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Adjust FAST_PWM_FAN

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MarlinFirmware/Marlin#23331
This commit is contained in:
Scott Lahteine 2021-12-23 00:31:14 -06:00
parent 1805bb3663
commit a24a1d791d
565 changed files with 5380 additions and 3309 deletions
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3
config/default/Configuration.h
View file

@ -2852,9 +2852,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/default/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/3DFabXYZ/Migbot/Configuration.h
View file

@ -2884,9 +2884,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/3DFabXYZ/Migbot/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/ADIMLab/Gantry v1/Configuration.h
View file

@ -2853,9 +2853,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/ADIMLab/Gantry v1/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/ADIMLab/Gantry v2/Configuration.h
View file

@ -2853,9 +2853,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/ADIMLab/Gantry v2/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Alfawise/U20-bltouch/Configuration.h
View file

@ -2947,9 +2947,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Alfawise/U20-bltouch/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 #define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Alfawise/U20/Configuration.h
View file

@ -2948,9 +2948,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Alfawise/U20/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 #define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/AliExpress/CL-260/Configuration.h
View file

@ -2852,9 +2852,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

3
config/examples/AliExpress/UM2pExt/Configuration.h
View file

@ -2853,9 +2853,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/AliExpress/UM2pExt/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Anet/A2/Configuration.h
View file

@ -2854,9 +2854,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Anet/A2/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Anet/A2plus/Configuration.h
View file

@ -2854,9 +2854,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Anet/A2plus/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Anet/A6/Configuration.h
View file

@ -2946,9 +2946,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Anet/A6/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Anet/A8/Configuration.h
View file

@ -2857,9 +2857,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Anet/A8/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Anet/A8plus/Configuration.h
View file

@ -2857,9 +2857,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Anet/A8plus/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Anet/A9/Configuration.h
View file

@ -2852,9 +2852,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Anet/A9/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Anet/E10/Configuration.h
View file

@ -2855,9 +2855,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Anet/E10/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Anet/E16/BTT SKR 1.3/Configuration.h
View file

@ -2854,9 +2854,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Anet/E16/BTT SKR 1.3/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Anet/E16/Stock/Configuration.h
View file

@ -2854,9 +2854,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Anet/E16/Stock/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Anet/ET4+/Configuration.h
View file

@ -2891,9 +2891,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Anet/ET4+/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Anet/ET4-Pro/Configuration.h
View file

@ -2891,9 +2891,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Anet/ET4-Pro/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Anet/ET4/Configuration.h
View file

@ -2891,9 +2891,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Anet/ET4/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Anet/ET4X/Configuration.h
View file

@ -2891,9 +2891,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Anet/ET4X/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Anet/ET5-Pro/Configuration.h
View file

@ -2886,9 +2886,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Anet/ET5-Pro/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Anet/ET5/Configuration.h
View file

@ -2886,9 +2886,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Anet/ET5/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Anet/ET5X/Configuration.h
View file

@ -2886,9 +2886,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Anet/ET5X/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/AnyCubic/Chiron/Configuration.h
View file

@ -2855,9 +2855,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/AnyCubic/Chiron/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/AnyCubic/Mega Zero 2.0/Anycubic V1/Configuration.h
View file

@ -2854,9 +2854,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/AnyCubic/Mega Zero 2.0/Anycubic V1/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/AnyCubic/Mega Zero/Anycubic V1/Configuration.h
View file

@ -2854,9 +2854,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/AnyCubic/Mega Zero/Anycubic V1/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/AnyCubic/Mega Zero/BigTreeTech SKR Mini MZ V1.0/Configuration.h
View file

@ -2852,9 +2852,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/AnyCubic/Mega Zero/BigTreeTech SKR Mini MZ V1.0/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/AnyCubic/i3 Mega/Configuration.h
View file

@ -2888,9 +2888,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/AnyCubic/i3 Mega/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/AnyCubic/i3/Configuration.h
View file

@ -2852,9 +2852,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/AnyCubic/i3/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/ArmEd/Configuration.h
View file

@ -2853,9 +2853,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/ArmEd/Configuration_adv.h
View file

@ -553,18 +553,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -574,9 +577,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Artillery/Genius/BLTouch/Configuration.h
View file

@ -2852,9 +2852,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Artillery/Genius/BLTouch/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Artillery/Genius/V1/Configuration.h
View file

@ -2852,9 +2852,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Artillery/Genius/V1/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Artillery/Hornet/Configuration.h
View file

@ -2852,9 +2852,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Artillery/Hornet/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Artillery/Sidewinder X1/0.9 BMG - E3D V6/Configuration.h
View file

@ -2868,9 +2868,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Artillery/Sidewinder X1/0.9 BMG - E3D V6/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Artillery/Sidewinder X1/V1/Configuration.h
View file

@ -2852,9 +2852,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Artillery/Sidewinder X1/V1/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Artillery/Sidewinder X2/Configuration.h
View file

@ -2852,9 +2852,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Artillery/Sidewinder X2/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Azteeg/X5GT/Configuration.h
View file

@ -2852,9 +2852,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Azteeg/X5GT/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/BIBO/TouchX/cyclops/Configuration.h
View file

@ -2852,9 +2852,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/BIBO/TouchX/cyclops/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/BIBO/TouchX/default/Configuration.h
View file

@ -2806,9 +2806,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/BIBO/TouchX/default/Configuration_adv.h
View file

@ -542,18 +542,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -563,9 +566,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/BIQU/B1 - SKR 1.4/Configuration.h
View file

@ -2873,9 +2873,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/BIQU/B1 - SKR 1.4/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/BIQU/B1 - SKR 2/Configuration.h
View file

@ -2873,9 +2873,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/BIQU/B1 - SKR 2/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/BIQU/B1 SE Plus/Configuration.h
View file

@ -2858,9 +2858,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/BIQU/B1 SE Plus/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/BIQU/BX/Configuration.h
View file

@ -2867,9 +2867,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/BIQU/BX/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/BQ/Hephestos/Configuration.h
View file

@ -2853,9 +2853,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/BQ/Hephestos/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/BQ/Hephestos_2/Configuration.h
View file

@ -2866,9 +2866,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/BQ/Hephestos_2/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/BQ/WITBOX/Configuration.h
View file

@ -2853,9 +2853,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/BQ/WITBOX/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/CTC/A13/Configuration.h
View file

@ -2854,9 +2854,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/CTC/A13/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/CTC/i3 2560 Rev A/no probe/Configuration.h
View file

@ -2853,9 +2853,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

3
config/examples/Cartesio/Configuration.h
View file

@ -2868,9 +2868,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

27
config/examples/Cartesio/Configuration_adv.h
View file

@ -549,18 +549,21 @@
//#define FAN_MAX_PWM 128 //#define FAN_MAX_PWM 128
/** /**
* FAST PWM FAN Settings * Fan Fast PWM
* *
* Use to change the FAST FAN PWM frequency (if enabled in Configuration.h) * Combinations of PWM Modes, prescale values and TOP resolutions are used internally
* Combinations of PWM Modes, prescale values and TOP resolutions are used internally to produce a * to produce a frequency as close as possible to the desired frequency.
* frequency as close as possible to the desired frequency.
* *
* FAST_PWM_FAN_FREQUENCY [undefined by default] * FAST_PWM_FAN_FREQUENCY
* Set this to your desired frequency. * Set this to your desired frequency.
* If left undefined this defaults to F = F_CPU/(2*255*1) * For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
* i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers. * i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
* These defaults are the same as with the old FAST_PWM_FAN implementation - no migration is required * For non AVR, if left undefined this defaults to F = 1Khz.
* This F value is only to protect the hardware from an absence of configuration
* and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
*
* NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior. * NOTE: Setting very low frequencies (< 10 Hz) may result in unexpected timer behavior.
* Setting very high frequencies can damage your hardware.
* *
* USE_OCR2A_AS_TOP [undefined by default] * USE_OCR2A_AS_TOP [undefined by default]
* Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2: * Boards that use TIMER2 for PWM have limitations resulting in only a few possible frequencies on TIMER2:
@ -570,9 +573,17 @@
* PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.) * PWM on pin OC2A. Only use this option if you don't need PWM on 0C2A. (Check your schematic.)
* USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies. * USE_OCR2A_AS_TOP sacrifices duty cycle control resolution to achieve this broader range of frequencies.
*/ */
//#define FAST_PWM_FAN // Increase the fan PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
#if ENABLED(FAST_PWM_FAN) #if ENABLED(FAST_PWM_FAN)
//#define FAST_PWM_FAN_FREQUENCY 31400 //#define FAST_PWM_FAN_FREQUENCY 31400 // Define here to override the defaults below
//#define USE_OCR2A_AS_TOP //#define USE_OCR2A_AS_TOP
#ifndef FAST_PWM_FAN_FREQUENCY
#ifdef __AVR__
#define FAST_PWM_FAN_FREQUENCY ((F_CPU) / (2 * 255 * 1))
#else
#define FAST_PWM_FAN_FREQUENCY 1000U
#endif
#endif
#endif #endif
/** /**

3
config/examples/Copymaster3D/300/Configuration.h
View file

@ -2853,9 +2853,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

3
config/examples/Copymaster3D/400/Configuration.h
View file

@ -2852,9 +2852,6 @@
// :[1,2,3,4,5,6,7,8] // :[1,2,3,4,5,6,7,8]
//#define NUM_M106_FANS 1 //#define NUM_M106_FANS 1
// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
//#define FAST_PWM_FAN
// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
// which is not as annoying as with the hardware PWM. On the other hand, if this frequency // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
// is too low, you should also increment SOFT_PWM_SCALE. // is too low, you should also increment SOFT_PWM_SCALE.

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