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Kconfig: Add new WANT_ADC option to reduce code size

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Make it possible to not compile in support for ADC on chips with small
flash sizes.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2025-04-09 12:52:11 -04:00
parent 04e7eb20fd
commit 8c67adc164
8 changed files with 28 additions and 18 deletions
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7
src/Kconfig
View file

@ -88,6 +88,10 @@ config USB_SERIAL_NUMBER
endmenu
# Optional features that can be disabled (for devices with small flash sizes)
config WANT_ADC
bool
depends on HAVE_GPIO_ADC
default y
config WANT_SPI
bool
depends on HAVE_GPIO && HAVE_GPIO_SPI
@ -175,6 +179,9 @@ config NEED_SENSOR_BULK
default y
menu "Optional features (to reduce code size)"
depends on HAVE_LIMITED_CODE_SIZE
config WANT_ADC
bool "Support micro-controller based ADC (analog to digital)"
depends on HAVE_GPIO_ADC
config WANT_SPI
bool "Support communicating with external chips via SPI bus"
depends on HAVE_GPIO && HAVE_GPIO_SPI

2
src/Makefile
View file

@ -3,7 +3,7 @@
src-y += sched.c command.c basecmd.c debugcmds.c
src-$(CONFIG_HAVE_GPIO) += initial_pins.c gpiocmds.c stepper.c endstop.c \
trsync.c
src-$(CONFIG_HAVE_GPIO_ADC) += adccmds.c
src-$(CONFIG_WANT_ADC) += adccmds.c
src-$(CONFIG_WANT_SPI) += spicmds.c
src-$(CONFIG_WANT_I2C) += i2ccmds.c
src-$(CONFIG_WANT_HARD_PWM) += pwmcmds.c

4
src/atsamd/Makefile
View file

@ -27,9 +27,9 @@ canbus-src-y := generic/canserial.c ../lib/fast-hash/fasthash.c
canbus-src-y += atsamd/fdcan.c atsamd/chipid.c
src-$(CONFIG_USBCANBUS) += $(canbus-src-y) atsamd/usbserial.c generic/usb_canbus.c
src-$(CONFIG_CANSERIAL) += $(canbus-src-y) generic/canbus.c
src-$(CONFIG_HAVE_GPIO_ADC) += atsamd/adc.c
src-$(CONFIG_WANT_I2C) += atsamd/i2c.c
src-$(CONFIG_WANT_ADC) += atsamd/adc.c
src-$(CONFIG_WANT_SPI) += atsamd/spi.c
src-$(CONFIG_WANT_I2C) += atsamd/i2c.c
src-$(CONFIG_HAVE_SERCOM) += atsamd/sercom.c
src-$(CONFIG_WANT_HARD_PWM) += atsamd/hard_pwm.c
src-$(CONFIG_MACH_SAMC21) += atsamd/samd51_watchdog.c

2
src/avr/Makefile
View file

@ -11,7 +11,7 @@ CFLAGS += $(CFLAGS-y) -mmcu=$(CONFIG_MCU)
# Add avr source files
src-y += avr/main.c avr/timer.c
src-$(CONFIG_HAVE_GPIO) += avr/gpio.c
src-$(CONFIG_HAVE_GPIO_ADC) += avr/adc.c
src-$(CONFIG_WANT_ADC) += avr/adc.c
src-$(CONFIG_WANT_SPI) += avr/spi.c
src-$(CONFIG_WANT_I2C) += avr/i2c.c
src-$(CONFIG_WANT_HARD_PWM) += avr/hard_pwm.c

2
src/hc32f460/Makefile
View file

@ -22,7 +22,7 @@ src-y += ../lib/hc32f460/driver/src/hc32f460_sram.c
src-y += ../lib/hc32f460/driver/src/hc32f460_utility.c
src-y += ../lib/hc32f460/driver/src/hc32f460_gpio.c
src-y += ../lib/hc32f460/driver/src/hc32f460_pwc.c
src-$(CONFIG_HAVE_GPIO_ADC) += hc32f460/adc.c ../lib/hc32f460/driver/src/hc32f460_adc.c
src-$(CONFIG_WANT_ADC) += hc32f460/adc.c ../lib/hc32f460/driver/src/hc32f460_adc.c
src-$(CONFIG_SERIAL) += hc32f460/serial.c generic/serial_irq.c ../lib/hc32f460/driver/src/hc32f460_usart.c
src-$(CONFIG_WANT_HARD_PWM) += hc32f460/hard_pwm.c ../lib/hc32f460/driver/src/hc32f460_timera.c
src-y += generic/armcm_boot.c generic/armcm_irq.c generic/armcm_timer.c

4
src/lpc176x/Makefile
View file

@ -16,9 +16,9 @@ src-y += lpc176x/main.c lpc176x/gpio.c
src-y += generic/armcm_boot.c generic/armcm_irq.c generic/armcm_timer.c
src-y += generic/armcm_reset.c generic/crc16_ccitt.c
src-y += ../lib/lpc176x/device/system_LPC17xx.c
src-$(CONFIG_HAVE_GPIO_ADC) += lpc176x/adc.c
src-$(CONFIG_WANT_I2C) += lpc176x/i2c.c
src-$(CONFIG_WANT_ADC) += lpc176x/adc.c
src-$(CONFIG_WANT_SPI) += lpc176x/spi.c
src-$(CONFIG_WANT_I2C) += lpc176x/i2c.c
src-$(CONFIG_USBSERIAL) += lpc176x/usbserial.c lpc176x/chipid.c
src-$(CONFIG_USBSERIAL) += generic/usb_cdc.c
src-$(CONFIG_SERIAL) += lpc176x/serial.c generic/serial_irq.c

2
src/pru/Makefile
View file

@ -17,7 +17,7 @@ CFLAGS_pru1.elf := $(CFLAGS)
# Add source files
src-y += pru/main.c pru/gpio.c generic/timer_irq.c
src-$(CONFIG_HAVE_GPIO_ADC) += pru/adc.c
src-$(CONFIG_WANT_ADC) += pru/adc.c
pru0-y := pru/pru0.c generic/crc16_ccitt.c command.c
pru0-y += ../lib/pru_rpmsg/pru_rpmsg.c ../lib/pru_rpmsg/pru_virtqueue.c

23
src/stm32/Makefile
View file

@ -43,34 +43,37 @@ src-y += generic/armcm_boot.c generic/armcm_irq.c generic/armcm_reset.c
src-$(CONFIG_MACH_STM32F0) += ../lib/stm32f0/system_stm32f0xx.c
src-$(CONFIG_MACH_STM32F0) += generic/timer_irq.c stm32/stm32f0_timer.c
src-$(CONFIG_MACH_STM32F0) += stm32/stm32f0.c stm32/gpioperiph.c
src-$(CONFIG_MACH_STM32F0) += stm32/stm32f0_adc.c
src-$(CONFIG_MACH_STM32F103) += ../lib/stm32f1/system_stm32f1xx.c
src-$(CONFIG_MACH_STM32F103) += stm32/adc.c
src-$(CONFIG_MACH_N32G45x) += ../lib/stm32f1/system_stm32f1xx.c
src-$(CONFIG_MACH_N32G45x) += ../lib/n32g45x/n32g45x_adc.c stm32/n32g45x_adc.c
src-$(CONFIG_MACH_STM32F1) += stm32/stm32f1.c generic/armcm_timer.c
src-$(CONFIG_MACH_STM32F2) += ../lib/stm32f2/system_stm32f2xx.c
src-$(CONFIG_MACH_STM32F2) += stm32/stm32f4.c generic/armcm_timer.c
src-$(CONFIG_MACH_STM32F2) += stm32/gpioperiph.c stm32/adc.c
src-$(CONFIG_MACH_STM32F2) += stm32/gpioperiph.c
src-$(CONFIG_MACH_STM32F4) += ../lib/stm32f4/system_stm32f4xx.c
src-$(CONFIG_MACH_STM32F4) += stm32/stm32f4.c generic/armcm_timer.c
src-$(CONFIG_MACH_STM32F4) += stm32/gpioperiph.c stm32/adc.c
src-$(CONFIG_MACH_STM32F4) += stm32/gpioperiph.c
src-$(CONFIG_MACH_STM32F7) += ../lib/stm32f7/system_stm32f7xx.c
src-$(CONFIG_MACH_STM32F7) += stm32/stm32f7.c generic/armcm_timer.c
src-$(CONFIG_MACH_STM32F7) += stm32/gpioperiph.c stm32/adc.c
src-$(CONFIG_MACH_STM32F7) += stm32/gpioperiph.c
src-$(CONFIG_MACH_STM32G0) += generic/timer_irq.c stm32/stm32f0_timer.c
src-$(CONFIG_MACH_STM32G0) += stm32/stm32g0.c stm32/gpioperiph.c
src-$(CONFIG_MACH_STM32G0) += stm32/stm32f0_adc.c
src-$(CONFIG_MACH_STM32G4) += ../lib/stm32g4/system_stm32g4xx.c
src-$(CONFIG_MACH_STM32G4) += stm32/stm32g4.c generic/armcm_timer.c
src-$(CONFIG_MACH_STM32G4) += stm32/gpioperiph.c stm32/stm32h7_adc.c
src-$(CONFIG_MACH_STM32G4) += stm32/gpioperiph.c
src-$(CONFIG_MACH_STM32H7) += ../lib/stm32h7/system_stm32h7xx.c
src-$(CONFIG_MACH_STM32H7) += stm32/stm32h7.c generic/armcm_timer.c
src-$(CONFIG_MACH_STM32H7) += stm32/gpioperiph.c stm32/stm32h7_adc.c
src-$(CONFIG_MACH_STM32H7) += stm32/gpioperiph.c
src-$(CONFIG_MACH_STM32L4) += ../lib/stm32l4/system_stm32l4xx.c
src-$(CONFIG_MACH_STM32L4) += stm32/stm32l4.c generic/armcm_timer.c
src-$(CONFIG_MACH_STM32L4) += stm32/gpioperiph.c
src-$(CONFIG_MACH_STM32L4) += stm32/stm32h7_adc.c
adc-src-y := stm32/adc.c
adc-src-$(CONFIG_MACH_STM32F0) := stm32/stm32f0_adc.c
adc-src-$(CONFIG_MACH_N32G45x) := ../lib/n32g45x/n32g45x_adc.c stm32/n32g45x_adc.c
adc-src-$(CONFIG_MACH_STM32G0) := stm32/stm32f0_adc.c
adc-src-$(CONFIG_MACH_STM32G4) := stm32/stm32h7_adc.c
adc-src-$(CONFIG_MACH_STM32H7) := stm32/stm32h7_adc.c
adc-src-$(CONFIG_MACH_STM32L4) := stm32/stm32h7_adc.c
src-$(CONFIG_WANT_ADC) += $(adc-src-y)
spi-src-y := stm32/spi.c
spi-src-$(CONFIG_MACH_STM32H7) := stm32/stm32h7_spi.c
src-$(CONFIG_WANT_SPI) += $(spi-src-y)