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mcu: Convert PWM and ADC objects to take mcu_time instead of clock

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Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2016-08-24 15:16:02 -04:00
parent 5a24ab06d8
commit 11ecac626d
3 changed files with 85 additions and 96 deletions
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24
klippy/fan.py
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@ -11,29 +11,25 @@ class PrinterFan:
self.printer = printer
self.config = config
self.mcu_fan = None
self.last_fan_clock = self.last_fan_value = 0
self.min_fan_clock = 0
self.kick_start_clock = 0
self.last_fan_value = 0
self.last_fan_time = 0.
self.kick_start_time = config.getfloat('kick_start_time', 0.1)
def build_config(self):
pin = self.config.get('pin')
hard_pwm = self.config.getint('hard_pwm', 128)
mcu_freq = self.printer.mcu.get_mcu_freq()
self.min_fan_clock = int(FAN_MIN_TIME * mcu_freq)
kst = self.config.getfloat('kick_start_time', 0.1)
self.kick_start_clock = int(kst * mcu_freq)
self.mcu_fan = self.printer.mcu.create_pwm(pin, hard_pwm, 0)
# External commands
def set_speed(self, print_time, value):
value = max(0, min(255, int(value*255. + 0.5)))
if value == self.last_fan_value:
return
pc = int(self.mcu_fan.get_print_clock(print_time))
pc = max(self.last_fan_clock + self.min_fan_clock, pc)
mcu_time = self.mcu_fan.print_to_mcu_time(print_time)
mcu_time = max(self.last_fan_time + FAN_MIN_TIME, mcu_time)
if (value and value < 255
and not self.last_fan_value and self.kick_start_clock):
and not self.last_fan_value and self.kick_start_time):
# Run fan at full speed for specified kick_start_time
self.mcu_fan.set_pwm(pc, 255)
pc += self.kick_start_clock
self.mcu_fan.set_pwm(pc, value)
self.last_fan_clock = pc
self.mcu_fan.set_pwm(mcu_time, 255)
mcu_time += self.kick_start_time
self.mcu_fan.set_pwm(mcu_time, value)
self.last_fan_time = mcu_time
self.last_fan_value = value