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mcu: Add support for changing cycle_time in set_pwm()

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Signed-off-by: Guy Shapira <gayuha@gmail.com>
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2020-09-26 20:52:42 -04:00
parent 27cefb2b38
commit 55e20f2c19
6 changed files with 26 additions and 15 deletions
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18
klippy/extras/output_pin.py
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@ -17,11 +17,12 @@ class PrinterOutputPin:
hardware_pwm = config.getboolean('hardware_pwm', False)
self.mcu_pin.setup_cycle_time(cycle_time, hardware_pwm)
self.scale = config.getfloat('scale', 1., above=0.)
self.last_cycle_time = self.default_cycle_time = cycle_time
else:
self.mcu_pin = ppins.setup_pin('digital_out', config.get('pin'))
self.scale = 1.
self.mcu_pin.setup_max_duration(0.)
self.last_value_time = 0.
self.last_print_time = 0.
static_value = config.getfloat('static_value', None,
minval=0., maxval=self.scale)
if static_value is not None:
@ -45,18 +46,23 @@ class PrinterOutputPin:
def cmd_SET_PIN(self, gcmd):
value = gcmd.get_float('VALUE', minval=0., maxval=self.scale)
value /= self.scale
if value == self.last_value:
return
print_time = self.printer.lookup_object('toolhead').get_last_move_time()
print_time = max(print_time, self.last_value_time + PIN_MIN_TIME)
print_time = max(print_time, self.last_print_time + PIN_MIN_TIME)
if self.is_pwm:
self.mcu_pin.set_pwm(print_time, value)
cycle_time = gcmd.get_float('CYCLE_TIME', self.default_cycle_time,
above=0.)
if value == self.last_value and cycle_time == self.last_cycle_time:
return
self.mcu_pin.set_pwm(print_time, value, cycle_time)
self.last_cycle_time = cycle_time
else:
if value == self.last_value:
return
if value not in [0., 1.]:
raise gcmd.error("Invalid pin value")
self.mcu_pin.set_digital(print_time, value)
self.last_value = value
self.last_value_time = print_time
self.last_print_time = print_time
def load_config_prefix(config):
return PrinterOutputPin(config)