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mcu: Support a start value for soft pwm pins 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2019-05-29 11:55:45 -04:00
parent 3e1c42da80
commit f96239019a
1 changed files with 9 additions and 4 deletions
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13
klippy/mcu.py
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@ -337,10 +337,9 @@ class MCU_pwm:
self._set_cmd = self._mcu.lookup_command( self._set_cmd = self._mcu.lookup_command(
"schedule_pwm_out oid=%c clock=%u value=%hu", cq=cmd_queue) "schedule_pwm_out oid=%c clock=%u value=%hu", cq=cmd_queue)
else: else:
if (self._start_value not in [0., 1.] if self._shutdown_value not in [0., 1.]:
or self._shutdown_value not in [0., 1.]):
raise pins.error( raise pins.error(
"start and shutdown values must be 0.0 or 1.0 on soft pwm") "shutdown value must be 0.0 or 1.0 on soft pwm")
self._pwm_max = float(cycle_ticks) self._pwm_max = float(cycle_ticks)
if self._is_static: if self._is_static:
self._mcu.add_config_cmd("set_digital_out pin=%s value=%d" % ( self._mcu.add_config_cmd("set_digital_out pin=%s value=%d" % (
@ -351,8 +350,14 @@ class MCU_pwm:
"config_soft_pwm_out oid=%d pin=%s cycle_ticks=%d value=%d" "config_soft_pwm_out oid=%d pin=%s cycle_ticks=%d value=%d"
" default_value=%d max_duration=%d" % ( " default_value=%d max_duration=%d" % (
self._oid, self._pin, cycle_ticks, self._oid, self._pin, cycle_ticks,
self._start_value >= 0.5, self._shutdown_value >= 0.5, self._start_value >= 1.0, self._shutdown_value >= 0.5,
self._mcu.seconds_to_clock(self._max_duration))) self._mcu.seconds_to_clock(self._max_duration)))
if self._start_value not in [0., 1.]:
clock = self._mcu.get_query_slot(self._oid)
svalue = int(self._start_value * self._pwm_max + 0.5)
self._mcu.add_config_cmd(
"schedule_soft_pwm_out oid=%d clock=%d on_ticks=%d" % (
self._oid, clock, svalue))
self._set_cmd = self._mcu.lookup_command( self._set_cmd = self._mcu.lookup_command(
"schedule_soft_pwm_out oid=%c clock=%u on_ticks=%u", "schedule_soft_pwm_out oid=%c clock=%u on_ticks=%u",
cq=cmd_queue) cq=cmd_queue)