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mcu: Allow both shutdown and startup values to be set for output pins 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2017-12-18 13:07:41 -05:00
parent e6e0a21b06
commit 68d03e4a3e
3 changed files with 27 additions and 20 deletions
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14
klippy/chipmisc.py
View File

@ -137,7 +137,7 @@ class pca9685_pwm:
self._max_duration = 2.
self._oid = None
self._invert = pin_params['invert']
self._shutdown_value = float(self._invert)
self._start_value = self._shutdown_value = float(self._invert)
self._last_clock = 0
self._pwm_max = 0.
self._cmd_queue = self._mcu.alloc_command_queue()
@ -156,10 +156,12 @@ class pca9685_pwm:
if self._invert:
value = 1. - value
self._static_value = max(0., min(1., value))
def setup_shutdown_value(self, value):
def setup_start_value(self, start_value, shutdown_value):
if self._invert:
value = 1. - value
self._shutdown_value = max(0., min(1., value))
start_value = 1. - start_value
shutdown_value = 1. - shutdown_value
self._start_value = max(0., min(1., start_value))
self._shutdown_value = max(0., min(1., shutdown_value))
if self._shutdown_value:
self._replicape.note_enable_on_shutdown()
def build_config(self):
@ -178,7 +180,7 @@ class pca9685_pwm:
"config_pca9685 oid=%d bus=%d addr=%d channel=%d cycle_ticks=%d"
" value=%d default_value=%d max_duration=%d" % (
self._oid, self._bus, self._address, self._channel, cycle_ticks,
self._invert * self._pwm_max,
self._start_value * self._pwm_max,
self._shutdown_value * self._pwm_max,
self._mcu.seconds_to_clock(self._max_duration)))
self._set_cmd = self._mcu.lookup_command(
@ -269,7 +271,7 @@ class Replicape:
REPLICAPE_SHIFT_REGISTER_BUS, REPLICAPE_SHIFT_REGISTER_DEVICE,
"".join(["%02x" % (x,) for x in shift_registers])))
def note_enable_on_shutdown(self):
self.mcu_enable.setup_shutdown_value(1)
self.mcu_enable.setup_start_value(0, 1)
def note_enable(self, print_time, channel, is_enable):
if is_enable:
is_off = not self.enabled_channels

2
klippy/fan.py
View File

@ -42,7 +42,7 @@ class PrinterHeaterFan:
max_power = self.fan.max_power
self.fan_speed = config.getfloat(
"fan_speed", max_power, minval=0., maxval=max_power)
self.fan.mcu_fan.setup_shutdown_value(max_power)
self.fan.mcu_fan.setup_start_value(0., max_power)
printer.reactor.register_timer(self.callback, printer.reactor.NOW)
def callback(self, eventtime):
current_temp, target_temp = self.heater.get_temp(eventtime)

31
klippy/mcu.py
View File

@ -227,9 +227,10 @@ class MCU_digital_out:
def __init__(self, mcu, pin_params):
self._mcu = mcu
self._oid = None
self._static_value = None
self._pin = pin_params['pin']
self._invert = self._shutdown_value = pin_params['invert']
self._invert = pin_params['invert']
self._start_value = self._shutdown_value = self._invert
self._static_value = None
self._max_duration = 2.
self._last_clock = 0
self._cmd_queue = mcu.alloc_command_queue()
@ -240,8 +241,9 @@ class MCU_digital_out:
self._max_duration = max_duration
def setup_static(self):
self._static_value = not self._invert
def setup_shutdown_value(self, value):
self._shutdown_value = (not not value) ^ self._invert
def setup_start_value(self, start_value, shutdown_value):
self._start_value = (not not start_value) ^ self._invert
self._shutdown_value = (not not shutdown_value) ^ self._invert
def build_config(self):
if self._static_value is not None:
self._mcu.add_config_cmd("set_digital_out pin=%s value=%d" % (
@ -272,10 +274,10 @@ class MCU_pwm:
self._cycle_time = 0.100
self._max_duration = 2.
self._oid = None
self._static_value = None
self._pin = pin_params['pin']
self._invert = pin_params['invert']
self._shutdown_value = float(self._invert)
self._start_value = self._shutdown_value = float(self._invert)
self._static_value = None
self._last_clock = 0
self._pwm_max = 0.
self._cmd_queue = mcu.alloc_command_queue()
@ -296,10 +298,12 @@ class MCU_pwm:
if self._invert:
value = 1. - value
self._static_value = max(0., min(1., value))
def setup_shutdown_value(self, value):
def setup_start_value(self, start_value, shutdown_value):
if self._invert:
value = 1. - value
self._shutdown_value = max(0., min(1., value))
start_value = 1. - start_value
shutdown_value = 1. - shutdown_value
self._start_value = max(0., min(1., start_value))
self._shutdown_value = max(0., min(1., shutdown_value))
def build_config(self):
if self._hard_pwm:
self._pwm_max = self._mcu.get_constant_float("PWM_MAX")
@ -314,7 +318,7 @@ class MCU_pwm:
"config_pwm_out oid=%d pin=%s cycle_ticks=%d value=%d"
" default_value=%d max_duration=%d" % (
self._oid, self._pin, self._cycle_time,
self._invert * self._pwm_max,
self._start_value * self._pwm_max,
self._shutdown_value * self._pwm_max,
self._mcu.seconds_to_clock(self._max_duration)))
self._set_cmd = self._mcu.lookup_command(
@ -328,16 +332,17 @@ class MCU_pwm:
self._mcu.add_config_cmd("set_digital_out pin=%s value=%d" % (
self._pin, self._static_value >= 0.5))
return
if self._shutdown_value not in [0., 1.]:
if (self._start_value not in [0., 1.]
or self._shutdown_value not in [0., 1.]):
raise pins.error(
"shutdown value must be 0.0 or 1.0 on soft pwm")
"start and shutdown values must be 0.0 or 1.0 on soft pwm")
self._oid = self._mcu.create_oid()
self._mcu.add_config_cmd(
"config_soft_pwm_out oid=%d pin=%s cycle_ticks=%d value=%d"
" default_value=%d max_duration=%d" % (
self._oid, self._pin,
self._mcu.seconds_to_clock(self._cycle_time),
self._invert, self._shutdown_value >= 0.5,
self._start_value >= 0.5, self._shutdown_value >= 0.5,
self._mcu.seconds_to_clock(self._max_duration)))
self._set_cmd = self._mcu.lookup_command(
"schedule_soft_pwm_out oid=%c clock=%u value=%hu")