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sx1509: Relax restrictions on SX1509 pins (#836) 

This allows SX1509 pins to be used as temperature fans and heater fans. Heaters are still disallowed.

Signed-off-by: Florian Heilmann <Florian.Heilmann@gmx.net>
This commit is contained in:
Florian Heilmann 2018-10-30 23:08:12 +01:00 committed by KevinOConnor
parent 3328ade194
commit b98e12c19a
1 changed files with 6 additions and 6 deletions
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12
klippy/extras/sx1509.py
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@ -126,11 +126,11 @@ class SX1509_digital_out(object):
def setup_max_duration(self, max_duration): def setup_max_duration(self, max_duration):
self._max_duration = max_duration self._max_duration = max_duration
def setup_start_value(self, start_value, shutdown_value, is_static=False): def setup_start_value(self, start_value, shutdown_value, is_static=False):
if is_static or shutdown_value: if is_static and start_value != shutdown_value:
raise pins.error("SX1509 Pins should not be declared static or have a shutdown value") raise pins.error("Static pin can not have shutdown value")
self._start_value = (not not start_value) ^ self._invert self._start_value = (not not start_value) ^ self._invert
self._shutdown_value = self._invert self._shutdown_value = self._invert
self._is_static = False self._is_static = is_static
# We need to set the start value here so the register is # We need to set the start value here so the register is
# updated before the SX1509 class writes it. # updated before the SX1509 class writes it.
if self._start_value: if self._start_value:
@ -190,14 +190,14 @@ class SX1509_pwm(object):
self._cycle_time = cycle_time self._cycle_time = cycle_time
self._hardware_pwm = hardware_pwm self._hardware_pwm = hardware_pwm
def setup_start_value(self, start_value, shutdown_value, is_static=False): def setup_start_value(self, start_value, shutdown_value, is_static=False):
if is_static or shutdown_value: if is_static and start_value != shutdown_value:
raise pins.error("SX1509 Pins should not be declared static or have a shutdown value") raise pins.error("Static pin can not have shutdown value")
if self._invert: if self._invert:
start_value = 1. - start_value start_value = 1. - start_value
shutdown_value = 1. - shutdown_value shutdown_value = 1. - shutdown_value
self._start_value = max(0., min(1., start_value)) self._start_value = max(0., min(1., start_value))
self._shutdown_value = max(0., min(1., shutdown_value)) self._shutdown_value = max(0., min(1., shutdown_value))
self._is_static = False self._is_static = is_static
def set_pwm(self, print_time, value): def set_pwm(self, print_time, value):
self._sx1509.set_register(self._i_on_reg, ~int(255 * value) self._sx1509.set_register(self._i_on_reg, ~int(255 * value)
if not self._invert if not self._invert