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Minor tweaks for PCA9685 module

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Signed-off-by: Maja Stanislawska <maja@makershop.ie>
This commit is contained in:
Maja Stanislawska 2025-08-07 16:24:27 +01:00
parent d98ed081ff
commit 39d63c6909
1 changed files with 6 additions and 5 deletions
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11
klippy/extras/pca9685.py
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@ -15,6 +15,7 @@ MAX_NOMINAL_DURATION = 3.0
class PCA9685Controller:
def __init__(self, config):
self._printer = config.get_printer()
self.toolhead = None #set up in _handle_connect
self._reactor = self._printer.get_reactor()
self.name = config.get_name().split()[-1]
self._i2c_addr = config.getint(
@ -28,8 +29,8 @@ class PCA9685Controller:
self._i2c = bus.MCU_I2C_from_config(config, self._i2c_addr)
self._mcu = self._i2c.get_mcu()
self._printer.add_object(self.name, self)
self._ppins = self._printer.lookup_object("pins")
self._ppins.register_chip(self.name, self)
_ppins = self._printer.lookup_object("pins")
_ppins.register_chip(self.name, self)
self._pins = {}
self._flush_callbacks = []
self._printer.register_event_handler(
@ -94,14 +95,14 @@ class PCA9685Controller:
off_time & 0xFF, # LEDn_OFF_L
(off_time >> 8) & 0x0F # LEDn_OFF_H
]
self._i2c.i2c_write_wait_ack(data)
self._i2c.i2c_write(data)
def _set_digital(self, channel, value):
base_reg = 0x06 + (4 * channel)
if value: # Fully on: LEDn_ON_H bit 4 (0x10)
self._i2c.i2c_write_wait_ack([base_reg, 0x00, 0x10, 0x00, 0x00])
self._i2c.i2c_write([base_reg, 0x00, 0x10, 0x00, 0x00])
else: # Fully off: LEDn_OFF_H bit 4 (0x10)
self._i2c.i2c_write_wait_ack([base_reg, 0x00, 0x00, 0x00, 0x10])
self._i2c.i2c_write([base_reg, 0x00, 0x00, 0x00, 0x10])
def print_time_to_clock(self, print_time):
return self._mcu.print_time_to_clock(print_time)