mirror of https://github.com/Desuuuu/klipper.git
38 lines
1.4 KiB
Python
38 lines
1.4 KiB
Python
# Support for the PCA9533 LED driver ic
|
|
#
|
|
# Copyright (C) 2021 Marc-Andre Denis <marcadenis@msn.com>
|
|
#
|
|
# This file may be distributed under the terms of the GNU GPLv3 license.
|
|
import logging
|
|
from . import bus
|
|
|
|
BACKGROUND_PRIORITY_CLOCK = 0x7fffffff00000000
|
|
|
|
PCA9533_PWM0=0b010
|
|
PCA9533_PWM1=0b100
|
|
PCA9533_PLS0=0b101
|
|
|
|
class PCA9533:
|
|
def __init__(self, config):
|
|
self.printer = config.get_printer()
|
|
self.i2c = bus.MCU_I2C_from_config(config, default_addr=98)
|
|
pled = self.printer.load_object(config, "led")
|
|
self.led_helper = pled.setup_helper(config, self.update_leds, 1, True)
|
|
self.i2c.i2c_write([PCA9533_PWM0, 85])
|
|
self.i2c.i2c_write([PCA9533_PWM1, 170])
|
|
self.update_leds(self.led_helper.get_status()['color_data'], None)
|
|
def update_leds(self, led_state, print_time):
|
|
rmap = [0, 2, 3, 1, 1]
|
|
red, green, blue, white = [rmap[int(v * 4.)] for v in led_state[0]]
|
|
ls0 = (white<<6) | (blue<<4) | (green<<2) | red
|
|
minclock = 0
|
|
if print_time is not None:
|
|
minclock = self.i2c.get_mcu().print_time_to_clock(print_time)
|
|
self.i2c.i2c_write([PCA9533_PLS0, ls0], minclock=minclock,
|
|
reqclock=BACKGROUND_PRIORITY_CLOCK)
|
|
def get_status(self, eventtime):
|
|
return self.led_helper.get_status(eventtime)
|
|
|
|
def load_config_prefix(config):
|
|
return PCA9533(config)
|