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# 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, led
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)
self.led_helper = led.LEDHelper(config, self.update_leds, 1)
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 * 4.0)] 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)
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