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