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# Support for the PCA9632 LED driver ic
#
# Copyright (C) 2022 Ricardo Alcantara <ricardo@vulcanolabs.com>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
from .mcp4018 import SoftwareI2C
# Register addresses
PCA9632_MODE1 = 0x00
PCA9632_MODE2 = 0x01
PCA9632_PWM0 = 0x02
PCA9632_PWM1 = 0x03
PCA9632_PWM2 = 0x04
PCA9632_PWM3 = 0x05
PCA9632_LEDOUT = 0x08
LED_PWM = 0x02
PCA9632_RED = 0x00
PCA9632_GRN = 0x04
PCA9632_BLU = 0x02
PCA9632_WHT = 0x06
class PCA9632:
def __init__(self, config):
self.printer = config.get_printer()
self.i2c = SoftwareI2C(config, 98)
#i2c_addr = self.i2c.get_i2c_address()
name = config.get_name().split()[1]
self.gcode = self.printer.lookup_object('gcode')
self.gcode.register_mux_command("SET_LED","LED",name,self.set_led,
desc="Set the color of an LED")
self.led_red = config.getfloat("initial_RED",0.,0.,1.)
self.led_green = config.getfloat("initial_GREEN",0.,0.,1.)
self.led_blue = config.getfloat("initial_BLUE",0.,0.,1.)
self.led_white = config.getfloat("initial_WHITE",0.,0.,1.)
config.get_printer().register_event_handler("klippy:connect",
self.handle_connect)
def handle_connect(self):
self._init_PCA9632()
def _init_PCA9632(self):
#Configure MODE1
self.i2c.i2c_write([PCA9632_MODE1,0x00])
#Configure MODE2 (DIMMING, INVERT, CHANGE ON STOP,TOTEM)
self.i2c.i2c_write([PCA9632_MODE2,0x15])
self.led_red = int(self.led_red * 255.)
self.led_blue = int(self.led_blue * 255.)
self.led_green = int(self.led_green * 255.)
self.led_white = int(self.led_white * 255.)
self.i2c.i2c_write([PCA9632_PWM0,self.led_red])
self.i2c.i2c_write([PCA9632_PWM1,self.led_blue])
self.i2c.i2c_write([PCA9632_PWM2,self.led_green])
self.i2c.i2c_write([PCA9632_PWM3,self.led_white])
LEDOUT = (LED_PWM << PCA9632_RED if self.led_red else 0)
LEDOUT |= (LED_PWM << PCA9632_GRN if self.led_green else 0)
LEDOUT |= (LED_PWM << PCA9632_BLU if self.led_blue else 0)
LEDOUT |= (LED_PWM << PCA9632_WHT if self.led_white else 0)
self.i2c.i2c_write([PCA9632_LEDOUT,LEDOUT])
def set_led(self, gcmd):
self.led_red = gcmd.get_float("RED",self.led_red,0.,1.)
self.led_green = gcmd.get_float("GREEN",self.led_green,0.,1.)
self.led_blue = gcmd.get_float("BLUE",self.led_blue,0.,1.)
self.led_white = gcmd.get_float("WHITE",self.led_white,0.,1.)
self.led_red = int(self.led_red * 255.)
self.led_blue = int(self.led_blue * 255.)
self.led_green = int(self.led_green * 255.)
self.led_white = int(self.led_white * 255.)
self.i2c.i2c_write([PCA9632_PWM0,self.led_red])
self.i2c.i2c_write([PCA9632_PWM1,self.led_blue])
self.i2c.i2c_write([PCA9632_PWM2,self.led_green])
self.i2c.i2c_write([PCA9632_PWM3,self.led_white])
LEDOUT = (LED_PWM << PCA9632_RED if self.led_red else 0)
LEDOUT |= (LED_PWM << PCA9632_GRN if self.led_green else 0)
LEDOUT |= (LED_PWM << PCA9632_BLU if self.led_blue else 0)
LEDOUT |= (LED_PWM << PCA9632_WHT if self.led_white else 0)
self.i2c.i2c_write([PCA9632_LEDOUT,LEDOUT])
def load_config_prefix(config):
return PCA9632(config)
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