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| -rw-r--r-- | docs/Config_Reference.md | 20 | ||||
| -rw-r--r-- | klippy/extras/pca9632.py | 91 |
2 files changed, 111 insertions, 0 deletions
diff --git a/docs/Config_Reference.md b/docs/Config_Reference.md index 66205fc3..fc92c013 100644 --- a/docs/Config_Reference.md +++ b/docs/Config_Reference.md @@ -2611,6 +2611,26 @@ PCA9533 LED support. The PCA9533 is used on the mightyboard. # Use GCODE to modify led values after startup. # set_led led=my_pca9533 red=1 green=1 blue=1 ``` +### [PCA9632] + +PCA9632 LED support. The PCA9632 is used on the FlashForge Dreamer. + +``` +[pca9632 my_pca9632] +scl_pin: +# The SCL "clock" pin. This parameter must be provided. +sda_pin: +# The SDA "data" pin. This parameter must be provided. +#initial_RED: 0 +#initial_GREEN: 0 +#initial_BLUE: 0 +#initial_WHITE: 0 +# PCA9632 supports individual LED PWM. +# Values range from 0.0 to 1.0. The default is 0.0. +# On the FlashForge Dreamer, the white led is not populated. +# Use GCODE to modify led values after startup. +# set_led led=my_pca9632 red=1.0 green=1.0 blue=1.0 white=0.0 +``` ### [gcode_button] diff --git a/klippy/extras/pca9632.py b/klippy/extras/pca9632.py new file mode 100644 index 00000000..a3f533da --- /dev/null +++ b/klippy/extras/pca9632.py @@ -0,0 +1,91 @@ +# 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) |