diff options
| -rw-r--r-- | config/generic-mightyboard.cfg | 8 | ||||
| -rw-r--r-- | docs/Config_Reference.md | 22 | ||||
| -rw-r--r-- | klippy/extras/pca9533.py | 53 |
3 files changed, 83 insertions, 0 deletions
diff --git a/config/generic-mightyboard.cfg b/config/generic-mightyboard.cfg index 9a784566..85dbe54d 100644 --- a/config/generic-mightyboard.cfg +++ b/config/generic-mightyboard.cfg @@ -130,3 +130,11 @@ click_pin: ^PJ0 back_pin: ^PJ2 up_pin: ^PJ4 down_pin: ^PJ3 + +[pca9533 led_strip] +#set_led led=led_strip red=1 green=1 blue=1 +i2c_bus: twi +i2c_address: 98 +initial_RED: 1 +initial_GREEN: 1 +initial_BLUE: 1 diff --git a/docs/Config_Reference.md b/docs/Config_Reference.md index 17c9d6e2..9c9755ff 100644 --- a/docs/Config_Reference.md +++ b/docs/Config_Reference.md @@ -2471,6 +2471,28 @@ clock_pin: #initial_BLUE: 0.0 # See the "neopixel" section for information on these parameters. ``` +## [PCA9533] +PCA9533 LED support. The PCA9533 is used on the mightyboard. + +``` +[pca9533 my_pca9533] +#i2c_address: 98 +# The i2c address that the chip is using on the i2c bus. The default +# is 98 for the PCA9533/1, 99 for the PCA9533/2. +#i2c_mcu: +#i2c_bus: +#i2c_speed: +# See the "common I2C settings" section for a description of the +# above parameters. +#initial_RED: 1 +#initial_GREEN: 1 +#initial_BLUE: 1 +#initial_WHITE: 1 +# The PCA9533 only supports 1 or 0, any other values will be considered as 1. The default is 0. +# On the mightyboard, the white led is not populated. +# Use GCODE to modify led values after startup. +# set_led led=my_pca9533 red=1 green=1 blue=1 +``` ## [gcode_button] diff --git a/klippy/extras/pca9533.py b/klippy/extras/pca9533.py new file mode 100644 index 00000000..bff826d6 --- /dev/null +++ b/klippy/extras/pca9533.py @@ -0,0 +1,53 @@ +# 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 + +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) + #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.led0 = config.getint("initial_RED",0,0,1) + self.led1 = config.getint("initial_GREEN",0,0,1) + self.led2 = config.getint("initial_BLUE",0,0,1) + self.led3 = config.getint("initial_WHITE",0,0,1) + + ls0 = (self.led3<<6) | (self.led2<<4) | (self.led1<<2) | (self.led0) + + self.i2c.i2c_write([PCA9533_PLS0,ls0]) + def set_led(self, gcmd): + if gcmd.get_float("RED",self.led0,0,1) != 0: + self.led0 = 1 + else: + self.led0 = 0 + if gcmd.get_float("GREEN",self.led1,0,1) != 0: + self.led1 = 1 + else: + self.led1 = 0 + if gcmd.get_float("BLUE",self.led2,0,1) != 0: + self.led2 = 1 + else: + self.led2 = 0 + if gcmd.get_float("WHITE",self.led3,0,1) != 0: + self.led3 = 1 + else: + self.led3 = 0 + ls0 = (self.led3<<6) | (self.led2<<4) | (self.led1<<2) | (self.led0) + + self.i2c.i2c_write([PCA9533_PLS0,ls0]) + + +def load_config_prefix(config): + return PCA9533(config) |