neopixel: Add support for daisy-chained chips
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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@ -1656,6 +1656,10 @@
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#pin:
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# The pin connected to the neopixel. This parameter must be
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# provided.
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#chain_count:
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# The number of Neopixel chips that are "daisy chained" to the
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# provided pin. The default is 1 (which indices only a single
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# Neopixel is connected to the pin).
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#initial_RED: 0.0
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#initial_GREEN: 0.0
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#initial_BLUE: 0.0
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@ -195,9 +195,13 @@ is enabled:
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The following command is available when a "neopixel" config section
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is enabled:
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- `SET_NEOPIXEL NEOPIXEL=<config_name> RED=<value> GREEN=<value>
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BLUE=<value>`: This sets the neopixel LED output. Each <value> must
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be between 0.0 and 1.0.
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- `SET_NEOPIXEL NEOPIXEL=<config_name> INDEX=<index> RED=<value>
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GREEN=<value> BLUE=<value>`: This sets the Neopixel LED output. Each
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color <value> must be between 0.0 and 1.0. If multiple Neopixel
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chips are daisy-chained then one may specify INDEX to alter the
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color of just the given Neopixel chip (1 for the first Neopixel, 2
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for the second, etc.). If INDEX is not provided then all Neopixels
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in the daisy-chain will be set to the provided color.
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## Servo Commands
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@ -16,6 +16,7 @@ class PrinterNeoPixel:
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self.mcu.add_config_cmd("config_neopixel oid=%d pin=%s"
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% (self.oid, pin_params['pin']))
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self.mcu.register_config_callback(self.build_config)
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self.chain_count = config.getint('chain_count', 1, minval=1, maxval=18)
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self.neopixel_send_cmd = None
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# Initial color
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red = config.getfloat('initial_RED', 0., minval=0., maxval=1.)
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@ -24,7 +25,7 @@ class PrinterNeoPixel:
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red = int(red * 255. + .5)
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blue = int(blue * 255. + .5)
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green = int(green * 255. + .5)
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self.color_data = [green, red, blue]
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self.color_data = [green, red, blue] * self.chain_count
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self.printer.register_event_handler("klippy:connect", self.send_data)
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# Register commands
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self.gcode = self.printer.lookup_object('gcode')
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@ -50,7 +51,13 @@ class PrinterNeoPixel:
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red = int(red * 255. + .5)
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blue = int(blue * 255. + .5)
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green = int(green * 255. + .5)
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self.color_data = [green, red, blue]
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color_data = [green, red, blue]
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if 'INDEX' in params:
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index = self.gcode.get_int('INDEX', params,
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minval=1, maxval=self.chain_count)
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self.color_data[(index-1)*3:index*3] = color_data
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else:
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self.color_data = color_data * self.chain_count
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# Send command
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print_time = self.printer.lookup_object('toolhead').get_last_move_time()
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self.send_data(self.mcu.print_time_to_clock(print_time))
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