add neopixel support
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parent
979f2d3869
commit
d685c92794
5 changed files with 181 additions and 2 deletions
10
macros.cfg
10
macros.cfg
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@ -6,6 +6,7 @@ gcode:
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M117 start heating
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M140 S{BED_TEMP} # start bed heating
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M104 S{EXTRUDER_TEMP} # start extruder heating
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NEOPIXEL_ON COLOR=green # set neopixel green
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G92 E0 # reset extruder
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G21 # set units to millimeters
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G90 # use absolute coordinates
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@ -14,11 +15,14 @@ gcode:
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M117 home
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G28 # home the printer
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G1 Z5 F3000 # move the nozzle near the bed
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G1 Z0.15 F300 # move the nozzle very close to the bed
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G1 Z0.25 F300 # move the nozzle very close to the bed
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M117 wait for heating
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NEOPIXEL_ON COLOR=red # set neopixel red
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G92 E0 # reset extruder
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M190 S{BED_TEMP} # set and wait for bed temperature
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M109 S{EXTRUDER_TEMP} # set and wait for nozzle temperature
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# clean nozzle
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NEOPIXEL_ON COLOR=blue # set neopixel blue
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M117 clean nozzle
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G0 Z5 F300 # move Z to travel height
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G0 X40 Y0 F5000 # move to start position
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@ -26,7 +30,8 @@ gcode:
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G0 X150 Y0 Z0.2 E10 # draw line
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G0 X150 Y0.8 Z0.2 # move to the side little
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G0 X30 Y0.8 Z0.2 E5 # draw fine line
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G0 Z5 F300 # move Z to travel height
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# G0 Z5 F300 # move Z to travel height
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NEOPIXEL_ON COLOR=white # set neopixel white
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M117 starting
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[gcode_macro END_PRINT]
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@ -41,6 +46,7 @@ gcode:
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G1 Z10 F3000 # Raise nozzle by 10mm
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G90 # Use absolute coordinates
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M84 # Disable steppers
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NEOPIXEL_OFF # Turn off NeoPixel
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[gcode_macro PREHEAT]
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description: set bed and extruder temperature
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62
neopixel.cfg
Normal file
62
neopixel.cfg
Normal file
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@ -0,0 +1,62 @@
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## direct control of neopixel is not working on RPI
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# [neopixel pixel]
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# pin: rpi:gpio18
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# chain_count: 4
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# color_order: GRB
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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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# # initial_WHITE: 0.0
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# [gcode_macro NEOPIXEL]
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# description: control neopixel
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# gcode:
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# {% set R = params.R|default(0) %}
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# {% set G = params.G|default(0) %}
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# {% set B = params.B|default(0) %}
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# SET_LED LED=pixel RED={R} GREEN={G} BLUE={B}
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## run script instead
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[gcode_macro NEOPIXEL_ON]
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description: turn neopixel on
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gcode:
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{% set COLOR = params.COLOR|default("white") %}
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{% if COLOR == "white" %}
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RUN_SHELL_COMMAND CMD=neopixel_white
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{% elif COLOR == "red" %}
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RUN_SHELL_COMMAND CMD=neopixel_red
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{% elif COLOR == "green" %}
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RUN_SHELL_COMMAND CMD=neopixel_green
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{% elif COLOR == "blue" %}
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RUN_SHELL_COMMAND CMD=neopixel_blue
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{% endif %}
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[gcode_macro NEOPIXEL_OFF]
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description: turn neopixel off
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gcode:
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RUN_SHELL_COMMAND CMD=neopixel_off
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[gcode_shell_command neopixel_white]
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command: sudo /home/pi/klipper_config/scripts/pixel.py 255
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timeout: 3
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verbose: False
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[gcode_shell_command neopixel_red]
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command: sudo /home/pi/klipper_config/scripts/pixel.py 255 0 0
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timeout: 3
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verbose: False
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[gcode_shell_command neopixel_green]
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command: sudo /home/pi/klipper_config/scripts/pixel.py 0 255 0
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timeout: 3
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verbose: False
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[gcode_shell_command neopixel_blue]
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command: sudo /home/pi/klipper_config/scripts/pixel.py 0 0 255
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timeout: 3
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verbose: False
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[gcode_shell_command neopixel_off]
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command: sudo /home/pi/klipper_config/scripts/pixel.py 0
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timeout: 3
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verbose: False
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@ -18,6 +18,9 @@ max_z_accel: 400
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[virtual_sdcard]
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path: ~/gcode_files
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## neopixel
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[include neopixel.cfg]
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## macros
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[include macros.cfg]
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83
scripts/gcode_shell_command.py
Executable file
83
scripts/gcode_shell_command.py
Executable file
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@ -0,0 +1,83 @@
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# Run a shell command via gcode
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#
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# Copyright (C) 2019 Eric Callahan <arksine.code@gmail.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 os
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import shlex
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import subprocess
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import logging
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class ShellCommand:
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def __init__(self, config):
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self.name = config.get_name().split()[-1]
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self.printer = config.get_printer()
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self.gcode = self.printer.lookup_object('gcode')
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cmd = config.get('command')
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cmd = os.path.expanduser(cmd)
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self.command = shlex.split(cmd)
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self.timeout = config.getfloat('timeout', 2., above=0.)
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self.verbose = config.getboolean('verbose', True)
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self.proc_fd = None
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self.partial_output = ""
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self.gcode.register_mux_command(
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"RUN_SHELL_COMMAND", "CMD", self.name,
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self.cmd_RUN_SHELL_COMMAND,
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desc=self.cmd_RUN_SHELL_COMMAND_help)
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def _process_output(self, eventime):
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if self.proc_fd is None:
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return
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try:
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data = os.read(self.proc_fd, 4096)
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except Exception:
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pass
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data = self.partial_output + data
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if '\n' not in data:
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self.partial_output = data
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return
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elif data[-1] != '\n':
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split = data.rfind('\n') + 1
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self.partial_output = data[split:]
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data = data[:split]
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self.gcode.respond_info(data)
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cmd_RUN_SHELL_COMMAND_help = "Run a linux shell command"
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def cmd_RUN_SHELL_COMMAND(self, params):
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reactor = self.printer.get_reactor()
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try:
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proc = subprocess.Popen(
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self.command, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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except Exception:
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logging.exception(
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"shell_command: Command {%s} failed" % (self.name))
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raise self.gcode.error("Error running command {%s}" % (self.name))
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if self.verbose:
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self.proc_fd = proc.stdout.fileno()
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self.gcode.respond_info("Running Command {%s}...:" % (self.name))
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hdl = reactor.register_fd(self.proc_fd, self._process_output)
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eventtime = reactor.monotonic()
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endtime = eventtime + self.timeout
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complete = False
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while eventtime < endtime:
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eventtime = reactor.pause(eventtime + .05)
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if proc.poll() is not None:
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complete = True
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break
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if not complete:
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proc.terminate()
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if self.verbose:
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if self.partial_output:
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self.gcode.respond_info(self.partial_output)
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self.partial_output = ""
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if complete:
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msg = "Command {%s} finished\n" % (self.name)
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else:
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msg = "Command {%s} timed out" % (self.name)
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self.gcode.respond_info(msg)
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reactor.unregister_fd(hdl)
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self.proc_fd = None
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def load_config_prefix(config):
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return ShellCommand(config)
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25
scripts/pixel.py
Executable file
25
scripts/pixel.py
Executable file
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@ -0,0 +1,25 @@
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#!/usr/bin/env python3
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import board
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import neopixel
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import sys
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np_pin = board.D18
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np_num = 16
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np_order = neopixel.GRB
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fname = "/tmp/pixel"
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np = neopixel.NeoPixel(np_pin, np_num, auto_write=False, pixel_order=np_order)
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c = (0,0,0)
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try:
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if len(sys.argv) == 4:
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c = (int(sys.argv[1]), int(sys.argv[2]), int(sys.argv[3]))
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elif len(sys.argv) == 2:
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c = (int(sys.argv[1]), int(sys.argv[1]), int(sys.argv[1]))
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print(f"setting color to {c}")
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np.fill(c)
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np.show()
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except Exception as ex:
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print(f"ERROR: {ex}")
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