glados_respeaker.py

#!/usr/bin/python3
import os

import glados_settings
glados_settings.load_from_file()

def respeaker_init():

	# Try to load the ReSpeaker pixel ring library
	if(glados_settings.settings["hardware"]["servo_controller"]["serial_enable"] in ('true', '1', 't')):
		try:
			from pixel_ring import pixel_ring
		except Exception as e:
			respeaker_errors(e)


# Parse error messages into most common help hints
def respeaker_errors(e):

	if "Access denied" in str(e):
		print("\nERROR: No permission to access ReSpeaker hardware.")
		print("Check the README.md for udev rules in the hardware/respeaker folder.")
		exit();
	if "No such device" in str(e):
		print("\nERROR: ReSpeaker is not connected.")
		exit();
	if "No such file of directory" in str(e):
		print("\nERROR: Library missing.")
		print("Run 'sudo pip3 install pixel_ring'")
		exit();
	if "name 'pixel_ring' is not defined" in str(e):
		print("\nERROR: ReSpeaker is probably not connected?")
		exit();
	else:
		print(e)


# Set the ring to static color.
# Input 8 bit HEX color codes
def respeaker_pixel_ring(rgb=0x100000):

	# Set respeaker to dim glow inside the head.
	# See hardware folder for more info.
	if(glados_settings.settings["hardware"]["servo_controller"]["serial_enable"] in ('true', '1', 't')):
		try:
			pixel_ring.set_color(rgb)
		except Exception as e:
			respeaker_errors(e)


# Set respeaker to animation modes
def respeaker_mode(mode):

	if(glados_settings.settings["hardware"]["servo_controller"]["serial_enable"] in ('true', '1', 't')):
		if(mode == "listen"):
			try:
				pixel_ring.listen()
			except Exception as e:
				respeaker_errors(e)
		elif(mode == "wait"):
			try:
				pixel_ring.wait() 
			except Exception as e:
				respeaker_errors(e);


respeaker_init()