hyperion.ng/effects/shutdown.py

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import hyperion, time, subprocess
def setPixel(x,y,rgb):
global imageData, width
offset = y*width*3 + x*3
if offset+2 < len(imageData):
imageData[offset] = rgb[0]
imageData[offset+1] = rgb[1]
imageData[offset+2] = rgb[2]
# Initialize the led data and args
sleepTime = float(hyperion.args.get('speed', 1.0))*0.5
alarmColor = hyperion.args.get('alarm-color', (255,0,0))
postColor = hyperion.args.get('post-color', (255,174,11))
off = bool(hyperion.args.get('shutdown-enabled', False))
initialBlink = bool(hyperion.args.get('initial-blink', True))
setPostColor = bool(hyperion.args.get('set-post-color', True))
width = 12
height = 10
imageData = bytearray(height * width * (0,0,0))
# Start the write data loop
if initialBlink:
for i in range(6):
if hyperion.abort():
off = False
break
if i % 2:
hyperion.setColor(alarmColor[0], alarmColor[1], alarmColor[2])
else:
hyperion.setColor(0, 0, 0)
time.sleep(sleepTime)
for y in range(height,0,-1):
if hyperion.abort():
off = False
break
for x in range(width):
setPixel(x, y-1, alarmColor)
hyperion.setImage(width, height, imageData)
time.sleep(sleepTime)
time.sleep(1)
if setPostColor:
for y in range(height):
for x in range(width):
setPixel(x, y, postColor)
hyperion.setImage(width, height, imageData)
time.sleep(2)
if off and not hyperion.abort():
subprocess.call("halt")