Added a "udp" effect that listens for UDP packets and then sets the LEDs.

A good companion for the UDP led driver i also commited


Former-commit-id: f9c43eab8fe1c805c32de3e3612b238b33d1d153
This commit is contained in:
penfold42 2016-01-08 14:11:57 +11:00
parent 382f22f23c
commit 6d062adc35
2 changed files with 55 additions and 0 deletions

8
effects/udp.json Normal file
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{
"name" : "UDP listener",
"script" : "udp.py",
"args" :
{
"udpPort" : 2391
}
}

47
effects/udp.py Normal file
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import hyperion
import time
import colorsys
import socket
import errno
# Get the parameters
udpPort = int(hyperion.args.get('udpPort', 2812))
UDPSock = socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
UDPSock.setblocking(False)
listen_addr = ("",udpPort)
print "udp.py: bind socket port:",udpPort
UDPSock.bind(listen_addr)
hyperion.setColor(hyperion.ledCount * bytearray((int(0), int(0), int(0))) )
# Start the write data loop
while not hyperion.abort():
try:
data,addr = UDPSock.recvfrom(4500)
# print data.strip(),len(data),addr
if (len(data)%3 == 0):
# print "numleds ",len(data)/3
ledData = bytearray()
for i in range(hyperion.ledCount):
if (i<(len(data)/3)):
ledData += data[i*3+0]
ledData += data[i*3+1]
ledData += data[i*3+2]
else:
ledData += bytearray((int(0), int(0), int(0)))
hyperion.setColor(ledData)
else:
print "not div 3"
except IOError as e:
if e.errno == errno.EWOULDBLOCK:
pass
else:
print "errno:", e.errno
print "udp.py: closing socket"
UDPSock.close()