73 lines
1.9 KiB
Python
73 lines
1.9 KiB
Python
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#!/usr/bin/env python2.7
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import socket
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import rfm69
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import sys
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UDP_IP = "0.0.0.0"
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UDP_PORT = 49880
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HELLO_MESSAGE = "HCGW:VC:Seegel Systeme;MC:RaspyRFM;FW:1.00;IP:192.168.2.124;;"
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sock = socket.socket(socket.AF_INET, # Internet
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socket.SOCK_DGRAM) # UDP
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sock.bind((UDP_IP, UDP_PORT))
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#sock.sendto("TXP:0,0,10,20000,350,25,1,3,3,1,1,3,3,1,1,3,3,1,1,3,3,1,1,3,3,1,1,3,3,1,1,3,3,1,1,3,3,1,1,3,3,1,1,3,3,1,1,3,1,3,1,3,3,1,1,17;", ("192.168.178.51", 49880))
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#sys.exit(0)
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rfm = rfm69.Rfm69()
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rfm.SetParams(
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Freq = 433.92,
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TXPower = 13,
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ModulationType = rfm69.OOK,
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SyncPattern = [],
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RssiThresh = -72
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)
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while True:
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data, addr = sock.recvfrom(1024) # buffer size is 1024 bytes
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#data = "TXP:0,0,6,5950,350,25,1,3,3,1,1,3,3,1,1,3,3,1,1,3,3,1,1,3,3,1,1,3,3,1,1,3,3,1,1,3,3,1,1,3,3,1,1,3,3,1,1,3,1,3,1,3,3,1,1,17;"
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#addr = ("123", 5)
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print "received message:", data, "from ", addr
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msg = str(data).split(":")
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if msg[0] == "SEARCH HCGW":
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sock.sendto(HELLO_MESSAGE, addr)
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print "Hello message"
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if msg[0] == "TXP":
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msg[1] = msg[1].replace(";", "")
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cmd = msg[1].split(",")
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rep = int(cmd[2])
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pauselen = int(cmd[3])
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steplen = int(cmd[4])
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numpulse = int(cmd[5])
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pulsedata = cmd[6:]
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pulsedata[numpulse * 2 - 1] = int(pulsedata[numpulse * 2 - 1]) + pauselen / steplen
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bindata = []
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bit = True
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numbit = 0
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bitleft = 0
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for i in range(numpulse * 2):
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for bits in range(int(pulsedata[i])):
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if bitleft == 0:
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bitleft = 8
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bindata.append(0x00)
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bindata[len(bindata) - 1] <<= 1
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if bit:
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bindata[len(bindata) - 1] |= 0x01
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bitleft -= 1
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bit = not bit
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for i in range(bitleft):
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bindata[len(bindata) - 1] <<= 1
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print "bitleft: ", bitleft
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print "reps: ", rep
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print "Pulse data", pulsedata
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print "bin:", bindata
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rfm.SetParams(Datarate = 1000.0 / steplen)
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rfm.SendPacket(bindata * rep)
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