RaspyRFM/connair.py
2016-09-08 13:40:19 +00:00

73 lines
2 KiB
Python
Executable file

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