122 lines
2.3 KiB
Python
122 lines
2.3 KiB
Python
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#!/usr/bin/env python2.7
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from raspyrfm import *
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import sys
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import time
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from argparse import ArgumentParser
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parser = ArgumentParser()
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parser.add_argument("-t", "--timebase", type=int, help=u"timebase in \u03bcs")
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parser.add_argument("-r", "--repeats", type=int, help=u"number of repetitions")
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parser.add_argument("code", nargs='*', help="code, e. g. '000000000FFF', 'A 1 2 on' or '10111100011101011111111110001110'")
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args = parser.parse_args()
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txdata = None
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if len(args.code) > 0:
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txdata = None
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for proto in protos:
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data = proto.Encode(args.code)
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if data:
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txdata = data
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break
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if txdata is None:
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print("invalid code!")
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exit()
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rfm = RaspyRFM(1, RFM69)
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rfm.set_params(
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Freq = 868.35, #MHz
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Datarate = 20.0, #kbit/s
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Bandwidth = 200, #kHz
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SyncPattern = [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07],
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RssiThresh = -105, #dBm
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ModulationType = rfm69.OOK,
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OokThreshType = 1, #peak thresh
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OokPeakThreshDec = 3,
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)
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if txdata:
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rfm.SetParams(
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SyncPattern = [],
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Datarate = 5.0
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)
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rep = (args.repeats if args.repeats else txdata[1])
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rfm.SendPacket(txdata[0] * rep)
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print("Code sent!")
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exit()
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def Decode(pulses):
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if len(pulses) != 118:
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return;
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b = ""
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for p in pulses:
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if (p>=6) and (p<=10):
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b += "s"
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elif (p > 10) and (p<15):
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b += "l"
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else:
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b += '?'
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s = ""
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while len(b) > 0:
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if b[:2] == 'ss':
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s += '0'
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elif b[:2] == 'll':
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s += '1'
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else:
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s += '?'
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b = b[2:]
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print(s)
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print("SYNC " + s[1:13] + " HC1 " + s[13:22] + " HC2 " + s[22:31] +
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" ADR " + s[31:40])
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return
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for i in range(len(pulses)):
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pulses[i] *= 50
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dec = None
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for proto in protos:
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dec = proto.Decode(pulses)
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if dec:
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print(dec)
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if not dec:
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print("Len " + str(len(pulses)) + ": " + str(pulses))
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while True:
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data = rfm.receive_packet(400)
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s = ""
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pulsecount = 3
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glitchcount = 0
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bit = True
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pulses = []
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for d in data[0]:
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s += format(d, '08b')
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mask = 0x80
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while mask > 0:
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newbit = (d & mask) > 0
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if glitchcount > 0:
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glitchcount += 1
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if newbit == bit:
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pulsecount += glitchcount
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glitchcount = 0
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else:
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if glitchcount == 3:
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pulses.append(pulsecount)
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if pulsecount > 50:
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Decode(pulses)
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pulses = []
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bit = newbit
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pulsecount = 3
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glitchcount = 0
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else:
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if newbit == bit:
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pulsecount += 1
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else:
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glitchcount = 1
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mask >>= 1
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