75 lines
1.7 KiB
Python
75 lines
1.7 KiB
Python
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#!/usr/bin/env python2.7
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from rfm69 import Rfm69
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import rfm69
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import sys
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import time
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import threading
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devices = {
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'0x19cf40': 'SchlafWall',
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'0x1a2a84': 'SchlafThermos',
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'0x12c400': 'SchlafThermos2',
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'0x192b8d': 'Wall2',
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'0x192765': 'Wall3',
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}
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if Rfm69.Test(1):
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print("Found RaspyRFM twin")
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rfm = Rfm69(1, 24) #when using the RaspyRFM twin
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elif Rfm69.Test(0):
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print("Found RaspyRFM single")
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rfm = Rfm69() #when using a single single 868 MHz RaspyRFM
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else:
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print("No RFM69 module found!")
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exit()
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def CallbackSync():
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lfsr = 0x1ff
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frame = []
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frame.append(rfm.ReadFifoWait())
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len = frame[0] ^ 0xFF #invert due to whitening
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for i in range(len):
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frame.append(rfm.ReadFifoWait())
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rfm.WhitenTI(frame)
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x = {}
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x['cnt'] = frame[1]
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x['flag'] = hex(frame[2])
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x['type'] = hex(frame[3])
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x['src'] = hex(frame[4] << 16 | frame[5] << 8 | frame[6])
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x['dst'] = hex(frame[7] << 16 | frame[8] << 8 | frame[9])
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x['grp'] = frame[10]
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x['pay'] = []
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for i in range(len - 10):
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x['pay'].append(frame[i + 11])
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if x['src'] in devices:
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x['src'] = devices[x['src']]
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if x['dst'] in devices:
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x['dst'] = devices[x['dst']]
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info = ""
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if x['type'] == '0x42':
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info = str(x['pay'][0] / 2.0) + ' / ' + str(x['pay'][1] / 10.0)
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print(x['src'] + "->" + x['dst'] + " type " + x['type'] + ':', x['pay'], info)
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rfm.SetParams(
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Freq = 868.300, #MHz center frequency
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ModulationType = rfm69.FSK, #modulation
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Datarate = 9.992, #kbit/s baudrate
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Deviation = 19.042, #kHz frequency deviation -> OBW = 48 kHz, h = 3.81
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SyncPattern = [0xc6, 0x26, 0xc6, 0x26], #syncword
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Bandwidth = 100, #kHz bandwidth (101.5)
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RssiThresh = -100, #-100 dB RSSI threshold
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CallbackSync = CallbackSync
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)
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print "Waiting for sensors..."
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while 1:
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data = rfm.ReceivePacket(64)
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