34 lines
997 B
Python
34 lines
997 B
Python
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from rflib import *
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def calculate_crc( pre, sink_word, rest_id, station_id, pager_n, alert_type ):
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l = re.findall('..', pre + sink_word + rest_id + station_id + pager_n + '0000000000' + alert_type )
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bin_array = []
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for c in l:
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bin_array.append ( (format( int(c, 16) , '08b')))
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sum=0
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for b in bin_array:
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sum += int(b , 2)
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foo='{0}{1}{2}{3}{4}{5}{6}{7}'.format( pre, sink_word, rest_id, station_id, pager_n, '0000000000', alert_type, format( ( sum % 255), '02x' ))
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print("d.RFxmit(bytes.fromhex('"+foo+"'))")
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return foo
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d = RfCat()
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d.setMdmModulation(MOD_2FSK)
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d.setFreq(467750000)
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d.setMdmSyncMode(0)
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d.setMdmDeviatn(5000)
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d.setMdmDRate(625)
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d.setMaxPower()
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d.setModeIDLE()
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d.setEnableMdmManchester(1)
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for rest_id in range(0,255):
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crc_out = ( calculate_crc( format(11184810, '06x') , format( 64557,'04x'), format(rest_id, '02x'), '0', format( 0 ,'03x' ), format(1, '02x') ) )
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d.RFxmit(bytes.fromhex(crc_out))
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d.setModeIDLE()
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