Software decoder for EnergyCount 3000 devices using rtl-sdr
EmbedME/ec3k_decoder
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ec3k_decoder ============ Software decoder for EnergyCount 3000 devices using rtl-sdr. rtl_fm (part of rtl-sdr) is used to tune to the frequency of the energy sensors and to decode FM. The result of the fm decoding is piped into the ec3k decoder which outputs the decoding result to stdout in following csv format: Timestamp,Sensorid,Watts*10,WattSeconds Compile gcc ec3k_decoder.c -o ec3k_decoder Usage sudo rtl_fm -f 868402000 -s 200000 -A fast - | ./ec3k_decoder Example output: 1378644760,70b2,37,132688308 1378644764,71b2,1229,13643992 1378644765,70b2,37,132688326 1378644769,71b2,1104,13644589 1378644770,70b2,38,132688345 1378644774,71b2,627,13645072 Runs on Raspberry Pi Rev B (rtl_fm consumes 19% of CPU, ec3k_decoder 10% CPU). Thomas Fischl <tfischl@gmx.de>
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Software decoder for EnergyCount 3000 devices using rtl-sdr
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