27 lines
768 B
Protocol Buffer
27 lines
768 B
Protocol Buffer
# A protocol file for a E+E EE31 rhT sensor
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# Its a binary protocol
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Terminator = '';
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ReplyTimeout = 3000;
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# unsolicited weight message
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fetch_rht {
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# First 2 bytes addr, 0 in our case
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# 3rd byte is command, fetch rht values
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# 4th byte length of message, 2 bytes
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# 5th and 6th byte, data. For this case it is 1
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out 0x00 0x00 0x67 0x02 0x00 0x01 0x6a;
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# First 2 bytes is address
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# 0xca8b is the unit at neutra
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# command
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# length
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# ack
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# 0x00, unknown what this is
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# 2 ieee_754 floats.
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# Read exactly one char, but drop it. crc8
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# The device sometimes adds an extra 0x00 at the end...weird
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# this is handled with ?c command
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in 0xca 0x8b 0x67 0x0A 0x06 0x00 "%(\$1:TEMP)#R%(\$1:RELHUM)#R%*c%*?1c";
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}
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