rtl433
UNKNOWN
RTL-433 utility
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Ambient Weather WH31E protocol. More...
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static int | ambientweather_wh31e_callback (r_device *decoder, bitbuffer_t *bitbuffer) |
Ambient Weather WH31E protocol. More... | |
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static char * | output_fields [] |
r_device | ambientweather_wh31e |
Ambient Weather WH31E protocol.
Copyright (C) 2018 Christian W. Zuckschwerdt zany@ based on protocol analysis by James Cuff and Michele Clamp triq .net
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
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Ambient Weather WH31E protocol.
915 MHz FSK PCM Thermo-Hygrometer Sensor (bundled as Ambient Weather WS-3000-X5).
56 us bit length with a warm-up of 1336 us mark(pulse), 1996 us space(gap), a preamble of 48 bit flips (0xaaaaaaaaaaaa) and a 0x2dd4 sync-word.
Data layout:
YY II CT TT HH XX ?? ?? ?? ?? ??
Example packets:
{177} aa aa aa aa aa aa 2d d4 30 c3 8 20a 5e df bc 07 56 a7 ae 00 00 00 00 {178} aa aa aa aa aa aa 2d d4 30 44 9 21a 39 5a b3 07 45 04 5f 00 00 00 00
Some payloads:
30 c3 81 d5 5c 2a cf 08 35 44 2c 30 35 c2 2f 3c 0f a1 07 52 29 9f 30 35 c2 2e 3c fb 8c 07 52 29 9f 30 c9 a2 1e 40 0c 05 07 34 c6 b1 30 2b b2 14 3d 94 f2 08 53 78 e6 30 c9 a2 1f 40 f8 f2 07 34 c6 b1 30 44 92 13 3e 0e 65 07 45 04 5f 30 44 92 15 3d 07 5f 07 45 04 5f 30 c3 81 d6 5b 90 35 08 35 44 2c
References bitbuffer_extract_bytes(), bitbuffer_search(), bitbuffer::bits_per_row, crc8(), DATA_DOUBLE, DATA_FORMAT, DATA_INT, data_make(), DATA_STRING, decoder_output_data(), bitbuffer::num_rows, preamble, and r_device::verbose.
r_device ambientweather_wh31e |
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