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merbananBenjamin Larsson
merbanan
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Benjamin Larsson
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Add decoder for jansite solar tpms
1 parent a81f543 commit 751cfef

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lines changed

‎README.md

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@@ -258,6 +258,7 @@ See [CONTRIBUTING.md](./docs/CONTRIBUTING.md).
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[177] Burnhard BBQ thermometer
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[178] Security+ (Keyfob)
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[179] Cavius smoke, heat and water detector
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[180] Jansite TPMS Model Solar
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* Disabled by default, use -R n or -G
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‎conf/rtl_433.example.conf

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@@ -361,6 +361,7 @@ stop_after_successful_events false
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protocol 177 # Burnhard BBQ thermometer
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protocol 178 # Security+ (Keyfob)
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protocol 179 # Cavius smoke, heat and water detector
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protocol 180 # Jansite TPMS Model Solar
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## Flex devices (command line option "-X")
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‎include/rtl_433_devices.h

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DECL(burnhardbbq) \
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DECL(secplus_v1) \
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DECL(cavius) \
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DECL(tpms_jansite_solar) \
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/* Add new decoders here. */
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#define DECL(name) extern r_device name;

‎src/CMakeLists.txt

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@@ -172,6 +172,7 @@ add_library(r_433 STATIC
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devices/tpms_elantra2012.c
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devices/tpms_ford.c
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devices/tpms_jansite.c
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devices/tpms_jansite_solar.c
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devices/tpms_pmv107j.c
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devices/tpms_renault.c
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devices/tpms_toyota.c

‎src/Makefile.am

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@@ -171,6 +171,7 @@ rtl_433_SOURCES = abuf.c \
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devices/tpms_elantra2012.c \
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devices/tpms_ford.c \
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devices/tpms_jansite.c \
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devices/tpms_jansite_solar.c \
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devices/tpms_pmv107j.c \
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devices/tpms_renault.c \
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devices/tpms_toyota.c \

‎src/devices/tpms_jansite_solar.c

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/** @file
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Jansite FSK 11 byte Manchester encoded checksummed TPMS data.
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Copyright (C) 2021 Benjamin Larsson
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based on code
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2019 Andreas Spiess and Christian W. Zuckschwerdt <[email protected]>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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*/
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/**
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Jansite Solar TPMS Solar Model
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Signal is manchester encoded, and a 11 byte large message
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Data layout (nibbles):
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SS SS II II II 00 TT PP 00 CC CC
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- S: 16 bits sync word, 0xdd33
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- I: 24 bits ID
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- 0: 8 bits Unknown data 1
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- T: 8 bit Temperature (deg. C offset by 55)
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- P: 8 bit Pressure
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- 0: 8 bits Unknown data 2
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- C: 16 bit CRC (CRC-16/BUYPASS)
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- The preamble is 0xa6, 0xa6, 0x5a
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TODO: identify battery bits
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*/
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#include "decoder.h"
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static int tpms_jansite_solar_decode(r_device *decoder, bitbuffer_t *bitbuffer, unsigned row, unsigned bitpos)
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{
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data_t *data;
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bitbuffer_t packet_bits = {0};
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uint8_t *b;
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unsigned id;
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char id_str[7 + 1];
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int flags;
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int pressure;
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int temperature;
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char code_str[9 * 2 + 1];
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bitbuffer_manchester_decode(bitbuffer, row, bitpos, &packet_bits, 88);
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bitbuffer_invert(&packet_bits);
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if (packet_bits.bits_per_row[0] < 88) {
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return DECODE_FAIL_SANITY;
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}
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b = packet_bits.bb[0];
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/* Check for sync */
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if ((b[0]<<8 | b[1]) != 0xdd33) {
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return DECODE_FAIL_SANITY;
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}
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/* Check crc */
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uint16_t crc_calc = crc16(&b[2], 7, 0x8005, 0x0000);
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if ( ((b[9]<<8) | b[10]) != crc_calc) {
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fprintf(stderr, "CRC missmatch %04x vs %02x %02x\n", crc_calc, b[9], b[10]);
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return DECODE_FAIL_MIC;
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}
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id = (unsigned)b[2] << 16 | b[3] << 8 | b[4];
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flags = b[5];
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temperature = b[6];
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pressure = b[7];
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sprintf(id_str, "%06x", id);
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sprintf(code_str, "%02x%02x%02x%02x%02x%02x%02x%02x%02x", b[2], b[3], b[4], b[5], b[6], b[7], b[8], b[9], b[10]);
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/* clang-format off */
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data = data_make(
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"model", "", DATA_STRING, "Jansite Solar",
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"type", "", DATA_STRING, "TPMS",
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"id", "", DATA_STRING, id_str,
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"flags", "", DATA_INT, flags,
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"pressure_kPa", "Pressure", DATA_FORMAT, "%.0f kPa", DATA_DOUBLE, (float)pressure * 1.6,
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"temperature_C", "Temperature", DATA_FORMAT, "%.0f C", DATA_DOUBLE, (float)temperature - 55.0,
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"code", "", DATA_STRING, code_str,
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"mic", "", DATA_STRING, "CRC",
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NULL);
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/* clang-format on */
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decoder_output_data(decoder, data);
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return 1;
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}
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/** @sa tpms_jansite_solar_decode() */
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static int tpms_jansite_solar_callback(r_device *decoder, bitbuffer_t *bitbuffer)
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{
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uint8_t const preamble_pattern[3] = {0xa6, 0xa6, 0x5a};
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unsigned bitpos = 0;
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int ret = 0;
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int events = 0;
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while ((bitpos = bitbuffer_search(bitbuffer, 0, bitpos, preamble_pattern, 24)) + 80 <=
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bitbuffer->bits_per_row[0]) {
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ret = tpms_jansite_solar_decode(decoder, bitbuffer, 0, bitpos);
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if (ret > 0)
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events += ret;
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bitpos += 2;
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}
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return events > 0 ? events : ret;
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}
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static char *output_fields[] = {
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"model",
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"type",
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"id",
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"flags",
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"pressure_kPa",
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"temperature_C",
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"code",
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"mic",
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NULL,
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};
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r_device tpms_jansite_solar = {
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.name = "Jansite TPMS Model Solar",
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.modulation = FSK_PULSE_PCM,
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.short_width = 51,
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.long_width = 51,
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.reset_limit = 5000, // Large enough to merge the 3 duplicate messages
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.decode_fn = &tpms_jansite_solar_callback,
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.disabled = 0,
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.fields = output_fields,
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};

‎vs15/rtl_433.vcxproj

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@@ -300,6 +300,7 @@ COPY ..\..\libusb\MS64\dll\libusb*.dll $(TargetDir)</Command>
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<ClCompile Include="..\src\devices\tpms_elantra2012.c" />
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<ClCompile Include="..\src\devices\tpms_ford.c" />
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<ClCompile Include="..\src\devices\tpms_jansite.c" />
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<ClCompile Include="..\src\devices\tpms_jansite_solar.c" />
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<ClCompile Include="..\src\devices\tpms_pmv107j.c" />
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<ClCompile Include="..\src\devices\tpms_renault.c" />
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<ClCompile Include="..\src\devices\tpms_toyota.c" />

‎vs15/rtl_433.vcxproj.filters

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<ClCompile Include="..\src\devices\tpms_jansite.c">
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<Filter>Source Files\devices</Filter>
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</ClCompile>
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<ClCompile Include="..\src\devices\tpms_jansite_solar.c">
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<Filter>Source Files\devices</Filter>
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</ClCompile>
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<ClCompile Include="..\src\devices\tpms_pmv107j.c">
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<Filter>Source Files\devices</Filter>
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</ClCompile>

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