Add Acurite 609TXC protocol to weather station (#1987)
Co-authored-by: あく <alleteam@gmail.com>
This commit is contained in:
Samuel Stauffer
GitHub
parent
ce294c3b1e
commit
328d049b6a
247
applications/plugins/weather_station/protocols/acurite_609txc.c
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247
applications/plugins/weather_station/protocols/acurite_609txc.c
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#include "acurite_609txc.h"
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#define TAG "WSProtocolAcurite_609TXC"
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/*
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* Help
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* https://github.com/merbanan/rtl_433/blob/5bef4e43133ac4c0e2d18d36f87c52b4f9458453/src/devices/acurite.c#L216
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*
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* 0000 1111 | 0011 0000 | 0101 1100 | 0000 0000 | 1110 0111
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* iiii iiii | buuu tttt | tttt tttt | hhhh hhhh | cccc cccc
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* - i: identification; changes on battery switch
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* - c: checksum (sum of previous by bytes)
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* - u: unknown
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* - b: battery low; flag to indicate low battery voltage
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* - t: temperature; in °C * 10, 12 bit with complement
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* - h: humidity
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*
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*/
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static const SubGhzBlockConst ws_protocol_acurite_609txc_const = {
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.te_short = 500,
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.te_long = 1000,
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.te_delta = 150,
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.min_count_bit_for_found = 40,
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};
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struct WSProtocolDecoderAcurite_609TXC {
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SubGhzProtocolDecoderBase base;
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SubGhzBlockDecoder decoder;
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WSBlockGeneric generic;
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};
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struct WSProtocolEncoderAcurite_609TXC {
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SubGhzProtocolEncoderBase base;
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SubGhzProtocolBlockEncoder encoder;
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WSBlockGeneric generic;
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};
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typedef enum {
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Acurite_609TXCDecoderStepReset = 0,
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Acurite_609TXCDecoderStepSaveDuration,
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Acurite_609TXCDecoderStepCheckDuration,
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} Acurite_609TXCDecoderStep;
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const SubGhzProtocolDecoder ws_protocol_acurite_609txc_decoder = {
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.alloc = ws_protocol_decoder_acurite_609txc_alloc,
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.free = ws_protocol_decoder_acurite_609txc_free,
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.feed = ws_protocol_decoder_acurite_609txc_feed,
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.reset = ws_protocol_decoder_acurite_609txc_reset,
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.get_hash_data = ws_protocol_decoder_acurite_609txc_get_hash_data,
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.serialize = ws_protocol_decoder_acurite_609txc_serialize,
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.deserialize = ws_protocol_decoder_acurite_609txc_deserialize,
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.get_string = ws_protocol_decoder_acurite_609txc_get_string,
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};
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const SubGhzProtocolEncoder ws_protocol_acurite_609txc_encoder = {
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.alloc = NULL,
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.free = NULL,
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.deserialize = NULL,
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.stop = NULL,
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.yield = NULL,
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};
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const SubGhzProtocol ws_protocol_acurite_609txc = {
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.name = WS_PROTOCOL_ACURITE_609TXC_NAME,
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.type = SubGhzProtocolWeatherStation,
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.flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_315 | SubGhzProtocolFlag_868 |
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SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable,
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.decoder = &ws_protocol_acurite_609txc_decoder,
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.encoder = &ws_protocol_acurite_609txc_encoder,
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};
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void* ws_protocol_decoder_acurite_609txc_alloc(SubGhzEnvironment* environment) {
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UNUSED(environment);
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WSProtocolDecoderAcurite_609TXC* instance = malloc(sizeof(WSProtocolDecoderAcurite_609TXC));
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instance->base.protocol = &ws_protocol_acurite_609txc;
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instance->generic.protocol_name = instance->base.protocol->name;
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return instance;
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}
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void ws_protocol_decoder_acurite_609txc_free(void* context) {
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furi_assert(context);
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WSProtocolDecoderAcurite_609TXC* instance = context;
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free(instance);
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}
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void ws_protocol_decoder_acurite_609txc_reset(void* context) {
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furi_assert(context);
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WSProtocolDecoderAcurite_609TXC* instance = context;
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instance->decoder.parser_step = Acurite_609TXCDecoderStepReset;
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}
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static bool ws_protocol_acurite_609txc_check(WSProtocolDecoderAcurite_609TXC* instance) {
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if(!instance->decoder.decode_data) return false;
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uint8_t crc = (uint8_t)(instance->decoder.decode_data >> 32) +
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(uint8_t)(instance->decoder.decode_data >> 24) +
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(uint8_t)(instance->decoder.decode_data >> 16) +
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(uint8_t)(instance->decoder.decode_data >> 8);
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return (crc == (instance->decoder.decode_data & 0xFF));
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}
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/**
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* Analysis of received data
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* @param instance Pointer to a WSBlockGeneric* instance
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*/
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static void ws_protocol_acurite_609txc_remote_controller(WSBlockGeneric* instance) {
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instance->id = (instance->data >> 32) & 0xFF;
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instance->battery_low = (instance->data >> 31) & 1;
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instance->channel = WS_NO_CHANNEL;
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// Temperature in Celsius is encoded as a 12 bit integer value
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// multiplied by 10 using the 4th - 6th nybbles (bytes 1 & 2)
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// negative values are recovered by sign extend from int16_t.
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int16_t temp_raw =
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(int16_t)(((instance->data >> 12) & 0xf000) | ((instance->data >> 16) << 4));
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instance->temp = (temp_raw >> 4) * 0.1f;
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instance->humidity = (instance->data >> 8) & 0xff;
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instance->btn = WS_NO_BTN;
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}
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void ws_protocol_decoder_acurite_609txc_feed(void* context, bool level, uint32_t duration) {
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furi_assert(context);
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WSProtocolDecoderAcurite_609TXC* instance = context;
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switch(instance->decoder.parser_step) {
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case Acurite_609TXCDecoderStepReset:
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if((!level) && (DURATION_DIFF(duration, ws_protocol_acurite_609txc_const.te_short * 17) <
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ws_protocol_acurite_609txc_const.te_delta * 8)) {
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//Found syncPrefix
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instance->decoder.parser_step = Acurite_609TXCDecoderStepSaveDuration;
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instance->decoder.decode_data = 0;
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instance->decoder.decode_count_bit = 0;
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}
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break;
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case Acurite_609TXCDecoderStepSaveDuration:
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if(level) {
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instance->decoder.te_last = duration;
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instance->decoder.parser_step = Acurite_609TXCDecoderStepCheckDuration;
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} else {
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instance->decoder.parser_step = Acurite_609TXCDecoderStepReset;
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}
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break;
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case Acurite_609TXCDecoderStepCheckDuration:
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if(!level) {
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if(DURATION_DIFF(instance->decoder.te_last, ws_protocol_acurite_609txc_const.te_short) <
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ws_protocol_acurite_609txc_const.te_delta) {
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if((DURATION_DIFF(duration, ws_protocol_acurite_609txc_const.te_short) <
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ws_protocol_acurite_609txc_const.te_delta) ||
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(duration > ws_protocol_acurite_609txc_const.te_long * 3)) {
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//Found syncPostfix
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instance->decoder.parser_step = Acurite_609TXCDecoderStepReset;
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if((instance->decoder.decode_count_bit ==
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ws_protocol_acurite_609txc_const.min_count_bit_for_found) &&
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ws_protocol_acurite_609txc_check(instance)) {
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instance->generic.data = instance->decoder.decode_data;
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instance->generic.data_count_bit = instance->decoder.decode_count_bit;
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ws_protocol_acurite_609txc_remote_controller(&instance->generic);
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if(instance->base.callback)
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instance->base.callback(&instance->base, instance->base.context);
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}
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instance->decoder.decode_data = 0;
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instance->decoder.decode_count_bit = 0;
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} else if(
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DURATION_DIFF(duration, ws_protocol_acurite_609txc_const.te_long) <
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ws_protocol_acurite_609txc_const.te_delta * 2) {
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subghz_protocol_blocks_add_bit(&instance->decoder, 0);
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instance->decoder.parser_step = Acurite_609TXCDecoderStepSaveDuration;
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} else if(
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DURATION_DIFF(duration, ws_protocol_acurite_609txc_const.te_long * 2) <
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ws_protocol_acurite_609txc_const.te_delta * 4) {
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subghz_protocol_blocks_add_bit(&instance->decoder, 1);
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instance->decoder.parser_step = Acurite_609TXCDecoderStepSaveDuration;
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} else {
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instance->decoder.parser_step = Acurite_609TXCDecoderStepReset;
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}
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} else {
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instance->decoder.parser_step = Acurite_609TXCDecoderStepReset;
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}
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} else {
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instance->decoder.parser_step = Acurite_609TXCDecoderStepReset;
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}
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break;
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}
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}
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uint8_t ws_protocol_decoder_acurite_609txc_get_hash_data(void* context) {
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furi_assert(context);
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WSProtocolDecoderAcurite_609TXC* instance = context;
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return subghz_protocol_blocks_get_hash_data(
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&instance->decoder, (instance->decoder.decode_count_bit / 8) + 1);
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}
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bool ws_protocol_decoder_acurite_609txc_serialize(
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void* context,
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FlipperFormat* flipper_format,
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SubGhzRadioPreset* preset) {
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furi_assert(context);
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WSProtocolDecoderAcurite_609TXC* instance = context;
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return ws_block_generic_serialize(&instance->generic, flipper_format, preset);
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}
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bool ws_protocol_decoder_acurite_609txc_deserialize(void* context, FlipperFormat* flipper_format) {
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furi_assert(context);
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WSProtocolDecoderAcurite_609TXC* instance = context;
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bool ret = false;
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do {
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if(!ws_block_generic_deserialize(&instance->generic, flipper_format)) {
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break;
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}
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if(instance->generic.data_count_bit !=
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ws_protocol_acurite_609txc_const.min_count_bit_for_found) {
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FURI_LOG_E(TAG, "Wrong number of bits in key");
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break;
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}
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ret = true;
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} while(false);
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return ret;
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}
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void ws_protocol_decoder_acurite_609txc_get_string(void* context, FuriString* output) {
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furi_assert(context);
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WSProtocolDecoderAcurite_609TXC* instance = context;
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furi_string_printf(
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output,
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"%s %dbit\r\n"
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"Key:0x%lX%08lX\r\n"
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"Sn:0x%lX Ch:%d Bat:%d\r\n"
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"Temp:%3.1f C Hum:%d%%",
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instance->generic.protocol_name,
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instance->generic.data_count_bit,
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(uint32_t)(instance->generic.data >> 40),
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(uint32_t)(instance->generic.data),
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instance->generic.id,
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instance->generic.channel,
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instance->generic.battery_low,
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(double)instance->generic.temp,
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instance->generic.humidity);
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}
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@ -0,0 +1,79 @@
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#pragma once
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#include <lib/subghz/protocols/base.h>
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#include <lib/subghz/blocks/const.h>
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#include <lib/subghz/blocks/decoder.h>
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#include <lib/subghz/blocks/encoder.h>
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#include "ws_generic.h"
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#include <lib/subghz/blocks/math.h>
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#define WS_PROTOCOL_ACURITE_609TXC_NAME "Acurite-609TXC"
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typedef struct WSProtocolDecoderAcurite_609TXC WSProtocolDecoderAcurite_609TXC;
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typedef struct WSProtocolEncoderAcurite_609TXC WSProtocolEncoderAcurite_609TXC;
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extern const SubGhzProtocolDecoder ws_protocol_acurite_609txc_decoder;
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extern const SubGhzProtocolEncoder ws_protocol_acurite_609txc_encoder;
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extern const SubGhzProtocol ws_protocol_acurite_609txc;
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/**
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* Allocate WSProtocolDecoderAcurite_609TXC.
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* @param environment Pointer to a SubGhzEnvironment instance
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* @return WSProtocolDecoderAcurite_609TXC* pointer to a WSProtocolDecoderAcurite_609TXC instance
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*/
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void* ws_protocol_decoder_acurite_609txc_alloc(SubGhzEnvironment* environment);
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/**
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* Free WSProtocolDecoderAcurite_609TXC.
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* @param context Pointer to a WSProtocolDecoderAcurite_609TXC instance
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*/
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void ws_protocol_decoder_acurite_609txc_free(void* context);
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/**
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* Reset decoder WSProtocolDecoderAcurite_609TXC.
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* @param context Pointer to a WSProtocolDecoderAcurite_609TXC instance
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*/
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void ws_protocol_decoder_acurite_609txc_reset(void* context);
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/**
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* Parse a raw sequence of levels and durations received from the air.
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* @param context Pointer to a WSProtocolDecoderAcurite_609TXC instance
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* @param level Signal level true-high false-low
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* @param duration Duration of this level in, us
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*/
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void ws_protocol_decoder_acurite_609txc_feed(void* context, bool level, uint32_t duration);
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/**
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* Getting the hash sum of the last randomly received parcel.
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* @param context Pointer to a WSProtocolDecoderAcurite_609TXC instance
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* @return hash Hash sum
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*/
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uint8_t ws_protocol_decoder_acurite_609txc_get_hash_data(void* context);
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/**
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* Serialize data WSProtocolDecoderAcurite_609TXC.
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* @param context Pointer to a WSProtocolDecoderAcurite_609TXC instance
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* @param flipper_format Pointer to a FlipperFormat instance
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* @param preset The modulation on which the signal was received, SubGhzRadioPreset
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* @return true On success
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*/
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bool ws_protocol_decoder_acurite_609txc_serialize(
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void* context,
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FlipperFormat* flipper_format,
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SubGhzRadioPreset* preset);
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/**
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* Deserialize data WSProtocolDecoderAcurite_609TXC.
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* @param context Pointer to a WSProtocolDecoderAcurite_609TXC instance
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* @param flipper_format Pointer to a FlipperFormat instance
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* @return true On success
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*/
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bool ws_protocol_decoder_acurite_609txc_deserialize(void* context, FlipperFormat* flipper_format);
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/**
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* Getting a textual representation of the received data.
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* @param context Pointer to a WSProtocolDecoderAcurite_609TXC instance
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* @param output Resulting text
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*/
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void ws_protocol_decoder_acurite_609txc_get_string(void* context, FuriString* output);
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@ -6,6 +6,7 @@ const SubGhzProtocol* weather_station_protocol_registry_items[] = {
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&ws_protocol_nexus_th,
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&ws_protocol_nexus_th,
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&ws_protocol_gt_wt_03,
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&ws_protocol_gt_wt_03,
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&ws_protocol_acurite_606tx,
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&ws_protocol_acurite_606tx,
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&ws_protocol_acurite_609txc,
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&ws_protocol_lacrosse_tx141thbv2,
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&ws_protocol_lacrosse_tx141thbv2,
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&ws_protocol_oregon2,
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&ws_protocol_oregon2,
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&ws_protocol_acurite_592txr,
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&ws_protocol_acurite_592txr,
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@ -6,6 +6,7 @@
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#include "nexus_th.h"
|
#include "nexus_th.h"
|
||||||
#include "gt_wt_03.h"
|
#include "gt_wt_03.h"
|
||||||
#include "acurite_606tx.h"
|
#include "acurite_606tx.h"
|
||||||
|
#include "acurite_609txc.h"
|
||||||
#include "lacrosse_tx141thbv2.h"
|
#include "lacrosse_tx141thbv2.h"
|
||||||
#include "oregon2.h"
|
#include "oregon2.h"
|
||||||
#include "acurite_592txr.h"
|
#include "acurite_592txr.h"
|
||||||
|
|||||||
Loading…
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Reference in New Issue
Block a user