mirror of
https://github.com/Next-Flip/Momentum-Firmware.git
synced 2026-04-26 03:39:58 -07:00
83c8aad87a
Old ignore system used SubGhzProtocolFlag_* This enum was saturated, and started taking more bytes than on OFW This caused BusFault when using apps compiled for OFW, like from catalog Crash is because of incompatible memory structure New ignore system uses own enum at end of struct This is binary compatible with OFW and correct solution for future
298 lines
11 KiB
C
298 lines
11 KiB
C
#include "lacrosse_tx141thbv2.h"
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#define TAG "WSProtocolLaCrosse_TX141THBv2"
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#define LACROSSE_TX141TH_BV2_BIT_COUNT 41
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/*
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* Help
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* https://github.com/merbanan/rtl_433/blob/master/src/devices/lacrosse_tx141x.c
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*
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* iiii iiii | bkcc tttt | tttt tttt | hhhh hhhh | cccc cccc | u - 41 bit
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* or
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* iiii iiii | bkcc tttt | tttt tttt | hhhh hhhh | cccc cccc | -40 bit
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* - i: identification; changes on battery switch
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* - c: lfsr_digest8_reflect;
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* - u: unknown;
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* - b: battery low; flag to indicate low battery voltage
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* - h: Humidity;
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* - t: Temperature; in °F as binary number with one decimal place + 50 °F offset
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* - n: Channel; Channel number 1 - 3
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*/
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static const SubGhzBlockConst ws_protocol_lacrosse_tx141thbv2_const = {
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.te_short = 208,
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.te_long = 417,
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.te_delta = 120,
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.min_count_bit_for_found = 40,
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};
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struct WSProtocolDecoderLaCrosse_TX141THBv2 {
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SubGhzProtocolDecoderBase base;
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SubGhzBlockDecoder decoder;
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WSBlockGeneric generic;
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uint16_t header_count;
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};
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struct WSProtocolEncoderLaCrosse_TX141THBv2 {
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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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LaCrosse_TX141THBv2DecoderStepReset = 0,
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LaCrosse_TX141THBv2DecoderStepCheckPreambule,
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LaCrosse_TX141THBv2DecoderStepSaveDuration,
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LaCrosse_TX141THBv2DecoderStepCheckDuration,
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} LaCrosse_TX141THBv2DecoderStep;
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const SubGhzProtocolDecoder ws_protocol_lacrosse_tx141thbv2_decoder = {
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.alloc = ws_protocol_decoder_lacrosse_tx141thbv2_alloc,
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.free = ws_protocol_decoder_lacrosse_tx141thbv2_free,
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.feed = ws_protocol_decoder_lacrosse_tx141thbv2_feed,
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.reset = ws_protocol_decoder_lacrosse_tx141thbv2_reset,
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.get_hash_data = ws_protocol_decoder_lacrosse_tx141thbv2_get_hash_data,
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.serialize = ws_protocol_decoder_lacrosse_tx141thbv2_serialize,
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.deserialize = ws_protocol_decoder_lacrosse_tx141thbv2_deserialize,
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.get_string = ws_protocol_decoder_lacrosse_tx141thbv2_get_string,
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};
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const SubGhzProtocolEncoder ws_protocol_lacrosse_tx141thbv2_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_lacrosse_tx141thbv2 = {
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.name = WS_PROTOCOL_LACROSSE_TX141THBV2_NAME,
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.type = SubGhzProtocolTypeStatic,
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.flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_315 | SubGhzProtocolFlag_868 |
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SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable |
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SubGhzProtocolFlag_Load | SubGhzProtocolFlag_Save,
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.decoder = &ws_protocol_lacrosse_tx141thbv2_decoder,
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.encoder = &ws_protocol_lacrosse_tx141thbv2_encoder,
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.filter = SubGhzProtocolFilter_Weather,
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};
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void* ws_protocol_decoder_lacrosse_tx141thbv2_alloc(SubGhzEnvironment* environment) {
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UNUSED(environment);
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WSProtocolDecoderLaCrosse_TX141THBv2* instance =
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malloc(sizeof(WSProtocolDecoderLaCrosse_TX141THBv2));
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instance->base.protocol = &ws_protocol_lacrosse_tx141thbv2;
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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_lacrosse_tx141thbv2_free(void* context) {
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furi_assert(context);
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WSProtocolDecoderLaCrosse_TX141THBv2* instance = context;
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free(instance);
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}
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void ws_protocol_decoder_lacrosse_tx141thbv2_reset(void* context) {
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furi_assert(context);
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WSProtocolDecoderLaCrosse_TX141THBv2* instance = context;
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instance->decoder.parser_step = LaCrosse_TX141THBv2DecoderStepReset;
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}
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static bool
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ws_protocol_lacrosse_tx141thbv2_check_crc(WSProtocolDecoderLaCrosse_TX141THBv2* instance) {
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if(!instance->decoder.decode_data) return false;
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uint64_t data = instance->decoder.decode_data;
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if(instance->decoder.decode_count_bit == LACROSSE_TX141TH_BV2_BIT_COUNT) {
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data >>= 1;
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}
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uint8_t msg[] = {data >> 32, data >> 24, data >> 16, data >> 8};
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uint8_t crc = subghz_protocol_blocks_lfsr_digest8_reflect(msg, 4, 0x31, 0xF4);
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return (crc == (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_lacrosse_tx141thbv2_remote_controller(WSBlockGeneric* instance) {
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uint64_t data = instance->data;
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if(instance->data_count_bit == LACROSSE_TX141TH_BV2_BIT_COUNT) {
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data >>= 1;
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}
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instance->id = data >> 32;
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instance->battery_low = (data >> 31) & 1;
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instance->btn = (data >> 30) & 1;
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instance->channel = ((data >> 28) & 0x03) + 1;
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instance->temp = ((float)((data >> 16) & 0x0FFF) - 500.0f) / 10.0f;
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instance->humidity = (data >> 8) & 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 bool ws_protocol_decoder_lacrosse_tx141thbv2_add_bit(
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WSProtocolDecoderLaCrosse_TX141THBv2* instance,
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uint32_t te_last,
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uint32_t te_current) {
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furi_assert(instance);
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bool ret = false;
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if(DURATION_DIFF(
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te_last + te_current,
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ws_protocol_lacrosse_tx141thbv2_const.te_short +
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ws_protocol_lacrosse_tx141thbv2_const.te_long) <
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ws_protocol_lacrosse_tx141thbv2_const.te_delta * 2) {
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if(te_last > te_current) {
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subghz_protocol_blocks_add_bit(&instance->decoder, 1);
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} else {
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subghz_protocol_blocks_add_bit(&instance->decoder, 0);
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}
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ret = true;
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}
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return ret;
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}
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void ws_protocol_decoder_lacrosse_tx141thbv2_feed(void* context, bool level, uint32_t duration) {
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furi_assert(context);
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WSProtocolDecoderLaCrosse_TX141THBv2* instance = context;
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switch(instance->decoder.parser_step) {
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case LaCrosse_TX141THBv2DecoderStepReset:
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if((level) &&
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(DURATION_DIFF(duration, ws_protocol_lacrosse_tx141thbv2_const.te_short * 4) <
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ws_protocol_lacrosse_tx141thbv2_const.te_delta * 2)) {
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instance->decoder.parser_step = LaCrosse_TX141THBv2DecoderStepCheckPreambule;
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instance->decoder.te_last = duration;
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instance->header_count = 0;
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}
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break;
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case LaCrosse_TX141THBv2DecoderStepCheckPreambule:
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if(level) {
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instance->decoder.te_last = duration;
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} else {
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if((DURATION_DIFF(
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instance->decoder.te_last,
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ws_protocol_lacrosse_tx141thbv2_const.te_short * 4) <
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ws_protocol_lacrosse_tx141thbv2_const.te_delta * 2) &&
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(DURATION_DIFF(duration, ws_protocol_lacrosse_tx141thbv2_const.te_short * 4) <
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ws_protocol_lacrosse_tx141thbv2_const.te_delta * 2)) {
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//Found preambule
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instance->header_count++;
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} else if(instance->header_count == 4) {
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if(ws_protocol_decoder_lacrosse_tx141thbv2_add_bit(
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instance, instance->decoder.te_last, duration)) {
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instance->decoder.decode_data = instance->decoder.decode_data & 1;
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instance->decoder.decode_count_bit = 1;
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instance->decoder.parser_step = LaCrosse_TX141THBv2DecoderStepSaveDuration;
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} else {
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instance->decoder.parser_step = LaCrosse_TX141THBv2DecoderStepReset;
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}
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} else {
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instance->decoder.parser_step = LaCrosse_TX141THBv2DecoderStepReset;
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}
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}
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break;
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case LaCrosse_TX141THBv2DecoderStepSaveDuration:
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if(level) {
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instance->decoder.te_last = duration;
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instance->decoder.parser_step = LaCrosse_TX141THBv2DecoderStepCheckDuration;
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} else {
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instance->decoder.parser_step = LaCrosse_TX141THBv2DecoderStepReset;
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}
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break;
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case LaCrosse_TX141THBv2DecoderStepCheckDuration:
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if(!level) {
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if(((DURATION_DIFF(
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instance->decoder.te_last,
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ws_protocol_lacrosse_tx141thbv2_const.te_short * 3) <
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ws_protocol_lacrosse_tx141thbv2_const.te_delta * 2) &&
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(DURATION_DIFF(duration, ws_protocol_lacrosse_tx141thbv2_const.te_short * 4) <
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ws_protocol_lacrosse_tx141thbv2_const.te_delta * 2))) {
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if((instance->decoder.decode_count_bit ==
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ws_protocol_lacrosse_tx141thbv2_const.min_count_bit_for_found) ||
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(instance->decoder.decode_count_bit == LACROSSE_TX141TH_BV2_BIT_COUNT)) {
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if(ws_protocol_lacrosse_tx141thbv2_check_crc(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_lacrosse_tx141thbv2_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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instance->header_count = 1;
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instance->decoder.parser_step = LaCrosse_TX141THBv2DecoderStepCheckPreambule;
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break;
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}
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} else if(ws_protocol_decoder_lacrosse_tx141thbv2_add_bit(
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instance, instance->decoder.te_last, duration)) {
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instance->decoder.parser_step = LaCrosse_TX141THBv2DecoderStepSaveDuration;
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} else {
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instance->decoder.parser_step = LaCrosse_TX141THBv2DecoderStepReset;
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}
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} else {
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instance->decoder.parser_step = LaCrosse_TX141THBv2DecoderStepReset;
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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_lacrosse_tx141thbv2_get_hash_data(void* context) {
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furi_assert(context);
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WSProtocolDecoderLaCrosse_TX141THBv2* 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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SubGhzProtocolStatus ws_protocol_decoder_lacrosse_tx141thbv2_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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WSProtocolDecoderLaCrosse_TX141THBv2* instance = context;
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return ws_block_generic_serialize(&instance->generic, flipper_format, preset);
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}
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SubGhzProtocolStatus ws_protocol_decoder_lacrosse_tx141thbv2_deserialize(
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void* context,
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FlipperFormat* flipper_format) {
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furi_assert(context);
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WSProtocolDecoderLaCrosse_TX141THBv2* instance = context;
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return ws_block_generic_deserialize_check_count_bit(
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&instance->generic,
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flipper_format,
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ws_protocol_lacrosse_tx141thbv2_const.min_count_bit_for_found);
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}
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void ws_protocol_decoder_lacrosse_tx141thbv2_get_string(void* context, FuriString* output) {
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furi_assert(context);
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WSProtocolDecoderLaCrosse_TX141THBv2* instance = context;
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furi_string_cat_printf(
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output,
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"%s\r\n%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 >> 32),
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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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