diff --git a/applications/plugins/weather_station/helpers/weather_station_types.h b/applications/plugins/weather_station/helpers/weather_station_types.h index a6905e82..275d2332 100644 --- a/applications/plugins/weather_station/helpers/weather_station_types.h +++ b/applications/plugins/weather_station/helpers/weather_station_types.h @@ -3,7 +3,7 @@ #include #include -#define WS_VERSION_APP "0.1" +#define WS_VERSION_APP "0.2" #define WS_DEVELOPED "SkorP" #define WS_GITHUB "https://github.com/flipperdevices/flipperzero-firmware" diff --git a/applications/plugins/weather_station/protocols/acurite_606tx.c b/applications/plugins/weather_station/protocols/acurite_606tx.c new file mode 100644 index 00000000..a92ec243 --- /dev/null +++ b/applications/plugins/weather_station/protocols/acurite_606tx.c @@ -0,0 +1,252 @@ +#include "acurite_606tx.h" + +#define TAG "WSProtocolAcurite_606TX" + +/* + * Help + * https://github.com/merbanan/rtl_433/blob/5bef4e43133ac4c0e2d18d36f87c52b4f9458453/src/devices/acurite.c#L1644 + * + * 0000 1111 | 0011 0000 | 0101 1100 | 1110 0111 + * iiii iiii | buuu tttt | tttt tttt | cccc cccc + * - i: identification; changes on battery switch + * - c: lfsr_digest8; + * - u: unknown; + * - b: battery low; flag to indicate low battery voltage + * - t: Temperature; in °C + * + */ + +static const SubGhzBlockConst ws_protocol_acurite_606tx_const = { + .te_short = 500, + .te_long = 2000, + .te_delta = 150, + .min_count_bit_for_found = 32, +}; + +struct WSProtocolDecoderAcurite_606TX { + SubGhzProtocolDecoderBase base; + + SubGhzBlockDecoder decoder; + WSBlockGeneric generic; +}; + +struct WSProtocolEncoderAcurite_606TX { + SubGhzProtocolEncoderBase base; + + SubGhzProtocolBlockEncoder encoder; + WSBlockGeneric generic; +}; + +typedef enum { + Acurite_606TXDecoderStepReset = 0, + Acurite_606TXDecoderStepSaveDuration, + Acurite_606TXDecoderStepCheckDuration, +} Acurite_606TXDecoderStep; + +const SubGhzProtocolDecoder ws_protocol_acurite_606tx_decoder = { + .alloc = ws_protocol_decoder_acurite_606tx_alloc, + .free = ws_protocol_decoder_acurite_606tx_free, + + .feed = ws_protocol_decoder_acurite_606tx_feed, + .reset = ws_protocol_decoder_acurite_606tx_reset, + + .get_hash_data = ws_protocol_decoder_acurite_606tx_get_hash_data, + .serialize = ws_protocol_decoder_acurite_606tx_serialize, + .deserialize = ws_protocol_decoder_acurite_606tx_deserialize, + .get_string = ws_protocol_decoder_acurite_606tx_get_string, +}; + +const SubGhzProtocolEncoder ws_protocol_acurite_606tx_encoder = { + .alloc = NULL, + .free = NULL, + + .deserialize = NULL, + .stop = NULL, + .yield = NULL, +}; + +const SubGhzProtocol ws_protocol_acurite_606tx = { + .name = WS_PROTOCOL_ACURITE_606TX_NAME, + .type = SubGhzProtocolWeatherStation, + .flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_315 | SubGhzProtocolFlag_868 | + SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable, + + .decoder = &ws_protocol_acurite_606tx_decoder, + .encoder = &ws_protocol_acurite_606tx_encoder, +}; + +void* ws_protocol_decoder_acurite_606tx_alloc(SubGhzEnvironment* environment) { + UNUSED(environment); + WSProtocolDecoderAcurite_606TX* instance = malloc(sizeof(WSProtocolDecoderAcurite_606TX)); + instance->base.protocol = &ws_protocol_acurite_606tx; + instance->generic.protocol_name = instance->base.protocol->name; + return instance; +} + +void ws_protocol_decoder_acurite_606tx_free(void* context) { + furi_assert(context); + WSProtocolDecoderAcurite_606TX* instance = context; + free(instance); +} + +void ws_protocol_decoder_acurite_606tx_reset(void* context) { + furi_assert(context); + WSProtocolDecoderAcurite_606TX* instance = context; + instance->decoder.parser_step = Acurite_606TXDecoderStepReset; +} + +static bool ws_protocol_acurite_606tx_check(WSProtocolDecoderAcurite_606TX* instance) { + if(!instance->decoder.decode_data) return false; + uint8_t msg[] = { + instance->decoder.decode_data >> 24, + instance->decoder.decode_data >> 16, + instance->decoder.decode_data >> 8}; + + uint8_t crc = subghz_protocol_blocks_lfsr_digest8(msg, 3, 0x98, 0xF1); + return (crc == (instance->decoder.decode_data & 0xFF)); +} + +/** + * Analysis of received data + * @param instance Pointer to a WSBlockGeneric* instance + */ +static void ws_protocol_acurite_606tx_remote_controller(WSBlockGeneric* instance) { + instance->id = (instance->data >> 24) & 0xFF; + instance->battery_low = (instance->data >> 23) & 1; + + instance->channel = WS_NO_CHANNEL; + + if(!((instance->data >> 19) & 1)) { + instance->temp = (float)((instance->data >> 8) & 0x07FF) / 10.0f; + } else { + instance->temp = (float)((~(instance->data >> 8) & 0x07FF) + 1) / -10.0f; + } + instance->btn = WS_NO_BTN; + instance->humidity = WS_NO_HUMIDITY; +} + +void ws_protocol_decoder_acurite_606tx_feed(void* context, bool level, uint32_t duration) { + furi_assert(context); + WSProtocolDecoderAcurite_606TX* instance = context; + + switch(instance->decoder.parser_step) { + case Acurite_606TXDecoderStepReset: + if((!level) && (DURATION_DIFF(duration, ws_protocol_acurite_606tx_const.te_short * 17) < + ws_protocol_acurite_606tx_const.te_delta * 8)) { + //Found syncPrefix + instance->decoder.parser_step = Acurite_606TXDecoderStepSaveDuration; + instance->decoder.decode_data = 0; + instance->decoder.decode_count_bit = 0; + } + break; + + case Acurite_606TXDecoderStepSaveDuration: + if(level) { + instance->decoder.te_last = duration; + instance->decoder.parser_step = Acurite_606TXDecoderStepCheckDuration; + } else { + instance->decoder.parser_step = Acurite_606TXDecoderStepReset; + } + break; + + case Acurite_606TXDecoderStepCheckDuration: + if(!level) { + if((DURATION_DIFF(instance->decoder.te_last, ws_protocol_acurite_606tx_const.te_short) < + ws_protocol_acurite_606tx_const.te_delta) && + (DURATION_DIFF(duration, ws_protocol_acurite_606tx_const.te_short) < + ws_protocol_acurite_606tx_const.te_delta)) { + //Found syncPostfix + instance->decoder.parser_step = Acurite_606TXDecoderStepReset; + if((instance->decoder.decode_count_bit == + ws_protocol_acurite_606tx_const.min_count_bit_for_found) && + ws_protocol_acurite_606tx_check(instance)) { + instance->generic.data = instance->decoder.decode_data; + instance->generic.data_count_bit = instance->decoder.decode_count_bit; + ws_protocol_acurite_606tx_remote_controller(&instance->generic); + if(instance->base.callback) + instance->base.callback(&instance->base, instance->base.context); + } + instance->decoder.decode_data = 0; + instance->decoder.decode_count_bit = 0; + + break; + } else if( + (DURATION_DIFF( + instance->decoder.te_last, ws_protocol_acurite_606tx_const.te_short) < + ws_protocol_acurite_606tx_const.te_delta) && + (DURATION_DIFF(duration, ws_protocol_acurite_606tx_const.te_long) < + ws_protocol_acurite_606tx_const.te_delta * 2)) { + subghz_protocol_blocks_add_bit(&instance->decoder, 0); + instance->decoder.parser_step = Acurite_606TXDecoderStepSaveDuration; + } else if( + (DURATION_DIFF( + instance->decoder.te_last, ws_protocol_acurite_606tx_const.te_short) < + ws_protocol_acurite_606tx_const.te_delta) && + (DURATION_DIFF(duration, ws_protocol_acurite_606tx_const.te_long * 2) < + ws_protocol_acurite_606tx_const.te_delta * 4)) { + subghz_protocol_blocks_add_bit(&instance->decoder, 1); + instance->decoder.parser_step = Acurite_606TXDecoderStepSaveDuration; + } else { + instance->decoder.parser_step = Acurite_606TXDecoderStepReset; + } + } else { + instance->decoder.parser_step = Acurite_606TXDecoderStepReset; + } + break; + } +} + +uint8_t ws_protocol_decoder_acurite_606tx_get_hash_data(void* context) { + furi_assert(context); + WSProtocolDecoderAcurite_606TX* instance = context; + return subghz_protocol_blocks_get_hash_data( + &instance->decoder, (instance->decoder.decode_count_bit / 8) + 1); +} + +bool ws_protocol_decoder_acurite_606tx_serialize( + void* context, + FlipperFormat* flipper_format, + SubGhzRadioPreset* preset) { + furi_assert(context); + WSProtocolDecoderAcurite_606TX* instance = context; + return ws_block_generic_serialize(&instance->generic, flipper_format, preset); +} + +bool ws_protocol_decoder_acurite_606tx_deserialize(void* context, FlipperFormat* flipper_format) { + furi_assert(context); + WSProtocolDecoderAcurite_606TX* instance = context; + bool ret = false; + do { + if(!ws_block_generic_deserialize(&instance->generic, flipper_format)) { + break; + } + if(instance->generic.data_count_bit != + ws_protocol_acurite_606tx_const.min_count_bit_for_found) { + FURI_LOG_E(TAG, "Wrong number of bits in key"); + break; + } + ret = true; + } while(false); + return ret; +} + +void ws_protocol_decoder_acurite_606tx_get_string(void* context, FuriString* output) { + furi_assert(context); + WSProtocolDecoderAcurite_606TX* instance = context; + furi_string_printf( + output, + "%s %dbit\r\n" + "Key:0x%lX%08lX\r\n" + "Sn:0x%lX Ch:%d Bat:%d\r\n" + "Temp:%d.%d C Hum:%d%%", + instance->generic.protocol_name, + instance->generic.data_count_bit, + (uint32_t)(instance->generic.data >> 32), + (uint32_t)(instance->generic.data), + instance->generic.id, + instance->generic.channel, + instance->generic.battery_low, + (int16_t)instance->generic.temp, + abs(((int16_t)(instance->generic.temp * 10) - (((int16_t)instance->generic.temp) * 10))), + instance->generic.humidity); +} diff --git a/applications/plugins/weather_station/protocols/acurite_606tx.h b/applications/plugins/weather_station/protocols/acurite_606tx.h new file mode 100644 index 00000000..5bab3bcb --- /dev/null +++ b/applications/plugins/weather_station/protocols/acurite_606tx.h @@ -0,0 +1,79 @@ +#pragma once + +#include + +#include +#include +#include +#include "ws_generic.h" +#include + +#define WS_PROTOCOL_ACURITE_606TX_NAME "Acurite-606TX" + +typedef struct WSProtocolDecoderAcurite_606TX WSProtocolDecoderAcurite_606TX; +typedef struct WSProtocolEncoderAcurite_606TX WSProtocolEncoderAcurite_606TX; + +extern const SubGhzProtocolDecoder ws_protocol_acurite_606tx_decoder; +extern const SubGhzProtocolEncoder ws_protocol_acurite_606tx_encoder; +extern const SubGhzProtocol ws_protocol_acurite_606tx; + +/** + * Allocate WSProtocolDecoderAcurite_606TX. + * @param environment Pointer to a SubGhzEnvironment instance + * @return WSProtocolDecoderAcurite_606TX* pointer to a WSProtocolDecoderAcurite_606TX instance + */ +void* ws_protocol_decoder_acurite_606tx_alloc(SubGhzEnvironment* environment); + +/** + * Free WSProtocolDecoderAcurite_606TX. + * @param context Pointer to a WSProtocolDecoderAcurite_606TX instance + */ +void ws_protocol_decoder_acurite_606tx_free(void* context); + +/** + * Reset decoder WSProtocolDecoderAcurite_606TX. + * @param context Pointer to a WSProtocolDecoderAcurite_606TX instance + */ +void ws_protocol_decoder_acurite_606tx_reset(void* context); + +/** + * Parse a raw sequence of levels and durations received from the air. + * @param context Pointer to a WSProtocolDecoderAcurite_606TX instance + * @param level Signal level true-high false-low + * @param duration Duration of this level in, us + */ +void ws_protocol_decoder_acurite_606tx_feed(void* context, bool level, uint32_t duration); + +/** + * Getting the hash sum of the last randomly received parcel. + * @param context Pointer to a WSProtocolDecoderAcurite_606TX instance + * @return hash Hash sum + */ +uint8_t ws_protocol_decoder_acurite_606tx_get_hash_data(void* context); + +/** + * Serialize data WSProtocolDecoderAcurite_606TX. + * @param context Pointer to a WSProtocolDecoderAcurite_606TX instance + * @param flipper_format Pointer to a FlipperFormat instance + * @param preset The modulation on which the signal was received, SubGhzRadioPreset + * @return true On success + */ +bool ws_protocol_decoder_acurite_606tx_serialize( + void* context, + FlipperFormat* flipper_format, + SubGhzRadioPreset* preset); + +/** + * Deserialize data WSProtocolDecoderAcurite_606TX. + * @param context Pointer to a WSProtocolDecoderAcurite_606TX instance + * @param flipper_format Pointer to a FlipperFormat instance + * @return true On success + */ +bool ws_protocol_decoder_acurite_606tx_deserialize(void* context, FlipperFormat* flipper_format); + +/** + * Getting a textual representation of the received data. + * @param context Pointer to a WSProtocolDecoderAcurite_606TX instance + * @param output Resulting text + */ +void ws_protocol_decoder_acurite_606tx_get_string(void* context, FuriString* output); diff --git a/applications/plugins/weather_station/protocols/infactory.c b/applications/plugins/weather_station/protocols/infactory.c index 525b5557..b08a4e9d 100644 --- a/applications/plugins/weather_station/protocols/infactory.c +++ b/applications/plugins/weather_station/protocols/infactory.c @@ -142,6 +142,7 @@ static bool ws_protocol_infactory_check_crc(WSProtocolDecoderInfactory* instance static void ws_protocol_infactory_remote_controller(WSBlockGeneric* instance) { instance->id = instance->data >> 32; instance->battery_low = (instance->data >> 26) & 1; + instance->btn = WS_NO_BTN; instance->temp = ws_block_generic_fahrenheit_to_celsius( ((float)((instance->data >> 12) & 0x0FFF) - 900.0f) / 10.0f); instance->humidity = diff --git a/applications/plugins/weather_station/protocols/lacrosse_tx141thbv2.c b/applications/plugins/weather_station/protocols/lacrosse_tx141thbv2.c new file mode 100644 index 00000000..828d49be --- /dev/null +++ b/applications/plugins/weather_station/protocols/lacrosse_tx141thbv2.c @@ -0,0 +1,298 @@ +#include "lacrosse_tx141thbv2.h" + +#define TAG "WSProtocolLaCrosse_TX141THBv2" + +/* + * Help + * https://github.com/merbanan/rtl_433/blob/7e83cfd27d14247b6c3c81732bfe4a4f9a974d30/src/devices/lacrosse_tx141x.c + * + * iiii iiii | bkcc tttt | tttt tttt | hhhh hhhh | cccc cccc | u + * - i: identification; changes on battery switch + * - c: lfsr_digest8_reflect; + * - u: unknown; + * - b: battery low; flag to indicate low battery voltage + * - h: Humidity; + * - t: Temperature; in °F as binary number with one decimal place + 50 °F offset + * - n: Channel; Channel number 1 - 3 + */ + +static const SubGhzBlockConst ws_protocol_lacrosse_tx141thbv2_const = { + .te_short = 250, + .te_long = 500, + .te_delta = 120, + .min_count_bit_for_found = 41, +}; + +struct WSProtocolDecoderLaCrosse_TX141THBv2 { + SubGhzProtocolDecoderBase base; + + SubGhzBlockDecoder decoder; + WSBlockGeneric generic; + + uint16_t header_count; +}; + +struct WSProtocolEncoderLaCrosse_TX141THBv2 { + SubGhzProtocolEncoderBase base; + + SubGhzProtocolBlockEncoder encoder; + WSBlockGeneric generic; +}; + +typedef enum { + LaCrosse_TX141THBv2DecoderStepReset = 0, + LaCrosse_TX141THBv2DecoderStepCheckPreambule, + LaCrosse_TX141THBv2DecoderStepSaveDuration, + LaCrosse_TX141THBv2DecoderStepCheckDuration, +} LaCrosse_TX141THBv2DecoderStep; + +const SubGhzProtocolDecoder ws_protocol_lacrosse_tx141thbv2_decoder = { + .alloc = ws_protocol_decoder_lacrosse_tx141thbv2_alloc, + .free = ws_protocol_decoder_lacrosse_tx141thbv2_free, + + .feed = ws_protocol_decoder_lacrosse_tx141thbv2_feed, + .reset = ws_protocol_decoder_lacrosse_tx141thbv2_reset, + + .get_hash_data = ws_protocol_decoder_lacrosse_tx141thbv2_get_hash_data, + .serialize = ws_protocol_decoder_lacrosse_tx141thbv2_serialize, + .deserialize = ws_protocol_decoder_lacrosse_tx141thbv2_deserialize, + .get_string = ws_protocol_decoder_lacrosse_tx141thbv2_get_string, +}; + +const SubGhzProtocolEncoder ws_protocol_lacrosse_tx141thbv2_encoder = { + .alloc = NULL, + .free = NULL, + + .deserialize = NULL, + .stop = NULL, + .yield = NULL, +}; + +const SubGhzProtocol ws_protocol_lacrosse_tx141thbv2 = { + .name = WS_PROTOCOL_LACROSSE_TX141THBV2_NAME, + .type = SubGhzProtocolWeatherStation, + .flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_315 | SubGhzProtocolFlag_868 | + SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable, + + .decoder = &ws_protocol_lacrosse_tx141thbv2_decoder, + .encoder = &ws_protocol_lacrosse_tx141thbv2_encoder, +}; + +void* ws_protocol_decoder_lacrosse_tx141thbv2_alloc(SubGhzEnvironment* environment) { + UNUSED(environment); + WSProtocolDecoderLaCrosse_TX141THBv2* instance = + malloc(sizeof(WSProtocolDecoderLaCrosse_TX141THBv2)); + instance->base.protocol = &ws_protocol_lacrosse_tx141thbv2; + instance->generic.protocol_name = instance->base.protocol->name; + return instance; +} + +void ws_protocol_decoder_lacrosse_tx141thbv2_free(void* context) { + furi_assert(context); + WSProtocolDecoderLaCrosse_TX141THBv2* instance = context; + free(instance); +} + +void ws_protocol_decoder_lacrosse_tx141thbv2_reset(void* context) { + furi_assert(context); + WSProtocolDecoderLaCrosse_TX141THBv2* instance = context; + instance->decoder.parser_step = LaCrosse_TX141THBv2DecoderStepReset; +} + +static bool + ws_protocol_lacrosse_tx141thbv2_check_crc(WSProtocolDecoderLaCrosse_TX141THBv2* instance) { + if(!instance->decoder.decode_data) return false; + uint8_t msg[] = { + instance->decoder.decode_data >> 33, + instance->decoder.decode_data >> 25, + instance->decoder.decode_data >> 17, + instance->decoder.decode_data >> 9}; + + uint8_t crc = subghz_protocol_blocks_lfsr_digest8_reflect(msg, 4, 0x31, 0xF4); + return (crc == ((instance->decoder.decode_data >> 1) & 0xFF)); +} + +/** + * Analysis of received data + * @param instance Pointer to a WSBlockGeneric* instance + */ +static void ws_protocol_lacrosse_tx141thbv2_remote_controller(WSBlockGeneric* instance) { + instance->id = instance->data >> 33; + instance->battery_low = (instance->data >> 32) & 1; + instance->btn = (instance->data >> 31) & 1; + instance->channel = ((instance->data >> 29) & 0x03) + 1; + instance->temp = ((float)((instance->data >> 17) & 0x0FFF) - 500.0f) / 10.0f; + instance->humidity = (instance->data >> 9) & 0xFF; +} + +void ws_protocol_decoder_lacrosse_tx141thbv2_feed(void* context, bool level, uint32_t duration) { + furi_assert(context); + WSProtocolDecoderLaCrosse_TX141THBv2* instance = context; + + switch(instance->decoder.parser_step) { + case LaCrosse_TX141THBv2DecoderStepReset: + if((level) && + (DURATION_DIFF(duration, ws_protocol_lacrosse_tx141thbv2_const.te_short * 3) < + ws_protocol_lacrosse_tx141thbv2_const.te_delta * 2)) { + instance->decoder.parser_step = LaCrosse_TX141THBv2DecoderStepCheckPreambule; + instance->decoder.te_last = duration; + instance->header_count = 0; + } + break; + + case LaCrosse_TX141THBv2DecoderStepCheckPreambule: + if(level) { + instance->decoder.te_last = duration; + } else { + if((DURATION_DIFF( + instance->decoder.te_last, + ws_protocol_lacrosse_tx141thbv2_const.te_short * 3) < + ws_protocol_lacrosse_tx141thbv2_const.te_delta * 2) && + (DURATION_DIFF(duration, ws_protocol_lacrosse_tx141thbv2_const.te_short * 3) < + ws_protocol_lacrosse_tx141thbv2_const.te_delta * 2)) { + //Found preambule + instance->header_count++; + } else if(instance->header_count == 4) { + if((DURATION_DIFF( + instance->decoder.te_last, + ws_protocol_lacrosse_tx141thbv2_const.te_short) < + ws_protocol_lacrosse_tx141thbv2_const.te_delta) && + (DURATION_DIFF(duration, ws_protocol_lacrosse_tx141thbv2_const.te_long) < + ws_protocol_lacrosse_tx141thbv2_const.te_delta)) { + instance->decoder.decode_data = 0; + instance->decoder.decode_count_bit = 0; + subghz_protocol_blocks_add_bit(&instance->decoder, 0); + instance->decoder.parser_step = LaCrosse_TX141THBv2DecoderStepSaveDuration; + } else if( + (DURATION_DIFF( + instance->decoder.te_last, + ws_protocol_lacrosse_tx141thbv2_const.te_long) < + ws_protocol_lacrosse_tx141thbv2_const.te_delta) && + (DURATION_DIFF(duration, ws_protocol_lacrosse_tx141thbv2_const.te_short) < + ws_protocol_lacrosse_tx141thbv2_const.te_delta)) { + instance->decoder.decode_data = 0; + instance->decoder.decode_count_bit = 0; + subghz_protocol_blocks_add_bit(&instance->decoder, 1); + instance->decoder.parser_step = LaCrosse_TX141THBv2DecoderStepSaveDuration; + } else { + instance->decoder.parser_step = LaCrosse_TX141THBv2DecoderStepReset; + } + } else { + instance->decoder.parser_step = LaCrosse_TX141THBv2DecoderStepReset; + } + } + break; + + case LaCrosse_TX141THBv2DecoderStepSaveDuration: + if(level) { + instance->decoder.te_last = duration; + instance->decoder.parser_step = LaCrosse_TX141THBv2DecoderStepCheckDuration; + } else { + instance->decoder.parser_step = LaCrosse_TX141THBv2DecoderStepReset; + } + break; + + case LaCrosse_TX141THBv2DecoderStepCheckDuration: + if(!level) { + if(((DURATION_DIFF( + instance->decoder.te_last, + ws_protocol_lacrosse_tx141thbv2_const.te_short * 3) < + ws_protocol_lacrosse_tx141thbv2_const.te_delta * 2) && + (DURATION_DIFF(duration, ws_protocol_lacrosse_tx141thbv2_const.te_short * 3) < + ws_protocol_lacrosse_tx141thbv2_const.te_delta * 2))) { + if((instance->decoder.decode_count_bit == + ws_protocol_lacrosse_tx141thbv2_const.min_count_bit_for_found) && + ws_protocol_lacrosse_tx141thbv2_check_crc(instance)) { + instance->generic.data = instance->decoder.decode_data; + instance->generic.data_count_bit = instance->decoder.decode_count_bit; + ws_protocol_lacrosse_tx141thbv2_remote_controller(&instance->generic); + if(instance->base.callback) + instance->base.callback(&instance->base, instance->base.context); + } + instance->decoder.decode_data = 0; + instance->decoder.decode_count_bit = 0; + instance->header_count = 1; + instance->decoder.parser_step = LaCrosse_TX141THBv2DecoderStepCheckPreambule; + break; + } else if( + (DURATION_DIFF( + instance->decoder.te_last, ws_protocol_lacrosse_tx141thbv2_const.te_short) < + ws_protocol_lacrosse_tx141thbv2_const.te_delta) && + (DURATION_DIFF(duration, ws_protocol_lacrosse_tx141thbv2_const.te_long) < + ws_protocol_lacrosse_tx141thbv2_const.te_delta)) { + subghz_protocol_blocks_add_bit(&instance->decoder, 0); + instance->decoder.parser_step = LaCrosse_TX141THBv2DecoderStepSaveDuration; + } else if( + (DURATION_DIFF( + instance->decoder.te_last, ws_protocol_lacrosse_tx141thbv2_const.te_long) < + ws_protocol_lacrosse_tx141thbv2_const.te_delta) && + (DURATION_DIFF(duration, ws_protocol_lacrosse_tx141thbv2_const.te_short) < + ws_protocol_lacrosse_tx141thbv2_const.te_delta)) { + subghz_protocol_blocks_add_bit(&instance->decoder, 1); + instance->decoder.parser_step = LaCrosse_TX141THBv2DecoderStepSaveDuration; + } else { + instance->decoder.parser_step = LaCrosse_TX141THBv2DecoderStepReset; + } + } else { + instance->decoder.parser_step = LaCrosse_TX141THBv2DecoderStepReset; + } + break; + } +} + +uint8_t ws_protocol_decoder_lacrosse_tx141thbv2_get_hash_data(void* context) { + furi_assert(context); + WSProtocolDecoderLaCrosse_TX141THBv2* instance = context; + return subghz_protocol_blocks_get_hash_data( + &instance->decoder, (instance->decoder.decode_count_bit / 8) + 1); +} + +bool ws_protocol_decoder_lacrosse_tx141thbv2_serialize( + void* context, + FlipperFormat* flipper_format, + SubGhzRadioPreset* preset) { + furi_assert(context); + WSProtocolDecoderLaCrosse_TX141THBv2* instance = context; + return ws_block_generic_serialize(&instance->generic, flipper_format, preset); +} + +bool ws_protocol_decoder_lacrosse_tx141thbv2_deserialize( + void* context, + FlipperFormat* flipper_format) { + furi_assert(context); + WSProtocolDecoderLaCrosse_TX141THBv2* instance = context; + bool ret = false; + do { + if(!ws_block_generic_deserialize(&instance->generic, flipper_format)) { + break; + } + if(instance->generic.data_count_bit != + ws_protocol_lacrosse_tx141thbv2_const.min_count_bit_for_found) { + FURI_LOG_E(TAG, "Wrong number of bits in key"); + break; + } + ret = true; + } while(false); + return ret; +} + +void ws_protocol_decoder_lacrosse_tx141thbv2_get_string(void* context, FuriString* output) { + furi_assert(context); + WSProtocolDecoderLaCrosse_TX141THBv2* instance = context; + furi_string_printf( + output, + "%s %dbit\r\n" + "Key:0x%lX%08lX\r\n" + "Sn:0x%lX Ch:%d Bat:%d\r\n" + "Temp:%d.%d C Hum:%d%%", + instance->generic.protocol_name, + instance->generic.data_count_bit, + (uint32_t)(instance->generic.data >> 32), + (uint32_t)(instance->generic.data), + instance->generic.id, + instance->generic.channel, + instance->generic.battery_low, + (int16_t)instance->generic.temp, + abs(((int16_t)(instance->generic.temp * 10) - (((int16_t)instance->generic.temp) * 10))), + instance->generic.humidity); +} diff --git a/applications/plugins/weather_station/protocols/lacrosse_tx141thbv2.h b/applications/plugins/weather_station/protocols/lacrosse_tx141thbv2.h new file mode 100644 index 00000000..941b0105 --- /dev/null +++ b/applications/plugins/weather_station/protocols/lacrosse_tx141thbv2.h @@ -0,0 +1,81 @@ +#pragma once + +#include + +#include +#include +#include +#include "ws_generic.h" +#include + +#define WS_PROTOCOL_LACROSSE_TX141THBV2_NAME "TX141THBv2" + +typedef struct WSProtocolDecoderLaCrosse_TX141THBv2 WSProtocolDecoderLaCrosse_TX141THBv2; +typedef struct WSProtocolEncoderLaCrosse_TX141THBv2 WSProtocolEncoderLaCrosse_TX141THBv2; + +extern const SubGhzProtocolDecoder ws_protocol_lacrosse_tx141thbv2_decoder; +extern const SubGhzProtocolEncoder ws_protocol_lacrosse_tx141thbv2_encoder; +extern const SubGhzProtocol ws_protocol_lacrosse_tx141thbv2; + +/** + * Allocate WSProtocolDecoderLaCrosse_TX141THBv2. + * @param environment Pointer to a SubGhzEnvironment instance + * @return WSProtocolDecoderLaCrosse_TX141THBv2* pointer to a WSProtocolDecoderLaCrosse_TX141THBv2 instance + */ +void* ws_protocol_decoder_lacrosse_tx141thbv2_alloc(SubGhzEnvironment* environment); + +/** + * Free WSProtocolDecoderLaCrosse_TX141THBv2. + * @param context Pointer to a WSProtocolDecoderLaCrosse_TX141THBv2 instance + */ +void ws_protocol_decoder_lacrosse_tx141thbv2_free(void* context); + +/** + * Reset decoder WSProtocolDecoderLaCrosse_TX141THBv2. + * @param context Pointer to a WSProtocolDecoderLaCrosse_TX141THBv2 instance + */ +void ws_protocol_decoder_lacrosse_tx141thbv2_reset(void* context); + +/** + * Parse a raw sequence of levels and durations received from the air. + * @param context Pointer to a WSProtocolDecoderLaCrosse_TX141THBv2 instance + * @param level Signal level true-high false-low + * @param duration Duration of this level in, us + */ +void ws_protocol_decoder_lacrosse_tx141thbv2_feed(void* context, bool level, uint32_t duration); + +/** + * Getting the hash sum of the last randomly received parcel. + * @param context Pointer to a WSProtocolDecoderLaCrosse_TX141THBv2 instance + * @return hash Hash sum + */ +uint8_t ws_protocol_decoder_lacrosse_tx141thbv2_get_hash_data(void* context); + +/** + * Serialize data WSProtocolDecoderLaCrosse_TX141THBv2. + * @param context Pointer to a WSProtocolDecoderLaCrosse_TX141THBv2 instance + * @param flipper_format Pointer to a FlipperFormat instance + * @param preset The modulation on which the signal was received, SubGhzRadioPreset + * @return true On success + */ +bool ws_protocol_decoder_lacrosse_tx141thbv2_serialize( + void* context, + FlipperFormat* flipper_format, + SubGhzRadioPreset* preset); + +/** + * Deserialize data WSProtocolDecoderLaCrosse_TX141THBv2. + * @param context Pointer to a WSProtocolDecoderLaCrosse_TX141THBv2 instance + * @param flipper_format Pointer to a FlipperFormat instance + * @return true On success + */ +bool ws_protocol_decoder_lacrosse_tx141thbv2_deserialize( + void* context, + FlipperFormat* flipper_format); + +/** + * Getting a textual representation of the received data. + * @param context Pointer to a WSProtocolDecoderLaCrosse_TX141THBv2 instance + * @param output Resulting text + */ +void ws_protocol_decoder_lacrosse_tx141thbv2_get_string(void* context, FuriString* output); diff --git a/applications/plugins/weather_station/protocols/nexus_th.c b/applications/plugins/weather_station/protocols/nexus_th.c index e40f3348..a2ab0f41 100644 --- a/applications/plugins/weather_station/protocols/nexus_th.c +++ b/applications/plugins/weather_station/protocols/nexus_th.c @@ -127,7 +127,7 @@ static void ws_protocol_nexus_th_remote_controller(WSBlockGeneric* instance) { instance->id = (instance->data >> 28) & 0xFF; instance->battery_low = !((instance->data >> 27) & 1); instance->channel = ((instance->data >> 24) & 0x03) + 1; - + instance->btn = WS_NO_BTN; if(!((instance->data >> 23) & 1)) { instance->temp = (float)((instance->data >> 12) & 0x07FF) / 10.0f; } else { diff --git a/applications/plugins/weather_station/protocols/protocol_items.c b/applications/plugins/weather_station/protocols/protocol_items.c index ea02ec05..5b753994 100644 --- a/applications/plugins/weather_station/protocols/protocol_items.c +++ b/applications/plugins/weather_station/protocols/protocol_items.c @@ -5,6 +5,8 @@ const SubGhzProtocol* weather_station_protocol_registry_items[] = { &ws_protocol_thermopro_tx4, &ws_protocol_nexus_th, &ws_protocol_gt_wt_03, + &ws_protocol_acurite_606tx, + &ws_protocol_lacrosse_tx141thbv2, }; const SubGhzProtocolRegistry weather_station_protocol_registry = { diff --git a/applications/plugins/weather_station/protocols/protocol_items.h b/applications/plugins/weather_station/protocols/protocol_items.h index eac28a23..c4f4ecd9 100644 --- a/applications/plugins/weather_station/protocols/protocol_items.h +++ b/applications/plugins/weather_station/protocols/protocol_items.h @@ -5,5 +5,7 @@ #include "thermopro_tx4.h" #include "nexus_th.h" #include "gt_wt_03.h" +#include "acurite_606tx.h" +#include "lacrosse_tx141thbv2.h" extern const SubGhzProtocolRegistry weather_station_protocol_registry; diff --git a/applications/plugins/weather_station/protocols/ws_generic.c b/applications/plugins/weather_station/protocols/ws_generic.c index 5740750a..17453109 100644 --- a/applications/plugins/weather_station/protocols/ws_generic.c +++ b/applications/plugins/weather_station/protocols/ws_generic.c @@ -105,11 +105,11 @@ bool ws_block_generic_serialize( break; } - // temp_data = instance->btn; - // if(!flipper_format_write_uint32(flipper_format, "Btn", &temp_data, 1)) { - // FURI_LOG_E(TAG, "Unable to add Btn"); - // break; - // } + temp_data = instance->btn; + if(!flipper_format_write_uint32(flipper_format, "Btn", &temp_data, 1)) { + FURI_LOG_E(TAG, "Unable to add Btn"); + break; + } float temp = instance->temp; if(!flipper_format_write_float(flipper_format, "Temp", &temp, 1)) { @@ -174,11 +174,11 @@ bool ws_block_generic_deserialize(WSBlockGeneric* instance, FlipperFormat* flipp } instance->channel = (uint8_t)temp_data; - // if(!flipper_format_read_uint32(flipper_format, "Btn", (uint32_t*)&temp_data, 1)) { - // FURI_LOG_E(TAG, "Missing Btn"); - // break; - // } - // instance->btn = (uint8_t)temp_data; + if(!flipper_format_read_uint32(flipper_format, "Btn", (uint32_t*)&temp_data, 1)) { + FURI_LOG_E(TAG, "Missing Btn"); + break; + } + instance->btn = (uint8_t)temp_data; float temp; if(!flipper_format_read_float(flipper_format, "Temp", (float*)&temp, 1)) { diff --git a/applications/plugins/weather_station/protocols/ws_generic.h b/applications/plugins/weather_station/protocols/ws_generic.h index e0402b81..b2a84df8 100644 --- a/applications/plugins/weather_station/protocols/ws_generic.h +++ b/applications/plugins/weather_station/protocols/ws_generic.h @@ -13,6 +13,13 @@ extern "C" { #endif +#define WS_NO_ID 0xFFFFFFFF +#define WS_NO_BATT 0xFF +#define WS_NO_HUMIDITY 0xFF +#define WS_NO_CHANNEL 0xFF +#define WS_NO_BTN 0xFF +#define WS_NO_TEMPERATURE -273.0f + typedef struct WSBlockGeneric WSBlockGeneric; struct WSBlockGeneric { diff --git a/applications/plugins/weather_station/views/weather_station_receiver_info.c b/applications/plugins/weather_station/views/weather_station_receiver_info.c index 31870627..34ec122d 100644 --- a/applications/plugins/weather_station/views/weather_station_receiver_info.c +++ b/applications/plugins/weather_station/views/weather_station_receiver_info.c @@ -4,7 +4,6 @@ #include "../protocols/ws_generic.h" #include #include -#include "math.h" #define abs(x) ((x) > 0 ? (x) : -(x)) @@ -47,14 +46,26 @@ void ws_view_receiver_info_draw(Canvas* canvas, WSReceiverInfoModel* model) { model->generic->data_count_bit); canvas_draw_str(canvas, 5, 8, buffer); - snprintf(buffer, sizeof(buffer), "Ch: %01d", model->generic->channel); - canvas_draw_str(canvas, 105, 8, buffer); + if(model->generic->channel != WS_NO_CHANNEL) { + snprintf(buffer, sizeof(buffer), "Ch: %01d", model->generic->channel); + canvas_draw_str(canvas, 105, 8, buffer); + } - snprintf(buffer, sizeof(buffer), "Sn: 0x%02lX", model->generic->id); - canvas_draw_str(canvas, 5, 20, buffer); + if(model->generic->id != WS_NO_ID) { + snprintf(buffer, sizeof(buffer), "Sn: 0x%02lX", model->generic->id); + canvas_draw_str(canvas, 5, 20, buffer); + } - snprintf(buffer, sizeof(buffer), "Batt: %s", (!model->generic->battery_low ? "ok" : "low")); - canvas_draw_str(canvas, 85, 20, buffer); + if(model->generic->btn != WS_NO_BTN) { + snprintf(buffer, sizeof(buffer), "Btn: %01d", model->generic->btn); + canvas_draw_str(canvas, 62, 20, buffer); + } + + if(model->generic->battery_low != WS_NO_BATT) { + snprintf( + buffer, sizeof(buffer), "Batt: %s", (!model->generic->battery_low ? "ok" : "low")); + canvas_draw_str(canvas, 90, 20, buffer); + } snprintf(buffer, sizeof(buffer), "Data: 0x%llX", model->generic->data); canvas_draw_str(canvas, 5, 32, buffer); @@ -62,19 +73,23 @@ void ws_view_receiver_info_draw(Canvas* canvas, WSReceiverInfoModel* model) { elements_bold_rounded_frame(canvas, 2, 37, 123, 25); canvas_set_font(canvas, FontPrimary); - canvas_draw_icon(canvas, 13 + 5, 42, &I_Therm_7x16); - snprintf( - buffer, - sizeof(buffer), - "%3.2d.%d C", - (int16_t)model->generic->temp, - abs(((int16_t)(model->generic->temp * 10) - (((int16_t)model->generic->temp) * 10)))); - canvas_draw_str_aligned(canvas, 58 + 5, 46, AlignRight, AlignTop, buffer); - canvas_draw_circle(canvas, 50 + 5, 45, 1); + if(model->generic->temp != WS_NO_TEMPERATURE) { + canvas_draw_icon(canvas, 18, 42, &I_Therm_7x16); + snprintf( + buffer, + sizeof(buffer), + "%3.2d.%d C", + (int16_t)model->generic->temp, + abs(((int16_t)(model->generic->temp * 10) - (((int16_t)model->generic->temp) * 10)))); + canvas_draw_str_aligned(canvas, 63, 46, AlignRight, AlignTop, buffer); + canvas_draw_circle(canvas, 55, 45, 1); + } - canvas_draw_icon(canvas, 70 + 5, 42, &I_Humid_10x15); - snprintf(buffer, sizeof(buffer), "%d%%", model->generic->humidity); - canvas_draw_str(canvas, 86 + 5, 54, buffer); + if(model->generic->humidity != WS_NO_HUMIDITY) { + canvas_draw_icon(canvas, 75, 42, &I_Humid_10x15); + snprintf(buffer, sizeof(buffer), "%d%%", model->generic->humidity); + canvas_draw_str(canvas, 91, 54, buffer); + } } bool ws_view_receiver_info_input(InputEvent* event, void* context) { diff --git a/applications/plugins/weather_station/weather_station_history.c b/applications/plugins/weather_station/weather_station_history.c index 2eddf6cd..b37009c4 100644 --- a/applications/plugins/weather_station/weather_station_history.c +++ b/applications/plugins/weather_station/weather_station_history.c @@ -2,6 +2,7 @@ #include #include #include +#include "protocols/ws_generic.h" #include @@ -224,20 +225,18 @@ WSHistoryStateAddKey for(uint8_t i = 0; i < sizeof(uint64_t); i++) { data = (data << 8) | key_data[i]; } - if(!(uint32_t)(data >> 32)) { - furi_string_printf( - item->item_str, - "%s %lX", - furi_string_get_cstr(instance->tmp_string), - (uint32_t)(data & 0xFFFFFFFF)); - } else { - furi_string_printf( - item->item_str, - "%s %lX%08lX", - furi_string_get_cstr(instance->tmp_string), - (uint32_t)(data >> 32), - (uint32_t)(data & 0xFFFFFFFF)); + uint32_t temp_data = 0; + if(!flipper_format_read_uint32(item->flipper_string, "Ch", (uint32_t*)&temp_data, 1)) { + FURI_LOG_E(TAG, "Missing Channel"); + break; } + if(temp_data != WS_NO_CHANNEL) { + furi_string_cat_printf(instance->tmp_string, " Ch:%X", (uint8_t)temp_data); + } + + furi_string_printf( + item->item_str, "%s %llX", furi_string_get_cstr(instance->tmp_string), data); + } while(false); instance->last_index_write++; return WSHistoryStateAddKeyNewDada; diff --git a/firmware/targets/f7/api_symbols.csv b/firmware/targets/f7/api_symbols.csv index 89f44715..d0dfcbfa 100644 --- a/firmware/targets/f7/api_symbols.csv +++ b/firmware/targets/f7/api_symbols.csv @@ -1,5 +1,5 @@ entry,status,name,type,params -Version,+,3.5,, +Version,+,3.6,, Header,+,applications/services/bt/bt_service/bt.h,, Header,+,applications/services/cli/cli.h,, Header,+,applications/services/cli/cli_vcp.h,, @@ -2271,13 +2271,19 @@ Function,-,subghz_keystore_raw_encrypted_save,_Bool,"const char*, const char*, u Function,-,subghz_keystore_raw_get_data,_Bool,"const char*, size_t, uint8_t*, size_t" Function,-,subghz_keystore_save,_Bool,"SubGhzKeystore*, const char*, uint8_t*" Function,+,subghz_protocol_blocks_add_bit,void,"SubGhzBlockDecoder*, uint8_t" +Function,+,subghz_protocol_blocks_crc16,uint16_t,"const uint8_t[], unsigned, uint16_t, uint16_t" +Function,+,subghz_protocol_blocks_crc16lsb,uint16_t,"const uint8_t[], unsigned, uint16_t, uint16_t" Function,+,subghz_protocol_blocks_crc4,uint8_t,"const uint8_t[], unsigned, uint8_t, uint8_t" Function,+,subghz_protocol_blocks_crc7,uint8_t,"const uint8_t[], unsigned, uint8_t, uint8_t" Function,+,subghz_protocol_blocks_crc8,uint8_t,"const uint8_t[], unsigned, uint8_t, uint8_t" +Function,+,subghz_protocol_blocks_crc8le,uint8_t,"const uint8_t[], unsigned, uint8_t, uint8_t" Function,+,subghz_protocol_blocks_get_bit_array,_Bool,"uint8_t[], size_t" Function,+,subghz_protocol_blocks_get_hash_data,uint8_t,"SubGhzBlockDecoder*, size_t" Function,+,subghz_protocol_blocks_get_parity,uint8_t,"uint64_t, uint8_t" Function,+,subghz_protocol_blocks_get_upload,size_t,"uint8_t[], size_t, LevelDuration*, size_t, uint32_t" +Function,+,subghz_protocol_blocks_lfsr_digest16,uint16_t,"const uint8_t[], unsigned, uint16_t, uint16_t" +Function,+,subghz_protocol_blocks_lfsr_digest8,uint8_t,"const uint8_t[], unsigned, uint8_t, uint8_t" +Function,+,subghz_protocol_blocks_lfsr_digest8_reflect,uint8_t,"const uint8_t[], int, uint8_t, uint8_t" Function,+,subghz_protocol_blocks_reverse_key,uint64_t,"uint64_t, uint8_t" Function,+,subghz_protocol_blocks_set_bit_array,void,"_Bool, uint8_t[], size_t, size_t" Function,-,subghz_protocol_decoder_base_deserialize,_Bool,"SubGhzProtocolDecoderBase*, FlipperFormat*" diff --git a/lib/subghz/blocks/math.c b/lib/subghz/blocks/math.c index 782076e3..588d4eff 100644 --- a/lib/subghz/blocks/math.c +++ b/lib/subghz/blocks/math.c @@ -79,4 +79,141 @@ uint8_t subghz_protocol_blocks_crc8( } } return remainder; +} + +uint8_t subghz_protocol_blocks_crc8le( + uint8_t const message[], + unsigned nBytes, + uint8_t polynomial, + uint8_t init) { + uint8_t remainder = subghz_protocol_blocks_reverse_key(init, 8); + unsigned byte, bit; + polynomial = subghz_protocol_blocks_reverse_key(polynomial, 8); + + for(byte = 0; byte < nBytes; ++byte) { + remainder ^= message[byte]; + for(bit = 0; bit < 8; ++bit) { + if(remainder & 1) { + remainder = (remainder >> 1) ^ polynomial; + } else { + remainder = (remainder >> 1); + } + } + } + return remainder; +} + +uint16_t subghz_protocol_blocks_crc16lsb( + uint8_t const message[], + unsigned nBytes, + uint16_t polynomial, + uint16_t init) { + uint16_t remainder = init; + unsigned byte, bit; + + for(byte = 0; byte < nBytes; ++byte) { + remainder ^= message[byte]; + for(bit = 0; bit < 8; ++bit) { + if(remainder & 1) { + remainder = (remainder >> 1) ^ polynomial; + } else { + remainder = (remainder >> 1); + } + } + } + return remainder; +} + +uint16_t subghz_protocol_blocks_crc16( + uint8_t const message[], + unsigned nBytes, + uint16_t polynomial, + uint16_t init) { + uint16_t remainder = init; + unsigned byte, bit; + + for(byte = 0; byte < nBytes; ++byte) { + remainder ^= message[byte] << 8; + for(bit = 0; bit < 8; ++bit) { + if(remainder & 0x8000) { + remainder = (remainder << 1) ^ polynomial; + } else { + remainder = (remainder << 1); + } + } + } + return remainder; +} + +uint8_t subghz_protocol_blocks_lfsr_digest8( + uint8_t const message[], + unsigned bytes, + uint8_t gen, + uint8_t key) { + uint8_t sum = 0; + for(unsigned k = 0; k < bytes; ++k) { + uint8_t data = message[k]; + for(int i = 7; i >= 0; --i) { + // XOR key into sum if data bit is set + if((data >> i) & 1) sum ^= key; + + // roll the key right (actually the lsb is dropped here) + // and apply the gen (needs to include the dropped lsb as msb) + if(key & 1) + key = (key >> 1) ^ gen; + else + key = (key >> 1); + } + } + return sum; +} + +uint8_t subghz_protocol_blocks_lfsr_digest8_reflect( + uint8_t const message[], + int bytes, + uint8_t gen, + uint8_t key) { + uint8_t sum = 0; + // Process message from last byte to first byte (reflected) + for(int k = bytes - 1; k >= 0; --k) { + uint8_t data = message[k]; + // Process individual bits of each byte (reflected) + for(int i = 0; i < 8; ++i) { + // XOR key into sum if data bit is set + if((data >> i) & 1) { + sum ^= key; + } + + // roll the key left (actually the lsb is dropped here) + // and apply the gen (needs to include the dropped lsb as msb) + if(key & 0x80) + key = (key << 1) ^ gen; + else + key = (key << 1); + } + } + return sum; +} + +uint16_t subghz_protocol_blocks_lfsr_digest16( + uint8_t const message[], + unsigned bytes, + uint16_t gen, + uint16_t key) { + uint16_t sum = 0; + for(unsigned k = 0; k < bytes; ++k) { + uint8_t data = message[k]; + for(int i = 7; i >= 0; --i) { + // if data bit is set then xor with key + if((data >> i) & 1) sum ^= key; + + // roll the key right (actually the lsb is dropped here) + // and apply the gen (needs to include the dropped lsb as msb) + if(key & 1) + key = (key >> 1) ^ gen; + else + key = (key >> 1); + } + } + return sum; } \ No newline at end of file diff --git a/lib/subghz/blocks/math.h b/lib/subghz/blocks/math.h index c312b607..27588948 100644 --- a/lib/subghz/blocks/math.h +++ b/lib/subghz/blocks/math.h @@ -19,7 +19,7 @@ extern "C" { * @param key In data * @param count_bit number of data bits * @return Reverse data - */ + **/ uint64_t subghz_protocol_blocks_reverse_key(uint64_t key, uint8_t count_bit); /** @@ -27,7 +27,7 @@ uint64_t subghz_protocol_blocks_reverse_key(uint64_t key, uint8_t count_bit); * @param key In data * @param count_bit number of data bits * @return parity - */ + **/ uint8_t subghz_protocol_blocks_get_parity(uint64_t key, uint8_t count_bit); /** @@ -37,7 +37,7 @@ uint8_t subghz_protocol_blocks_get_parity(uint64_t key, uint8_t count_bit); * @param polynomial CRC polynomial * @param init starting crc value * @return CRC value - */ + **/ uint8_t subghz_protocol_blocks_crc4( uint8_t const message[], unsigned nBytes, @@ -51,7 +51,7 @@ uint8_t subghz_protocol_blocks_crc4( * @param polynomial CRC polynomial * @param init starting crc value * @return CRC value - */ + **/ uint8_t subghz_protocol_blocks_crc7( uint8_t const message[], unsigned nBytes, @@ -67,13 +67,100 @@ uint8_t subghz_protocol_blocks_crc7( * @param polynomial byte is from x^7 to x^0 (x^8 is implicitly one) * @param init starting crc value * @return CRC value - */ + **/ uint8_t subghz_protocol_blocks_crc8( uint8_t const message[], unsigned nBytes, uint8_t polynomial, uint8_t init); +/** + * "Little-endian" Cyclic Redundancy Check CRC-8 LE + * Input and output are reflected, i.e. least significant bit is shifted in first. + * @param message array of bytes to check + * @param nBytes number of bytes in message + * @param polynomial CRC polynomial + * @param init starting crc value + * @return CRC value + **/ +uint8_t subghz_protocol_blocks_crc8le( + uint8_t const message[], + unsigned nBytes, + uint8_t polynomial, + uint8_t init); + +/** + * CRC-16 LSB. + * Input and output are reflected, i.e. least significant bit is shifted in first. + * Note that poly and init already need to be reflected. + * @param message array of bytes to check + * @param nBytes number of bytes in message + * @param polynomial CRC polynomial + * @param init starting crc value + * @return CRC value + **/ +uint16_t subghz_protocol_blocks_crc16lsb( + uint8_t const message[], + unsigned nBytes, + uint16_t polynomial, + uint16_t init); + +/** + * CRC-16. + * @param message array of bytes to check + * @param nBytes number of bytes in message + * @param polynomial CRC polynomial + * @param init starting crc value + * @return CRC value + **/ +uint16_t subghz_protocol_blocks_crc16( + uint8_t const message[], + unsigned nBytes, + uint16_t polynomial, + uint16_t init); + +/** + * Digest-8 by "LFSR-based Toeplitz hash". + * @param message bytes of message data + * @param bytes number of bytes to digest + * @param gen key stream generator, needs to includes the MSB if the LFSR is rolling + * @param key initial key + * @return digest value + **/ +uint8_t subghz_protocol_blocks_lfsr_digest8( + uint8_t const message[], + unsigned bytes, + uint8_t gen, + uint8_t key); + +/** + * Digest-8 by "LFSR-based Toeplitz hash", byte reflect, bit reflect. + * @param message bytes of message data + * @param bytes number of bytes to digest + * @param gen key stream generator, needs to includes the MSB if the LFSR is rolling + * @param key initial key + * @return digest value + **/ +uint8_t subghz_protocol_blocks_lfsr_digest8_reflect( + uint8_t const message[], + int bytes, + uint8_t gen, + uint8_t key); + +/** + * Digest-16 by "LFSR-based Toeplitz hash". + * @param message bytes of message data + * @param bytes number of bytes to digest + * @param gen key stream generator, needs to includes the MSB if the LFSR is rolling + * @param key initial key + * @return digest value + **/ +uint16_t subghz_protocol_blocks_lfsr_digest16( + uint8_t const message[], + unsigned bytes, + uint16_t gen, + uint16_t key); + #ifdef __cplusplus } #endif