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https://github.com/Next-Flip/Momentum-Firmware.git
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29df6adb34
* Added EmosE601x and Acurite 5in1 WS * fix descr * Add string_brief placeholder * Keep close to other WS protocols * Update changelog * Format --------- Co-authored-by: Willy-JL <49810075+Willy-JL@users.noreply.github.com>
295 lines
12 KiB
C
295 lines
12 KiB
C
#include "acurite_5n1.h"
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#define TAG "WSProtocolAcurite_5n1"
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/*
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* Help
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* https://github.com/merbanan/rtl_433/blob/master/src/devices/acurite.c
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*
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* Acurite 5n1 Wind Speed Temperature Humidity sensor decoder
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* Message Type 0x38, 8 bytes
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* | Byte 0 | Byte 1 | Byte 2 | Byte 3 | Byte 4 | Byte 5 | Byte 6 | Byte 7 |
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* | --------- | --------- | --------- | --------- | --------- | --------- | --------- | --------- |
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* | CCII IIII | IIII IIII | pB11 1000 | p??W WWWW | pWWW TTTT | pTTT TTTT | pHHH HHHH | KKKK KKKK |
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* - C: Channel 00: C, 10: B, 11: A, (01 is invalid)
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* - I: Device ID (14 bits)
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* - B: Battery, 1 is battery OK, 0 is battery low
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* - M: Message type (6 bits), 0x38
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* - W: Wind Speed (8 bits)
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* - T: Temperature Fahrenheit (11 bits), + 400 * 10
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* - H: Relative Humidity (%) (7 bits)
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* - K: Checksum (8 bits)
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* - p: Parity bit
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* Notes:
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* - Temperature
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* - Encoded as Fahrenheit + 400 * 10
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* - only 11 bits needed for specified range -40 F - 158 F (-40 C to 70 C)
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*
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*/
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static const SubGhzBlockConst ws_protocol_acurite_5n1_const = {
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.te_short = 200,
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.te_long = 400,
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.te_delta = 90,
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.min_count_bit_for_found = 64,
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};
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struct WSProtocolDecoderAcurite_5n1 {
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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 WSProtocolEncoderAcurite_5n1 {
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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_5n1DecoderStepReset = 0,
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Acurite_5n1DecoderStepCheckPreambule,
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Acurite_5n1DecoderStepSaveDuration,
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Acurite_5n1DecoderStepCheckDuration,
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} Acurite_5n1DecoderStep;
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const SubGhzProtocolDecoder ws_protocol_acurite_5n1_decoder = {
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.alloc = ws_protocol_decoder_acurite_5n1_alloc,
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.free = ws_protocol_decoder_acurite_5n1_free,
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.feed = ws_protocol_decoder_acurite_5n1_feed,
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.reset = ws_protocol_decoder_acurite_5n1_reset,
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.get_hash_data = NULL,
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.get_hash_data_long = ws_protocol_decoder_acurite_5n1_get_hash_data,
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.serialize = ws_protocol_decoder_acurite_5n1_serialize,
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.deserialize = ws_protocol_decoder_acurite_5n1_deserialize,
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.get_string = ws_protocol_decoder_acurite_5n1_get_string,
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.get_string_brief = NULL,
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};
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const SubGhzProtocolEncoder ws_protocol_acurite_5n1_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_5n1 = {
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.name = WS_PROTOCOL_ACURITE_5N1_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 | SubGhzProtocolFlag_Load |
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SubGhzProtocolFlag_Save,
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.decoder = &ws_protocol_acurite_5n1_decoder,
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.encoder = &ws_protocol_acurite_5n1_encoder,
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.filter = SubGhzProtocolFilter_Weather,
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};
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void* ws_protocol_decoder_acurite_5n1_alloc(SubGhzEnvironment* environment) {
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UNUSED(environment);
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WSProtocolDecoderAcurite_5n1* instance = malloc(sizeof(WSProtocolDecoderAcurite_5n1));
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instance->base.protocol = &ws_protocol_acurite_5n1;
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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_5n1_free(void* context) {
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furi_assert(context);
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WSProtocolDecoderAcurite_5n1* instance = context;
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free(instance);
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}
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void ws_protocol_decoder_acurite_5n1_reset(void* context) {
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furi_assert(context);
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WSProtocolDecoderAcurite_5n1* instance = context;
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instance->decoder.parser_step = Acurite_5n1DecoderStepReset;
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}
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static bool ws_protocol_acurite_5n1_check_crc(WSProtocolDecoderAcurite_5n1* instance) {
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uint8_t msg[] = {
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instance->decoder.decode_data >> 56,
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instance->decoder.decode_data >> 48,
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instance->decoder.decode_data >> 40,
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instance->decoder.decode_data >> 32,
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instance->decoder.decode_data >> 24,
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instance->decoder.decode_data >> 16,
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instance->decoder.decode_data >> 8};
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if((subghz_protocol_blocks_add_bytes(msg, 7) ==
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(uint8_t)(instance->decoder.decode_data & 0xFF)) &&
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(!subghz_protocol_blocks_parity_bytes(&msg[2], 5))) {
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return true;
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} else {
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return false;
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}
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}
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static bool ws_protocol_acurite_5n1_check_message_type(WSProtocolDecoderAcurite_5n1* instance) {
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if(((instance->decoder.decode_data >> 40) & 0x3F) == 0x38) {
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return true;
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} else {
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return false;
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}
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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_5n1_remote_controller(WSBlockGeneric* instance) {
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uint8_t channel[] = {3, 0, 2, 1};
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uint8_t channel_raw = ((instance->data >> 62) & 0x03);
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instance->channel = channel[channel_raw];
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instance->id = (instance->data >> 48) & 0x3FFF;
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instance->battery_low = !((instance->data >> 46) & 1);
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instance->humidity = (instance->data >> 8) & 0x7F;
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uint16_t temp_raw = ((instance->data >> (24 - 7)) & 0x780) | ((instance->data >> 16) & 0x7F);
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instance->temp = locale_fahrenheit_to_celsius(((float)(temp_raw)-400) / 10.0f);
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instance->btn = WS_NO_BTN;
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}
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void ws_protocol_decoder_acurite_5n1_feed(void* context, bool level, uint32_t duration) {
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furi_assert(context);
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WSProtocolDecoderAcurite_5n1* instance = context;
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switch(instance->decoder.parser_step) {
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case Acurite_5n1DecoderStepReset:
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if((level) && (DURATION_DIFF(duration, ws_protocol_acurite_5n1_const.te_short * 3) <
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ws_protocol_acurite_5n1_const.te_delta * 2)) {
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instance->decoder.parser_step = Acurite_5n1DecoderStepCheckPreambule;
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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 Acurite_5n1DecoderStepCheckPreambule:
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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, ws_protocol_acurite_5n1_const.te_short * 3) <
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ws_protocol_acurite_5n1_const.te_delta * 2) &&
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(DURATION_DIFF(duration, ws_protocol_acurite_5n1_const.te_short * 3) <
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ws_protocol_acurite_5n1_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 > 2) && (instance->header_count < 5)) {
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if((DURATION_DIFF(
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instance->decoder.te_last, ws_protocol_acurite_5n1_const.te_short) <
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ws_protocol_acurite_5n1_const.te_delta) &&
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(DURATION_DIFF(duration, ws_protocol_acurite_5n1_const.te_long) <
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ws_protocol_acurite_5n1_const.te_delta)) {
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instance->decoder.decode_data = 0;
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instance->decoder.decode_count_bit = 0;
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subghz_protocol_blocks_add_bit(&instance->decoder, 0);
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instance->decoder.parser_step = Acurite_5n1DecoderStepSaveDuration;
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} else if(
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(DURATION_DIFF(
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instance->decoder.te_last, ws_protocol_acurite_5n1_const.te_long) <
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ws_protocol_acurite_5n1_const.te_delta) &&
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(DURATION_DIFF(duration, ws_protocol_acurite_5n1_const.te_short) <
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ws_protocol_acurite_5n1_const.te_delta)) {
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instance->decoder.decode_data = 0;
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instance->decoder.decode_count_bit = 0;
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subghz_protocol_blocks_add_bit(&instance->decoder, 1);
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instance->decoder.parser_step = Acurite_5n1DecoderStepSaveDuration;
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} else {
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instance->decoder.parser_step = Acurite_5n1DecoderStepReset;
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}
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} else {
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instance->decoder.parser_step = Acurite_5n1DecoderStepReset;
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}
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}
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break;
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case Acurite_5n1DecoderStepSaveDuration:
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if(level) {
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instance->decoder.te_last = duration;
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instance->decoder.parser_step = Acurite_5n1DecoderStepCheckDuration;
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} else {
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instance->decoder.parser_step = Acurite_5n1DecoderStepReset;
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}
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break;
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case Acurite_5n1DecoderStepCheckDuration:
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if(!level) {
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if(duration >= ((uint32_t)ws_protocol_acurite_5n1_const.te_short * 5)) {
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if((instance->decoder.decode_count_bit ==
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ws_protocol_acurite_5n1_const.min_count_bit_for_found) &&
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ws_protocol_acurite_5n1_check_crc(instance) &&
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ws_protocol_acurite_5n1_check_message_type(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_5n1_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->decoder.parser_step = Acurite_5n1DecoderStepReset;
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break;
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} else if(
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(DURATION_DIFF(instance->decoder.te_last, ws_protocol_acurite_5n1_const.te_short) <
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ws_protocol_acurite_5n1_const.te_delta) &&
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(DURATION_DIFF(duration, ws_protocol_acurite_5n1_const.te_long) <
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ws_protocol_acurite_5n1_const.te_delta)) {
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subghz_protocol_blocks_add_bit(&instance->decoder, 0);
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instance->decoder.parser_step = Acurite_5n1DecoderStepSaveDuration;
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} else if(
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(DURATION_DIFF(instance->decoder.te_last, ws_protocol_acurite_5n1_const.te_long) <
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ws_protocol_acurite_5n1_const.te_delta) &&
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(DURATION_DIFF(duration, ws_protocol_acurite_5n1_const.te_short) <
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ws_protocol_acurite_5n1_const.te_delta)) {
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subghz_protocol_blocks_add_bit(&instance->decoder, 1);
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instance->decoder.parser_step = Acurite_5n1DecoderStepSaveDuration;
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} else {
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instance->decoder.parser_step = Acurite_5n1DecoderStepReset;
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}
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} else {
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instance->decoder.parser_step = Acurite_5n1DecoderStepReset;
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}
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break;
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}
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}
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uint32_t ws_protocol_decoder_acurite_5n1_get_hash_data(void* context) {
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furi_assert(context);
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WSProtocolDecoderAcurite_5n1* instance = context;
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return subghz_protocol_blocks_get_hash_data_long(
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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_acurite_5n1_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_5n1* 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
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ws_protocol_decoder_acurite_5n1_deserialize(void* context, FlipperFormat* flipper_format) {
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furi_assert(context);
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WSProtocolDecoderAcurite_5n1* instance = context;
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return ws_block_generic_deserialize_check_count_bit(
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&instance->generic, flipper_format, ws_protocol_acurite_5n1_const.min_count_bit_for_found);
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}
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void ws_protocol_decoder_acurite_5n1_get_string(void* context, FuriString* output) {
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furi_assert(context);
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WSProtocolDecoderAcurite_5n1* instance = context;
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ws_block_generic_get_string(&instance->generic, output);
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}
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