mirror of
https://github.com/Next-Flip/Momentum-Firmware.git
synced 2026-04-25 03:29:58 -07:00
246 lines
9.1 KiB
C
246 lines
9.1 KiB
C
#include "auriol_ahfl.h"
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#define TAG "WSProtocolAuriol_AHFL"
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/*
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*
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Auriol AHFL 433B2 IPX4 sensor.
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Data layout:
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IIIIIIII-B-X-CC-TTTTTTTTTTTT-HHHHHHH0-FFFF-SSSSSS
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Exmpl.: 10111100-1-0-00-000011101000-01101100-0100-001011
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- I: id, 8 bit
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- B: where B is the battery status: 1=OK, 0=LOW, 1 bit
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- X: tx-button, 1 bit (might not work)
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- C: CC is the channel: 00=CH1, 01=CH2, 11=CH3, 2bit
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- T: temperature, 12 bit: 2's complement, scaled by 10
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- H: humidity, 7 bits data, 1 bit 0
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- F: always 0x4 (0100)
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- S: nibble sum, 6 bits
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* The sensor sends 42 bits 5 times,
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* the packets are ppm modulated (distance coding) with a pulse of ~500 us
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* followed by a short gap of ~1000 us for a 0 bit or a long ~2000 us gap for a
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* 1 bit, the sync gap is ~4000 us.
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*
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*/
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#define AURIOL_AHFL_CONST_DATA 0b0100
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static const SubGhzBlockConst ws_protocol_auriol_ahfl_const = {
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.te_short = 500,
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.te_long = 2000,
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.te_delta = 150,
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.min_count_bit_for_found = 42,
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};
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struct WSProtocolDecoderAuriol_AHFL {
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SubGhzProtocolDecoderBase base;
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SubGhzBlockDecoder decoder;
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WSBlockGeneric generic;
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};
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struct WSProtocolEncoderAuriol_AHFL {
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SubGhzProtocolEncoderBase base;
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SubGhzProtocolEncoder encoder;
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WSBlockGeneric generic;
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};
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typedef enum {
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auriol_AHFLDecoderStepReset = 0,
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auriol_AHFLDecoderStepSaveDuration,
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auriol_AHFLDecoderStepCheckDuration,
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} auriol_AHFLDecoderStep;
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const SubGhzProtocolDecoder ws_protocol_auriol_ahfl_decoder = {
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.alloc = ws_protocol_decoder_auriol_ahfl_alloc,
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.free = ws_protocol_decoder_auriol_ahfl_free,
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.feed = ws_protocol_decoder_auriol_ahfl_feed,
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.reset = ws_protocol_decoder_auriol_ahfl_reset,
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.get_hash_data = NULL,
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.get_hash_data_long = ws_protocol_decoder_auriol_ahfl_get_hash_data,
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.serialize = ws_protocol_decoder_auriol_ahfl_serialize,
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.deserialize = ws_protocol_decoder_auriol_ahfl_deserialize,
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.get_string = ws_protocol_decoder_auriol_ahfl_get_string,
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.get_string_brief = NULL,
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};
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const SubGhzProtocolEncoder ws_protocol_auriol_ahfl_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_auriol_ahfl = {
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.name = WS_PROTOCOL_AURIOL_AHFL_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_auriol_ahfl_decoder,
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.encoder = &ws_protocol_auriol_ahfl_encoder,
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.filter = SubGhzProtocolFilter_Weather,
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};
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void* ws_protocol_decoder_auriol_ahfl_alloc(SubGhzEnvironment* environment) {
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UNUSED(environment);
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WSProtocolDecoderAuriol_AHFL* instance = malloc(sizeof(WSProtocolDecoderAuriol_AHFL));
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instance->base.protocol = &ws_protocol_auriol_ahfl;
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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_auriol_ahfl_free(void* context) {
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furi_assert(context);
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WSProtocolDecoderAuriol_AHFL* instance = context;
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free(instance);
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}
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void ws_protocol_decoder_auriol_ahfl_reset(void* context) {
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furi_assert(context);
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WSProtocolDecoderAuriol_AHFL* instance = context;
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instance->decoder.parser_step = auriol_AHFLDecoderStepReset;
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}
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static bool ws_protocol_auriol_ahfl_check(WSProtocolDecoderAuriol_AHFL* instance) {
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uint8_t type = (instance->decoder.decode_data >> 6) & 0x0F;
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if(type != AURIOL_AHFL_CONST_DATA) {
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// Fail const data check
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return false;
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}
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uint64_t payload = instance->decoder.decode_data >> 6;
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// Checksum is the last 6 bits of data
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uint8_t checksum_received = instance->decoder.decode_data & 0x3F;
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uint8_t checksum_calculated = 0;
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for(uint8_t i = 0; i < 9; i++) {
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checksum_calculated += (payload >> (i * 4)) & 0xF;
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}
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return checksum_received == checksum_calculated;
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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_auriol_ahfl_remote_controller(WSBlockGeneric* instance) {
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instance->id = instance->data >> 34;
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instance->battery_low = (instance->data >> 33) & 1;
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instance->btn = (instance->data >> 32) & 1;
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instance->channel = ((instance->data >> 30) & 0x3) + 1;
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if(!((instance->data >> 29) & 1)) {
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instance->temp = (float)((instance->data >> 18) & 0x07FF) / 10.0f;
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} else {
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instance->temp = (float)((~(instance->data >> 18) & 0x07FF) + 1) / -10.0f;
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}
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instance->humidity = (instance->data >> 11) & 0x7F;
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}
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void ws_protocol_decoder_auriol_ahfl_feed(void* context, bool level, uint32_t duration) {
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furi_assert(context);
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WSProtocolDecoderAuriol_AHFL* instance = context;
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switch(instance->decoder.parser_step) {
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case auriol_AHFLDecoderStepReset:
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if((!level) && (DURATION_DIFF(duration, ws_protocol_auriol_ahfl_const.te_short * 18) <
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ws_protocol_auriol_ahfl_const.te_delta)) {
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//Found syncPrefix
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instance->decoder.parser_step = auriol_AHFLDecoderStepSaveDuration;
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instance->decoder.decode_data = 0;
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instance->decoder.decode_count_bit = 0;
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}
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break;
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case auriol_AHFLDecoderStepSaveDuration:
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if(level) {
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instance->decoder.te_last = duration;
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instance->decoder.parser_step = auriol_AHFLDecoderStepCheckDuration;
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} else {
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instance->decoder.parser_step = auriol_AHFLDecoderStepReset;
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}
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break;
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case auriol_AHFLDecoderStepCheckDuration:
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if(!level) {
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if(DURATION_DIFF(instance->decoder.te_last, ws_protocol_auriol_ahfl_const.te_short) <
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ws_protocol_auriol_ahfl_const.te_delta) {
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if(DURATION_DIFF(duration, ws_protocol_auriol_ahfl_const.te_short * 18) <
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ws_protocol_auriol_ahfl_const.te_delta * 8) {
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//Found syncPostfix
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instance->decoder.parser_step = auriol_AHFLDecoderStepReset;
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if((instance->decoder.decode_count_bit ==
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ws_protocol_auriol_ahfl_const.min_count_bit_for_found) &&
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ws_protocol_auriol_ahfl_check(instance)) {
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instance->generic.data = instance->decoder.decode_data;
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instance->generic.data_count_bit = instance->decoder.decode_count_bit;
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ws_protocol_auriol_ahfl_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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} else if(instance->decoder.decode_count_bit == 1) {
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instance->decoder.parser_step = auriol_AHFLDecoderStepSaveDuration;
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}
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instance->decoder.decode_data = 0;
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instance->decoder.decode_count_bit = 0;
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} else if(
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DURATION_DIFF(duration, ws_protocol_auriol_ahfl_const.te_long) <
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ws_protocol_auriol_ahfl_const.te_delta * 2) {
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subghz_protocol_blocks_add_bit(&instance->decoder, 0);
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instance->decoder.parser_step = auriol_AHFLDecoderStepSaveDuration;
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} else if(
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DURATION_DIFF(duration, ws_protocol_auriol_ahfl_const.te_long * 2) <
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ws_protocol_auriol_ahfl_const.te_delta * 4) {
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subghz_protocol_blocks_add_bit(&instance->decoder, 1);
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instance->decoder.parser_step = auriol_AHFLDecoderStepSaveDuration;
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} else {
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instance->decoder.parser_step = auriol_AHFLDecoderStepReset;
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}
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} else {
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instance->decoder.parser_step = auriol_AHFLDecoderStepReset;
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}
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} else {
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instance->decoder.parser_step = auriol_AHFLDecoderStepReset;
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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_auriol_ahfl_get_hash_data(void* context) {
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furi_assert(context);
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WSProtocolDecoderAuriol_AHFL* 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_auriol_ahfl_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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WSProtocolDecoderAuriol_AHFL* 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_auriol_ahfl_deserialize(void* context, FlipperFormat* flipper_format) {
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furi_assert(context);
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WSProtocolDecoderAuriol_AHFL* instance = context;
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return ws_block_generic_deserialize_check_count_bit(
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&instance->generic, flipper_format, ws_protocol_auriol_ahfl_const.min_count_bit_for_found);
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}
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void ws_protocol_decoder_auriol_ahfl_get_string(void* context, FuriString* output) {
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furi_assert(context);
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WSProtocolDecoderAuriol_AHFL* instance = context;
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ws_block_generic_get_string(&instance->generic, output);
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}
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