mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-11-27 15:00:46 +00:00
247 lines
9 KiB
C
247 lines
9 KiB
C
#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) {
|
|
if((DURATION_DIFF(duration, ws_protocol_acurite_606tx_const.te_short) <
|
|
ws_protocol_acurite_606tx_const.te_delta) ||
|
|
(duration > ws_protocol_acurite_606tx_const.te_long * 3)) {
|
|
//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;
|
|
} else if(
|
|
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(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;
|
|
}
|
|
} 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:%3.1f 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,
|
|
(double)instance->generic.temp,
|
|
instance->generic.humidity);
|
|
}
|