308 lines
12 KiB
C
308 lines
12 KiB
C
|
#include "acurite_592txr.h"
|
||
|
|
|
||
|
|
#define TAG "WSProtocolAcurite_592TXR"
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Help
|
||
|
|
* https://github.com/merbanan/rtl_433/blob/5bef4e43133ac4c0e2d18d36f87c52b4f9458453/src/devices/acurite.c
|
||
|
|
*
|
||
|
|
* Acurite 592TXR Temperature Humidity sensor decoder
|
||
|
|
* Message Type 0x04, 7 bytes
|
||
|
|
* | Byte 0 | Byte 1 | Byte 2 | Byte 3 | Byte 4 | Byte 5 | Byte 6 |
|
||
|
|
* | --------- | --------- | --------- | --------- | --------- | --------- | --------- |
|
||
|
|
* | CCII IIII | IIII IIII | pB00 0100 | pHHH HHHH | p??T TTTT | pTTT TTTT | KKKK KKKK |
|
||
|
|
* - C: Channel 00: C, 10: B, 11: A, (01 is invalid)
|
||
|
|
* - I: Device ID (14 bits)
|
||
|
|
* - B: Battery, 1 is battery OK, 0 is battery low
|
||
|
|
* - M: Message type (6 bits), 0x04
|
||
|
|
* - T: Temperature Celsius (11 - 14 bits?), + 1000 * 10
|
||
|
|
* - H: Relative Humidity (%) (7 bits)
|
||
|
|
* - K: Checksum (8 bits)
|
||
|
|
* - p: Parity bit
|
||
|
|
* Notes:
|
||
|
|
* - Temperature
|
||
|
|
* - Encoded as Celsius + 1000 * 10
|
||
|
|
* - only 11 bits needed for specified range -40 C to 70 C (-40 F - 158 F)
|
||
|
|
* - However 14 bits available for temperature, giving possible range of -100 C to 1538.4 C
|
||
|
|
* - @todo - check if high 3 bits ever used for anything else
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
static const SubGhzBlockConst ws_protocol_acurite_592txr_const = {
|
||
|
|
.te_short = 200,
|
||
|
|
.te_long = 400,
|
||
|
|
.te_delta = 90,
|
||
|
|
.min_count_bit_for_found = 56,
|
||
|
|
};
|
||
|
|
|
||
|
|
struct WSProtocolDecoderAcurite_592TXR {
|
||
|
|
SubGhzProtocolDecoderBase base;
|
||
|
|
|
||
|
|
SubGhzBlockDecoder decoder;
|
||
|
|
WSBlockGeneric generic;
|
||
|
|
|
||
|
|
uint16_t header_count;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct WSProtocolEncoderAcurite_592TXR {
|
||
|
|
SubGhzProtocolEncoderBase base;
|
||
|
|
|
||
|
|
SubGhzProtocolBlockEncoder encoder;
|
||
|
|
WSBlockGeneric generic;
|
||
|
|
};
|
||
|
|
|
||
|
|
typedef enum {
|
||
|
|
Acurite_592TXRDecoderStepReset = 0,
|
||
|
|
Acurite_592TXRDecoderStepCheckPreambule,
|
||
|
|
Acurite_592TXRDecoderStepSaveDuration,
|
||
|
|
Acurite_592TXRDecoderStepCheckDuration,
|
||
|
|
} Acurite_592TXRDecoderStep;
|
||
|
|
|
||
|
|
const SubGhzProtocolDecoder ws_protocol_acurite_592txr_decoder = {
|
||
|
|
.alloc = ws_protocol_decoder_acurite_592txr_alloc,
|
||
|
|
.free = ws_protocol_decoder_acurite_592txr_free,
|
||
|
|
|
||
|
|
.feed = ws_protocol_decoder_acurite_592txr_feed,
|
||
|
|
.reset = ws_protocol_decoder_acurite_592txr_reset,
|
||
|
|
|
||
|
|
.get_hash_data = ws_protocol_decoder_acurite_592txr_get_hash_data,
|
||
|
|
.serialize = ws_protocol_decoder_acurite_592txr_serialize,
|
||
|
|
.deserialize = ws_protocol_decoder_acurite_592txr_deserialize,
|
||
|
|
.get_string = ws_protocol_decoder_acurite_592txr_get_string,
|
||
|
|
};
|
||
|
|
|
||
|
|
const SubGhzProtocolEncoder ws_protocol_acurite_592txr_encoder = {
|
||
|
|
.alloc = NULL,
|
||
|
|
.free = NULL,
|
||
|
|
|
||
|
|
.deserialize = NULL,
|
||
|
|
.stop = NULL,
|
||
|
|
.yield = NULL,
|
||
|
|
};
|
||
|
|
|
||
|
|
const SubGhzProtocol ws_protocol_acurite_592txr = {
|
||
|
|
.name = WS_PROTOCOL_ACURITE_592TXR_NAME,
|
||
|
|
.type = SubGhzProtocolWeatherStation,
|
||
|
|
.flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_315 | SubGhzProtocolFlag_868 |
|
||
|
|
SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable,
|
||
|
|
|
||
|
|
.decoder = &ws_protocol_acurite_592txr_decoder,
|
||
|
|
.encoder = &ws_protocol_acurite_592txr_encoder,
|
||
|
|
};
|
||
|
|
|
||
|
|
void* ws_protocol_decoder_acurite_592txr_alloc(SubGhzEnvironment* environment) {
|
||
|
|
UNUSED(environment);
|
||
|
|
WSProtocolDecoderAcurite_592TXR* instance = malloc(sizeof(WSProtocolDecoderAcurite_592TXR));
|
||
|
|
instance->base.protocol = &ws_protocol_acurite_592txr;
|
||
|
|
instance->generic.protocol_name = instance->base.protocol->name;
|
||
|
|
return instance;
|
||
|
|
}
|
||
|
|
|
||
|
|
void ws_protocol_decoder_acurite_592txr_free(void* context) {
|
||
|
|
furi_assert(context);
|
||
|
|
WSProtocolDecoderAcurite_592TXR* instance = context;
|
||
|
|
free(instance);
|
||
|
|
}
|
||
|
|
|
||
|
|
void ws_protocol_decoder_acurite_592txr_reset(void* context) {
|
||
|
|
furi_assert(context);
|
||
|
|
WSProtocolDecoderAcurite_592TXR* instance = context;
|
||
|
|
instance->decoder.parser_step = Acurite_592TXRDecoderStepReset;
|
||
|
|
}
|
||
|
|
|
||
|
|
static bool ws_protocol_acurite_592txr_check_crc(WSProtocolDecoderAcurite_592TXR* instance) {
|
||
|
|
uint8_t msg[] = {
|
||
|
|
instance->decoder.decode_data >> 48,
|
||
|
|
instance->decoder.decode_data >> 40,
|
||
|
|
instance->decoder.decode_data >> 32,
|
||
|
|
instance->decoder.decode_data >> 24,
|
||
|
|
instance->decoder.decode_data >> 16,
|
||
|
|
instance->decoder.decode_data >> 8};
|
||
|
|
|
||
|
|
if((subghz_protocol_blocks_add_bytes(msg, 6) ==
|
||
|
|
(uint8_t)(instance->decoder.decode_data & 0xFF)) &&
|
||
|
|
(!subghz_protocol_blocks_parity_bytes(&msg[2], 4))) {
|
||
|
|
return true;
|
||
|
|
} else {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Analysis of received data
|
||
|
|
* @param instance Pointer to a WSBlockGeneric* instance
|
||
|
|
*/
|
||
|
|
static void ws_protocol_acurite_592txr_remote_controller(WSBlockGeneric* instance) {
|
||
|
|
uint8_t channel[] = {3, 0, 2, 1};
|
||
|
|
uint8_t channel_raw = ((instance->data >> 54) & 0x03);
|
||
|
|
instance->channel = channel[channel_raw];
|
||
|
|
instance->id = (instance->data >> 40) & 0x3FFF;
|
||
|
|
instance->battery_low = !((instance->data >> 38) & 1);
|
||
|
|
instance->humidity = (instance->data >> 24) & 0x7F;
|
||
|
|
|
||
|
|
uint16_t temp_raw = ((instance->data >> 9) & 0xF80) | ((instance->data >> 8) & 0x7F);
|
||
|
|
instance->temp = ((float)(temp_raw)-1000) / 10.0f;
|
||
|
|
|
||
|
|
instance->btn = WS_NO_BTN;
|
||
|
|
}
|
||
|
|
|
||
|
|
void ws_protocol_decoder_acurite_592txr_feed(void* context, bool level, uint32_t duration) {
|
||
|
|
furi_assert(context);
|
||
|
|
WSProtocolDecoderAcurite_592TXR* instance = context;
|
||
|
|
|
||
|
|
switch(instance->decoder.parser_step) {
|
||
|
|
case Acurite_592TXRDecoderStepReset:
|
||
|
|
if((level) && (DURATION_DIFF(duration, ws_protocol_acurite_592txr_const.te_short * 3) <
|
||
|
|
ws_protocol_acurite_592txr_const.te_delta * 2)) {
|
||
|
|
instance->decoder.parser_step = Acurite_592TXRDecoderStepCheckPreambule;
|
||
|
|
instance->decoder.te_last = duration;
|
||
|
|
instance->header_count = 0;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case Acurite_592TXRDecoderStepCheckPreambule:
|
||
|
|
if(level) {
|
||
|
|
instance->decoder.te_last = duration;
|
||
|
|
} else {
|
||
|
|
if((DURATION_DIFF(
|
||
|
|
instance->decoder.te_last, ws_protocol_acurite_592txr_const.te_short * 3) <
|
||
|
|
ws_protocol_acurite_592txr_const.te_delta * 2) &&
|
||
|
|
(DURATION_DIFF(duration, ws_protocol_acurite_592txr_const.te_short * 3) <
|
||
|
|
ws_protocol_acurite_592txr_const.te_delta * 2)) {
|
||
|
|
//Found preambule
|
||
|
|
instance->header_count++;
|
||
|
|
} else if((instance->header_count > 2) && (instance->header_count < 5)) {
|
||
|
|
if((DURATION_DIFF(
|
||
|
|
instance->decoder.te_last, ws_protocol_acurite_592txr_const.te_short) <
|
||
|
|
ws_protocol_acurite_592txr_const.te_delta) &&
|
||
|
|
(DURATION_DIFF(duration, ws_protocol_acurite_592txr_const.te_long) <
|
||
|
|
ws_protocol_acurite_592txr_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 = Acurite_592TXRDecoderStepSaveDuration;
|
||
|
|
} else if(
|
||
|
|
(DURATION_DIFF(
|
||
|
|
instance->decoder.te_last, ws_protocol_acurite_592txr_const.te_long) <
|
||
|
|
ws_protocol_acurite_592txr_const.te_delta) &&
|
||
|
|
(DURATION_DIFF(duration, ws_protocol_acurite_592txr_const.te_short) <
|
||
|
|
ws_protocol_acurite_592txr_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 = Acurite_592TXRDecoderStepSaveDuration;
|
||
|
|
} else {
|
||
|
|
instance->decoder.parser_step = Acurite_592TXRDecoderStepReset;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
instance->decoder.parser_step = Acurite_592TXRDecoderStepReset;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case Acurite_592TXRDecoderStepSaveDuration:
|
||
|
|
if(level) {
|
||
|
|
instance->decoder.te_last = duration;
|
||
|
|
instance->decoder.parser_step = Acurite_592TXRDecoderStepCheckDuration;
|
||
|
|
} else {
|
||
|
|
instance->decoder.parser_step = Acurite_592TXRDecoderStepReset;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case Acurite_592TXRDecoderStepCheckDuration:
|
||
|
|
if(!level) {
|
||
|
|
if(duration >= ((uint32_t)ws_protocol_acurite_592txr_const.te_short * 5)) {
|
||
|
|
if((instance->decoder.decode_count_bit ==
|
||
|
|
ws_protocol_acurite_592txr_const.min_count_bit_for_found) &&
|
||
|
|
ws_protocol_acurite_592txr_check_crc(instance)) {
|
||
|
|
instance->generic.data = instance->decoder.decode_data;
|
||
|
|
instance->generic.data_count_bit = instance->decoder.decode_count_bit;
|
||
|
|
ws_protocol_acurite_592txr_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->decoder.parser_step = Acurite_592TXRDecoderStepReset;
|
||
|
|
break;
|
||
|
|
} else if(
|
||
|
|
(DURATION_DIFF(
|
||
|
|
instance->decoder.te_last, ws_protocol_acurite_592txr_const.te_short) <
|
||
|
|
ws_protocol_acurite_592txr_const.te_delta) &&
|
||
|
|
(DURATION_DIFF(duration, ws_protocol_acurite_592txr_const.te_long) <
|
||
|
|
ws_protocol_acurite_592txr_const.te_delta)) {
|
||
|
|
subghz_protocol_blocks_add_bit(&instance->decoder, 0);
|
||
|
|
instance->decoder.parser_step = Acurite_592TXRDecoderStepSaveDuration;
|
||
|
|
} else if(
|
||
|
|
(DURATION_DIFF(
|
||
|
|
instance->decoder.te_last, ws_protocol_acurite_592txr_const.te_long) <
|
||
|
|
ws_protocol_acurite_592txr_const.te_delta) &&
|
||
|
|
(DURATION_DIFF(duration, ws_protocol_acurite_592txr_const.te_short) <
|
||
|
|
ws_protocol_acurite_592txr_const.te_delta)) {
|
||
|
|
subghz_protocol_blocks_add_bit(&instance->decoder, 1);
|
||
|
|
instance->decoder.parser_step = Acurite_592TXRDecoderStepSaveDuration;
|
||
|
|
} else {
|
||
|
|
instance->decoder.parser_step = Acurite_592TXRDecoderStepReset;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
instance->decoder.parser_step = Acurite_592TXRDecoderStepReset;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
uint8_t ws_protocol_decoder_acurite_592txr_get_hash_data(void* context) {
|
||
|
|
furi_assert(context);
|
||
|
|
WSProtocolDecoderAcurite_592TXR* instance = context;
|
||
|
|
return subghz_protocol_blocks_get_hash_data(
|
||
|
|
&instance->decoder, (instance->decoder.decode_count_bit / 8) + 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
bool ws_protocol_decoder_acurite_592txr_serialize(
|
||
|
|
void* context,
|
||
|
|
FlipperFormat* flipper_format,
|
||
|
|
SubGhzRadioPreset* preset) {
|
||
|
|
furi_assert(context);
|
||
|
|
WSProtocolDecoderAcurite_592TXR* instance = context;
|
||
|
|
return ws_block_generic_serialize(&instance->generic, flipper_format, preset);
|
||
|
|
}
|
||
|
|
|
||
|
|
bool ws_protocol_decoder_acurite_592txr_deserialize(void* context, FlipperFormat* flipper_format) {
|
||
|
|
furi_assert(context);
|
||
|
|
WSProtocolDecoderAcurite_592TXR* 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_592txr_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_592txr_get_string(void* context, FuriString* output) {
|
||
|
|
furi_assert(context);
|
||
|
|
WSProtocolDecoderAcurite_592TXR* 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);
|
||
|
|
}
|