portapack-mayhem/firmware/baseband/fprotos/w-acurite606tx.hpp

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#ifndef __FPROTO_Acurite_606TX_H__
#define __FPROTO_Acurite_606TX_H__
#include "weatherbase.hpp"
typedef enum {
Acurite_606TXDecoderStepReset = 0,
Acurite_606TXDecoderStepSaveDuration,
Acurite_606TXDecoderStepCheckDuration,
} Acurite_606TXDecoderStep;
class FProtoWeatherAcurite606TX : public FProtoWeatherBase {
public:
FProtoWeatherAcurite606TX() {
sensorType = FPW_Acurite606TX;
}
void feed(bool level, uint32_t duration) {
switch (parser_step) {
case Acurite_606TXDecoderStepReset:
if ((!level) && (DURATION_DIFF(duration, te_short * 17) < te_delta * 8)) {
// Found syncPrefix
parser_step = Acurite_606TXDecoderStepSaveDuration;
decode_data = 0;
decode_count_bit = 0;
}
break;
case Acurite_606TXDecoderStepSaveDuration:
if (level) {
te_last = duration;
parser_step = Acurite_606TXDecoderStepCheckDuration;
} else {
parser_step = Acurite_606TXDecoderStepReset;
}
break;
case Acurite_606TXDecoderStepCheckDuration:
if (!level) {
if (DURATION_DIFF(te_last, te_short) <
te_delta) {
if ((DURATION_DIFF(duration, te_short) <
te_delta) ||
(duration > te_long * 3)) {
// Found syncPostfix
parser_step = Acurite_606TXDecoderStepReset;
if ((decode_count_bit ==
min_count_bit_for_found) &&
ws_protocol_acurite_606tx_check()) {
data = decode_data;
data_count_bit = decode_count_bit;
ws_protocol_acurite_606tx_remote_controller();
if (callback) callback(this);
}
decode_data = 0;
decode_count_bit = 0;
} else if (
DURATION_DIFF(duration, te_long) <
te_delta * 2) {
subghz_protocol_blocks_add_bit(0);
parser_step = Acurite_606TXDecoderStepSaveDuration;
} else if (
DURATION_DIFF(duration, te_long * 2) < te_delta * 4) {
subghz_protocol_blocks_add_bit(1);
parser_step = Acurite_606TXDecoderStepSaveDuration;
} else {
parser_step = Acurite_606TXDecoderStepReset;
}
} else {
parser_step = Acurite_606TXDecoderStepReset;
}
} else {
parser_step = Acurite_606TXDecoderStepReset;
}
break;
}
}
protected:
uint32_t te_short = 500;
uint32_t te_long = 2000;
uint32_t te_delta = 150;
uint32_t min_count_bit_for_found = 32;
void ws_protocol_acurite_606tx_remote_controller() {
id = (data >> 24) & 0xFF;
battery_low = (data >> 23) & 1;
channel = WS_NO_CHANNEL;
if (!((data >> 19) & 1)) {
temp = (float)((data >> 8) & 0x07FF) / 10.0f;
} else {
temp = (float)((~(data >> 8) & 0x07FF) + 1) / -10.0f;
}
btn = WS_NO_BTN;
humidity = WS_NO_HUMIDITY;
}
bool ws_protocol_acurite_606tx_check() {
if (!decode_data) return false;
uint8_t msg[] = {
static_cast<uint8_t>(decode_data >> 24),
static_cast<uint8_t>(decode_data >> 16),
static_cast<uint8_t>(decode_data >> 8)};
uint8_t crc = subghz_protocol_blocks_lfsr_digest8(msg, 3, 0x98, 0xF1);
return (crc == (decode_data & 0xFF));
}
};
#endif