portapack-mayhem/firmware/baseband/fprotos/w-tx8300.hpp
Totoo e6afd7744d
SubghzD & Weather improvments (#2237)
* Weather restructure

* Added Solight TE44 protocol

* Add disabled Marantec24, and GangQi

* More opt in subghzd
2024-09-06 20:23:11 +02:00

120 lines
4.1 KiB
C++

#ifndef __FPROTO_TX8300_H__
#define __FPROTO_TX8300_H__
#include "weatherbase.hpp"
typedef enum {
TX_8300DecoderStepReset = 0,
TX_8300DecoderStepCheckPreambule,
TX_8300DecoderStepSaveDuration,
TX_8300DecoderStepCheckDuration,
} TX_8300DecoderStep;
#define TX_8300_PACKAGE_SIZE 32
class FProtoWeatherTX8300 : public FProtoWeatherBase {
public:
FProtoWeatherTX8300() {
sensorType = FPW_TX_8300;
}
void feed(bool level, uint32_t duration) override {
switch (parser_step) {
case TX_8300DecoderStepReset:
if ((level) && (DURATION_DIFF(duration, te_short * 2) < te_delta)) {
parser_step = TX_8300DecoderStepCheckPreambule;
}
break;
case TX_8300DecoderStepCheckPreambule:
if ((!level) && ((DURATION_DIFF(duration, te_short * 2) < te_delta) ||
(DURATION_DIFF(duration, te_short * 3) < te_delta))) {
parser_step = TX_8300DecoderStepSaveDuration;
decode_data = 0;
decode_count_bit = 1;
package_1 = 0;
package_2 = 0;
} else {
parser_step = TX_8300DecoderStepReset;
}
break;
case TX_8300DecoderStepSaveDuration:
if (level) {
te_last = duration;
parser_step = TX_8300DecoderStepCheckDuration;
} else {
parser_step = TX_8300DecoderStepReset;
}
break;
case TX_8300DecoderStepCheckDuration:
if (!level) {
if (duration >= ((uint32_t)te_short * 5)) {
// Found syncPostfix
if ((decode_count_bit == min_count_bit_for_found) && ws_protocol_tx_8300_check_crc()) {
decode_data = package_1;
if (callback) callback(this);
}
decode_data = 0;
decode_count_bit = 1;
parser_step = TX_8300DecoderStepReset;
break;
} else if (
(DURATION_DIFF(te_last, te_short) <
te_delta) &&
(DURATION_DIFF(duration, te_long) <
te_delta * 2)) {
subghz_protocol_blocks_add_bit(1);
parser_step = TX_8300DecoderStepSaveDuration;
} else if (
(DURATION_DIFF(te_last, te_short) <
te_delta) &&
(DURATION_DIFF(duration, te_short) <
te_delta)) {
subghz_protocol_blocks_add_bit(0);
parser_step = TX_8300DecoderStepSaveDuration;
} else {
parser_step = TX_8300DecoderStepReset;
}
if (decode_count_bit == TX_8300_PACKAGE_SIZE) {
package_1 = decode_data;
decode_data = 0;
} else if (decode_count_bit == TX_8300_PACKAGE_SIZE * 2) {
package_2 = decode_data;
decode_data = 0;
}
} else {
parser_step = TX_8300DecoderStepReset;
}
break;
}
}
protected:
// timing values
uint32_t te_short = 1940;
uint32_t te_long = 3880;
uint32_t te_delta = 250;
uint32_t min_count_bit_for_found = 72;
uint32_t package_1{0};
uint32_t package_2{0};
bool ws_protocol_tx_8300_check_crc() {
if (!package_2) return false;
if (package_1 != ~package_2) return false;
uint16_t x = 0;
uint16_t y = 0;
for (int i = 0; i < 32; i += 4) {
x += (package_1 >> i) & 0x0F;
y += (package_1 >> i) & 0x05;
}
uint8_t crc = (~x & 0xF) << 4 | (~y & 0xF);
return (crc == (decode_data & 0xFF));
}
};
#endif