portapack-mayhem/firmware/baseband/fprotos/s-megacode.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

95 lines
3.3 KiB
C++

#ifndef __FPROTO_MEGACODE_H__
#define __FPROTO_MEGACODE_H__
#include "subghzdbase.hpp"
typedef enum : uint8_t {
MegaCodeDecoderStepReset = 0,
MegaCodeDecoderStepFoundStartBit,
MegaCodeDecoderStepSaveDuration,
MegaCodeDecoderStepCheckDuration,
} MegaCodeDecoderStep;
class FProtoSubGhzDMegacode : public FProtoSubGhzDBase {
public:
FProtoSubGhzDMegacode() {
sensorType = FPS_MEGACODE;
te_short = 1000;
te_long = 1000;
te_delta = 200;
min_count_bit_for_found = 24;
}
void feed(bool level, uint32_t duration) {
switch (parser_step) {
case MegaCodeDecoderStepReset:
if ((!level) && (DURATION_DIFF(duration, te_short * 13) < te_delta * 17)) { // 10..16ms
// Found header MegaCode
parser_step = MegaCodeDecoderStepFoundStartBit;
}
break;
case MegaCodeDecoderStepFoundStartBit:
if (level && (DURATION_DIFF(duration, te_short) < te_delta)) {
// Found start bit MegaCode
parser_step = MegaCodeDecoderStepSaveDuration;
decode_data = 0;
decode_count_bit = 0;
subghz_protocol_blocks_add_bit(1);
last_bit = 1;
} else {
parser_step = MegaCodeDecoderStepReset;
}
break;
case MegaCodeDecoderStepSaveDuration:
if (!level) { // save interval
if (duration >= (te_short * 10)) {
parser_step = MegaCodeDecoderStepReset;
if (decode_count_bit ==
min_count_bit_for_found) {
data_count_bit = decode_count_bit;
if (callback) callback(this);
}
break;
}
if (!last_bit) {
te_last = duration - te_short * 3;
} else {
te_last = duration;
}
parser_step = MegaCodeDecoderStepCheckDuration;
} else {
parser_step = MegaCodeDecoderStepReset;
}
break;
case MegaCodeDecoderStepCheckDuration:
if (level) {
if ((DURATION_DIFF(te_last, te_short * 5) < te_delta * 5) &&
(DURATION_DIFF(duration, te_short) < te_delta)) {
subghz_protocol_blocks_add_bit(1);
last_bit = 1;
parser_step = MegaCodeDecoderStepSaveDuration;
} else if (
(DURATION_DIFF(te_last, te_short * 2) < te_delta * 2) &&
(DURATION_DIFF(duration, te_short) < te_delta)) {
subghz_protocol_blocks_add_bit(0);
last_bit = 0;
parser_step = MegaCodeDecoderStepSaveDuration;
} else
parser_step = MegaCodeDecoderStepReset;
} else {
parser_step = MegaCodeDecoderStepReset;
}
break;
}
}
protected:
uint8_t last_bit = false;
};
#endif