mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-10-01 01:26:06 -04:00
88 lines
3.3 KiB
C++
88 lines
3.3 KiB
C++
|
|
#ifndef __FPROTO_HOLTEKTH12X_H__
|
|
#define __FPROTO_HOLTEKTH12X_H__
|
|
|
|
#include "subghzdbase.hpp"
|
|
|
|
typedef enum : uint8_t {
|
|
Holtek_HT12XDecoderStepReset = 0,
|
|
Holtek_HT12XDecoderStepFoundStartBit,
|
|
Holtek_HT12XDecoderStepSaveDuration,
|
|
Holtek_HT12XDecoderStepCheckDuration,
|
|
} Holtek_HT12XDecoderStep;
|
|
|
|
class FProtoSubGhzDHoltekHt12x : public FProtoSubGhzDBase {
|
|
public:
|
|
FProtoSubGhzDHoltekHt12x() {
|
|
sensorType = FPS_HOLTEKHT12X;
|
|
te_short = 320;
|
|
te_long = 640;
|
|
te_delta = 200;
|
|
min_count_bit_for_found = 12;
|
|
}
|
|
|
|
void feed(bool level, uint32_t duration) {
|
|
switch (parser_step) {
|
|
case Holtek_HT12XDecoderStepReset:
|
|
if ((!level) && (DURATION_DIFF(duration, te_short * 36) < te_delta * 36)) {
|
|
// Found Preambula
|
|
parser_step = Holtek_HT12XDecoderStepFoundStartBit;
|
|
}
|
|
break;
|
|
case Holtek_HT12XDecoderStepFoundStartBit:
|
|
if ((level) && (DURATION_DIFF(duration, te_short) < te_delta)) {
|
|
// Found StartBit
|
|
parser_step = Holtek_HT12XDecoderStepSaveDuration;
|
|
decode_data = 0;
|
|
decode_count_bit = 0;
|
|
} else {
|
|
parser_step = Holtek_HT12XDecoderStepReset;
|
|
}
|
|
break;
|
|
case Holtek_HT12XDecoderStepSaveDuration:
|
|
// save duration
|
|
if (!level) {
|
|
if (duration >= ((uint32_t)te_short * 10 + te_delta)) {
|
|
if (decode_count_bit == min_count_bit_for_found) {
|
|
if (data != decode_data) {
|
|
data = decode_data;
|
|
data_count_bit = decode_count_bit;
|
|
if (callback) callback(this);
|
|
}
|
|
}
|
|
decode_data = 0;
|
|
decode_count_bit = 0;
|
|
parser_step = Holtek_HT12XDecoderStepFoundStartBit;
|
|
break;
|
|
} else {
|
|
te_last = duration;
|
|
parser_step = Holtek_HT12XDecoderStepCheckDuration;
|
|
}
|
|
} else {
|
|
parser_step = Holtek_HT12XDecoderStepReset;
|
|
}
|
|
break;
|
|
case Holtek_HT12XDecoderStepCheckDuration:
|
|
if (level) {
|
|
if ((DURATION_DIFF(te_last, te_long) < te_delta * 2) &&
|
|
(DURATION_DIFF(duration, te_short) < te_delta)) {
|
|
subghz_protocol_blocks_add_bit(1);
|
|
parser_step = Holtek_HT12XDecoderStepSaveDuration;
|
|
} else if (
|
|
(DURATION_DIFF(te_last, te_short) < te_delta) &&
|
|
(DURATION_DIFF(duration, te_long) < te_delta * 2)) {
|
|
subghz_protocol_blocks_add_bit(0);
|
|
parser_step = Holtek_HT12XDecoderStepSaveDuration;
|
|
} else {
|
|
parser_step = Holtek_HT12XDecoderStepReset;
|
|
}
|
|
} else {
|
|
parser_step = Holtek_HT12XDecoderStepReset;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
};
|
|
|
|
#endif
|