mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-12-11 00:34:29 -05:00
86 lines
3.1 KiB
C++
86 lines
3.1 KiB
C++
|
|
#ifndef __FPROTO_LINEAR_H__
|
|
#define __FPROTO_LINEAR_H__
|
|
|
|
#include "subghzdbase.hpp"
|
|
|
|
typedef enum : uint8_t {
|
|
LinearDecoderStepReset = 0,
|
|
LinearDecoderStepSaveDuration,
|
|
LinearDecoderStepCheckDuration,
|
|
} LinearDecoderStep;
|
|
|
|
class FProtoSubGhzDLinear : public FProtoSubGhzDBase {
|
|
public:
|
|
FProtoSubGhzDLinear() {
|
|
sensorType = FPS_LINEAR;
|
|
te_short = 500;
|
|
te_long = 1500;
|
|
te_delta = 150;
|
|
min_count_bit_for_found = 10;
|
|
}
|
|
|
|
void feed(bool level, uint32_t duration) {
|
|
switch (parser_step) {
|
|
case LinearDecoderStepReset:
|
|
if ((!level) && (DURATION_DIFF(duration, te_short * 42) < te_delta * 20)) {
|
|
// Found header Linear
|
|
decode_data = 0;
|
|
decode_count_bit = 0;
|
|
parser_step = LinearDecoderStepSaveDuration;
|
|
}
|
|
break;
|
|
case LinearDecoderStepSaveDuration:
|
|
if (level) {
|
|
te_last = duration;
|
|
parser_step = LinearDecoderStepCheckDuration;
|
|
} else {
|
|
parser_step = LinearDecoderStepReset;
|
|
}
|
|
break;
|
|
case LinearDecoderStepCheckDuration:
|
|
if (!level) { // save interval
|
|
if (duration >= (te_short * 5)) {
|
|
parser_step = LinearDecoderStepReset;
|
|
// checking that the duration matches the guardtime
|
|
if ((DURATION_DIFF(duration, te_short * 42) > te_delta * 20)) {
|
|
break;
|
|
}
|
|
if (DURATION_DIFF(te_last, te_short) < te_delta) {
|
|
subghz_protocol_blocks_add_bit(0);
|
|
} else if (
|
|
DURATION_DIFF(te_last, te_long) <
|
|
te_delta) {
|
|
subghz_protocol_blocks_add_bit(1);
|
|
}
|
|
if (decode_count_bit == min_count_bit_for_found) {
|
|
data = decode_data;
|
|
data_count_bit = decode_count_bit;
|
|
if (callback) callback(this);
|
|
}
|
|
break;
|
|
}
|
|
|
|
if ((DURATION_DIFF(te_last, te_short) < te_delta) &&
|
|
(DURATION_DIFF(duration, te_long) < te_delta)) {
|
|
subghz_protocol_blocks_add_bit(0);
|
|
parser_step = LinearDecoderStepSaveDuration;
|
|
} else if (
|
|
(DURATION_DIFF(te_last, te_long) < te_delta) &&
|
|
(DURATION_DIFF(duration, te_short) < te_delta)) {
|
|
subghz_protocol_blocks_add_bit(1);
|
|
parser_step = LinearDecoderStepSaveDuration;
|
|
} else {
|
|
parser_step = LinearDecoderStepReset;
|
|
}
|
|
|
|
} else {
|
|
parser_step = LinearDecoderStepReset;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
};
|
|
|
|
#endif
|