mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-10-01 01:26:06 -04:00
108 lines
4.3 KiB
C++
108 lines
4.3 KiB
C++
|
|
||
|
|
#ifndef __FPROTO_KEELOQ_H__
|
||
|
|
#define __FPROTO_KEELOQ_H__
|
||
|
|
|
||
|
|
#include "subghzdbase.hpp"
|
||
|
|
|
||
|
|
typedef enum : uint8_t {
|
||
|
|
KeeloqDecoderStepReset = 0,
|
||
|
|
KeeloqDecoderStepCheckPreambula,
|
||
|
|
KeeloqDecoderStepSaveDuration,
|
||
|
|
KeeloqDecoderStepCheckDuration,
|
||
|
|
} KeeloqDecoderStep;
|
||
|
|
|
||
|
|
class FProtoSubGhzDKeeLoq : public FProtoSubGhzDBase {
|
||
|
|
public:
|
||
|
|
FProtoSubGhzDKeeLoq() {
|
||
|
|
sensorType = FPS_KEELOQ;
|
||
|
|
te_short = 400;
|
||
|
|
te_long = 800;
|
||
|
|
te_delta = 140;
|
||
|
|
min_count_bit_for_found = 64;
|
||
|
|
}
|
||
|
|
|
||
|
|
void feed(bool level, uint32_t duration) {
|
||
|
|
switch (parser_step) {
|
||
|
|
case KeeloqDecoderStepReset:
|
||
|
|
if ((level) && DURATION_DIFF(duration, te_short) < te_delta) {
|
||
|
|
parser_step = KeeloqDecoderStepCheckPreambula;
|
||
|
|
header_count++;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case KeeloqDecoderStepCheckPreambula:
|
||
|
|
if ((!level) && (DURATION_DIFF(duration, te_short) < te_delta)) {
|
||
|
|
parser_step = KeeloqDecoderStepReset;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if ((header_count > 2) && (DURATION_DIFF(duration, te_short * 10) < te_delta * 10)) {
|
||
|
|
// Found header
|
||
|
|
parser_step = KeeloqDecoderStepSaveDuration;
|
||
|
|
decode_data = 0;
|
||
|
|
decode_count_bit = 0;
|
||
|
|
} else {
|
||
|
|
parser_step = KeeloqDecoderStepReset;
|
||
|
|
header_count = 0;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case KeeloqDecoderStepSaveDuration:
|
||
|
|
if (level) {
|
||
|
|
te_last = duration;
|
||
|
|
parser_step = KeeloqDecoderStepCheckDuration;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case KeeloqDecoderStepCheckDuration:
|
||
|
|
if (!level) {
|
||
|
|
if (duration >= ((uint32_t)te_short * 2 + te_delta)) {
|
||
|
|
// Found end TX
|
||
|
|
parser_step = KeeloqDecoderStepReset;
|
||
|
|
if ((decode_count_bit >= min_count_bit_for_found) &&
|
||
|
|
(decode_count_bit <= min_count_bit_for_found + 2)) {
|
||
|
|
if (data != decode_data) {
|
||
|
|
data = decode_data;
|
||
|
|
data_count_bit = min_count_bit_for_found;
|
||
|
|
// controller
|
||
|
|
uint64_t key = FProtoGeneral::subghz_protocol_blocks_reverse_key(data, data_count_bit);
|
||
|
|
uint32_t key_fix = key >> 32;
|
||
|
|
// uint32_t key_hop = key & 0x00000000ffffffff; //unused
|
||
|
|
serial = key_fix & 0x0FFFFFFF;
|
||
|
|
btn = key_fix >> 28;
|
||
|
|
if (callback) callback(this);
|
||
|
|
}
|
||
|
|
decode_data = 0;
|
||
|
|
decode_count_bit = 0;
|
||
|
|
header_count = 0;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
} else if (
|
||
|
|
(DURATION_DIFF(te_last, te_short) < te_delta) &&
|
||
|
|
(DURATION_DIFF(duration, te_long) < te_delta * 2)) {
|
||
|
|
if (decode_count_bit < min_count_bit_for_found) {
|
||
|
|
subghz_protocol_blocks_add_bit(1);
|
||
|
|
} else {
|
||
|
|
decode_count_bit++;
|
||
|
|
}
|
||
|
|
parser_step = KeeloqDecoderStepSaveDuration;
|
||
|
|
} else if (
|
||
|
|
(DURATION_DIFF(te_last, te_long) < te_delta * 2) &&
|
||
|
|
(DURATION_DIFF(duration, te_short) < te_delta)) {
|
||
|
|
if (decode_count_bit < min_count_bit_for_found) {
|
||
|
|
subghz_protocol_blocks_add_bit(0);
|
||
|
|
} else {
|
||
|
|
decode_count_bit++;
|
||
|
|
}
|
||
|
|
parser_step = KeeloqDecoderStepSaveDuration;
|
||
|
|
} else {
|
||
|
|
parser_step = KeeloqDecoderStepReset;
|
||
|
|
header_count = 0;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
parser_step = KeeloqDecoderStepReset;
|
||
|
|
header_count = 0;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|