portapack-mayhem/firmware/baseband/fprotos/s-princeton.hpp
2023-12-08 23:06:46 +01:00

111 lines
4.0 KiB
C++

#ifndef __FPROTO_PRINCETON_H__
#define __FPROTO_PRINCETON_H__
#include "subghzdbase.hpp"
typedef enum {
PrincetonDecoderStepReset = 0,
PrincetonDecoderStepSaveDuration,
PrincetonDecoderStepCheckDuration,
} PrincetonDecoderStep;
class FProtoSubGhzDPrinceton : public FProtoSubGhzDBase {
public:
FProtoSubGhzDPrinceton() {
sensorType = FPS_PRINCETON;
}
void feed(bool level, uint32_t duration) {
switch (parser_step) {
case PrincetonDecoderStepReset:
if ((!level) && (DURATION_DIFF(duration, te_short * 36) < te_delta * 36)) {
// Found Preambula
parser_step = PrincetonDecoderStepSaveDuration;
decode_data = 0;
decode_count_bit = 0;
te = 0;
}
break;
case PrincetonDecoderStepSaveDuration:
// save duration
if (level) {
te_last = duration;
te += duration;
parser_step = PrincetonDecoderStepCheckDuration;
}
break;
case PrincetonDecoderStepCheckDuration:
if (!level) {
if (duration >= ((uint32_t)te_long * 2)) {
parser_step = PrincetonDecoderStepSaveDuration;
if (decode_count_bit ==
min_count_bit_for_found) {
if ((last_data == decode_data) &&
last_data) {
te /= (decode_count_bit * 4 + 1);
data = decode_data;
data_count_bit = decode_count_bit;
if (callback) callback(this);
}
last_data = decode_data;
}
decode_data = 0;
decode_count_bit = 0;
te = 0;
break;
}
te += duration;
if ((DURATION_DIFF(te_last, te_short) <
te_delta) &&
(DURATION_DIFF(duration, te_long) <
te_delta * 3)) {
subghz_protocol_blocks_add_bit(0);
parser_step = PrincetonDecoderStepSaveDuration;
} else if (
(DURATION_DIFF(te_last, te_long) <
te_delta * 3) &&
(DURATION_DIFF(duration, te_short) <
te_delta)) {
subghz_protocol_blocks_add_bit(1);
parser_step = PrincetonDecoderStepSaveDuration;
} else {
parser_step = PrincetonDecoderStepReset;
}
} else {
parser_step = PrincetonDecoderStepReset;
}
break;
}
}
void subghz_protocol_princeton_check_remote_controller() {
serial = data >> 4;
btn = data & 0xF;
}
void get_string(std::string& output) {
subghz_protocol_princeton_check_remote_controller();
uint32_t data_rev = FProtoGeneral::subghz_protocol_blocks_reverse_key(data, data_count_bit);
/* output = to_string_dec_uint(data_count_bit) + " bit\r\n";
output += "Key: " + to_string_hex((uint32_t)(data & 0xFFFFFF)) + "\r\n";
output += "Yek: " + to_string_hex(data_rev) + "\r\n";
output += "SN: " + to_string_dec_uint(serial) + "\r\n";
output += "BTN: " + to_string_dec_uint(btn) + "\r\n";
output += "TE: " + to_string_dec_uint(te) + "\r\n"; */
}
protected:
uint32_t te_short = 390;
uint32_t te_long = 1170;
uint32_t te_delta = 300;
uint32_t min_count_bit_for_found = 24;
uint32_t te = 0;
uint32_t last_data = 0;
};
#endif