portapack-mayhem/firmware/baseband/fprotos/s-marantec.hpp

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#ifndef __FPROTO_MARANTEC_H__
#define __FPROTO_MARANTEC_H__
#include "subghzdbase.hpp"
typedef enum : uint8_t {
MarantecDecoderStepReset = 0,
MarantecDecoderFoundHeader,
MarantecDecoderStepDecoderData,
} MarantecDecoderStep;
class FProtoSubGhzDMarantec : public FProtoSubGhzDBase {
public:
FProtoSubGhzDMarantec() {
sensorType = FPS_MARANTEC;
te_short = 1000;
te_long = 2000;
te_delta = 200;
min_count_bit_for_found = 49;
}
void feed(bool level, uint32_t duration) {
ManchesterEvent event = ManchesterEventReset;
switch (parser_step) {
case MarantecDecoderStepReset:
if ((!level) && (DURATION_DIFF(duration, te_long * 5) < te_delta * 8)) {
// Found header marantec
parser_step = MarantecDecoderStepDecoderData;
decode_data = 1;
decode_count_bit = 1;
FProtoGeneral::manchester_advance(manchester_saved_state, ManchesterEventReset, &manchester_saved_state, NULL);
}
break;
case MarantecDecoderStepDecoderData:
if (!level) {
if (DURATION_DIFF(duration, te_short) < te_delta) {
event = ManchesterEventShortLow;
} else if (
DURATION_DIFF(duration, te_long) < te_delta) {
event = ManchesterEventLongLow;
} else if (
duration >= ((uint32_t)te_long * 2 + te_delta)) {
if (decode_count_bit == min_count_bit_for_found) {
data = decode_data;
data_count_bit = decode_count_bit;
// controller
btn = (data >> 16) & 0xF;
serial = ((data >> 12) & 0xFFFFFF00) | ((data >> 8) & 0xFF);
if (callback) callback(this);
}
decode_data = 1;
decode_count_bit = 1;
FProtoGeneral::manchester_advance(manchester_saved_state, ManchesterEventReset, &manchester_saved_state, NULL);
} else {
parser_step = MarantecDecoderStepReset;
}
} else {
if (DURATION_DIFF(duration, te_short) < te_delta) {
event = ManchesterEventShortHigh;
} else if (
DURATION_DIFF(duration, te_long) < te_delta) {
event = ManchesterEventLongHigh;
} else {
parser_step = MarantecDecoderStepReset;
}
}
if (event != ManchesterEventReset) {
bool bitstate;
bool data_ok = FProtoGeneral::manchester_advance(manchester_saved_state, event, &manchester_saved_state, &bitstate);
if (data_ok) {
decode_data = (decode_data << 1) | bitstate;
decode_count_bit++;
}
}
break;
}
}
protected:
ManchesterState manchester_saved_state = ManchesterStateMid1;
};
#endif