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

79 lines
2.6 KiB
C++
Raw Normal View History

#ifndef __FPROTO_POWER_SMART_H__
#define __FPROTO_POWER_SMART_H__
#include "subghzdbase.hpp"
#define POWER_SMART_PACKET_HEADER 0xFD000000AA000000
#define POWER_SMART_PACKET_HEADER_MASK 0xFF000000FF000000
typedef enum : uint8_t {
PowerSmartDecoderStepReset = 0,
PowerSmartDecoderFoundHeader,
PowerSmartDecoderStepDecoderData,
} PowerSmartDecoderStep;
class FProtoSubGhzDPowerSmart : public FProtoSubGhzDBase {
public:
FProtoSubGhzDPowerSmart() {
sensorType = FPS_POWERSMART;
te_short = 225;
te_long = 450;
te_delta = 100;
min_count_bit_for_found = 64;
}
void feed(bool level, uint32_t duration) {
ManchesterEvent event = ManchesterEventReset;
if (!level) {
if (DURATION_DIFF(duration, te_short) < te_delta) {
event = ManchesterEventShortLow;
} else if (
DURATION_DIFF(duration, te_long) < te_delta * 2) {
event = ManchesterEventLongLow;
}
} else {
if (DURATION_DIFF(duration, te_short) < te_delta) {
event = ManchesterEventShortHigh;
} else if (
DURATION_DIFF(duration, te_long) < te_delta * 2) {
event = ManchesterEventLongHigh;
}
}
if (event != ManchesterEventReset) {
bool bit_val;
bool data_ok = FProtoGeneral::manchester_advance(manchester_saved_state, event, &manchester_saved_state, &bit_val);
if (data_ok) {
decode_data = (decode_data << 1) | !bit_val;
}
if ((decode_data & POWER_SMART_PACKET_HEADER_MASK) == POWER_SMART_PACKET_HEADER) {
if (subghz_protocol_power_smart_chek_valid(decode_data)) {
data_count_bit = min_count_bit_for_found;
if (callback) callback(this);
decode_data = 0;
decode_count_bit = 0;
}
}
} else {
decode_data = 0;
decode_count_bit = 0;
FProtoGeneral::manchester_advance(manchester_saved_state, ManchesterEventReset, &manchester_saved_state, NULL);
}
}
protected:
ManchesterState manchester_saved_state = ManchesterStateMid1;
bool subghz_protocol_power_smart_chek_valid(uint64_t packet) {
uint32_t data_1 = (uint32_t)((packet >> 40) & 0xFFFF);
uint32_t data_2 = (uint32_t)((~packet >> 8) & 0xFFFF);
uint8_t data_3 = (uint8_t)(packet >> 32) & 0xFF;
uint8_t data_4 = (uint8_t)(((~packet) & 0xFF) - 1);
return (data_1 == data_2) && (data_3 == data_4);
}
};
#endif