portapack-mayhem/firmware/baseband/fprotos/w-gt-wt-02.hpp
Totoo 02251eeeb4
Added weather station app with 18 protocol parsers (#1607)
* Added weather station app with 18 protocol parsers
* Fix button and formatting
* Set BW to 1.75m, changed to us in dsp part
2023-11-28 21:11:30 +01:00

122 lines
4.3 KiB
C++

#ifndef __FPROTO_GTWT02_H__
#define __FPROTO_GTWT02_H__
#include "weatherbase.hpp"
#define AURIOL_AHFL_CONST_DATA 0b0100
typedef enum {
GT_WT02DecoderStepReset = 0,
GT_WT02DecoderStepSaveDuration,
GT_WT02DecoderStepCheckDuration,
} GT_WT02DecoderStep;
class FProtoWeatherGTWT02 : public FProtoWeatherBase {
public:
FProtoWeatherGTWT02() {
sensorType = FPW_GTWT02;
}
void feed(bool level, uint32_t duration) {
switch (parser_step) {
case GT_WT02DecoderStepReset:
if ((!level) && (DURATION_DIFF(duration, te_short * 18) <
te_delta * 8)) {
// Found syncPrefix
parser_step = GT_WT02DecoderStepSaveDuration;
decode_data = 0;
decode_count_bit = 0;
}
break;
case GT_WT02DecoderStepSaveDuration:
if (level) {
te_last = duration;
parser_step = GT_WT02DecoderStepCheckDuration;
} else {
parser_step = GT_WT02DecoderStepReset;
}
break;
case GT_WT02DecoderStepCheckDuration:
if (!level) {
if (DURATION_DIFF(te_last, te_short) <
te_delta) {
if (DURATION_DIFF(duration, te_short * 18) <
te_delta * 8) {
// Found syncPostfix
parser_step = GT_WT02DecoderStepReset;
if ((decode_count_bit ==
min_count_bit_for_found) &&
ws_protocol_gt_wt_02_check()) {
data = decode_data;
data_count_bit = decode_count_bit;
ws_protocol_gt_wt_02_remote_controller();
if (callback) callback(this);
} else if (decode_count_bit == 1) {
parser_step = GT_WT02DecoderStepSaveDuration;
}
decode_data = 0;
decode_count_bit = 0;
} else if (
DURATION_DIFF(duration, te_long) <
te_delta * 2) {
subghz_protocol_blocks_add_bit(0);
parser_step = GT_WT02DecoderStepSaveDuration;
} else if (
DURATION_DIFF(duration, te_long * 2) <
te_delta * 4) {
subghz_protocol_blocks_add_bit(1);
parser_step = GT_WT02DecoderStepSaveDuration;
} else {
parser_step = GT_WT02DecoderStepReset;
}
} else {
parser_step = GT_WT02DecoderStepReset;
}
} else {
parser_step = GT_WT02DecoderStepReset;
}
break;
}
}
protected:
uint32_t te_short = 500;
uint32_t te_long = 2000;
uint32_t te_delta = 150;
uint32_t min_count_bit_for_found = 37;
void ws_protocol_gt_wt_02_remote_controller() {
id = (data >> 29) & 0xFF;
battery_low = (data >> 28) & 1;
btn = (data >> 27) & 1;
channel = ((data >> 25) & 0x3) + 1;
if (!((data >> 24) & 1)) {
temp = (float)((data >> 13) & 0x07FF) / 10.0f;
} else {
temp = (float)((~(data >> 13) & 0x07FF) + 1) / -10.0f;
}
humidity = (data >> 6) & 0x7F;
if (humidity <= 10) // actually the sensors sends 10 below working range of 20%
humidity = 0;
else if (humidity > 90) // actually the sensors sends 110 above working range of 90%
humidity = 100;
}
bool ws_protocol_gt_wt_02_check() {
if (!decode_data) return false;
uint8_t sum = (decode_data >> 5) & 0xe;
uint64_t temp_data = decode_data >> 9;
for (uint8_t i = 0; i < 7; i++) {
sum += (temp_data >> (i * 4)) & 0xF;
}
return ((uint8_t)(decode_data & 0x3F) == (sum & 0x3F));
}
};
#endif