portapack-mayhem/firmware/baseband/fprotos/w-infactory.hpp

136 lines
5.2 KiB
C++

#ifndef __FPROTO_Infactory_H__
#define __FPROTO_Infactory_H__
#include "weatherbase.hpp"
typedef enum {
InfactoryDecoderStepReset = 0,
InfactoryDecoderStepCheckPreambule,
InfactoryDecoderStepSaveDuration,
InfactoryDecoderStepCheckDuration,
} InfactoryDecoderStep;
class FProtoWeatherInfactory : public FProtoWeatherBase {
public:
FProtoWeatherInfactory() {
sensorType = FPW_INFACTORY;
}
void feed(bool level, uint32_t duration) {
switch (parser_step) {
case InfactoryDecoderStepReset:
if ((level) && (DURATION_DIFF(duration, te_short * 2) <
te_delta * 2)) {
parser_step = InfactoryDecoderStepCheckPreambule;
te_last = duration;
header_count = 0;
}
break;
case InfactoryDecoderStepCheckPreambule:
if (level) {
te_last = duration;
} else {
if ((DURATION_DIFF(te_last, te_short * 2) <
te_delta * 2) &&
(DURATION_DIFF(duration, te_short * 2) <
te_delta * 2)) {
// Found preambule
header_count++;
} else if (
(DURATION_DIFF(te_last, te_short) <
te_delta) &&
(DURATION_DIFF(duration, te_short * 16) <
te_delta * 8)) {
// Found syncPrefix
if (header_count > 3) {
parser_step = InfactoryDecoderStepSaveDuration;
decode_data = 0;
decode_count_bit = 0;
}
} else {
parser_step = InfactoryDecoderStepReset;
}
}
break;
case InfactoryDecoderStepSaveDuration:
if (level) {
te_last = duration;
parser_step = InfactoryDecoderStepCheckDuration;
} else {
parser_step = InfactoryDecoderStepReset;
}
break;
case InfactoryDecoderStepCheckDuration:
if (!level) {
if (duration >= ((uint32_t)te_short * 30)) {
// Found syncPostfix
if ((decode_count_bit ==
min_count_bit_for_found) &&
ws_protocol_infactory_check_crc()) {
data = decode_data;
data_count_bit = decode_count_bit;
ws_protocol_infactory_remote_controller();
if (callback) callback(this);
}
decode_data = 0;
decode_count_bit = 0;
parser_step = InfactoryDecoderStepReset;
break;
} else if (
(DURATION_DIFF(te_last, te_short) <
te_delta) &&
(DURATION_DIFF(duration, te_long) <
te_delta * 2)) {
subghz_protocol_blocks_add_bit(0);
parser_step = InfactoryDecoderStepSaveDuration;
} else if (
(DURATION_DIFF(te_last, te_short) <
te_delta) &&
(DURATION_DIFF(duration, te_long * 2) <
te_delta * 4)) {
subghz_protocol_blocks_add_bit(1);
parser_step = InfactoryDecoderStepSaveDuration;
} else {
parser_step = InfactoryDecoderStepReset;
}
} else {
parser_step = InfactoryDecoderStepReset;
}
break;
}
}
protected:
uint32_t te_short = 500;
uint32_t te_long = 2000;
uint32_t te_delta = 150;
uint32_t min_count_bit_for_found = 40;
bool ws_protocol_infactory_check_crc() {
uint8_t msg[] = {
static_cast<uint8_t>(decode_data >> 32),
static_cast<uint8_t>(((decode_data >> 24) & 0x0F) | (decode_data & 0x0F) << 4),
static_cast<uint8_t>(decode_data >> 16),
static_cast<uint8_t>(decode_data >> 8),
static_cast<uint8_t>(decode_data)};
uint8_t crc = FProtoGeneral::subghz_protocol_blocks_crc4(msg, 4, 0x13, 0); // Koopmann 0x9, CCITT-4; FP-4; ITU-T G.704
crc ^= msg[4] >> 4; // last nibble is only XORed
return (crc == ((decode_data >> 28) & 0x0F));
}
void ws_protocol_infactory_remote_controller() {
id = data >> 32;
battery_low = (data >> 26) & 1;
btn = WS_NO_BTN;
temp = FProtoGeneral::locale_fahrenheit_to_celsius(((float)((data >> 12) & 0x0FFF) - 900.0f) / 10.0f);
humidity = (((data >> 8) & 0x0F) * 10) + ((data >> 4) & 0x0F); // BCD, 'A0'=100%rH
channel = data & 0x03;
}
};
#endif