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

89 lines
3.2 KiB
C++

#ifndef __FPROTO_Ambient_H__
#define __FPROTO_Ambient_H__
#include "weatherbase.hpp"
#define AMBIENT_WEATHER_PACKET_HEADER_1 0xFFD440000000000 // 0xffd45 .. 0xffd46
#define AMBIENT_WEATHER_PACKET_HEADER_2 0x001440000000000 // 0x00145 .. 0x00146
#define AMBIENT_WEATHER_PACKET_HEADER_MASK 0xFFFFC0000000000
class FProtoWeatherAmbient : public FProtoWeatherBase {
public:
FProtoWeatherAmbient() {
sensorType = FPW_Ambient;
}
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 data;
bool data_ok = FProtoGeneral::manchester_advance(manchester_saved_state, event, &manchester_saved_state, &data);
if (data_ok) {
decode_data = (decode_data << 1) | !data;
}
if (((decode_data & AMBIENT_WEATHER_PACKET_HEADER_MASK) == AMBIENT_WEATHER_PACKET_HEADER_1) ||
((decode_data & AMBIENT_WEATHER_PACKET_HEADER_MASK) == AMBIENT_WEATHER_PACKET_HEADER_2)) {
if (ws_protocol_ambient_weather_check_crc()) {
data = decode_data;
data_count_bit = min_count_bit_for_found;
ws_protocol_ambient_weather_remote_controller();
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:
uint32_t te_short = 500;
uint32_t te_long = 1000;
uint32_t te_delta = 120;
uint32_t min_count_bit_for_found = 48;
bool ws_protocol_ambient_weather_check_crc() {
uint8_t msg[] = {
static_cast<uint8_t>(decode_data >> 40),
static_cast<uint8_t>(decode_data >> 32),
static_cast<uint8_t>(decode_data >> 24),
static_cast<uint8_t>(decode_data >> 16),
static_cast<uint8_t>(decode_data >> 8)};
uint8_t crc = FProtoGeneral::subghz_protocol_blocks_lfsr_digest8(msg, 5, 0x98, 0x3e) ^ 0x64;
return (crc == (uint8_t)(decode_data & 0xFF));
}
void ws_protocol_ambient_weather_remote_controller() {
id = (data >> 32) & 0xFF;
battery_low = (data >> 31) & 1;
channel = ((data >> 28) & 0x07) + 1;
temp = FProtoGeneral::locale_fahrenheit_to_celsius(((float)((data >> 16) & 0x0FFF) - 400.0f) / 10.0f);
humidity = (data >> 8) & 0xFF;
btn = WS_NO_BTN;
}
};
#endif