mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-12-25 23:39:37 -05:00
89 lines
3.1 KiB
C++
89 lines
3.1 KiB
C++
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#ifndef __FPROTO_Ambient_H__
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#define __FPROTO_Ambient_H__
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#include "weatherbase.hpp"
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#define AMBIENT_WEATHER_PACKET_HEADER_1 0xFFD440000000000 // 0xffd45 .. 0xffd46
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#define AMBIENT_WEATHER_PACKET_HEADER_2 0x001440000000000 // 0x00145 .. 0x00146
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#define AMBIENT_WEATHER_PACKET_HEADER_MASK 0xFFFFC0000000000
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class FProtoWeatherAmbient : public FProtoWeatherBase {
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public:
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FProtoWeatherAmbient() {
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sensorType = FPW_Ambient;
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}
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void feed(bool level, uint32_t duration) {
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ManchesterEvent event = ManchesterEventReset;
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if (!level) {
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if (DURATION_DIFF(duration, te_short) < te_delta) {
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event = ManchesterEventShortLow;
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} else if (
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DURATION_DIFF(duration, te_long) < te_delta * 2) {
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event = ManchesterEventLongLow;
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}
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} else {
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if (DURATION_DIFF(duration, te_short) < te_delta) {
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event = ManchesterEventShortHigh;
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} else if (
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DURATION_DIFF(duration, te_long) < te_delta * 2) {
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event = ManchesterEventLongHigh;
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}
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}
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if (event != ManchesterEventReset) {
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bool data;
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bool data_ok = manchester_advance(manchester_saved_state, event, &manchester_saved_state, &data);
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if (data_ok) {
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decode_data = (decode_data << 1) | !data;
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}
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if (((decode_data & AMBIENT_WEATHER_PACKET_HEADER_MASK) == AMBIENT_WEATHER_PACKET_HEADER_1) ||
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((decode_data & AMBIENT_WEATHER_PACKET_HEADER_MASK) == AMBIENT_WEATHER_PACKET_HEADER_2)) {
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if (ws_protocol_ambient_weather_check_crc()) {
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data = decode_data;
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data_count_bit = min_count_bit_for_found;
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ws_protocol_ambient_weather_remote_controller();
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if (callback) callback(this);
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decode_data = 0;
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decode_count_bit = 0;
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}
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}
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} else {
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decode_data = 0;
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decode_count_bit = 0;
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manchester_advance(manchester_saved_state, ManchesterEventReset, &manchester_saved_state, NULL);
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}
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}
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protected:
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uint32_t te_short = 500;
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uint32_t te_long = 1000;
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uint32_t te_delta = 120;
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uint32_t min_count_bit_for_found = 48;
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bool ws_protocol_ambient_weather_check_crc() {
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uint8_t msg[] = {
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static_cast<uint8_t>(decode_data >> 40),
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static_cast<uint8_t>(decode_data >> 32),
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static_cast<uint8_t>(decode_data >> 24),
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static_cast<uint8_t>(decode_data >> 16),
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static_cast<uint8_t>(decode_data >> 8)};
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uint8_t crc = subghz_protocol_blocks_lfsr_digest8(msg, 5, 0x98, 0x3e) ^ 0x64;
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return (crc == (uint8_t)(decode_data & 0xFF));
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}
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void ws_protocol_ambient_weather_remote_controller() {
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id = (data >> 32) & 0xFF;
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battery_low = (data >> 31) & 1;
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channel = ((data >> 28) & 0x07) + 1;
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temp = locale_fahrenheit_to_celsius(((float)((data >> 16) & 0x0FFF) - 400.0f) / 10.0f);
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humidity = (data >> 8) & 0xFF;
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btn = WS_NO_BTN;
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}
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};
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#endif
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