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More ADS-B TX experimentation

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Lots of junk added in Numbers Station regarding voice files
Removed warnings caused by unfinished ADS-B function
This commit is contained in:
furrtek
2017-05-01 10:42:09 +01:00
parent 790ec34ac0
commit bebec9ccf7
12 changed files with 224 additions and 172 deletions
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10
firmware/application/protocols/adsb.cpp
View File

@@ -76,6 +76,7 @@ void generate_frame_emergency(uint8_t * const adsb_frame, const uint32_t ICAO_ad
ADSB_generate_CRC(adsb_frame);
}
/*
void generate_frame_pos(uint8_t * const adsb_frame, const uint32_t ICAO_address, const uint32_t altitude,
const float latitude, const float longitude) {
uint8_t c, time_parity;
@@ -103,9 +104,9 @@ void generate_frame_pos(uint8_t * const adsb_frame, const uint32_t ICAO_address,
//rlat = delta_lat * ((yz / 524288.0) + int(lat / delta_lat));
//delta_lon = 360.0 / (NL(rlat) - time_parity);
//xz = 524288.0 * (mod(lon, delta_lon) / delta_lon); // Round to int !
/*if (time_parity) {
if (time_parity) {
A = sign(rlat0)[NL(rlat0) - NL(rlat1)];
}*/
}
// int xz and yz, then:
// xz >>= 2;
// yz >>= 2;
@@ -115,13 +116,15 @@ void generate_frame_pos(uint8_t * const adsb_frame, const uint32_t ICAO_address,
adsb_frame[5] = ((altitude_coded & 0x7F0) >> 3) | 1;
adsb_frame[6] = ((altitude_coded & 0x00F) << 4) | (LAT >> 15); // Then 0, even/odd, and the 2 LAT-CPR MSBs
}
*/
void ADSB_generate_CRC(uint8_t * const in_frame) {
uint8_t adsb_crc[14]; // Temp buffer
uint8_t b, c, s, bitn;
const uint32_t crc_poly = 0x1205FFF;
in_frame[11] = 0x00; // Clear CRC
// Clear CRC
in_frame[11] = 0x00;
in_frame[12] = 0x00;
in_frame[13] = 0x00;
@@ -140,7 +143,6 @@ void ADSB_generate_CRC(uint8_t * const in_frame) {
// Insert CRC in frame
memcpy(&in_frame[11], &adsb_crc[11], 3);
}
} /* namespace adsb */

4
firmware/application/protocols/adsb.hpp
View File

@@ -33,8 +33,8 @@ namespace adsb {
void make_frame_mode_s(uint8_t * const adsb_frame, const uint32_t ICAO_address);
void generate_frame_id(uint8_t * const adsb_frame, const uint32_t ICAO_address, std::string & callsign);
void generate_frame_pos(uint8_t * const adsb_frame, const uint32_t ICAO_address, const uint32_t altitude,
const float latitude, const float longitude);
//void generate_frame_pos(uint8_t * const adsb_frame, const uint32_t ICAO_address, const uint32_t altitude,
// const float latitude, const float longitude);
void generate_frame_emergency(uint8_t * const adsb_frame, const uint32_t ICAO_address, const uint8_t code);
void ADSB_generate_CRC(uint8_t * const in_message);