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https://github.com/eried/portapack-mayhem.git
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Restoring jammer and RDS functionalities, please wait...
Started work on frequency manager and numbers station simulator
This commit is contained in:
furrtek
parent
ef0feae62b
commit
d18b6d135d
43 changed files with 1083 additions and 734 deletions
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@ -23,6 +23,7 @@
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#include "ui_adsbtx.hpp"
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#include "ui_alphanum.hpp"
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#include "adsb.hpp"
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#include "string_format.hpp"
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#include "portapack.hpp"
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#include "baseband_api.hpp"
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@ -31,6 +32,7 @@
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#include <cstring>
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#include <stdio.h>
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using namespace adsb;
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using namespace portapack;
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namespace ui {
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@ -45,149 +47,27 @@ ADSBTxView::~ADSBTxView() {
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}
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void ADSBTxView::paint(Painter& painter) {
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(void)painter;
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button_callsign.set_text(callsign);
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}
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void ADSBTxView::generate_frame_pos() {
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uint8_t b, c, s, time_parity, bitn;
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char ch;
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void ADSBTxView::generate_frame() {
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uint8_t c;
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std::string str_debug;
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uint16_t altitude_coded = (38000 + 1000) / 25;
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uint32_t LAT, LON;
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float delta_lat, yz, rlat, delta_lon, xz;
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uint8_t adsb_crc[14]; // Temp buffer
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uint32_t crc_poly = 0x1205FFF;
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LAT = 0;
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adsb_frame[0] = (options_format.selected_index_value() << 3) | 5; // DF and CA
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adsb_frame[1] = 0x48; // ICAO24
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adsb_frame[2] = 0x40;
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adsb_frame[3] = 0xD6;
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adsb_frame[4] = 0x58; // TC, SS and NICsb
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// altitude = (feet + 1000) / 25
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// LAT:
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// index j = floor(59*latcprE-60*latcprO+0.50)
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// latE = DlatE*(mod(j,60)+latcprE)
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// latO = DlatO*(mod(j,59)+latcprO)
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// if latE >= 270 -> latE -= 360
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// if latO >= 270 -> latO -= 360
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//time_parity = 0; // 0~1
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//delta_lat = 90.0 / (60.0 - (time_parity / 4.0));
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//yz = 524288.0 * (mod(lat, delta_lat) / delta_lat); // Round to int !
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//rlat = delta_lat * ((yz / 524288.0) + int(lat / delta_lat));
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//delta_lon = 360.0 / (NL(rlat) - time_parity);
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//xz = 524288.0 * (mod(lon, delta_lon) / delta_lon); // Round to int !
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/*if (time_parity) {
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A = sign(rlat0)[NL(rlat0) - NL(rlat1)];
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}*/
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// int xz and yz, then:
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// xz >>= 2;
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// yz >>= 2;
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// To get 17 bits
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// aaaaaaa Q bbbb
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adsb_frame[5] = ((altitude_coded & 0x7F0) >> 3) | 1;
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adsb_frame[6] = ((altitude_coded & 0x00F) << 4) | (LAT >> 15); // Then 0, even/odd, and the 2 LAT-CPR MSBs
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adsb_frame[11] = 0x00; // Clear CRC
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adsb_frame[12] = 0x00;
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adsb_frame[13] = 0x00;
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// Compute CRC
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memcpy(adsb_crc, adsb_frame, 14);
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for (c = 0; c < 11; c++) {
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for (b = 0; b < 8; b++) {
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if ((adsb_crc[c] << b) & 0x80) {
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for (s = 0; s < 25; s++) {
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bitn = (c * 8) + b + s;
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if ((crc_poly >> s) & 1) adsb_crc[bitn >> 3] ^= (0x80 >> (bitn & 7));
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}
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}
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}
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}
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// Insert CRC in frame
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for (c = 0; c < 3; c++)
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adsb_frame[c + 11] = adsb_crc[c + 11];
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// Convert to binary
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for (c = 0; c < 112; c++)
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adsb_bin[c] = (adsb_frame[c >> 3] >> (7 - (c & 7))) & 1;
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// Display for debug
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str_debug = "";
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for (c = 0; c < 7; c++)
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str_debug += to_string_hex(adsb_frame[c], 2);
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text_frame_a.set(str_debug);
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str_debug = "";
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for (c = 0; c < 7; c++)
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str_debug += to_string_hex(adsb_frame[c + 7], 2);
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text_frame_b.set(str_debug);
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}
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void ADSBTxView::generate_frame_id() {
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uint8_t b, c, s, bitn;
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char ch;
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std::string str_debug;
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std::string callsign_formatted(8, '_');
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uint64_t callsign_coded = 0;
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uint8_t adsb_crc[14]; // Temp buffer
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uint32_t crc_poly = 0x1205FFF;
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if (options_format.selected_index() == 2)
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button_transmit.hidden(true);
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// Init frame
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//memset(adsb_frame, 0, 120);
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adsb_frame[0] = (options_format.selected_index_value() << 3) | 5; // DF and CA
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adsb_frame[1] = 0x48; // ICAO24
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adsb_frame[2] = 0x40;
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adsb_frame[3] = 0xD6;
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adsb_frame[4] = 0x20; // TC
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adsb_frame[11] = 0x00; // Clear CRC
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adsb_frame[12] = 0x00;
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adsb_frame[13] = 0x00;
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// Translate and code callsign
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for (c = 0; c < 8; c++) {
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ch = callsign[c];
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for (s = 0; s < 64; s++) {
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if (ch == icao_id_lut[s]) break;
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}
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if (s < 64) {
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ch = icao_id_lut[s];
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} else {
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ch = ' ';
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s = 32;
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}
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callsign_coded |= ((uint64_t)s << ((7 - c) * 6));
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callsign_formatted[c] = ch;
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}
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// Insert callsign in frame
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for (c = 0; c < 6; c++)
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adsb_frame[c + 5] = (callsign_coded >> ((5 - c) * 8)) & 0xFF;
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// Compute CRC
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memcpy(adsb_crc, adsb_frame, 14);
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for (c = 0; c < 11; c++) {
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for (b = 0; b < 8; b++) {
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if ((adsb_crc[c] << b) & 0x80) {
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for (s = 0; s < 25; s++) {
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bitn = (c * 8) + b + s;
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if ((crc_poly >> s) & 1) adsb_crc[bitn >> 3] ^= (0x80 >> (bitn & 7));
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}
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}
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generate_frame_id(adsb_frame, sym_icao.value_hex_u64(), callsign);
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memset(adsb_bin, 0, 112);
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// Convert to binary (1 bit per byte, faster for baseband code)
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for (c = 0; c < 112; c++) {
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if ((adsb_frame[c >> 3] << (c & 7)) & 0x80) {
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adsb_bin[c] = 0xFF;
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}
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}
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// Insert CRC in frame
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for (c = 0; c < 3; c++)
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adsb_frame[c + 11] = adsb_crc[c + 11];
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// Convert to binary
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for (c = 0; c < 112; c++)
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adsb_bin[c] = (adsb_frame[c >> 3] >> (7 - (c & 7))) & 1;
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// Display for debug
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str_debug = "";
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@ -199,7 +79,7 @@ void ADSBTxView::generate_frame_id() {
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str_debug += to_string_hex(adsb_frame[c + 7], 2);
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text_frame_b.set(str_debug);
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text_message.set(callsign_formatted);
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//text_message.set(callsign_formatted);
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}
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void ADSBTxView::start_tx() {
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@ -224,13 +104,13 @@ void ADSBTxView::on_txdone(const int n) {
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if (n == 200) {
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transmitter_model.disable();
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progress.set_value(0);
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//progress.set_value(0);
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tx_mode = IDLE;
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button_transmit.set_style(&style_val);
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button_transmit.set_text("START");
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} else {
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progress.set_value(n);
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//progress.set_value(n);
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}
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}
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@ -245,32 +125,49 @@ ADSBTxView::ADSBTxView(NavigationView& nav) {
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&text_format,
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&options_format,
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&text_icaolabel,
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&button_icao,
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&sym_icao,
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&text_callsign,
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&button_callsign,
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&text_altitude,
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&field_altitude,
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&text_latitude,
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&field_lat_degrees,
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&field_lat_minutes,
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&field_lat_seconds,
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&text_longitude,
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&field_lon_degrees,
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&field_lon_minutes,
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&field_lon_seconds,
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&text_frame_a,
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&text_frame_b,
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&progress,
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&text_message,
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&button_transmit
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} });
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options_format.set_by_value(17); // Mode S
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progress.set_max(122);
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options_format.on_change = [this](size_t i, int32_t v) {
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(void)i;
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(void)v;
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generate_frame_id();
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generate_frame();
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};
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sym_icao.on_change = [this]() {
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generate_frame();
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};
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button_callsign.on_select = [this, &nav](Button&) {
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textentry(nav, callsign, 9);
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};
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field_altitude.set_value(11000);
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field_lat_degrees.set_value(0);
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field_lat_minutes.set_value(0);
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field_lat_seconds.set_value(0);
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field_lon_degrees.set_value(0);
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field_lon_minutes.set_value(0);
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field_lon_seconds.set_value(0);
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button_transmit.set_style(&style_val);
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generate_frame_id();
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generate_frame();
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// Single transmit
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button_transmit.on_select = [this, &nav](Button&) {
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@ -278,7 +175,7 @@ ADSBTxView::ADSBTxView(NavigationView& nav) {
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tx_mode = SINGLE;
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button_transmit.set_style(&style_cancel);
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button_transmit.set_text("Wait");
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generate_frame_id();
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generate_frame();
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start_tx();
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}
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};
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