mirror of
https://github.com/eried/portapack-mayhem.git
synced 2025-05-16 13:42:16 -04:00
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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@ -22,7 +22,7 @@
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#include "ui_rds.hpp"
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#include "ch.h"
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#include "rds.hpp"
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#include "ff.h"
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#include "hackrf_gpio.hpp"
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#include "portapack.hpp"
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@ -35,6 +35,7 @@
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#include <cstring>
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using namespace portapack;
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using namespace rds;
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namespace ui {
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@ -42,186 +43,49 @@ void RDSView::focus() {
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button_editpsn.focus();
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}
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void RDSView::on_tuning_frequency_changed(rf::Frequency f) {
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transmitter_model.set_tuning_frequency(f);
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}
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RDSView::~RDSView() {
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radio::disable();
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transmitter_model.disable();
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baseband::shutdown();
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}
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std::string to_string_bin(const uint32_t n, const uint8_t l) {
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char p[33];
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for (uint8_t c = 0; c < l; c++) {
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if ((n << c) & (1 << l))
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p[c] = '1';
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else
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p[c] = '0';
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}
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p[l] = 0;
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return p;
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}
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uint32_t makeblock(uint32_t blockdata, uint16_t offset) {
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uint16_t CRC = 0;
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uint8_t doinv;
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for (uint8_t i = 0; i < 16; i++) {
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doinv = (((blockdata << i) & 0x8000) >> 15) ^ (CRC >> 9);
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if (doinv) CRC ^= 0b0011011100;
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CRC = ((CRC << 1) | doinv) & 0x3FF;
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}
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return (blockdata << 10) | (CRC ^ offset);
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}
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// Todo:
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// Make PI
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// Set frequency
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// TA/TP flags
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// Group selection
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uint8_t RDSView::b2b(const bool in) {
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if (in)
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return 1;
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else
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return 0;
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}
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void RDSView::make_0B_group(uint32_t group[], const uint16_t PI_code, const bool TP, const uint8_t PTY, const bool TA,
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const bool MS, const bool DI, const uint8_t C, const char * chars) {
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group[0] = PI_code;
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group[1] = (0x0 << 12) | (1 << 11) | (b2b(TP) << 10) | (PTY << 5) | (b2b(TA) << 4) | (b2b(MS) << 3) | (b2b(DI) << 2) | (C & 3);
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group[2] = PI_code;
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group[3] = (chars[0] << 8) | chars[1];
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}
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void RDSView::make_2A_group(uint32_t group[], const uint16_t PI_code, const bool TP, const uint8_t PTY, const bool AB,
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const bool segment, const char * chars) {
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group[0] = PI_code;
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group[1] = (0x0 << 12) | (1 << 11) | (b2b(TP) << 10) | (PTY << 5) | (b2b(AB) << 4) | (segment & 15);
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group[2] = (chars[0] << 8) | chars[1];
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group[3] = (chars[2] << 8) | chars[3];
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}
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void RDSView::gen_PSN(const char * psname) {
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uint8_t c;
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uint32_t group[4][4] = { 0 };
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make_0B_group(&group[0][0], 0xF849, true, options_pty.selected_index(), false, true, false, 0, &psname[0]);
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make_0B_group(&group[1][0], 0xF849, true, options_pty.selected_index(), false, true, false, 1, &psname[2]);
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make_0B_group(&group[2][0], 0xF849, true, options_pty.selected_index(), false, true, false, 2, &psname[4]);
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make_0B_group(&group[3][0], 0xF849, true, options_pty.selected_index(), false, true, false, 3, &psname[6]);
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void RDSView::start_tx() {
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transmitter_model.set_baseband_configuration({
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.mode = 0,
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.sampling_rate = 2280000,
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.decimation_factor = 1,
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});
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transmitter_model.set_rf_amp(true);
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transmitter_model.set_lna(40);
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transmitter_model.set_vga(40);
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transmitter_model.set_baseband_bandwidth(1750000);
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transmitter_model.enable();
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/*uint32_t group[4][4] = {
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{
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0b1111100001001001, //PI
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0b0000110011101000, //Address
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0b1111100001001001, //PI
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0b0000000000000000 //Replaced
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},
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{
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0b1111100001001001, //PI
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0b0000110011101001, //Address
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0b1111100001001001, //PI
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0b0000000000000000 //Replaced
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},
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{
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0b1111100001001001, //PI
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0b0000110011101010, //Address
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0b1111100001001001, //PI
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0b0000000000000000 //Replaced
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},
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{
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0b1111100001001001, //PI
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0b0000110011101011, //Address
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0b1111100001001001, //PI
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0b0000000000000000 //Replaced
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},
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};
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//Insert PSN data in groups
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group[0][3] = (psname[0] << 8) | psname[1];
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group[1][3] = (psname[2] << 8) | psname[3];
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group[2][3] = (psname[4] << 8) | psname[5];
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group[3][3] = (psname[6] << 8) | psname[7];
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*/
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// Generate checkbits
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for (c = 0; c < 4; c++) {
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group[c][0] = makeblock(group[c][0], RDS_OFFSET_A);
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group[c][1] = makeblock(group[c][1], RDS_OFFSET_B);
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group[c][2] = makeblock(group[c][2], RDS_OFFSET_Cp); // C' !
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group[c][3] = makeblock(group[c][3], RDS_OFFSET_D);
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}
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// Todo
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//for (c = 0; c < 16; c++)
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// shared_memory.radio_data[c] = group[c >> 2][c & 3];
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shared_memory.bit_length = 4 * 4 * 26;
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}
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void RDSView::gen_RadioText(const char * radiotext) {
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size_t c, i;
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uint32_t * group;
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char radiotext_buffer[65] = { 0 };
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uint8_t rtlen, groups;
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strcpy(radiotext_buffer, radiotext);
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rtlen = strlen(radiotext_buffer);
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radiotext_buffer[rtlen] = 0x0D;
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// Pad to multiple of 4
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while(rtlen & 3) {
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radiotext_buffer[rtlen] = ' ';
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rtlen++;
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}
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groups = rtlen >> 2; // 4 characters per group
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group = (uint32_t*)chHeapAlloc(0x0, 4 * groups * sizeof(uint32_t));
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for (c = 0; c < groups; c++)
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make_2A_group(&group[c << 2], 0xF849, true, options_pty.selected_index(), false, c, &radiotext_buffer[c << 2]);
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// Generate checkbits
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for (c = 0; c < groups; c++) {
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i = c * 4;
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group[i + 0] = makeblock(group[i + 0], RDS_OFFSET_A);
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group[i + 1] = makeblock(group[i + 1], RDS_OFFSET_B);
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group[i + 2] = makeblock(group[i + 2], RDS_OFFSET_C);
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group[i + 3] = makeblock(group[i + 3], RDS_OFFSET_D);
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}
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// Todo
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//for (c = 0; c < (groups * 4); c++)
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// shared_memory.radio_data[c] = group[c];
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shared_memory.bit_length = groups * 4 * 26;
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baseband::set_rds_data(message_length);
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}
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void RDSView::paint(Painter& painter) {
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char RadioTextA[17];
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(void)painter;
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text_psn.set(PSN);
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memcpy(RadioTextA, RadioText, 16);
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RadioTextA[16] = 0;
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text_radiotexta.set(RadioTextA);
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text_radiotextb.set(&RadioText[16]);
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memcpy(RadioTextA, RadioText + 16, 8);
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RadioTextA[8] = 0;
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text_radiotextb.set(RadioTextA);
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}
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RDSView::RDSView(NavigationView& nav) {
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baseband::run_image(portapack::spi_flash::image_tag_rds);
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strcpy(PSN, "TEST1234");
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strcpy(RadioText, "Radiotext test !");
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strcpy(RadioText, "Radiotext test ABCD1234");
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add_children({ {
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&field_frequency,
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@ -239,12 +103,16 @@ RDSView::RDSView(NavigationView& nav) {
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&button_exit
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} });
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rds_radio_config.tuning_frequency = tuning_frequency;
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field_frequency.set_step(100000);
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field_frequency.set_value(transmitter_model.tuning_frequency());
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field_frequency.set_step(50000); // 50kHz steps
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field_frequency.on_change = [this](rf::Frequency f) {
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this->on_tuning_frequency_changed(f);
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};
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field_frequency.on_edit = [this, &nav]() {
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auto new_view = nav.push<FrequencyKeypadView>(tuning_frequency);
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auto new_view = nav.push<FrequencyKeypadView>(field_frequency.value());
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new_view->on_changed = [this](rf::Frequency f) {
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this->field_frequency.set_value(f);
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this->on_tuning_frequency_changed(f);
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};
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};
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@ -257,16 +125,15 @@ RDSView::RDSView(NavigationView& nav) {
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};
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button_txpsn.on_select = [this](Button&){
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if (txing) {
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radio::disable();
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button_txpsn.set_text("PSN");
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button_txradiotext.set_text("Radiotext");
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transmitter_model.disable();
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txing = false;
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} else {
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gen_PSN(PSN);
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rds_radio_config.tuning_frequency = tuning_frequency;
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message_length = gen_PSN(PSN, options_pty.selected_index());
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button_txpsn.set_text("STOP");
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txing = true;
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radio::disable();
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start_tx();
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}
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};
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@ -275,16 +142,15 @@ RDSView::RDSView(NavigationView& nav) {
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};
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button_txradiotext.on_select = [this](Button&){
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if (txing) {
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radio::disable();
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button_txpsn.set_text("PSN");
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button_txradiotext.set_text("Radiotext");
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transmitter_model.disable();
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txing = false;
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} else {
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gen_RadioText(RadioText);
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rds_radio_config.tuning_frequency = tuning_frequency;
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message_length = gen_RadioText(RadioText, options_pty.selected_index());
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button_txradiotext.set_text("STOP");
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txing = true;
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radio::enable(rds_radio_config);
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start_tx();
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}
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};
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