mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
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dceb7255b0
BLE TX app creation BLE RX and TX app improvements
352 lines
9.6 KiB
C++
352 lines
9.6 KiB
C++
/*
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* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
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* Copyright (C) 2017 Furrtek
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* Copyright (C) 2023 TJ Baginski
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "ble_tx_app.hpp"
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#include "ui_fileman.hpp"
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#include "ui_modemsetup.hpp"
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#include "audio.hpp"
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#include "baseband_api.hpp"
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#include "io_file.hpp"
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#include "modems.hpp"
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#include "portapack_persistent_memory.hpp"
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#include "rtc_time.hpp"
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#include "string_format.hpp"
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using namespace portapack;
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using namespace modems;
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namespace fs = std::filesystem;
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void BLELoggerTx::log_raw_data(const std::string& data) {
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log_file.write_entry(data);
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}
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bool hasValidHexPairs(const std::string& str, int totalPairs) {
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int validPairs = 0;
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for (int i = 0; i < totalPairs * 2; i += 2) {
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char c1 = str[i];
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char c2 = str[i + 1];
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if (!(std::isxdigit(c1) && std::isxdigit(c2))) {
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return false; // Return false if any pair is invalid.
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}
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validPairs++;
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}
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return (validPairs == totalPairs);
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}
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std::vector<std::string> splitIntoStrings(const char* input) {
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std::vector<std::string> result;
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int length = std::strlen(input);
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int start = 0;
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while (start < length) {
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int remaining = length - start;
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int chunkSize = (remaining > 30) ? 30 : remaining;
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result.push_back(std::string(input + start, chunkSize));
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start += chunkSize;
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}
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return result;
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}
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uint32_t stringToUint32(const std::string& str) {
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size_t pos = 0;
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uint32_t result = 0;
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while (pos < str.size() && std::isdigit(str[pos])) {
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int digit = str[pos] - '0';
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// Check for overflow before adding the next digit
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if (result > (UINT32_MAX - digit) / 10) {
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return 0;
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}
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result = result * 10 + digit;
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pos++;
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}
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// Check if there are any non-digit characters left
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if (pos < str.size()) {
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return 0;
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}
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return result;
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}
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void readUntilSpace(File& file, char* result, std::size_t maxBufferSize) {
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std::size_t bytesRead = 0;
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while (true) {
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char ch;
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File::Result<File::Size> readResult = file.read(&ch, 1);
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if (readResult.is_ok() && readResult.value() > 0) {
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if (ch == ' ') {
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// Found a space character, stop reading
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break;
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} else if (bytesRead < maxBufferSize) {
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// Append the character to the result if there's space
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result[bytesRead++] = ch;
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} else {
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// Buffer is full, break to prevent overflow
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break;
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}
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} else {
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break; // End of file or error
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}
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}
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// Null-terminate the result string
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result[bytesRead] = '\0';
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}
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static std::uint64_t get_freq_by_channel_number(uint8_t channel_number) {
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uint64_t freq_hz;
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switch (channel_number) {
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case 37:
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freq_hz = 2'402'000'000ull;
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break;
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case 38:
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freq_hz = 2'426'000'000ull;
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break;
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case 39:
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freq_hz = 2'480'000'000ull;
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break;
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case 0 ... 10:
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freq_hz = 2'404'000'000ull + channel_number * 2'000'000ull;
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break;
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case 11 ... 36:
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freq_hz = 2'428'000'000ull + (channel_number - 11) * 2'000'000ull;
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break;
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default:
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freq_hz = UINT64_MAX;
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}
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return freq_hz;
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}
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namespace ui {
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void BLETxView::focus() {
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field_frequency.focus();
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}
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bool BLETxView::is_active() const {
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return (bool)is_running;
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}
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void BLETxView::file_error() {
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nav_.display_modal("Error", "File read error.");
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}
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void BLETxView::toggle() {
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if (is_active()) {
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stop();
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} else {
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start();
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}
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}
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void BLETxView::start() {
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if (!is_active()) {
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// Check if file is present before continuing.
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File data_file;
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auto error = data_file.open(file_path);
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if (error) {
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file_error();
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check_loop.set_value(false);
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return;
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} else {
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// Send first or single packet.
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progressbar.set_max(packet_count);
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button_play.set_bitmap(&bitmap_stop);
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baseband::set_btletx(channel_number, macAddress, advertisementData);
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transmitter_model.enable();
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is_running = true;
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}
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} else {
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// Send next packet.
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baseband::set_btletx(channel_number, macAddress, advertisementData);
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}
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if ((packet_counter % 10) == 0) {
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text_packets_sent.set(to_string_dec_uint(packet_counter));
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}
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packet_counter--;
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progressbar.set_value(packet_count - packet_counter);
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}
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void BLETxView::stop() {
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transmitter_model.disable();
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progressbar.set_value(0);
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button_play.set_bitmap(&bitmap_play);
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check_loop.set_value(false);
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text_packets_sent.set(to_string_dec_uint(packet_count));
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packet_counter = packet_count;
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is_running = false;
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}
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void BLETxView::on_tx_progress(const bool done) {
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if (done) {
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if (check_loop.value() && (packet_counter != 0) && is_active()) {
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if ((timer_count % timer_period) == 0) {
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start();
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}
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} else {
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if (is_active()) {
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stop();
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}
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}
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timer_count++;
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}
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}
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BLETxView::BLETxView(NavigationView& nav)
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: nav_{nav} {
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baseband::run_image(portapack::spi_flash::image_tag_btle_tx);
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add_children({&button_open,
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&text_filename,
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&progressbar,
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&field_frequency,
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&tx_view, // now it handles previous rfgain, rfamp.
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&check_loop,
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&button_play,
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&label_speed,
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&options_speed,
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&options_channel,
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&label_packets_sent,
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&text_packets_sent,
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&label_mac_address,
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&text_mac_address,
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&label_data_packet,
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&console});
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field_frequency.set_step(0);
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button_play.on_select = [this](ImageButton&) {
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this->toggle();
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};
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options_channel.on_change = [this](size_t, int32_t i) {
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field_frequency.set_value(get_freq_by_channel_number(i));
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channel_number = i;
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};
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options_speed.on_change = [this](size_t, int32_t i) {
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timer_period = i;
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};
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options_speed.set_selected_index(0);
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button_open.on_select = [this, &nav](Button&) {
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auto open_view = nav.push<FileLoadView>(".TXT");
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open_view->on_changed = [this](std::filesystem::path new_file_path) {
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on_file_changed(new_file_path);
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};
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};
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}
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void BLETxView::on_file_changed(const fs::path& new_file_path) {
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file_path = fs::path(u"/") + new_file_path;
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{ // Get the size of the data file.
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File data_file;
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auto error = data_file.open(file_path);
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if (error) {
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file_error();
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file_path = "";
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return;
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}
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readUntilSpace(data_file, macAddress, mac_address_size_str);
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readUntilSpace(data_file, advertisementData, max_packet_size_str);
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readUntilSpace(data_file, packetCount, max_packet_count_str);
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uint64_t macAddressSize = strlen(macAddress);
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uint64_t advertisementDataSize = strlen(advertisementData);
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uint64_t packetCountSize = strlen(packetCount);
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packet_count = stringToUint32(packetCount);
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packet_counter = packet_count;
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// Verify Data.
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if ((macAddressSize == mac_address_size_str) && (advertisementDataSize < max_packet_size_str) && (packetCountSize < max_packet_count_str) &&
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hasValidHexPairs(macAddress, macAddressSize / 2) && hasValidHexPairs(advertisementData, advertisementDataSize / 2) && (packet_count > 0) && (packet_count < UINT32_MAX)) {
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text_packets_sent.set(to_string_dec_uint(packet_count));
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std::string formattedMacAddress = to_string_formatted_mac_address(macAddress);
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text_mac_address.set(formattedMacAddress);
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std::vector<std::string> strings = splitIntoStrings(advertisementData);
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console.clear(true);
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for (const std::string& str : strings) {
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console.writeln(str);
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}
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text_filename.set(truncate(file_path.filename().string(), 12));
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} else {
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// file_error();
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file_path = "";
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return;
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}
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}
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}
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void BLETxView::on_data(uint32_t value, bool is_data) {
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std::string str_console = "";
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if (is_data) {
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str_console += (char)(value);
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}
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console.write(str_console);
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}
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void BLETxView::set_parent_rect(const Rect new_parent_rect) {
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View::set_parent_rect(new_parent_rect);
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const Rect content_rect{0, header_height, new_parent_rect.width(), new_parent_rect.height() - header_height};
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console.set_parent_rect(content_rect);
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}
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BLETxView::~BLETxView() {
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transmitter_model.disable();
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baseband::shutdown();
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}
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} /* namespace ui */
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