mayhem-firmware/firmware/application/apps/ble_tx_app.cpp
2023-11-01 23:24:55 +01:00

357 lines
9.7 KiB
C++

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