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BLE TX; Added feature to randomize found substring in data (#1609)

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Netro 2023-11-28 15:11:07 -05:00 • committed by GitHub
parent a6ed6e3099
commit c486572d3d
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2 changed files with 63 additions and 14 deletions
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43
firmware/application/apps/ble_tx_app.cpp
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@ -188,9 +188,35 @@ void BLETxView::start() {
is_running = true;
}
char advertisementData[63] = {0};
strcpy(advertisementData, packets[current_packet].advertisementData);
if (!randomString.empty()) {
// Check if the substring exists within the larger string
const char* result = strstr(advertisementData, randomString.c_str());
if (result != NULL) {
// Calculate the start and end positions of the substring
int startPos = result - advertisementData;
int endPos = startPos + randomString.length();
for (int i = startPos; i < endPos; i++) {
int min = 0;
int max = 15;
int hexDigit = min + std::rand() % (max - min + 1);
// Map the random number to a hexadecimal digit
char randomHexChar = (hexDigit < 10) ? ('0' + hexDigit) : ('A' + hexDigit - 10);
advertisementData[i] = randomHexChar;
}
}
}
// Setup next packet configuration.
progressbar.set_max(packets[current_packet].packet_count);
baseband::set_btletx(channel_number, random_mac ? randomMac : packets[current_packet].macAddress, packets[current_packet].advertisementData, pduType);
baseband::set_btletx(channel_number, random_mac ? randomMac : packets[current_packet].macAddress, advertisementData, pduType);
}
void BLETxView::stop() {
@ -284,6 +310,7 @@ BLETxView::BLETxView(NavigationView& nav)
&options_speed,
&options_channel,
&options_adv_type,
&button_random,
&label_packet_index,
&text_packet_index,
&label_packets_sent,
@ -357,6 +384,16 @@ BLETxView::BLETxView(NavigationView& nav)
button_switch.on_select = [&nav](Button&) {
nav.replace<BLERxView>();
};
button_random.on_select = [this](Button&) {
text_prompt(
nav_,
randomBuffer,
64,
[this](std::string& buffer) {
on_random_data_change(buffer);
});
};
}
BLETxView::BLETxView(
@ -436,6 +473,10 @@ void BLETxView::on_data(uint32_t value, bool is_data) {
console.write(str_console);
}
void BLETxView::on_random_data_change(std::string value) {
randomString = value;
}
void BLETxView::update_current_packet(BLETxPacket packet, uint32_t currentIndex) {
std::string formattedMacAddress = to_string_formatted_mac_address(packet.macAddress);