mayhem-firmware/firmware/application/apps/ble_rx_app.cpp
Netro a9df9dde69
BLE Rx parsing improvements (#1566)
* Running simple state machine to better catch in between buffers. 
* Fixed buffer size 2048 was too large for a decimated before only containing 512 (2048/4 Decimation) Bytes.
* attempt at trying to minimize uncleared str buffers
2023-11-07 18:10:18 +01:00

574 lines
18 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_rx_app.hpp"
#include "ble_tx_app.hpp"
#include "ui_modemsetup.hpp"
#include "modems.hpp"
#include "audio.hpp"
#include "rtc_time.hpp"
#include "baseband_api.hpp"
#include "string_format.hpp"
#include "portapack_persistent_memory.hpp"
#include "ui_textentry.hpp"
using namespace portapack;
using namespace modems;
void BLELogger::log_raw_data(const std::string& data) {
log_file.write_entry(data);
}
std::string pad_string_with_spaces(int snakes) {
std::string paddedStr(snakes, ' ');
return paddedStr;
}
uint64_t copy_mac_address_to_uint64(const uint8_t* macAddress) {
uint64_t result = 0;
// Copy each byte of the MAC address to the corresponding byte in the uint64_t.
for (int i = 0; i < 6; ++i) {
result |= static_cast<uint64_t>(macAddress[i]) << ((5 - i) * 8);
}
return result;
}
namespace ui {
template <>
void RecentEntriesTable<BleRecentEntries>::draw(
const Entry& entry,
const Rect& target_rect,
Painter& painter,
const Style& style) {
std::string line{};
if (!entry.nameString.empty()) {
line = entry.nameString;
if (line.length() < 17) {
line += pad_string_with_spaces(17 - line.length());
} else {
line = truncate(line, 17);
}
} else {
line = to_string_mac_address(entry.packetData.macAddress, 6, false);
}
// Pushing single digit values down right justified.
std::string hitsStr = to_string_dec_int(entry.numHits);
int hitsDigits = hitsStr.length();
uint8_t hits_spacing = 8 - hitsDigits;
// Pushing single digit values down right justified.
std::string dbStr = to_string_dec_int(entry.dbValue);
int dbDigits = dbStr.length();
uint8_t db_spacing = 5 - dbDigits;
line += pad_string_with_spaces(hits_spacing) + hitsStr;
line += pad_string_with_spaces(db_spacing) + dbStr;
line.resize(target_rect.width() / 8, ' ');
painter.draw_string(target_rect.location(), style, line);
}
BleRecentEntryDetailView::BleRecentEntryDetailView(NavigationView& nav, const BleRecentEntry& entry)
: nav_{nav},
entry_{entry} {
add_children({&button_done,
&button_send,
&label_mac_address,
&text_mac_address,
&labels});
text_mac_address.set(to_string_mac_address(entry.packetData.macAddress, 6, false));
button_done.on_select = [this](const ui::Button&) {
nav_.pop();
};
button_send.on_select = [this](const ui::Button&) {
nav_.set_on_pop([this]() { launch_bletx(entry_); });
nav_.pop();
};
}
void BleRecentEntryDetailView::update_data() {
}
void BleRecentEntryDetailView::focus() {
button_done.focus();
}
Rect BleRecentEntryDetailView::draw_field(
Painter& painter,
const Rect& draw_rect,
const Style& style,
const std::string& label,
const std::string& value) {
const int label_length_max = 4;
painter.draw_string(Point{draw_rect.left(), draw_rect.top()}, style, label);
painter.draw_string(Point{draw_rect.left() + (label_length_max + 1) * 8, draw_rect.top()}, style, value);
return {draw_rect.left(), draw_rect.top() + draw_rect.height(), draw_rect.width(), draw_rect.height()};
}
void BleRecentEntryDetailView::paint(Painter& painter) {
View::paint(painter);
const auto s = style();
const auto rect = screen_rect();
auto field_rect = Rect{rect.left(), rect.top() + 48, rect.width(), 16};
uint8_t type[total_data_lines];
uint8_t length[total_data_lines];
uint8_t data[total_data_lines][40];
int currentByte = 0;
int currentPacket = 0;
int i = 0;
int j = 0;
int k = 0;
for (currentByte = 0; (currentByte < entry_.packetData.dataLen) && (currentPacket < total_data_lines);) {
length[currentPacket] = entry_.packetData.data[currentByte++];
type[currentPacket] = entry_.packetData.data[currentByte++];
// Subtract 1 because type is part of the length.
for (i = 0; i < length[currentPacket] - 1; i++) {
data[currentPacket][i] = entry_.packetData.data[currentByte++];
}
currentPacket++;
}
for (i = 0; i < currentPacket; i++) {
uint8_t number_data_lines = ceil((float)(length[i] - 1) / 10.0);
uint8_t current_line = 0;
std::array<std::string, total_data_lines> data_strings{};
for (j = 0; (j < (number_data_lines * 10)) && (j < length[i] - 1); j++) {
if ((j / 10) != current_line) {
current_line++;
}
data_strings[current_line] += to_string_hex(data[i][j], 2);
}
// Read the type back to the total length.
field_rect = draw_field(painter, field_rect, s, to_string_hex(length[i]), to_string_hex(type[i]) + pad_string_with_spaces(3) + data_strings[0]);
if (number_data_lines > 1) {
for (k = 1; k < number_data_lines; k++) {
if (!data_strings[k].empty()) {
field_rect = draw_field(painter, field_rect, s, "", pad_string_with_spaces(5) + data_strings[k]);
}
}
}
}
}
void BleRecentEntryDetailView::set_entry(const BleRecentEntry& entry) {
entry_ = entry;
set_dirty();
}
void BleRecentEntryDetailView::launch_bletx(BleRecentEntry packetEntry) {
BLETxPacket bleTxPacket;
memset(&bleTxPacket, 0, sizeof(BLETxPacket));
std::string macAddressStr = to_string_mac_address(packetEntry.packetData.macAddress, 6, true);
strncpy(bleTxPacket.macAddress, macAddressStr.c_str(), 12);
strncpy(bleTxPacket.advertisementData, packetEntry.dataString.c_str(), packetEntry.packetData.dataLen * 2);
strncpy(bleTxPacket.packetCount, "50", 3);
bleTxPacket.packet_count = 50;
nav_.replace<BLETxView>(bleTxPacket);
}
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;
}
void BLERxView::focus() {
options_channel.focus();
}
BLERxView::BLERxView(NavigationView& nav)
: nav_{nav} {
baseband::run_image(portapack::spi_flash::image_tag_btle_rx);
add_children({&rssi,
&channel,
&field_rf_amp,
&field_lna,
&field_vga,
&options_channel,
&field_frequency,
&check_log,
&label_sort,
&options_sort,
&button_filter,
&button_switch,
&recent_entries_view,
&recent_entries_filter_view,
&recent_entry_detail_view});
recent_entry_detail_view.hidden(true);
recent_entries_filter_view.hidden(true);
recent_entries_view.on_select = [this](const BleRecentEntry& entry) {
nav_.push<BleRecentEntryDetailView>(entry);
};
recent_entries_filter_view.on_select = [this](const BleRecentEntry& entry) {
nav_.push<BleRecentEntryDetailView>(entry);
};
button_filter.on_select = [this, &nav](Button&) {
text_prompt(
nav,
filterBuffer,
64,
[this](std::string& buffer) {
on_switch_table(buffer);
});
};
button_switch.on_select = [this, &nav](Button&) {
nav_.set_on_pop([this]() { nav_.push<BLETxView>(); });
nav_.pop();
};
field_frequency.set_step(0);
check_log.set_value(logging);
check_log.on_select = [this](Checkbox&, bool v) {
str_log = "";
logging = v;
if (logger && logging)
logger->append(LOG_ROOT_DIR "/BLELOG_" + to_string_timestamp(rtc_time::now()) + ".TXT");
};
options_channel.on_change = [this](size_t, int32_t i) {
field_frequency.set_value(get_freq_by_channel_number(i));
channel_number = i;
baseband::set_btlerx(channel_number);
};
options_sort.on_change = [this](size_t, int32_t i) {
switch (i) {
case 0:
sortEntriesBy(
recent, [](const BleRecentEntry& entry) { return entry.macAddress; }, true);
sortEntriesBy(
filterEntries, [](const BleRecentEntry& entry) { return entry.macAddress; }, true);
break;
case 1:
sortEntriesBy(
recent, [](const BleRecentEntry& entry) { return entry.numHits; }, false);
sortEntriesBy(
filterEntries, [](const BleRecentEntry& entry) { return entry.numHits; }, false);
break;
case 2:
sortEntriesBy(
recent, [](const BleRecentEntry& entry) { return entry.dbValue; }, true);
sortEntriesBy(
filterEntries, [](const BleRecentEntry& entry) { return entry.dbValue; }, true);
break;
case 3:
sortEntriesBy(
recent, [](const BleRecentEntry& entry) { return entry.timestamp; }, false);
sortEntriesBy(
filterEntries, [](const BleRecentEntry& entry) { return entry.timestamp; }, false);
break;
case 4:
sortEntriesBy(
recent, [](const BleRecentEntry& entry) { return entry.nameString; }, true);
sortEntriesBy(
filterEntries, [](const BleRecentEntry& entry) { return entry.nameString; }, true);
break;
default:
break;
}
recent_entries_view.set_dirty();
recent_entries_filter_view.set_dirty();
};
options_channel.set_selected_index(0, true);
options_sort.set_selected_index(0, true);
logger = std::make_unique<BLELogger>();
// Auto-configure modem for LCR RX (will be removed later)
baseband::set_btlerx(channel_number);
receiver_model.enable();
}
void BLERxView::on_data(BlePacketData* packet) {
std::string str_console = "";
if (!logging) {
str_log = "";
}
switch ((ADV_PDU_TYPE)packet->type) {
case ADV_IND:
str_console += "ADV_IND";
break;
case ADV_DIRECT_IND:
str_console += "ADV_DIRECT_IND";
break;
case ADV_NONCONN_IND:
str_console += "ADV_NONCONN_IND";
break;
case SCAN_REQ:
str_console += "SCAN_REQ";
break;
case SCAN_RSP:
str_console += "SCAN_RSP";
break;
case CONNECT_REQ:
str_console += "CONNECT_REQ";
break;
case ADV_SCAN_IND:
str_console += "ADV_SCAN_IND";
break;
case RESERVED0:
case RESERVED1:
case RESERVED2:
case RESERVED3:
case RESERVED4:
case RESERVED5:
case RESERVED6:
case RESERVED7:
case RESERVED8:
str_console += "RESERVED";
break;
default:
str_console += "UNKNOWN";
break;
}
str_console += " Len:";
str_console += to_string_dec_uint(packet->size);
str_console += "\n";
str_console += "Mac:";
str_console += to_string_mac_address(packet->macAddress, 6, false);
str_console += "\n";
str_console += "Data:";
int i;
for (i = 0; i < packet->dataLen; i++) {
str_console += to_string_hex(packet->data[i], 2);
}
str_console += "\n";
uint64_t macAddressEncoded = copy_mac_address_to_uint64(packet->macAddress);
// Start of Packet stuffing.
// Masking off the top 2 bytes to avoid invalid keys.
auto& entry = ::on_packet(recent, macAddressEncoded & 0xFFFFFFFFFFFF);
truncate_entries(recent, 32);
updateEntry(packet, entry);
// Log at End of Packet.
if (logger && logging) {
logger->log_raw_data(str_console);
}
}
void BLERxView::on_switch_table(const std::string value) {
filter = value;
if (!value.empty()) {
removeEntriesWithoutKey(recent, filterEntries, [&value](const BleRecentEntry& entry) {
return entry.dataString.find(value) == std::string::npos;
});
recent_entries_view.set_dirty();
recent_entries_filter_view.hidden(false);
recent_entries_view.hidden(true);
} else {
recent_entries_view.hidden(false);
recent_entries_filter_view.hidden(true);
}
recent_entries_view.set_dirty();
recent_entries_filter_view.set_dirty();
}
void BLERxView::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 - switch_button_height};
recent_entries_view.set_parent_rect(content_rect);
recent_entry_detail_view.set_parent_rect(content_rect);
recent_entries_filter_view.set_parent_rect(content_rect);
}
BLERxView::~BLERxView() {
receiver_model.disable();
baseband::shutdown();
}
void BLERxView::updateEntry(const BlePacketData* packet, BleRecentEntry& entry) {
std::string data_string;
int i;
for (i = 0; i < packet->dataLen; i++) {
data_string += to_string_hex(packet->data[i], 2);
}
entry.dbValue = packet->max_dB;
entry.timestamp = to_string_timestamp(rtc_time::now());
entry.dataString = data_string;
entry.packetData.type = packet->type;
entry.packetData.size = packet->size;
entry.packetData.dataLen = packet->dataLen;
entry.packetData.macAddress[0] = packet->macAddress[0];
entry.packetData.macAddress[1] = packet->macAddress[1];
entry.packetData.macAddress[2] = packet->macAddress[2];
entry.packetData.macAddress[3] = packet->macAddress[3];
entry.packetData.macAddress[4] = packet->macAddress[4];
entry.packetData.macAddress[5] = packet->macAddress[5];
entry.numHits++;
for (int i = 0; i < packet->dataLen; i++) {
entry.packetData.data[i] = packet->data[i];
}
entry.nameString = "";
uint8_t currentByte = 0;
uint8_t length = 0;
uint8_t type = 0;
bool stringFound = false;
for (currentByte = 0; (currentByte < entry.packetData.dataLen);) {
length = entry.packetData.data[currentByte++];
type = entry.packetData.data[currentByte++];
// Subtract 1 because type is part of the length.
for (int i = 0; i < length - 1; i++) {
if (((type == 0x08) || (type == 0x09)) && !stringFound) {
entry.nameString += (char)entry.packetData.data[currentByte];
}
currentByte++;
}
if (!entry.nameString.empty()) {
stringFound = true;
}
}
switch (options_sort.selected_index()) {
case 0:
sortEntriesBy(
recent, [](const BleRecentEntry& entry) { return entry.macAddress; }, true);
sortEntriesBy(
filterEntries, [](const BleRecentEntry& entry) { return entry.macAddress; }, true);
break;
case 1:
sortEntriesBy(
recent, [](const BleRecentEntry& entry) { return entry.numHits; }, false);
sortEntriesBy(
filterEntries, [](const BleRecentEntry& entry) { return entry.numHits; }, false);
break;
case 2:
sortEntriesBy(
recent, [](const BleRecentEntry& entry) { return entry.dbValue; }, true);
sortEntriesBy(
filterEntries, [](const BleRecentEntry& entry) { return entry.dbValue; }, true);
break;
case 3:
sortEntriesBy(
recent, [](const BleRecentEntry& entry) { return entry.timestamp; }, false);
sortEntriesBy(
filterEntries, [](const BleRecentEntry& entry) { return entry.timestamp; }, false);
break;
case 4:
sortEntriesBy(
recent, [](const BleRecentEntry& entry) { return entry.nameString; }, true);
sortEntriesBy(
filterEntries, [](const BleRecentEntry& entry) { return entry.nameString; }, true);
break;
default:
break;
}
on_switch_table(filter);
// TODO: Crude hack, should be a more formal listener arrangement...
if (entry.key() == recent_entry_detail_view.entry().key()) {
recent_entry_detail_view.set_entry(entry);
}
}
} /* namespace ui */