Chat app update, EspNow v2 & GPS Info (#460)

This commit is contained in:
Shadowtrance
2026-01-27 02:32:57 +10:00
committed by GitHub
parent dfe2c865d1
commit 10381b10cd
18 changed files with 1547 additions and 124 deletions
+149 -111
View File
@@ -4,141 +4,179 @@
#if defined(CONFIG_SOC_WIFI_SUPPORTED) && !defined(CONFIG_SLAVE_SOC_WIFI_SUPPORTED)
#include <Tactility/app/chat/ChatAppPrivate.h>
#include <Tactility/app/chat/ChatProtocol.h>
#include <Tactility/app/AppManifest.h>
#include <Tactility/lvgl/Toolbar.h>
#include <Tactility/Assets.h>
#include <Tactility/Logger.h>
#include <Tactility/service/espnow/EspNow.h>
#include <Tactility/lvgl/LvglSync.h>
#include "Tactility/lvgl/LvglSync.h"
#include <cstdio>
#include <cstring>
#include <esp_wifi.h>
#include <lvgl.h>
#include <algorithm>
#include <cctype>
#include <cstdlib>
#include <vector>
namespace tt::app::chat {
static const auto LOGGER = Logger("ChatApp");
constexpr uint8_t BROADCAST_ADDRESS[ESP_NOW_ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
static constexpr uint8_t BROADCAST_ADDRESS[ESP_NOW_ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
class ChatApp : public App {
void ChatApp::enableEspNow() {
static uint8_t defaultKey[ESP_NOW_KEY_LEN] = {};
auto config = service::espnow::EspNowConfig(
settings.hasEncryptionKey ? settings.encryptionKey.data() : defaultKey,
service::espnow::Mode::Station,
1, // Channel 1 default; actual channel determined by WiFi if connected
false,
settings.hasEncryptionKey
);
service::espnow::enable(config);
}
lv_obj_t* msg_list = nullptr;
lv_obj_t* input_field = nullptr;
service::espnow::ReceiverSubscription receiveSubscription;
void addMessage(const char* message) {
lv_obj_t* msg_label = lv_label_create(msg_list);
lv_label_set_text(msg_label, message);
lv_obj_set_width(msg_label, lv_pct(100));
lv_label_set_long_mode(msg_label, LV_LABEL_LONG_WRAP);
lv_obj_set_style_text_align(msg_label, LV_TEXT_ALIGN_LEFT, 0);
lv_obj_set_style_pad_all(msg_label, 2, 0);
lv_obj_scroll_to_y(msg_list, lv_obj_get_scroll_y(msg_list) + 20, LV_ANIM_ON);
void ChatApp::disableEspNow() {
if (service::espnow::isEnabled()) {
service::espnow::disable();
}
}
static void onSendClicked(lv_event_t* e) {
auto* self = static_cast<ChatApp*>(lv_event_get_user_data(e));
auto* msg = lv_textarea_get_text(self->input_field);
const auto msg_len = strlen(msg);
if (self->msg_list && msg && msg_len) {
self->addMessage(msg);
if (!service::espnow::send(BROADCAST_ADDRESS, reinterpret_cast<const uint8_t*>(msg), msg_len)) {
LOGGER.error("Failed to send message");
}
lv_textarea_set_text(self->input_field, "");
}
void ChatApp::onCreate(AppContext& appContext) {
isFirstLaunch = !settingsFileExists();
settings = loadSettings();
state.setLocalNickname(settings.nickname);
if (!settings.chatChannel.empty()) {
state.setCurrentChannel(settings.chatChannel);
}
enableEspNow();
void onReceive(const esp_now_recv_info_t* receiveInfo, const uint8_t* data, int length) {
// Append \0 to make it a string
auto buffer = static_cast<char*>(malloc(length + 1));
memcpy(buffer, data, length);
buffer[length] = 0x00;
const std::string message_prefixed = std::string("Received: ") + buffer;
lvgl::getSyncLock()->lock();
addMessage(message_prefixed.c_str());
lvgl::getSyncLock()->unlock();
free(buffer);
}
public:
void onCreate(AppContext& appContext) override {
// TODO: Move this to a configuration screen/app
static const uint8_t key[ESP_NOW_KEY_LEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
auto config = service::espnow::EspNowConfig(
const_cast<uint8_t*>(key),
service::espnow::Mode::Station,
1,
false,
false
);
service::espnow::enable(config);
receiveSubscription = service::espnow::subscribeReceiver([this](const esp_now_recv_info_t* receiveInfo, const uint8_t* data, int length) {
receiveSubscription = service::espnow::subscribeReceiver(
[this](const esp_now_recv_info_t* receiveInfo, const uint8_t* data, int length) {
onReceive(receiveInfo, data, length);
});
}
void onDestroy(AppContext& appContext) override {
service::espnow::unsubscribeReceiver(receiveSubscription);
if (service::espnow::isEnabled()) {
service::espnow::disable();
}
);
}
void ChatApp::onDestroy(AppContext& appContext) {
service::espnow::unsubscribeReceiver(receiveSubscription);
disableEspNow();
}
void ChatApp::onShow(AppContext& context, lv_obj_t* parent) {
view.init(context, parent);
if (isFirstLaunch) {
view.showSettings(settings);
}
}
void ChatApp::onReceive(const esp_now_recv_info_t* receiveInfo, const uint8_t* data, int length) {
if (length <= 0) return;
ParsedMessage parsed;
if (!deserializeMessage(data, static_cast<size_t>(length), parsed)) {
return;
}
void onShow(AppContext& context, lv_obj_t* parent) override {
lv_obj_set_flex_flow(parent, LV_FLEX_FLOW_COLUMN);
lv_obj_set_style_pad_row(parent, 0, LV_STATE_DEFAULT);
StoredMessage msg;
msg.displayText = parsed.senderName + ": " + parsed.message;
msg.target = parsed.target;
msg.isOwn = false;
lvgl::toolbar_create(parent, context);
state.addMessage(msg);
// Message list
msg_list = lv_list_create(parent);
lv_obj_set_flex_grow(msg_list, 1);
lv_obj_set_width(msg_list, LV_PCT(100));
lv_obj_set_flex_grow(msg_list, 1);
lv_obj_set_style_bg_color(msg_list, lv_color_hex(0x262626), 0);
lv_obj_set_style_border_width(msg_list, 1, 0);
lv_obj_set_style_pad_ver(msg_list, 0, 0);
lv_obj_set_style_pad_hor(msg_list, 4, 0);
{
auto lock = lvgl::getSyncLock()->asScopedLock();
lock.lock();
view.displayMessage(msg);
}
}
// Input panel
auto* bottom_wrapper = lv_obj_create(parent);
lv_obj_set_flex_flow(bottom_wrapper, LV_FLEX_FLOW_ROW);
lv_obj_set_size(bottom_wrapper, LV_PCT(100), LV_SIZE_CONTENT);
lv_obj_set_style_pad_all(bottom_wrapper, 0, 0);
lv_obj_set_style_pad_column(bottom_wrapper, 4, 0);
lv_obj_set_style_border_opa(bottom_wrapper, 0, LV_STATE_DEFAULT);
void ChatApp::sendMessage(const std::string& text) {
if (text.empty()) return;
// Input field
input_field = lv_textarea_create(bottom_wrapper);
lv_obj_set_flex_grow(input_field, 1);
lv_textarea_set_placeholder_text(input_field, "Type a message...");
lv_textarea_set_one_line(input_field, true);
std::string nickname = state.getLocalNickname();
std::string channel = state.getCurrentChannel();
// Send button
auto* send_btn = lv_button_create(bottom_wrapper);
lv_obj_set_style_margin_all(send_btn, 0, LV_STATE_DEFAULT);
lv_obj_set_style_margin_top(send_btn, 2, LV_STATE_DEFAULT); // Hack to fix alignment
lv_obj_add_event_cb(send_btn, onSendClicked, LV_EVENT_CLICKED, this);
auto* btn_label = lv_label_create(send_btn);
lv_label_set_text(btn_label, "Send");
lv_obj_center(btn_label);
std::vector<uint8_t> wireMsg;
if (!serializeTextMessage(settings.senderId, BROADCAST_ID, nickname, channel, text, wireMsg)) {
LOGGER.error("Failed to serialize message");
return;
}
~ChatApp() override = default;
};
if (!service::espnow::send(BROADCAST_ADDRESS, wireMsg.data(), wireMsg.size())) {
LOGGER.error("Failed to send message");
return;
}
StoredMessage msg;
msg.displayText = nickname + ": " + text;
msg.target = channel;
msg.isOwn = true;
state.addMessage(msg);
{
auto lock = lvgl::getSyncLock()->asScopedLock();
lock.lock();
view.displayMessage(msg);
}
}
void ChatApp::applySettings(const std::string& nickname, const std::string& keyHex) {
bool needRestart = false;
// Trim nickname to protocol limit
settings.nickname = nickname.substr(0, MAX_NICKNAME_LEN);
// Parse hex key
if (keyHex.size() == ESP_NOW_KEY_LEN * 2) {
bool validHex = std::all_of(keyHex.begin(), keyHex.end(), [](unsigned char c) { return std::isxdigit(c); });
if (validHex) {
uint8_t newKey[ESP_NOW_KEY_LEN];
for (int i = 0; i < ESP_NOW_KEY_LEN; i++) {
char hex[3] = { keyHex[i * 2], keyHex[i * 2 + 1], 0 };
newKey[i] = static_cast<uint8_t>(strtoul(hex, nullptr, 16));
}
// Restart if key changed OR if encryption is being enabled
bool wasEnabled = settings.hasEncryptionKey;
if (!wasEnabled || !std::equal(newKey, newKey + ESP_NOW_KEY_LEN, settings.encryptionKey.begin())) {
std::copy(newKey, newKey + ESP_NOW_KEY_LEN, settings.encryptionKey.begin());
needRestart = true;
}
settings.hasEncryptionKey = true;
} else {
LOGGER.warn("Invalid hex characters in encryption key");
}
} else if (keyHex.empty()) {
if (settings.hasEncryptionKey) {
settings.encryptionKey.fill(0);
settings.hasEncryptionKey = false;
needRestart = true;
}
} else {
LOGGER.warn("Key must be exactly {} hex characters, got {}", ESP_NOW_KEY_LEN * 2, keyHex.size());
}
state.setLocalNickname(settings.nickname);
saveSettings(settings);
if (needRestart) {
disableEspNow();
enableEspNow();
}
}
void ChatApp::switchChannel(const std::string& chatChannel) {
const auto trimmedChannel = chatChannel.substr(0, MAX_TARGET_LEN);
state.setCurrentChannel(trimmedChannel);
settings.chatChannel = trimmedChannel;
saveSettings(settings);
{
auto lock = lvgl::getSyncLock()->asScopedLock();
lock.lock();
view.refreshMessageList();
}
}
extern const AppManifest manifest = {
.appId = "Chat",
@@ -147,6 +185,6 @@ extern const AppManifest manifest = {
.createApp = create<ChatApp>
};
}
} // namespace tt::app::chat
#endif // CONFIG_SOC_WIFI_SUPPORTED && !CONFIG_SLAVE_SOC_WIFI_SUPPORTED