" APP_TITLE " v" APP

#include #include #include #include #include #include #include #include #include #include #include #include char camera_config_val[sizeof(camera_config_entry)]; char frame_rate_val[6]; char frame_size_val[sizeof(frame_size_entry_t)]; char jpeg_quality_val[4]; auto config_group_stream_settings = iotwebconf::ParameterGroup("settings", "Streaming settings"); auto config_camera_config = iotwebconf::SelectParameter("Camera config", "config", camera_config_val, sizeof(camera_config_val), (const char *)camera_configs, (const char *)camera_configs, sizeof(camera_configs) / sizeof(camera_configs[0]), sizeof(camera_configs[0]), DEFAULT_CAMERA_CONFIG); auto config_frame_rate = iotwebconf::NumberParameter("Frame rate (ms)", "fr", frame_rate_val, sizeof(frame_rate_val), DEFAULT_FRAMERATE, nullptr, "min=\"10\""); auto config_frame_size = iotwebconf::SelectParameter("Frame size", "fs", frame_size_val, sizeof(frame_size_val), (const char *)frame_sizes, (const char *)frame_sizes, sizeof(frame_sizes) / sizeof(frame_sizes[0]), sizeof(frame_sizes[0]), DEFAULT_FRAMESIZE); auto config_jpg_quality = iotwebconf::NumberParameter("JPEG quality", "q", jpeg_quality_val, sizeof(jpeg_quality_val), DEFAULT_JPEG_QUALITY, nullptr, "min=\"1\" max=\"100\""); // Camera OV2640 cam; // DNS Server DNSServer dnsServer; // RTSP Server std::unique_ptr camera_server; // Web server WebServer web_server(80); IotWebConf iotWebConf(WIFI_SSID, &dnsServer, &web_server, WIFI_PASSWORD, CONFIG_VERSION); bool config_changed = false; void handle_root() { log_v("Handle root"); // Let IotWebConf test and handle captive portal requests. if (iotWebConf.handleCaptivePortal()) return; auto url = "rtsp://" + String(iotWebConf.getThingName()) + ".local:" + String(RTSP_PORT) + "/mjpeg/1"; String html; html += ""; html += "" APP_TITLE " v" APP_VERSION ""; html += ""; html += "

Status page for " + String(iotWebConf.getThingName()) + "

"; html += "

ESP32

"; html += "

CPU model: " + String(ESP.getChipModel()) + "
CPU speed: " + String(ESP.getCpuFreqMHz()) + "Mhz
Mac address: " + WiFi.macAddress() + "
IPv4 address: " + WiFi.localIP().toString() + "
IPv6 address: " + WiFi.localIPv6().toString() + "

"; html += "

Settings

"; html += "

Camera type: " + String(camera_config_val) + "
Frame size: " + String(frame_size_val) + "
Frame rate: " + String(frame_rate_val) + " ms (" + String(1000.0 / atol(frame_rate_val), 1) + " f/s)
JPEG quality: " + String(jpeg_quality_val) + " (0-100)

"; html += "

Diagnostics

"; html += "

Uptime: " + String(format_duration(millis() / 1000)) + "
Free heap: " + format_si(ESP.getFreeHeap()) + "b
Max free block: " + format_si(ESP.getMaxAllocHeap()) + "b

"; html += "
camera stream: " + url + ""; html += "
"; html += "
Go to configure page to change settings."; if (config_changed) { html += "
"; html += "

Configuration has changed. Please restart the device.

"; } html += ""; web_server.send(200, "text/html", html); } void handle_restart() { log_v("Handle restart"); if (config_changed) { String html; html += "

Restarting...

"; html += ""; html += "" APP_TITLE " v" APP_VERSION ""; html += ""; web_server.send(200, "text/html", html); log_v("Restarting... Press refresh to connect again"); sleep(250); ESP.restart(); } else { // Redirect to root page. web_server.sendHeader("Location", "/", true); web_server.send(302, "text/plain", ""); } } void on_config_saved() { log_v("on_config_saved"); config_changed = true; } bool initialize_camera() { log_v("initialize_camera"); log_i("Camera config: %s", camera_config_val); auto camera_config = lookup_camera_config(camera_config_val); log_i("Frame size: %s", frame_size_val); auto frame_size = lookup_frame_size(frame_size_val); log_i("JPEG quality: %s", jpeg_quality_val); auto jpeg_quality = atoi(jpeg_quality_val); log_i("Framerate: %s ms", frame_rate_val); camera_config.frame_size = frame_size; camera_config.jpeg_quality = jpeg_quality; return cam.init(camera_config) == ESP_OK; } void start_rtsp_server() { log_v("start_rtsp_server"); if (!initialize_camera()) { log_e("Failed to initialize camera. Type: %s, frame size: %s, frame rate: %s ms, jpeg quality: %s", camera_config_val, frame_size_val, frame_rate_val, jpeg_quality_val); return; } auto frame_rate = atol(frame_rate_val); camera_server = std::unique_ptr(new rtsp_server(cam, frame_rate, RTSP_PORT)); // Add service to mDNS - rtsp MDNS.addService("rtsp", "tcp", 554); } void on_connected() { log_v("on_connected"); start_rtsp_server(); } void setup() { // Disable brownout WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0); pinMode(LED_BUILTIN, OUTPUT); digitalWrite(LED_BUILTIN, false); #ifdef CORE_DEBUG_LEVEL Serial.begin(115200); Serial.setDebugOutput(true); #endif log_i("CPU Freq = %d Mhz", getCpuFrequencyMhz()); log_i("Free heap: %d bytes", ESP.getFreeHeap()); log_i("Starting " APP_TITLE "..."); config_group_stream_settings.addItem(&config_camera_config); config_group_stream_settings.addItem(&config_frame_rate); config_group_stream_settings.addItem(&config_frame_size); config_group_stream_settings.addItem(&config_jpg_quality); iotWebConf.addParameterGroup(&config_group_stream_settings); iotWebConf.getApTimeoutParameter()->visible = true; iotWebConf.setConfigSavedCallback(on_config_saved); iotWebConf.setWifiConnectionCallback(on_connected); iotWebConf.init(); // Set up required URL handlers on the web server web_server.on("/", HTTP_GET, handle_root); web_server.on("/config", [] { iotWebConf.handleConfig(); }); web_server.on("/restart", HTTP_GET, handle_restart); web_server.onNotFound([]() { iotWebConf.handleNotFound(); }); // Set DNS to thing name MDNS.begin(iotWebConf.getThingName()); // Add service to mDNS - http MDNS.addService("http", "tcp", 80); } void loop() { iotWebConf.doLoop(); if (camera_server) camera_server->doLoop(); }