diff options
Diffstat (limited to 'arduino/ESP32CameraWebServer/CameraWebServer.ino')
| -rw-r--r-- | arduino/ESP32CameraWebServer/CameraWebServer.ino | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/arduino/ESP32CameraWebServer/CameraWebServer.ino b/arduino/ESP32CameraWebServer/CameraWebServer.ino new file mode 100644 index 0000000..ef589d9 --- /dev/null +++ b/arduino/ESP32CameraWebServer/CameraWebServer.ino @@ -0,0 +1,165 @@ +#include "esp_camera.h" +#include <WiFi.h> + +// +// WARNING!!! PSRAM IC required for UXGA resolution and high JPEG quality +// Ensure ESP32 Wrover Module or other board with PSRAM is selected +// Partial images will be transmitted if image exceeds buffer size +// +// You must select partition scheme from the board menu that has at least 3MB APP space. +// Face Recognition is DISABLED for ESP32 and ESP32-S2, because it takes up from 15 +// seconds to process single frame. Face Detection is ENABLED if PSRAM is enabled as well + +// =================== +// Select camera model +// =================== +//#define CAMERA_MODEL_WROVER_KIT // Has PSRAM +//#define CAMERA_MODEL_ESP_EYE // Has PSRAM +//#define CAMERA_MODEL_ESP32S3_EYE // Has PSRAM +//#define CAMERA_MODEL_M5STACK_PSRAM // Has PSRAM +//#define CAMERA_MODEL_M5STACK_V2_PSRAM // M5Camera version B Has PSRAM +//#define CAMERA_MODEL_M5STACK_WIDE // Has PSRAM +//#define CAMERA_MODEL_M5STACK_ESP32CAM // No PSRAM +//#define CAMERA_MODEL_M5STACK_UNITCAM // No PSRAM +#define CAMERA_MODEL_AI_THINKER // Has PSRAM +//#define CAMERA_MODEL_TTGO_T_JOURNAL // No PSRAM +// ** Espressif Internal Boards ** +//#define CAMERA_MODEL_ESP32_CAM_BOARD +//#define CAMERA_MODEL_ESP32S2_CAM_BOARD +//#define CAMERA_MODEL_ESP32S3_CAM_LCD + +#include "camera_pins.h" + +// =========================== +// Enter your WiFi credentials +// =========================== +#include "wifi_password.h" + +volatile float disconnected_since = 0; + +void startCameraServer(); + +void onWiFiDisconnect(WiFiEvent_t event, WiFiEventInfo_t info) { + disconnected_since = millis(); + WiFi.reconnect(); +} + +void onWiFiConnect(WiFiEvent_t event, WiFiEventInfo_t info) { + disconnected_since = 0; +} + +void setup() { + Serial.begin(115200); + //Serial.setDebugOutput(true); + Serial.println(); + + camera_config_t config; + config.ledc_channel = LEDC_CHANNEL_0; + config.ledc_timer = LEDC_TIMER_0; + config.pin_d0 = Y2_GPIO_NUM; + config.pin_d1 = Y3_GPIO_NUM; + config.pin_d2 = Y4_GPIO_NUM; + config.pin_d3 = Y5_GPIO_NUM; + config.pin_d4 = Y6_GPIO_NUM; + config.pin_d5 = Y7_GPIO_NUM; + config.pin_d6 = Y8_GPIO_NUM; + config.pin_d7 = Y9_GPIO_NUM; + config.pin_xclk = XCLK_GPIO_NUM; + config.pin_pclk = PCLK_GPIO_NUM; + config.pin_vsync = VSYNC_GPIO_NUM; + config.pin_href = HREF_GPIO_NUM; + config.pin_sscb_sda = SIOD_GPIO_NUM; + config.pin_sscb_scl = SIOC_GPIO_NUM; + config.pin_pwdn = PWDN_GPIO_NUM; + config.pin_reset = RESET_GPIO_NUM; + config.xclk_freq_hz = 20000000; + config.frame_size = FRAMESIZE_UXGA; + config.pixel_format = PIXFORMAT_JPEG; // for streaming + //config.pixel_format = PIXFORMAT_RGB565; // for face detection/recognition + config.grab_mode = CAMERA_GRAB_WHEN_EMPTY; + config.fb_location = CAMERA_FB_IN_PSRAM; + config.jpeg_quality = 12; + config.fb_count = 1; + + // if PSRAM IC present, init with UXGA resolution and higher JPEG quality + // for larger pre-allocated frame buffer. + if(config.pixel_format == PIXFORMAT_JPEG){ + if(psramFound()){ + config.jpeg_quality = 10; + config.fb_count = 2; + config.grab_mode = CAMERA_GRAB_LATEST; + } else { + // Limit the frame size when PSRAM is not available + config.frame_size = FRAMESIZE_SVGA; + config.fb_location = CAMERA_FB_IN_DRAM; + } + } else { + // Best option for face detection/recognition + config.frame_size = FRAMESIZE_240X240; +#if CONFIG_IDF_TARGET_ESP32S3 + config.fb_count = 2; +#endif + } + +#if defined(CAMERA_MODEL_ESP_EYE) + pinMode(13, INPUT_PULLUP); + pinMode(14, INPUT_PULLUP); +#endif + + // camera init + esp_err_t err = esp_camera_init(&config); + if (err != ESP_OK) { + Serial.printf("Camera init failed with error 0x%x", err); + return; + } + + sensor_t * s = esp_camera_sensor_get(); + // initial sensors are flipped vertically and colors are a bit saturated + if (s->id.PID == OV3660_PID) { + s->set_vflip(s, 1); // flip it back + s->set_brightness(s, 1); // up the brightness just a bit + s->set_saturation(s, -2); // lower the saturation + } + // drop down frame size for higher initial frame rate + if(config.pixel_format == PIXFORMAT_JPEG){ + s->set_framesize(s, FRAMESIZE_QVGA); + } + +#if defined(CAMERA_MODEL_M5STACK_WIDE) || defined(CAMERA_MODEL_M5STACK_ESP32CAM) + s->set_vflip(s, 1); + s->set_hmirror(s, 1); +#endif + +#if defined(CAMERA_MODEL_ESP32S3_EYE) + s->set_vflip(s, 1); +#endif + + WiFi.onEvent(onWiFiDisconnect, ARDUINO_EVENT_WIFI_STA_DISCONNECTED); + WiFi.onEvent(onWiFiConnect, ARDUINO_EVENT_WIFI_STA_CONNECTED); + + WiFi.begin(ssid, password); + WiFi.setSleep(false); + + while (WiFi.status() != WL_CONNECTED) { + delay(500); + Serial.print("."); + } + Serial.println(""); + Serial.println("WiFi connected"); + + startCameraServer(); + + Serial.print("Camera Ready! Use 'http://"); + Serial.print(WiFi.localIP()); + Serial.println("' to connect"); +} + +void loop() { + if (disconnected_since != 0 && (millis() - disconnected_since) > 60000) { + ESP.restart(); + return; + } + + // Do nothing. Everything is done in another task by the web server + delay(10000); +} |