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February 16, 2024 19:41
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#include "esp_camera.h" | |
#include <WiFi.h> | |
#include "soc/soc.h" | |
#include "soc/rtc_cntl_reg.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 | |
//#define CAMERA_MODEL_XIAO_ESP32S3 // Has PSRAM | |
// ** Espressif Internal Boards ** | |
//#define CAMERA_MODEL_ESP32_CAM_BOARD | |
//#define CAMERA_MODEL_ESP32S2_CAM_BOARD | |
//#define CAMERA_MODEL_ESP32S3_CAM_LCD | |
//#define CAMERA_MODEL_DFRobot_FireBeetle2_ESP32S3 // Has PSRAM | |
//#define CAMERA_MODEL_DFRobot_Romeo_ESP32S3 // Has PSRAM | |
#include "camera_pins.h" | |
// =========================== | |
// Enter your WiFi credentials | |
// =========================== | |
const char* ssid = "REPLACE_WITH_WIFI_SSID"; | |
const char* password = "REPLACE_WITH_WIFI_PASSWORD"; | |
void startCameraServer(); | |
void setupLedFlash(int pin); | |
void setup() { | |
WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0); | |
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_sccb_sda = SIOD_GPIO_NUM; | |
config.pin_sccb_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 | |
// Setup LED FLash if LED pin is defined in camera_pins.h | |
#if defined(LED_GPIO_NUM) | |
setupLedFlash(LED_GPIO_NUM); | |
#endif | |
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() { | |
// Do nothing. Everything is done in another task by the web server | |
delay(10000); | |
} |
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