CAMERA_FB_IN_PSRAM:此选项用于指定摄像头帧缓冲区是否应存储在PSRAM(外部SPI PSRAM)中。要使用PSRAM,必须先在ESP32-CAM上正确配置并连接PSRAM芯片,并在编译时启用PSRAM支持。此外,启用PSRAM后,可能还需要调整片上RAM与PSRAM的分配和使用方式,以确保恰当的内存管理和分配。因此,在使用CAMERA_FB
.fb_location = CAMERA_FB_IN_PSRAM, .grab_mode = CAMERA_GRAB_WHEN_EMPTY, }; /* Function definitions --- */ bool ei_camera_init(void); void ei_camera_deinit(void); bool ei_camera_capture(uint32_t img_width, uint32_t img_height, uint8_t *out_buf); /** * @brief Arduino setup...
config.pixel_format = PIXFORMAT_JPEG; 对于具有PSRAM的相机,请使用以下设置(例如本教程中使用的设置)。 if(psramFound()){ config.frame_size = FRAMESIZE_UXGA; // FRAMESIZE_ + QVGA|CIF|VGA|SVGA|XGA|SXGA|UXGA config.jpeg_quality = 10; config.fb_count = 2; } 如果该开发板没有PSRAM,请进行以...
.fb_location = CAMERA_FB_IN_PSRAM, // 帧缓冲区存储在 PSRAM 中以提高性能。 .grab_mode = CAMERA_GRAB_WHEN_EMPTY, // 仅当帧缓冲区为空时摄像头才抓取帧。 }; pin_pwdn和pin_reset:用于电源关闭和重置信号的 GPIO 引脚。如果未使用,则设置为-1。 pin_xclk:用于摄像头外部时钟的 GPIO 引脚。 pin...
config.frame_size = FRAMESIZE_SVGA; // 2560x1440; config.pixel_format = PIXFORMAT_JPEG; // for streaming config.grab_mode = CAMERA_GRAB_WHEN_EMPTY; config.fb_location = CAMERA_FB_IN_PSRAM; config.jpeg_quality = 10; config.fb_count = 1; ...
import camera app = Microdot() @app.route('/image_feed') def image_feed(request): led_blink_timed(timer, led_pin, state='BUSY') while not camera.init(0, format=camera.JPEG, fb_location=camera.PSRAM): time.sleep(1) frame = camera.capture() ...
ESP_LOGE(TAG, "Camera config failed with error 0x%x", err); goto fail; } s_state->sensor.status.framesize = frame_size; //格式:JPEG,RGB,RAW s_state->sensor.pixformat = pix_format; ESP_LOGD(TAG, "Setting frame size to %dx%d", resolution[frame_size].width, ...
//#define CAMERA_MODEL_M5STACK_PSRAM //#define CAMERA_MODEL_M5STACK_WITHOUT_PSRAM //Not tested with this model //#define CAMERA_MODEL_WROVER_KIT #if defined(CAMERA_MODEL_WROVER_KIT) #define PWDN_GPIO_NUM -1 #define RESET_GPIO_NUM -1 ...
if(psramFound()){ config.frame_size = FRAMESIZE_UXGA; config.jpeg_quality = 10; config.fb_count = 2; } else { config.frame_size = FRAMESIZE_SVGA; config.jpeg_quality = 12; config.fb_count = 1; } #if defined(CAMERA_MODEL_ESP_EYE) pinMode(13, INPUT_PULLUP); pinMode(14, ...
void setupCamera() { while (axp.begin() != 0) { Serial.println("init error"); delay(1000); } axp.enableCameraPower(axp.eOV2640); camera_config_t config; config.ledc_channel = LEDC_CHANNEL_0; config.ledc_timer = LEDC_TIMER_0; ...