nitinGangurde
commented
1 month ago Below is the code
include
include
include
include <sys/param.h>
include
include "freertos/FreeRTOS.h"
include "freertos/task.h"
// support IDF 5.x
ifndef portTICK_RATE_MS
define portTICK_RATE_MS portTICK_PERIOD_MS
endif
include "esp_camera.h"
define BOARD_WROVER_KIT 1
// WROVER-KIT PIN Map
ifdef BOARD_WROVER_KIT
define CAM_PIN_PWDN -1 //power down is not used
define CAM_PIN_RESET 39 //software reset will be performed
define CAM_PIN_XCLK 38
define CAM_PIN_SIOD 5
define CAM_PIN_SIOC 4
define CAM_PIN_D7 9
define CAM_PIN_D6 10
define CAM_PIN_D5 11
define CAM_PIN_D4 13
define CAM_PIN_D3 21
define CAM_PIN_D2 48
define CAM_PIN_D1 47
define CAM_PIN_D0 14
define CAM_PIN_VSYNC 8
define CAM_PIN_HREF 18
define CAM_PIN_PCLK 12
endif
// ESP32Cam (AiThinker) PIN Map
ifdef BOARD_ESP32CAM_AITHINKER
define CAM_PIN_PWDN 32
define CAM_PIN_RESET -1 //software reset will be performed
define CAM_PIN_XCLK 0
define CAM_PIN_SIOD 26
define CAM_PIN_SIOC 27
define CAM_PIN_D7 35
define CAM_PIN_D6 34
define CAM_PIN_D5 39
define CAM_PIN_D4 36
define CAM_PIN_D3 21
define CAM_PIN_D2 19
define CAM_PIN_D1 18
define CAM_PIN_D0 5
define CAM_PIN_VSYNC 25
define CAM_PIN_HREF 23
define CAM_PIN_PCLK 22
endif
static const char *TAG = "example:take_picture";
if ESP_CAMERA_SUPPORTED
static camera_config_t camera_config = { .pin_pwdn = CAM_PIN_PWDN, .pin_reset = CAM_PIN_RESET, .pin_xclk = CAM_PIN_XCLK, .pin_sccb_sda = CAM_PIN_SIOD, .pin_sccb_scl = CAM_PIN_SIOC,
.pin_d7 = CAM_PIN_D7,
.pin_d6 = CAM_PIN_D6,
.pin_d5 = CAM_PIN_D5,
.pin_d4 = CAM_PIN_D4,
.pin_d3 = CAM_PIN_D3,
.pin_d2 = CAM_PIN_D2,
.pin_d1 = CAM_PIN_D1,
.pin_d0 = CAM_PIN_D0,
.pin_vsync = CAM_PIN_VSYNC,
.pin_href = CAM_PIN_HREF,
.pin_pclk = CAM_PIN_PCLK,
//XCLK 20MHz or 10MHz for OV2640 double FPS (Experimental)
.xclk_freq_hz = 20000000,
.ledc_timer = LEDC_TIMER_0,
.ledc_channel = LEDC_CHANNEL_0,
.pixel_format = PIXFORMAT_RGB565, //YUV422,GRAYSCALE,RGB565,JPEG
.frame_size = FRAMESIZE_240X240, //QQVGA-UXGA, For ESP32, do not use sizes above QVGA when not JPEG. The performance of the ESP32-S series has improved a lot, but JPEG mode always gives better frame rates.
.jpeg_quality = 12, //0-63, for OV series camera sensors, lower number means higher quality
.fb_count = 2, //When jpeg mode is used, if fb_count more than one, the driver will work in continuous mode.
.fb_location = CAMERA_FB_IN_PSRAM,
.grab_mode = CAMERA_GRAB_WHEN_EMPTY,};
static esp_err_t init_camera(void) { //initialize the camera esp_err_t err = esp_camera_init(&camera_config); if (err != ESP_OK) { ESP_LOGE(TAG, "Camera Initialization Unsuccessful"); ESP_LOGE(TAG, "Camera Init Failed"); return err; }
ESP_LOGE(TAG, "Camera Initialization Successful");
return ESP_OK;}
endif
void app_main(void) {
if ESP_CAMERA_SUPPORTED
if(ESP_OK != init_camera()) {
return;
}
while (1)
{
ESP_LOGI(TAG, "Taking picture...");
camera_fb_t *pic = esp_camera_fb_get();
// use pic->buf to access the image
ESP_LOGI(TAG, "Picture taken! Its size was: %zu bytes", pic->len);
esp_camera_fb_return(pic);
vTaskDelay(5000 / portTICK_RATE_MS);
}else
ESP_LOGE(TAG, "Camera support is not available for this chip");
return;endif
}
igrr
Answers checklist.
General issue report
I (335) s3 ll_cam: DMA Channel=0 I (335) cam_hal: cam init ok I (335) sccb: pin_sda 5 pin_scl 4 I (345) sccb: sccb_i2c_port=1 I (345) gpio: GPIO[39]| InputEn: 0| OutputEn: 1| OpenDrain: 0| Pullup: 0| Pulldown: 0| Intr:0 I (385) camera: Detected camera at address=0x30 I (385) camera: Detected OV2640 camera I (385) camera: Camera PID=0x26 VER=0x42 MIDL=0x7f MIDH=0xa2 I (465) s3 ll_cam: node_size: 7680, nodes_per_line: 1, lines_per_node: 16 I (465) s3 ll_cam: dma_half_buffer_min: 7680, dma_half_buffer: 7680, lines_per_half_buffer: 16, dma_buffer_size: 30720 I (475) cam_hal: buffer_size: 30720, half_buffer_size: 7680, node_buffer_size: 7680, node_cnt: 4, total_cnt: 15 I (485) cam_hal: Allocating 115200 Byte frame buffer in PSRAM E (485) cam_hal: cam_dma_config(301): frame buffer malloc failed E (495) cam_hal: cam_config(385): cam_dma_config failed E (505) gdma: gdma_disconnect(234): no peripheral is connected to the channel E (505) camera: Camera config failed with error 0xffffffff E (515) example:take_picture: Camera Initialization Unsuccessful E (525) example:take_picture: Camera Init Failed I (525) main_task: Returned from app_main()