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camera.ino
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#define PWDN_GPIO_NUM 41
#define RESET_GPIO_NUM 42
#define XCLK_GPIO_NUM 15
#define SIOD_GPIO_NUM 4
#define SIOC_GPIO_NUM 5
#define Y9_GPIO_NUM 16
#define Y8_GPIO_NUM 17
#define Y7_GPIO_NUM 18
#define Y6_GPIO_NUM 12
#define Y5_GPIO_NUM 10
#define Y4_GPIO_NUM 8
#define Y3_GPIO_NUM 9
#define Y2_GPIO_NUM 11
#define VSYNC_GPIO_NUM 6
#define HREF_GPIO_NUM 7
#define PCLK_GPIO_NUM 13
#define LED_GPIO_NUM -1
void cameraInit(){
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_QVGA;//FRAMESIZE_QVGA;
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 = 10;
config.fb_count = 1;
if(config.pixel_format == PIXFORMAT_JPEG){
if(psramFound()){
config.jpeg_quality = 5;
config.fb_count = 2;
config.grab_mode = CAMERA_GRAB_LATEST;
} else {
// Limit the frame size when PSRAM is not available
config.frame_size = FRAMESIZE_QVGA;;
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
}
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();
s->set_brightness(s, 0); // -2 to 2
s->set_contrast(s, 2); // -2 to 2
s->set_saturation(s, 0); // -2 to 2
s->set_special_effect(s, 0); // 0 to 6 (0 - No Effect, 1 - Negative, 2 - Grayscale, 3 - Red Tint, 4 - Green Tint, 5 - Blue Tint, 6 - Sepia)
s->set_whitebal(s, 1); // 0 = disable , 1 = enable
s->set_awb_gain(s, 1); // 0 = disable , 1 = enable
s->set_wb_mode(s, 0); // 0 to 4 - if awb_gain enabled (0 - Auto, 1 - Sunny, 2 - Cloudy, 3 - Office, 4 - Home)
s->set_exposure_ctrl(s, 0); // 0 = disable , 1 = enable
s->set_aec2(s, 1); // 0 = disable , 1 = enable
s->set_ae_level(s, 2); // -2 to 2
s->set_aec_value(s, 800); // 0 to 1200
s->set_gain_ctrl(s, 1); // 0 = disable , 1 = enable
s->set_agc_gain(s, 0); // 0 to 30
s->set_gainceiling(s, (gainceiling_t)6); // 0 to 6
s->set_bpc(s, 1); // 0 = disable , 1 = enable
s->set_wpc(s, 1); // 0 = disable , 1 = enable
s->set_raw_gma(s, 1); // 0 = disable , 1 = enable
s->set_lenc(s, 1); // 0 = disable , 1 = enable
s->set_hmirror(s, 1); // 0 = disable , 1 = enable
s->set_vflip(s, 0); // 0 = disable , 1 = enable
s->set_dcw(s, 1); // 0 = disable , 1 = enable
s->set_colorbar(s, 0); // 0 = disable , 1 = enable
}
void showingImage(){
camera_fb_t* fb = esp_camera_fb_get();
if(!fb || fb->format != PIXFORMAT_JPEG){
Serial.println("Camera Capture Failed!");
}else{
// Serial.println("Camera Image to Display Here!");
int textAreaHeight = 30; // Adjust this according to your text size and position
TJpgDec.drawJpg(0, 0, (const uint8_t*)fb->buf, fb->len);
// Draw a black rectangle at the bottom of the display
}
esp_camera_fb_return(fb);
}
void update_setting(){
if(value_change_flag==1){
sensor_t * s = esp_camera_sensor_get();
s->set_brightness(s, parameters[0].value); // -2 to 2
s->set_contrast(s, parameters[1].value); // -2 to 2
s->set_saturation(s, parameters[2].value); // -2 to 2
s->set_special_effect(s, parameters[3].value); // 0 to 6 (0 - No Effect, 1 - Negative, 2 - Grayscale, 3 - Red Tint, 4 - Green Tint, 5 - Blue Tint, 6 - Sepia)
s->set_whitebal(s, parameters[4].value); // 0 = disable , 1 = enable
s->set_awb_gain(s, parameters[5].value); // 0 = disable , 1 = enable
s->set_wb_mode(s, parameters[6].value); // 0 to 4 - if awb_gain enabled (0 - Auto, 1 - Sunny, 2 - Cloudy, 3 - Office, 4 - Home)
s->set_exposure_ctrl(s, parameters[7].value); // 0 = disable , 1 = enable
s->set_aec2(s, parameters[8].value); // 0 = disable , 1 = enable
s->set_ae_level(s, parameters[9].value); // -2 to 2
s->set_aec_value(s, parameters[10].value); // 0 to 1200
s->set_gain_ctrl(s, parameters[11].value); // 0 = disable , 1 = enable
s->set_agc_gain(s, parameters[12].value); // 0 to 30
s->set_gainceiling(s, (gainceiling_t)parameters[13].value); // 0 to 6
s->set_bpc(s, parameters[14].value); // 0 = disable , 1 = enable
s->set_wpc(s, parameters[15].value); // 0 = disable , 1 = enable
s->set_raw_gma(s, parameters[16].value); // 0 = disable , 1 = enable
s->set_lenc(s, parameters[17].value); // 0 = disable , 1 = enable
s->set_hmirror(s, 1); // 0 = disable , 1 = enable
s->set_vflip(s, 0); // 0 = disable , 1 = enable
s->set_dcw(s, parameters[20].value); // 0 = disable , 1 = enable
s->set_colorbar(s, parameters[21].value); // 0 = disable , 1 = enable
value_change_flag=0;
delay(300);
}
}