#12 – Robotics

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#DonLucElectronics #DonLuc #Camera #ESP32CAM #ESP32 #IoT #Project #Fritzing #Programming #Electronics #Microcontrollers #Consultant

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ESP32-CAM Video Streaming Web Server

ESP32-CAM to stream live feed from the OV2640 camera to a Cell Phones browser.

DL2602Mk04

1 x ESP32-CAM
1 x OV2640 Camera
1 x ESP32-CAM-MB Adapter
1 x Cell Phones
1 x USB Battery Pack
1 x Micro USB Cable

DL2602Mk04p

DL2602Mk04p.ino

/****** Don Luc Electronics © ******
Software Version Information
Project #12: Robotics - Web Server - Mk32
12-32
DL2602Mk04p.ino
DL2602Mk04
1 x ESP32-CAM
1 x OV2640 Camera
1 x ESP32-CAM-MB Adapter
1 x Cell Phones
1 x USB Battery Pack
1 x Micro USB Cable
*/

// Include the Library Code
 // ESP Camera
#include "esp_camera.h"
// WifI
#include <WiFi.h>

//#define CAMERA_MODEL_AI_THINKER
const char* ssid1 = "Robot_Mk32";
const char* password1 = "";

// Pin definition for CAMERA_MODEL_AI_THINKER
#define PWDN_GPIO_NUM     32
#define RESET_GPIO_NUM    -1
#define XCLK_GPIO_NUM      0
#define SIOD_GPIO_NUM     26
#define SIOC_GPIO_NUM     27
#define Y9_GPIO_NUM       35
#define Y8_GPIO_NUM       34
#define Y7_GPIO_NUM       39
#define Y6_GPIO_NUM       36
#define Y5_GPIO_NUM       21
#define Y4_GPIO_NUM       19
#define Y3_GPIO_NUM       18
#define Y2_GPIO_NUM        5
#define VSYNC_GPIO_NUM    25
#define HREF_GPIO_NUM     23
#define PCLK_GPIO_NUM     22

// WiFi Addr
extern String WiFiAddr ="";

// Camera Server
void startCameraServer();

// Software Version Information
String sver = "12-32";

void loop() {
  
}

app_httpd.cpp

// WiFi Server
#include "esp_http_server.h"
// Timer
#include "esp_timer.h"
// Camera
#include "esp_camera.h"
// Converters
#include "img_converters.h"
// Camera Index
#include "camera_index.h"
// Arduino
#include "Arduino.h"
// LED
#include "driver/ledc.h"
// Disable brownout problems
#include "soc/soc.h"
// Disable brownout problems
#include "soc/rtc_cntl_reg.h" 
// Driver
#include "driver/rtc_io.h"

// WiFi
extern String WiFiAddr;

// 
typedef struct {
        size_t size; //number of values used for filtering
        size_t index; //current value index
        size_t count; //value count
        int sum;
        int * values; //array to be filled with values
} ra_filter_t;

typedef struct {
        httpd_req_t *req;
        size_t len;
} jpg_chunking_t;

#define PART_BOUNDARY "123456789000000000000987654321"
static const char* _STREAM_CONTENT_TYPE = "multipart/x-mixed-replace;boundary=" PART_BOUNDARY;
static const char* _STREAM_BOUNDARY = "\r\n--" PART_BOUNDARY "\r\n";
static const char* _STREAM_PART = "Content-Type: image/jpeg\r\nContent-Length: %u\r\n\r\n";

static ra_filter_t ra_filter;
httpd_handle_t stream_httpd = NULL;
httpd_handle_t camera_httpd = NULL;

static ra_filter_t * ra_filter_init(ra_filter_t * filter, size_t sample_size){
    memset(filter, 0, sizeof(ra_filter_t));

    filter->values = (int *)malloc(sample_size * sizeof(int));
    if(!filter->values){
        return NULL;
    }
    memset(filter->values, 0, sample_size * sizeof(int));

    filter->size = sample_size;
    return filter;
}

static int ra_filter_run(ra_filter_t * filter, int value){
    if(!filter->values){
        return value;
    }
    filter->sum -= filter->values[filter->index];
    filter->values[filter->index] = value;
    filter->sum += filter->values[filter->index];
    filter->index++;
    filter->index = filter->index % filter->size;
    if (filter->count < filter->size) {
        filter->count++;
    }
    return filter->sum / filter->count;
}

static size_t jpg_encode_stream(void * arg, size_t index, const void* data, size_t len){
    jpg_chunking_t *j = (jpg_chunking_t *)arg;
    if(!index){
        j->len = 0;
    }
    if(httpd_resp_send_chunk(j->req, (const char *)data, len) != ESP_OK){
        return 0;
    }
    j->len += len;
    return len;
}

static esp_err_t capture_handler(httpd_req_t *req){
    camera_fb_t * fb = NULL;
    esp_err_t res = ESP_OK;
    int64_t fr_start = esp_timer_get_time();

    fb = esp_camera_fb_get();
    if (!fb) {
        //Serial.printf("Camera capture failed");
        httpd_resp_send_500(req);
        return ESP_FAIL;
    }

    httpd_resp_set_type(req, "image/jpeg");
    httpd_resp_set_hdr(req, "Content-Disposition", "inline; filename=capture.jpg");

    size_t fb_len = 0;
    if(fb->format == PIXFORMAT_JPEG){
        fb_len = fb->len;
        res = httpd_resp_send(req, (const char *)fb->buf, fb->len);
    } else {
        jpg_chunking_t jchunk = {req, 0};
        res = frame2jpg_cb(fb, 80, jpg_encode_stream, &jchunk)?ESP_OK:ESP_FAIL;
        httpd_resp_send_chunk(req, NULL, 0);
        fb_len = jchunk.len;
    }
    esp_camera_fb_return(fb);
    int64_t fr_end = esp_timer_get_time();
    Serial.printf("JPG: %uB %ums", (uint32_t)(fb_len), (uint32_t)((fr_end - fr_start)/1000));
    return res;
}

static esp_err_t stream_handler(httpd_req_t *req){
    camera_fb_t * fb = NULL;
    esp_err_t res = ESP_OK;
    size_t _jpg_buf_len = 0;
    uint8_t * _jpg_buf = NULL;
    char * part_buf[64];

    static int64_t last_frame = 0;
    if(!last_frame) {
        last_frame = esp_timer_get_time();
    }

    res = httpd_resp_set_type(req, _STREAM_CONTENT_TYPE);
    if(res != ESP_OK){
        return res;
    }

    while(true){
        fb = esp_camera_fb_get();
        if (!fb) {
            Serial.printf("Camera capture failed");
            res = ESP_FAIL;
        } else {
            if(fb->format != PIXFORMAT_JPEG){
                bool jpeg_converted = frame2jpg(fb, 80, &_jpg_buf, &_jpg_buf_len);
                esp_camera_fb_return(fb);
                fb = NULL;
                if(!jpeg_converted){
                    Serial.printf("JPEG compression failed");
                    res = ESP_FAIL;
                }
            } else {
                _jpg_buf_len = fb->len;
                _jpg_buf = fb->buf;
            }
        }
        if(res == ESP_OK){
            size_t hlen = snprintf((char *)part_buf, 64, _STREAM_PART, _jpg_buf_len);
            res = httpd_resp_send_chunk(req, (const char *)part_buf, hlen);
        }
        if(res == ESP_OK){
            res = httpd_resp_send_chunk(req, (const char *)_jpg_buf, _jpg_buf_len);
        }
        if(res == ESP_OK){
            res = httpd_resp_send_chunk(req, _STREAM_BOUNDARY, strlen(_STREAM_BOUNDARY));
        }
        if(fb){
            esp_camera_fb_return(fb);
            fb = NULL;
            _jpg_buf = NULL;
        } else if(_jpg_buf){
            free(_jpg_buf);
            _jpg_buf = NULL;
        }
        if(res != ESP_OK){
            break;
        }
        int64_t fr_end = esp_timer_get_time();

        int64_t frame_time = fr_end - last_frame;
        last_frame = fr_end;
        frame_time /= 1000;
        uint32_t avg_frame_time = ra_filter_run(&ra_filter, frame_time);
        Serial.printf("MJPG: %uB %ums (%.1ffps), AVG: %ums (%.1ffps)"
            ,(uint32_t)(_jpg_buf_len),
            (uint32_t)frame_time, 1000.0 / (uint32_t)frame_time,
            avg_frame_time, 1000.0 / avg_frame_time
        );
    }

    last_frame = 0;
    return res;
}

static esp_err_t cmd_handler(httpd_req_t *req){
    char*  buf;
    size_t buf_len;
    char variable[32] = {0,};
    char value[32] = {0,};

    buf_len = httpd_req_get_url_query_len(req) + 1;
    if (buf_len > 1) {
        buf = (char*)malloc(buf_len);
        if(!buf){
            httpd_resp_send_500(req);
            return ESP_FAIL;
        }
        if (httpd_req_get_url_query_str(req, buf, buf_len) == ESP_OK) {
            if (httpd_query_key_value(buf, "var", variable, sizeof(variable)) == ESP_OK &&
                httpd_query_key_value(buf, "val", value, sizeof(value)) == ESP_OK) {
            } else {
                free(buf);
                httpd_resp_send_404(req);
                return ESP_FAIL;
            }
        } else {
            free(buf);
            httpd_resp_send_404(req);
            return ESP_FAIL;
        }
        free(buf);
    } else {
        httpd_resp_send_404(req);
        return ESP_FAIL;
    }

    int val = atoi(value);
    sensor_t * s = esp_camera_sensor_get();
    int res = 0;

    if(!strcmp(variable, "framesize")) {
        if(s->pixformat == PIXFORMAT_JPEG) res = s->set_framesize(s, (framesize_t)val);
    }
    else if(!strcmp(variable, "quality")) res = s->set_quality(s, val);
    else if(!strcmp(variable, "contrast")) res = s->set_contrast(s, val);
    else if(!strcmp(variable, "brightness")) res = s->set_brightness(s, val);
    else if(!strcmp(variable, "saturation")) res = s->set_saturation(s, val);
    else if(!strcmp(variable, "gainceiling")) res = s->set_gainceiling(s, (gainceiling_t)val);
    else if(!strcmp(variable, "colorbar")) res = s->set_colorbar(s, val);
    else if(!strcmp(variable, "awb")) res = s->set_whitebal(s, val);
    else if(!strcmp(variable, "agc")) res = s->set_gain_ctrl(s, val);
    else if(!strcmp(variable, "aec")) res = s->set_exposure_ctrl(s, val);
    else if(!strcmp(variable, "hmirror")) res = s->set_hmirror(s, val);
    else if(!strcmp(variable, "vflip")) res = s->set_vflip(s, val);
    else if(!strcmp(variable, "awb_gain")) res = s->set_awb_gain(s, val);
    else if(!strcmp(variable, "agc_gain")) res = s->set_agc_gain(s, val);
    else if(!strcmp(variable, "aec_value")) res = s->set_aec_value(s, val);
    else if(!strcmp(variable, "aec2")) res = s->set_aec2(s, val);
    else if(!strcmp(variable, "dcw")) res = s->set_dcw(s, val);
    else if(!strcmp(variable, "bpc")) res = s->set_bpc(s, val);
    else if(!strcmp(variable, "wpc")) res = s->set_wpc(s, val);
    else if(!strcmp(variable, "raw_gma")) res = s->set_raw_gma(s, val);
    else if(!strcmp(variable, "lenc")) res = s->set_lenc(s, val);
    else if(!strcmp(variable, "special_effect")) res = s->set_special_effect(s, val);
    else if(!strcmp(variable, "wb_mode")) res = s->set_wb_mode(s, val);
    else if(!strcmp(variable, "ae_level")) res = s->set_ae_level(s, val);
    else {
        res = -1;
    }

    if(res){
        return httpd_resp_send_500(req);
    }

    httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
    return httpd_resp_send(req, NULL, 0);
}

static esp_err_t status_handler(httpd_req_t *req){
    static char json_response[1024];

    sensor_t * s = esp_camera_sensor_get();
    char * p = json_response;
    *p++ = '{';

    p+=sprintf(p, "\"framesize\":%u,", s->status.framesize);
    p+=sprintf(p, "\"quality\":%u,", s->status.quality);
    p+=sprintf(p, "\"brightness\":%d,", s->status.brightness);
    p+=sprintf(p, "\"contrast\":%d,", s->status.contrast);
    p+=sprintf(p, "\"saturation\":%d,", s->status.saturation);
    p+=sprintf(p, "\"special_effect\":%u,", s->status.special_effect);
    p+=sprintf(p, "\"wb_mode\":%u,", s->status.wb_mode);
    p+=sprintf(p, "\"awb\":%u,", s->status.awb);
    p+=sprintf(p, "\"awb_gain\":%u,", s->status.awb_gain);
    p+=sprintf(p, "\"aec\":%u,", s->status.aec);
    p+=sprintf(p, "\"aec2\":%u,", s->status.aec2);
    p+=sprintf(p, "\"ae_level\":%d,", s->status.ae_level);
    p+=sprintf(p, "\"aec_value\":%u,", s->status.aec_value);
    p+=sprintf(p, "\"agc\":%u,", s->status.agc);
    p+=sprintf(p, "\"agc_gain\":%u,", s->status.agc_gain);
    p+=sprintf(p, "\"gainceiling\":%u,", s->status.gainceiling);
    p+=sprintf(p, "\"bpc\":%u,", s->status.bpc);
    p+=sprintf(p, "\"wpc\":%u,", s->status.wpc);
    p+=sprintf(p, "\"raw_gma\":%u,", s->status.raw_gma);
    p+=sprintf(p, "\"lenc\":%u,", s->status.lenc);
    p+=sprintf(p, "\"hmirror\":%u,", s->status.hmirror);
    p+=sprintf(p, "\"dcw\":%u,", s->status.dcw);
    p+=sprintf(p, "\"colorbar\":%u", s->status.colorbar);
    *p++ = '}';
    *p++ = 0;
    httpd_resp_set_type(req, "application/json");
    httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
    return httpd_resp_send(req, json_response, strlen(json_response));
}

static esp_err_t index_handler(httpd_req_t *req){
   httpd_resp_set_type(req, "text/html");
   String page = "";
page += "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0\">\n";
page +="<style>.test{-moz-user-select: none;-o-user-select:none;-khtml-user-select:none;-webkit-user-select:none;-ms-user-select:none;user-select:none;}</style>";

page += "<script>var xhttp = new XMLHttpRequest();</script>";
page += "<script>function getsend(arg) { xhttp.open('GET', arg +'?' + new Date().getTime(), true); xhttp.send() } </script>";
//page += "<p align=center><IMG SRC='http://" + WiFiAddr + ":81/stream' style='width:280px;'></p><br/><br/>";
page += "<p align=center><IMG SRC='http://" + WiFiAddr + ":81/stream' style='width:300px; transform:rotate(0deg);'></p><br/><br/>";
page +="<div unselectable=\"on\" onselectstart=\"return false\">";
//page += "<p align=center> <button style=background-color:Green;width:90px;height:80px onmousedown=getsend('go') onmouseup=getsend('stop') ontouchstart=getsend('go') ontouchend=getsend('stop') ><b>Forward</b></button> </p>";
page += "<p align=center>";
//page += "<button style=background-color:Green;width:90px;height:80px; onmousedown=getsend('left') onmouseup=getsend('stop') ontouchstart=getsend('left') ontouchend=getsend('stop')><b>Left</b></button> ";
//page += "<button style=background-color:Red;width:90px;height:80px onmousedown=getsend('stop') onmouseup=getsend('stop')><b>Stop</b></button> ";
//page += "<button style=background-color:Green;width:90px;height:80px onmousedown=getsend('right') onmouseup=getsend('stop') ontouchstart=getsend('right') ontouchend=getsend('stop')><b>Right</b></button>";
page += "</p>";

//page += "<p align=center><button style=background-color:Green;width:90px;height:80px onmousedown=getsend('back') onmouseup=getsend('stop') ontouchstart=getsend('back') ontouchend=getsend('stop') ><b>Backward</b></button></p>";  

page += "<p align=center>";
//page += "<button style=background-color:yellow;width:140px;height:40px onmousedown=getsend('ledon')><b>Light ON</b></button>";
//page += "<button style=background-color:yellow;width:140px;height:40px onmousedown=getsend('ledoff')><b>Light OFF</b></button>";
page += "</p>";
page +="</div>";

   return httpd_resp_send(req, &page[0], strlen(&page[0]));
}
void startCameraServer(){
    httpd_config_t config = HTTPD_DEFAULT_CONFIG();
    httpd_uri_t index_uri = {
        .uri       = "/",
        .method    = HTTP_GET,
        .handler   = index_handler,
        .user_ctx  = NULL
    };

    httpd_uri_t status_uri = {
        .uri       = "/status",
        .method    = HTTP_GET,
        .handler   = status_handler,
        .user_ctx  = NULL
    };

    httpd_uri_t cmd_uri = {
        .uri       = "/control",
        .method    = HTTP_GET,
        .handler   = cmd_handler,
        .user_ctx  = NULL
    };

    httpd_uri_t capture_uri = {
        .uri       = "/capture",
        .method    = HTTP_GET,
        .handler   = capture_handler,
        .user_ctx  = NULL
    };

   httpd_uri_t stream_uri = {
        .uri       = "/stream",
        .method    = HTTP_GET,
        .handler   = stream_handler,
        .user_ctx  = NULL
    };


    ra_filter_init(&ra_filter, 20);
    Serial.printf("Starting web server on port: '%d'", config.server_port);
    if (httpd_start(&camera_httpd, &config) == ESP_OK) {
        httpd_register_uri_handler(camera_httpd, &index_uri);

    }

    config.server_port += 1;
    config.ctrl_port += 1;
    Serial.printf("Starting stream server on port: '%d'", config.server_port);
    if (httpd_start(&stream_httpd, &config) == ESP_OK) {
        httpd_register_uri_handler(stream_httpd, &stream_uri);
    }
}

camera_index.h

// Camera
#define index_html_gz_len 3635
const uint8_t index_html_gz[] = {
 0x1F, 0x8B, 0x08, 0x08, 0x8A, 0xF8, 0xFE, 0x5B, 0x00, 0x03, 0x69, 0x6E, 0x64, 0x65, 0x78, 0x2E,
 0x68, 0x74, 0x6D, 0x6C, 0x00, 0xDD, 0x5C, 0xFD, 0x72, 0xDA, 0xB8, 0x16, 0xFF, 0x7F, 0x9F, 0xC2,
 0x71, 0x77, 0x8B, 0x3D, 0x6B, 0x08, 0x10, 0x92, 0xA6, 0x26, 0x90, 0x0D, 0x84, 0xB6, 0x3B, 0xD3,
 0xAF, 0x6D, 0xF6, 0xEE, 0xEE, 0xCC, 0xCE, 0x4E, 0x2B, 0x6C, 0x19, 0xD4, 0x18, 0x8B, 0xDA, 0x72,
 0x80, 0xB2, 0x7E, 0x8E, 0xFB, 0x40, 0xF7, 0xC5, 0xEE, 0x91, 0x64, 0x1B, 0x9B, 0x8F, 0x10, 0xA0,
 0x85, 0x4E, 0x9B, 0x19, 0x90, 0xE5, 0xA3, 0xA3, 0x73, 0xCE, 0xEF, 0x7C, 0x48, 0xC6, 0xEA, 0xC5,
 0x91, 0x4D, 0x2D, 0x36, 0x19, 0x62, 0xA5, 0xCF, 0x06, 0x6E, 0xF3, 0x87, 0x0B, 0xF9, 0xA5, 0xC0,
 0xBF, 0x8B, 0x3E, 0x46, 0xB6, 0x6C, 0x8A, 0xCB, 0x01, 0x66, 0x48, 0xB1, 0xFA, 0xC8, 0x0F, 0x30,
 0x6B, 0xA8, 0x21, 0x73, 0x8A, 0xE7, 0xEA, 0xFC, 0x6D, 0x0F, 0x0D, 0x70, 0x43, 0xBD, 0x23, 0x78,
 0x34, 0xA4, 0x3E, 0x53, 0x15, 0x8B, 0x7A, 0x0C, 0x7B, 0x40, 0x3E, 0x22, 0x36, 0xEB, 0x37, 0x6C,
 0x7C, 0x47, 0x2C, 0x5C, 0x14, 0x17, 0x06, 0xF1, 0x08, 0x23, 0xC8, 0x2D, 0x06, 0x16, 0x72, 0x71,
 0xA3, 0x92, 0xE5, 0xC5, 0x08, 0x73, 0x71, 0xB3, 0x73, 0xF3, 0xF6, 0xA4, 0xAA, 0xBC, 0xF9, 0xA3,
 0x5A, 0x3B, 0x2B, 0x5F, 0x1C, 0xCB, 0xBE, 0x19, 0x4D, 0xC0, 0x26, 0xFC, 0xBA, 0x4B, 0xED, 0xC9,
 0xD4, 0x81, 0x69, 0x8A, 0x0E, 0x1A, 0x10, 0x77, 0x62, 0x5E, 0xF9, 0xC0, 0xD4, 0x78, 0x81, 0xDD,
 0x3B, 0xCC, 0x88, 0x85, 0x8C, 0x00, 0x79, 0x41, 0x31, 0xC0, 0x3E, 0x71, 0xEA, 0x5D, 0x64, 0xDD,
 0xF6, 0x7C, 0x1A, 0x7A, 0xB6, 0xF9, 0xA8, 0x72, 0xCE, 0xFF, 0xEA, 0x16, 0x75, 0xA9, 0x6F, 0x3E,
 0xEA, 0x3C, 0xE3, 0x7F, 0x75, 0xC1, 0x27, 0x20, 0x9F, 0xB1, 0x59, 0x39, 0x1B, 0x8E, 0xA3, 0x7E,
 0x75, 0x9A, 0xE9, 0x39, 0x87, 0x9E, 0x00, 0x5B, 0x8C, 0x50, 0xAF, 0x34, 0x40, 0xC4, 0x9B, 0xDA,
 0x24, 0x18, 0xBA, 0x68, 0x62, 0x3A, 0x2E, 0x1E, 0x47, 0x8F, 0x06, 0xD8, 0x0B, 0x8D, 0xDC, 0x7D,
 0xDE, 0x5F, 0xB4, 0x89, 0x2F, 0xFB, 0x4C, 0x98, 0x2A, 0x1C, 0x78, 0x92, 0x30, 0x1D, 0xEB, 0x51,
 0x0F, 0xD7, 0x05, 0xE1, 0xC8, 0x47, 0x43, 0xB8, 0xE4, 0x5F, 0xF5, 0x01, 0xF1, 0xA4, 0x91, 0xCC,
 0x93, 0x5A, 0x79, 0x38, 0xCE, 0x09, 0x7E, 0x72, 0xC6, 0xFF, 0xEA, 0x43, 0x64, 0xDB, 0xC4, 0xEB,
 0x99, 0xE7, 0xFC, 0x36, 0xF5, 0x6D, 0xEC, 0x17, 0x7D, 0x64, 0x93, 0x30, 0x30, 0x6B, 0xD0, 0x33,
 0x40, 0x7E, 0x0F, 0x78, 0x30, 0x3A, 0x34, 0x8B, 0x95, 0xF2, 0xAC, 0xC3, 0x27, 0xBD, 0x3E, 0x33,
 0x79, 0x4F, 0xF4, 0x28, 0xC6, 0x26, 0xA7, 0x46, 0x46, 0x14, 0x21, 0x08, 0x72, 0x49, 0xCF, 0x2B,
 0x12, 0x86, 0x07, 0x81, 0x19, 0x30, 0x1F, 0x33, 0xAB, 0x1F, 0x39, 0xA4, 0x17, 0xFA, 0x78, 0x9A,
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 0xDE, 0xF7, 0x06, 0x68, 0x63, 0x8C, 0xE2, 0x71, 0x6A, 0xF3, 0x1D, 0x1A, 0x29, 0xCF, 0x5F, 0x5D,
 0xED, 0x05, 0xAB, 0x64, 0xD2, 0xC3, 0xE0, 0x95, 0xAA, 0x7C, 0x68, 0xCC, 0x5C, 0xEC, 0x6D, 0x1E,
 0x54, 0x7C, 0x90, 0xDA, 0x7C, 0x89, 0xBD, 0x40, 0x69, 0x53, 0x3F, 0x3E, 0x76, 0xB4, 0x17, 0xD4,
 0xC4, 0xCC, 0x87, 0x81, 0x4C, 0x2A, 0x7D, 0x68, 0xBC, 0xFA, 0x03, 0xE2, 0xFB, 0xD4, 0xDF, 0x18,
 0xB2, 0x78, 0x9C, 0xDA, 0x7C, 0x51, 0x7C, 0x25, 0x5A, 0x7B, 0x81, 0x2B, 0x99, 0xF5, 0x30, 0x88,
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 0x15, 0xED, 0x9A, 0x8E, 0x3C, 0xFE, 0x36, 0x99, 0xD2, 0x79, 0xAD, 0xEF, 0x05, 0x35, 0x3E, 0xF5,
 0x61, 0x10, 0x13, 0x4A, 0x1F, 0x1A, 0x2D, 0xF1, 0x66, 0x69, 0x17, 0x6D, 0x1E, 0x63, 0xC9, 0x40,
 0xFE, 0x42, 0x05, 0xB4, 0x94, 0x16, 0xDA, 0x4F, 0x94, 0xA5, 0xF3, 0xEE, 0x63, 0x25, 0x38, 0x53,
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 0x3E, 0x83, 0x0B, 0xE5, 0x5A, 0x5C, 0xEC, 0xAB, 0x8E, 0x65, 0xE7, 0xDF, 0x07, 0x6A, 0x39, 0x7D,
 0xBF, 0x09, 0xE0, 0x60, 0xD5, 0x40, 0x7B, 0xDE, 0x56, 0x2F, 0xE9, 0xE6, 0x86, 0xC7, 0xF0, 0xBD,
 0x93, 0xD7, 0xFB, 0x05, 0x70, 0x26, 0xC4, 0xDE, 0x30, 0xCC, 0xE8, 0xBD, 0x0F, 0x18, 0x93, 0x37,
 0xDC, 0xC5, 0x5E, 0x53, 0x1E, 0x6C, 0x5D, 0x87, 0x94, 0x24, 0x93, 0xCF, 0x03, 0x30, 0x2B, 0x06,
 0x8C, 0xB8, 0xAE, 0xDA, 0x7C, 0x8E, 0x99, 0x72, 0xC3, 0x9B, 0x17, 0xC7, 0x92, 0xE0, 0xE1, 0x5C,
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 0x9B, 0x33, 0x13, 0x46, 0xC4, 0x9E, 0x4F, 0x41, 0xA8, 0x14, 0xA4, 0xF8, 0xFC, 0xA3, 0xAA, 0x24,
 0xAD, 0x4C, 0x5F, 0xB3, 0x23, 0x88, 0x15, 0xEE, 0x65, 0xEB, 0xA7, 0xE3, 0x3F, 0xED, 0x59, 0xAB,
 0x7F, 0x01, 0xBC, 0x38, 0xF6, 0xD0, 0x12, 0x73, 0xAF, 0x40, 0xE1, 0x42, 0x1E, 0x8D, 0x5E, 0xC1,
 0x2A, 0x7D, 0x43, 0x5F, 0x58, 0x62, 0x76, 0x48, 0x23, 0x55, 0x6B, 0xEE, 0xF0, 0x46, 0xF2, 0x14,
 0xF0, 0x61, 0x41, 0x2B, 0x8E, 0x71, 0xC4, 0xF5, 0x90, 0x37, 0x53, 0xF3, 0xFF, 0xEF, 0xBF, 0xEB,
 0x7C, 0x86, 0x0C, 0x7A, 0x19, 0xC1, 0x54, 0x25, 0xF0, 0xAD, 0x86, 0xBA, 0xEA, 0x7D, 0xFF, 0x15,
 0x9A, 0x1F, 0x2F, 0x53, 0x7D, 0x8E, 0x78, 0x89, 0xAD, 0x2F, 0x02, 0xCB, 0x27, 0x43, 0xD6, 0xFC,
 0xC1, 0xA6, 0x56, 0x38, 0xC0, 0x1E, 0x2B, 0x21, 0xDB, 0xEE, 0xDC, 0x41, 0xE3, 0x25, 0x09, 0x18,
 0x06, 0x2B, 0x68, 0x85, 0xEB, 0x37, 0xAF, 0xDA, 0xF2, 0xDC, 0xC3, 0x4B, 0x8A, 0x6C, 0x6C, 0x17,
 0x0C, 0x27, 0xF4, 0x04, 0x1F, 0x4D, 0x9F, 0x26, 0x4D, 0xA5, 0xAB, 0xB5, 0xF4, 0xA9, 0x0B, 0x4E,
 0xDB, 0xAE, 0xCB, 0xF4, 0xA0, 0xB5, 0x4A, 0x3C, 0xC6, 0xF5, 0xA9, 0x85, 0x02, 0x5C, 0x48, 0x02,
 0xBD, 0x60, 0xB6, 0x1B, 0xAD, 0x52, 0xBC, 0xF6, 0xB9, 0xAC, 0xF0, 0x53, 0x34, 0xA0, 0xF4, 0x6D,
 0x5D, 0x10, 0x89, 0xE7, 0x54, 0x05, 0x53, 0xB4, 0xE5, 0x2F, 0xBE, 0x45, 0xEA, 0x61, 0x39, 0x44,
 0x3C, 0x0D, 0xCB, 0x12, 0x4B, 0xCF, 0x4A, 0xA8, 0xC3, 0xEE, 0x80, 0x30, 0x4E, 0x59, 0xA8, 0x14,
 0x62, 0xAA, 0x38, 0x95, 0x98, 0x3E, 0x66, 0xA1, 0xEF, 0xD5, 0x23, 0x00, 0x36, 0x60, 0xCA, 0x75,
 0xE3, 0xC3, 0x8F, 0x53, 0x2B, 0x3A, 0x16, 0x6F, 0x50, 0x52, 0xF7, 0xF2, 0x0E, 0xF9, 0x8D, 0x1F,
 0xA7, 0xAD, 0x12, 0xB1, 0xA3, 0xC7, 0x30, 0x07, 0xB4, 0xDB, 0xD1, 0x87, 0xBA, 0xC3, 0x8F, 0xF1,
 0x6B, 0xD7, 0x7A, 0x89, 0xF5, 0xB1, 0xA7, 0x75, 0x1A, 0xCD, 0x29, 0x1F, 0x4D, 0x5D, 0x5C, 0x72,
 0x69, 0x4F, 0xFB, 0xE0, 0xE3, 0x4F, 0x21, 0x06, 0x66, 0x8C, 0x2A, 0x3F, 0x4E, 0xAF, 0x23, 0xC5,
 0x21, 0x1E, 0x09, 0xFA, 0xD8, 0x36, 0x94, 0x80, 0x21, 0x16, 0x06, 0x26, 0x74, 0x77, 0x4A, 0xB2,
 0x1D, 0x7D, 0xD0, 0x23, 0x3D, 0x82, 0x69, 0x14, 0xAB, 0x91, 0x5A, 0xD9, 0xA5, 0x96, 0x78, 0x4F,
 0xB0, 0x44, 0x7D, 0xD2, 0x23, 0x5E, 0x5D, 0xCA, 0x86, 0x1B, 0x2D, 0x98, 0x09, 0xCC, 0xC3, 0x5D,
 0x8A, 0x03, 0xC0, 0xD1, 0xD0, 0x0A, 0xD2, 0x0F, 0x0B, 0x7A, 0x64, 0x38, 0x0B, 0x04, 0x3E, 0x1E,
 0xD0, 0x3B, 0x9C, 0xA5, 0xE9, 0x2D, 0x67, 0x92, 0xC4, 0x67, 0x41, 0x37, 0x5A, 0xE9, 0x01, 0xE6,
 0xC6, 0x51, 0x39, 0x32, 0xFA, 0x2B, 0x99, 0xAE, 0x18, 0x53, 0x89, 0x0C, 0xD2, 0xD0, 0x5A, 0x46,
 0xDB, 0xB8, 0xD6, 0x61, 0xE4, 0x75, 0xE3, 0x48, 0xF3, 0x42, 0xD7, 0x3D, 0x6A, 0x5C, 0xEB, 0xFF,
 0xFE, 0x7B, 0x5D, 0xE7, 0x4E, 0xD0, 0xA9, 0xCF, 0x10, 0x6F, 0x34, 0x1A, 0xD2, 0x15, 0x2E, 0xC1,
 0x90, 0x29, 0xF6, 0x46, 0xBB, 0x71, 0x74, 0xD4, 0x36, 0xD2, 0xEB, 0x46, 0x5B, 0x37, 0xC5, 0x7D,
 0x01, 0xB4, 0x11, 0x7F, 0x43, 0xAF, 0x71, 0xFD, 0xF8, 0x71, 0xE7, 0xA8, 0xD1, 0x68, 0x5F, 0x72,
 0x17, 0x33, 0x8F, 0xE0, 0x52, 0x2B, 0x20, 0x6C, 0x49, 0xBE, 0xC4, 0xBE, 0x6C, 0x5F, 0x62, 0xED,
 0x4E, 0x37, 0x1D, 0xFE, 0x51, 0x40, 0xBD, 0xEC, 0x0D, 0xCD, 0xD1, 0x98, 0x6E, 0x60, 0x2D, 0xD0,
 0x81, 0x39, 0xE6, 0x6D, 0x47, 0xB4, 0x0B, 0xC9, 0xAB, 0x2E, 0x19, 0x5A, 0x47, 0x1B, 0xEB, 0x26,
 0xE6, 0x1F, 0x85, 0x7C, 0xE1, 0x48, 0x68, 0x60, 0xDE, 0xF6, 0x65, 0x5F, 0xF3, 0x74, 0xB3, 0x07,
 0x1F, 0xBA, 0x1E, 0xD5, 0x53, 0x38, 0xC1, 0x1B, 0xFC, 0xC9, 0x8D, 0xF0, 0x58, 0xEA, 0x5F, 0xB9,
 0xAE, 0x56, 0x90, 0xC7, 0xBA, 0x0A, 0x7A, 0x09, 0x2A, 0x51, 0x07, 0xF1, 0x68, 0x10, 0x36, 0xA6,
 0x9E, 0xE5, 0x12, 0xEB, 0xB6, 0xA1, 0x71, 0xC3, 0x61, 0x08, 0x11, 0x79, 0xE0, 0xF4, 0x35, 0xB5,
 0xB1, 0x1E, 0x45, 0x20, 0x9E, 0xF0, 0x3B, 0xE9, 0xA1, 0xD2, 0x7D, 0x3E, 0xC4, 0x3E, 0x98, 0xC6,
 0x1C, 0x84, 0x99, 0xF4, 0x68, 0xA5, 0x55, 0xFA, 0x18, 0xF0, 0x20, 0x8C, 0x96, 0x90, 0xDC, 0x27,
 0x5A, 0xBE, 0xC6, 0x66, 0x64, 0x6C, 0x83, 0x50, 0x44, 0x03, 0x50, 0xFE, 0x6E, 0x83, 0xBE, 0xFF,
 0x18, 0x47, 0x15, 0xEE, 0xBA, 0x7A, 0xEC, 0x9D, 0x1F, 0x67, 0xEE, 0x0B, 0x75, 0xAA, 0xE3, 0x62,
 0xDE, 0x6C, 0x4D, 0x7E, 0x05, 0xE7, 0x92, 0x99, 0x0B, 0xDC, 0xE4, 0x76, 0x1D, 0xCD, 0x2C, 0xBD,
 0x02, 0xB5, 0xBB, 0x9A, 0x3A, 0xAD, 0x84, 0x40, 0x36, 0x58, 0x4D, 0x96, 0x2B, 0x75, 0x40, 0xEA,
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 0xFB, 0xAB, 0x97, 0x8D, 0x42, 0xB6, 0xC0, 0x16, 0x22, 0xE3, 0x93, 0x1C, 0xF0, 0xB1, 0xC4, 0xF3,
 0x38, 0x87, 0xF2, 0xE7, 0x82, 0x79, 0x5E, 0x29, 0x70, 0x40, 0x39, 0xC5, 0x07, 0xF0, 0xC1, 0xDB,
 0x05, 0x0E, 0x74, 0x98, 0x32, 0xA8, 0xBB, 0x79, 0x37, 0xE1, 0xF3, 0xCD, 0x98, 0x41, 0xE6, 0x42,
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 0x0D, 0x24, 0xE7, 0xC8, 0xA0, 0x8B, 0xE3, 0xB1, 0xB8, 0x31, 0xC8, 0xDF, 0x90, 0xB0, 0xB6, 0xF2,
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 0x01, 0x2D, 0xBB, 0xC7, 0xC9, 0xE6, 0x7F, 0x4C, 0x2A, 0xE8, 0x75, 0x3F, 0x2F, 0x17, 0xA8, 0xE9,
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 0xEF, 0xEE, 0x25, 0xC8, 0xFE, 0x50, 0x0F, 0xB2, 0x84, 0x0B, 0xB2, 0x84, 0xBA, 0x11, 0xA6, 0xB2,
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 0xBD, 0x3B, 0x10, 0x60, 0xB4, 0x20, 0xC0, 0x48, 0x37, 0x46, 0xA9, 0x00, 0x69, 0xCA, 0x4C, 0x04,
 0x98, 0xAC, 0x09, 0x3F, 0xB9, 0xA1, 0x02, 0x19, 0x3E, 0xAF, 0x21, 0x9C, 0x25, 0x5F, 0xDD, 0xB8,
 0xBA, 0x87, 0x36, 0x39, 0x38, 0x08, 0xB2, 0x5E, 0x2D, 0xC8, 0x7A, 0xA5, 0x1B, 0xA7, 0x17, 0x57,
 0xB2, 0x90, 0x40, 0xF2, 0x26, 0xDA, 0x84, 0x67, 0x34, 0x83, 0x68, 0x9F, 0xF9, 0x37, 0x38, 0xEF,
 0x64, 0x6E, 0x48, 0x9C, 0x57, 0xD3, 0x41, 0x97, 0x1A, 0x72, 0xB1, 0xCF, 0xB4, 0xC2, 0x5B, 0x17,
 0xC3, 0x2A, 0x23, 0x7E, 0x95, 0x4F, 0x69, 0xFF, 0xFA, 0x4C, 0xA1, 0xBE, 0x22, 0x8E, 0xAD, 0x2B,
 0x7E, 0x7A, 0xEC, 0x51, 0x91, 0x27, 0x93, 0x15, 0xCC, 0xFF, 0xAF, 0x07, 0x70, 0x29, 0x85, 0xF5,
 0x49, 0xA0, 0x38, 0x98, 0x1F, 0x0A, 0xC0, 0x47, 0x1C, 0x7B, 0x4A, 0x6C, 0x25, 0x96, 0x42, 0x37,
 0xF9, 0x95, 0xD6, 0xD5, 0x26, 0xBA, 0x71, 0x34, 0x49, 0x2C, 0x0A, 0x52, 0xF2, 0xDA, 0x92, 0x8A,
 0x08, 0x32, 0x7E, 0x3E, 0x88, 0x8C, 0x9F, 0x73, 0x32, 0x7E, 0x06, 0xC0, 0x66, 0x11, 0xD0, 0x97,
 0x12, 0x82, 0x1A, 0x65, 0x3D, 0xAE, 0x85, 0x50, 0xBA, 0xEA, 0xD9, 0x65, 0x66, 0xBC, 0xA8, 0x94,
 0x57, 0xF2, 0x0C, 0xF0, 0xC5, 0xB1, 0xFC, 0xFF, 0xCB, 0xFE, 0x0F, 0x86, 0xED, 0x24, 0xF8, 0xD7,
 0x4C, 0x00, 0x00
};

setup.ino

// Setup
void setup()
{
 
  Serial.begin(115200);
  Serial.setDebugOutput(true);
  Serial.println();
  
  // Delay
  delay( 100 );

  // Camera Setup
  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.pixel_format = PIXFORMAT_JPEG;

  // Init with high specs to pre-allocate larger buffers
  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;
  }

  // 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;
  }

  // Drop down frame size for higher initial frame rate
  sensor_t * s = esp_camera_sensor_get();
  // 320x240 for better WiFi performance
  s->set_framesize(s, FRAMESIZE_QVGA);  
  
  // Set camera rotation 180 degrees
  // Horizontal mirror
  s->set_hmirror(s, 0);  
  // Vertical flip
  s->set_vflip(s, 1);    

  // WiFi
  WiFi.softAP(ssid1, password1);
  IPAddress myIP = WiFi.softAPIP();
  
  Serial.print("AP IP address: ");
  Serial.println(myIP);

  Serial.print("Camera Ready! Use 'http://");
  Serial.print(WiFi.softAPIP());
  //WiFi.softAPIP();
  WiFiAddr = WiFi.softAPIP().toString();
  Serial.println("' to connect");

  startCameraServer();

  // Delay 1 Second
  //delay( 1000 );

}

——

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