kopia lustrzana https://github.com/alanesq/esp32cam-demo
Update ESP32cam-demo.ino
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ffa32a7f4f
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@ -33,6 +33,7 @@
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* esp32cam-demo is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* https://alanesq.github.io/
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*
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*******************************************************************************************************************/
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@ -47,8 +48,8 @@
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// Enter your Wifi Settings here
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#define SSID_NAME "<your wifi ssid here>"
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#define SSID_PASWORD "<your wifi password here>"
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#define SSID_NAME "<wifi name>"
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#define SSID_PASWORD "<wifi password>"
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// ---------------------------------------------------------------------------------------------------------
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@ -79,6 +80,7 @@
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void setupFlashPWM();
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void changeResolution(framesize_t);
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void handleData();
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void readGreyscaleImage();
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*/
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// ---------------------------------------------------------------
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@ -86,7 +88,9 @@
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// ---------------------------------------------------------------
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char* stitle = "ESP32Cam-demo"; // title of this sketch
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char* sversion = "28Jul23"; // Sketch version
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char* sversion = "14oct23"; // Sketch version
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int imageFormat = 1; // default image format (1=JPG, 2=greyscale)
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bool sendRGBfile = 0; // if set '/rgb' will just return raw rgb data which can be saved as a file rather than display a HTML pag
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@ -95,7 +99,7 @@
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const bool serialDebug = 1; // show debug info. on serial port (1=enabled, disable if using pins 1 and 3 as gpio)
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#define useMCP23017 0 // if MCP23017 IO expander chip is being used (on pins 12 and 13)
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#define useMCP23017 0 // set if MCP23017 IO expander chip is being used (on pins 12 and 13)
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// Camera related
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bool flashRequired = 1; // If flash to be used when capturing image (1 = yes)
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@ -104,7 +108,6 @@
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// 160x120 (QQVGA), 128x160 (QQVGA2), 176x144 (QCIF), 240x176 (HQVGA),
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// 320x240 (QVGA), 400x296 (CIF), 640x480 (VGA, default), 800x600 (SVGA),
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// 1024x768 (XGA), 1280x1024 (SXGA), 1600x1200 (UXGA)
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#define PIXFORMAT PIXFORMAT_JPEG; // image format, Options = YUV422, GRAYSCALE, RGB565, JPEG, RGB888
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int cameraImageExposure = 0; // Camera exposure (0 - 1200) If gain and exposure both set to zero then auto adjust is enabled
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int cameraImageGain = 0; // Image gain (0 - 30)
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int cameraImageBrightness = 0; // Image brightness (-2 to +2)
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@ -150,6 +153,7 @@
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// ******************************************************************************************************************
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//#include "esp_camera.h" // https://github.com/espressif/esp32-camera
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// #include "camera_pins.h"
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#include <WString.h> // this is required for base64.h otherwise get errors with esp32 core 1.0.6 - jan23
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@ -199,9 +203,6 @@ WebServer server(80); // serve web pages on port 80
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String ImageResDetails = "Unknown"; // image resolution info
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// ******************************************************************************************************************
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// ---------------------------------------------------------------
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// -SETUP SETUP SETUP SETUP SETUP SETUP
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// ---------------------------------------------------------------
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@ -254,6 +255,7 @@ void setup() {
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server.on("/photo", handlePhoto); // save image to sd card
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server.on("/img", handleImg); // show image from sd card
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server.on("/rgb", readRGBImage); // demo converting image to RGB
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server.on("/greydata", readGreyscaleImage); // look at greyscale image data
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server.on("/test", handleTest); // Testing procedure
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server.on("/reboot", handleReboot); // restart device
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server.onNotFound(handleNotFound); // invalid url requested
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@ -362,9 +364,6 @@ setupFlashPWM(); // configure PWM for the illumination LED
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} // setup
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// ******************************************************************************************************************
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// ----------------------------------------------------------------
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// -LOOP LOOP LOOP LOOP LOOP LOOP LOOP
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// ----------------------------------------------------------------
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@ -403,10 +402,6 @@ void loop() {
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} // loop
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// ******************************************************************************************************************
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// ----------------------------------------------------------------
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// Initialise the camera
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// ----------------------------------------------------------------
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@ -434,7 +429,8 @@ bool initialiseCamera() {
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config.pin_pwdn = PWDN_GPIO_NUM;
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config.pin_reset = RESET_GPIO_NUM;
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config.xclk_freq_hz = 20000000; // XCLK 20MHz or 10MHz for OV2640 double FPS (Experimental)
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config.pixel_format = PIXFORMAT; // Options = YUV422, GRAYSCALE, RGB565, JPEG, RGB888
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if (imageFormat == 1) config.pixel_format = PIXFORMAT_JPEG; // colour jpg format
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if (imageFormat == 2) config.pixel_format = PIXFORMAT_GRAYSCALE; // greyscale format
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config.frame_size = FRAME_SIZE_IMAGE; // Image sizes: 160x120 (QQVGA), 128x160 (QQVGA2), 176x144 (QCIF), 240x176 (HQVGA), 320x240 (QVGA),
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// 400x296 (CIF), 640x480 (VGA, default), 800x600 (SVGA), 1024x768 (XGA), 1280x1024 (SXGA),
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// 1600x1200 (UXGA)
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@ -464,9 +460,6 @@ bool initialiseCamera() {
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}
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// ******************************************************************************************************************
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// ----------------------------------------------------------------
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// -Change camera image settings
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// ----------------------------------------------------------------
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@ -537,12 +530,6 @@ bool cameraImageSettings() {
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// s->set_wpc(s, 0); // white pixel correction
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// ******************************************************************************************************************
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// Misc small procedures
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// ----------------------------------------------------------------
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// set up PWM for the illumination LED (flash)
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// ----------------------------------------------------------------
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@ -687,15 +674,13 @@ void changeResolution(framesize_t tRes = FRAMESIZE_96X96) {
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else tRes = FRAMESIZE_QVGA;
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}
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FRAME_SIZE_IMAGE = tRes;
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initialiseCamera();
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if (serialDebug) Serial.println("Camera resolution changed to " + String(tRes));
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ImageResDetails = "Unknown"; // set next time image captured
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}
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// ******************************************************************************************************************
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// ----------------------------------------------------------------
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// Capture image from camera and save to spiffs or sd card
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// ----------------------------------------------------------------
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@ -745,6 +730,7 @@ byte storeImage() {
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if (serialDebug) Serial.println("Error: failed to write image data to spiffs file");
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}
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}
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esp_camera_fb_return(fb); // return camera frame buffer
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if (sRes == 1 && serialDebug) {
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Serial.print("The picture has been saved to Spiffs as " + spiffsFilename);
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Serial.print(" - Size: ");
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@ -781,9 +767,6 @@ byte storeImage() {
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} // storeImage
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// ******************************************************************************************************************
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// ----------------------------------------------------------------
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// -Action any user input on root web page
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// ----------------------------------------------------------------
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@ -1051,9 +1034,6 @@ void handleData(){
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}
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// ******************************************************************************************************************
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// ----------------------------------------------------------------
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// -photo save to sd card/spiffs i.e. http://x.x.x.x/photo
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// ----------------------------------------------------------------
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@ -1170,9 +1150,6 @@ bool handleImg() {
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} // handleImg
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// ******************************************************************************************************************
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// ----------------------------------------------------------------
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// -invalid web page requested
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// ----------------------------------------------------------------
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@ -1203,9 +1180,6 @@ void handleNotFound() {
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} // handleNotFound
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// ******************************************************************************************************************
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// ----------------------------------------------------------------
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// -access image data as RGB - i.e. http://x.x.x.x/rgb
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// ----------------------------------------------------------------
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@ -1353,10 +1327,6 @@ void readRGBImage() {
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} // readRGBImage
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// ******************************************************************************************************************
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// ----------------------------------------------------------------
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// -get time from ntp server
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// ----------------------------------------------------------------
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@ -1425,8 +1395,7 @@ bool handleJPG() {
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delay(3);
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client.stop();
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// return image frame so memory can be released
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esp_camera_fb_return(fb);
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esp_camera_fb_return(fb); // return camera frame buffer
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return 1;
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@ -1475,7 +1444,7 @@ void handleStream(){
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client.write(buf, strlen(buf)); // send result (image size)
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client.write((char *)fb->buf, fb->len); // send the image data
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client.write(BOUNDARY, bdrLen); // send html boundary see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Type
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esp_camera_fb_return(fb); // return image buffer so memory can be released
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esp_camera_fb_return(fb); // return camera frame buffer
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}
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}
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@ -1487,9 +1456,6 @@ void handleStream(){
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} // handleStream
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// ******************************************************************************************************************
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// ----------------------------------------------------------------
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// request a web page
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// ----------------------------------------------------------------
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@ -1526,9 +1492,6 @@ int requestWebPage(String* page, String* received, int maxWaitTime=5000){
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} // requestWebPage
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// ******************************************************************************************************************
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// ----------------------------------------------------------------
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// -show refreshing image i.e. http://x.x.x.x/jpeg
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// ----------------------------------------------------------------
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sendFooter(client); // close web page
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} // handleJpeg
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// ******************************************************************************************************************
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// ----------------------------------------------------------------
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// Capture greyscale image data
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// ----------------------------------------------------------------
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void readGreyscaleImage() {
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WiFiClient client = server.client(); // open link with client
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// change to greyscale image
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esp_camera_deinit(); // disable camera
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delay(50);
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imageFormat = 2; // greyscale
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initialiseCamera();
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// capture the image from camera
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int currentBrightness = brightLEDbrightness;
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if (flashRequired) {
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brightLed(255); // change LED brightness (0 - 255)
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delay(100);
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}
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camera_fb_t *fb = esp_camera_fb_get(); // capture image
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if (flashRequired){
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delay(100);
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brightLed(currentBrightness); // change LED brightness back to previous state
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}
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if (!fb) if (serialDebug) Serial.println("Error: Camera capture failed");
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// read image data
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unsigned long dataSize = fb->width * fb->height;
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unsigned long avrg = 0;
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for (int i=0; i < dataSize; i++) {
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avrg += fb->buf[i];
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}
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client.println("<br>Average pixel = " + String(avrg / dataSize));
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// close client connection
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delay(3);
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client.stop();
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// change back to JPG
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esp_camera_deinit(); // disable camera
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delay(50);
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imageFormat = 1; // jpg
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initialiseCamera();
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esp_camera_fb_return(fb); // return camera frame buffer
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}
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// ----------------------------------------------------------------
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// -reboot web page requested i.e. http://x.x.x.x/reboot
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// ----------------------------------------------------------------
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// note: this can fail if the esp has just been reflashed and not restarted
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void handleReboot(){
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String message = "Rebooting....";
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server.send(200, "text/plain", message); // send reply as plain text
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// rebooting
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delay(500); // give time to send the above html
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ESP.restart();
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delay(5000); // restart fails without this delay
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}
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// ----------------------------------------------------------------
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} // handleTest
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// ----------------------------------------------------------------
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// -reboot web page requested i.e. http://x.x.x.x/reboot
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// ----------------------------------------------------------------
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// note: this can fail if the esp has just been reflashed and not restarted
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void handleReboot(){
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String message = "Rebooting....";
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server.send(200, "text/plain", message); // send reply as plain text
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// rebooting
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delay(500); // give time to send the above html
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ESP.restart();
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delay(5000); // restart fails without this delay
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}
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// ******************************************************************************************************************
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// end
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