kopia lustrzana https://github.com/alanesq/esp32cam-demo
Update esp32cam-demo.ino
Alan
GitHub
rodzic
9e5bdfdb40
commit
371a04d515
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@ -89,8 +89,8 @@
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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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uint16_t datarefresh = 2200; // how often to refresh data on root web page (ms)
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uint16_t imagerefresh = 5000; // how often to refresh the image on root web page (ms)
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uint16_t dataRefresh = 2; // how often to refresh data on root web page (seconds)
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uint16_t imagerefresh = 5; // how often to refresh the image on root web page (seconds)
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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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@ -432,7 +432,7 @@ bool initialiseCamera() {
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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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config.jpeg_quality = 15; // 0-63 lower number means higher quality
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config.jpeg_quality = 12; // 0-63 lower number means higher quality (can cause failed image capture if set too low at higher resolutions)
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config.fb_count = 1; // if more than one, i2s runs in continuous mode. Use only with JPEG
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// check the esp32cam board has a psram chip installed (extra memory used for storing captured images)
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@ -467,7 +467,8 @@ bool initialiseCamera() {
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// Adjust image properties (brightness etc.)
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// Defaults to auto adjustments if exposure and gain are both set to zero
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// - Returns TRUE if successful
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// BTW - some interesting info on exposure times here: https://github.com/raduprv/esp32-cam_ov2640-timelapse
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// More info: https://randomnerdtutorials.com/esp32-cam-ov2640-camera-settings/
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// interesting info on exposure times here: https://github.com/raduprv/esp32-cam_ov2640-timelapse
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bool cameraImageSettings() {
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@ -886,31 +887,23 @@ void handleRoot() {
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// Verify your HTML is valid: https://validator.w3.org/
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client.write("Sketch from: github.com/alanesq/esp32cam-demo<br>");
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// ---------------------------------------------------------------------------------------------
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// info which is periodically updated usin AJAX - https://www.w3schools.com/xml/ajax_intro.asp
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// info which is periodically updated usin AJAX - https://www.w3schools.com/xml/ajax_intro.asp
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// sd card
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if (!sdcardPresent) {
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client.println("<p style='color:blue;'>NO SD CARD DETECTED<span id=uImages></span><span id=uUsed></span><span id=uRemain></span></p>"); // spans will be left empty
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} else {
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client.println("<p>SD Card: <span id=uImages> - </span> images stored, <span id=uUsed> - </span>MB used , <span id=uRemain> - </span>MB remaining</p>\n");
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}
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// empty lines which are populated via vbscript with live data from http://x.x.x.x/data in the form of comma seperated text
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// you can add more or remove unwanted ones as required without modifying the javascript
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client.println("<span id='uline0'></span>");
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client.println("<br><span id='uline1'></span>");
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client.println("<br><span id='uline2'></span>");
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client.println("<br><span id='uline3'></span>");
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client.println("<br><span id='uline4'></span>");
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client.println("<br><span id='uline5'></span>");
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// illumination/flash led
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client.println("Illumination led brightness=<span id=uBrightness> - </span>, Flash is <span id=uFlash> - </span>");
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// Current real time
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client.println("<br>Current time: <span id=uTime> - </span>");
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// gpio pin status
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client.print("<br>GPIO output pin 12 is: <span id=uGPIO12> - </span>, GPIO input pin 13 is: <span id=uGPIO13> - </span>");
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// image resolution
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client.println("<br>Image size: <span id=uRes> - </span>");
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// Javascript - to periodically update above getting info from http://x.x.x.x/data
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// Javascript - to periodically update the above info lines from http://x.x.x.x/data
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// This is the below javascript code compacted to save flash memory via https://www.textfixer.com/html/compress-html-compression.php
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client.printf(R"=====( <script> function getData() { var xhttp = new XMLHttpRequest(); xhttp.onreadystatechange = function() { if (this.readyState == 4 && this.status == 200) { var receivedArr = this.responseText.split(','); for (let i = 0; i < receivedArr.length; i++) { document.getElementById('uline' + i).innerHTML = receivedArr[i]; } } }; xhttp.open('GET', 'data', true); xhttp.send();} getData(); setInterval(function() { getData(); }, %d); </script> )=====", dataRefresh * 1000);
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/*
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// get a comma seperated list from http://x.x.x.x/data and populate the blank lines in html above
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client.printf(R"=====(
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<script>
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function getData() {
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@ -918,15 +911,9 @@ void handleRoot() {
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xhttp.onreadystatechange = function() {
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if (this.readyState == 4 && this.status == 200) {
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var receivedArr = this.responseText.split(',');
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document.getElementById('uImages').innerHTML = receivedArr[0];
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document.getElementById('uUsed').innerHTML = receivedArr[1];
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document.getElementById('uRemain').innerHTML = receivedArr[2];
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document.getElementById('uBrightness').innerHTML = receivedArr[3];
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document.getElementById('uTime').innerHTML = receivedArr[4];
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document.getElementById('uGPIO12').innerHTML = receivedArr[5];
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document.getElementById('uGPIO13').innerHTML = receivedArr[6];
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document.getElementById('uFlash').innerHTML = receivedArr[7];
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document.getElementById('uRes').innerHTML = receivedArr[8];
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for (let i = 0; i < receivedArr.length; i++) {
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document.getElementById('uline' + i).innerHTML = receivedArr[i];
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}
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}
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};
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xhttp.open('GET', 'data', true);
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@ -934,7 +921,8 @@ void handleRoot() {
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getData();
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setInterval(function() { getData(); }, %d);
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</script>
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)=====", datarefresh);
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)=====", dataRefresh * 1000);
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*/
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// ---------------------------------------------------------------------------------------------
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@ -969,7 +957,7 @@ void handleRoot() {
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// capture and show a jpg image
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client.write("<br><a href='/jpg'>"); // make it a link
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client.write("<img src='/jpg' /> </a>"); // show image from http://x.x.x.x/jpg
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client.write("<img id='image1' src='/jpg' width='320' height='240' /> </a>"); // show image from http://x.x.x.x/jpg
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// javascript to refresh the image periodically
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client.printf(R"=====(
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@ -982,7 +970,9 @@ void handleRoot() {
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}
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setInterval(function() { refreshImage(); }, %d);
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</script>
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)=====", imagerefresh);
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)=====", imagerefresh * 1000);
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client.println("<br><br><a href='https://github.com/alanesq/esp32cam-demo'>Sketch Info</a>");
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// --------------------------------------------------------------------
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@ -996,11 +986,13 @@ void handleRoot() {
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// ----------------------------------------------------------------
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// -data web page requested i.e. http://x.x.x.x/data
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// ----------------------------------------------------------------
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// suplies changing info to update root web page as comma seperated String
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// the root web page requests this periodically via Javascript in order to display updating information.
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// information in the form of comma seperated text is supplied which are then inserted in to blank lines on the web page
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// This makes it very easy to modify the data shown without having to change the javascript or root page html
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void handleData(){
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// sd sdcard
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// sd sdcard info
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uint32_t SDusedSpace = 0;
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uint32_t SDtotalSpace = 0;
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uint32_t SDfreeSpace = 0;
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@ -1009,26 +1001,36 @@ void handleData(){
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SDtotalSpace = SD_MMC.totalBytes() / (1024 * 1024);
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SDfreeSpace = SDtotalSpace - SDusedSpace;
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}
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String reply = "";
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if (sdcardPresent) reply += String(imageCounter); // images stored
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// sd card
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if (!sdcardPresent) {
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reply += "<span style='color:blue;'>NO SD CARD DETECTED</span>";
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} else {
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reply += "SD Card: " + String(SDusedSpace) + "Mb used - " + String(SDfreeSpace) + "Mb free";
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}
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reply += ",";
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if (sdcardPresent) reply += String(SDusedSpace); // space used on sd card
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// illumination/flash led
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reply += "Illumination led brightness=" + String(brightLEDbrightness);
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reply += "   Flash is "; // Note: ' ' leaves a gap
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reply += (flashRequired) ? "Enabled" : "Off";
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reply += ",";
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if (sdcardPresent) reply += String(SDfreeSpace); // space remaining on sd card
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// Current real time
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reply += "Current time: " + localTime();
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reply += ",";
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reply += String(brightLEDbrightness); // illumination led brightness
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// gpio pin status
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reply += "GPIO output pin 12 is: ";
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reply += (digitalRead(iopinB)==1) ? "ON" : "OFF";
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reply += "   GPIO input pin 13 is: ";
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reply += (digitalRead(iopinA)==1) ? "ON" : "OFF";
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reply += ",";
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reply += localTime(); // current date/time
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reply += ",";
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reply += (digitalRead(iopinB)==1) ? "ON" : "OFF"; // output gpio pin status
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reply += ",";
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reply += (digitalRead(iopinA)==1) ? "ON" : "OFF"; // output gpio pin status
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reply += ",";
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reply += (flashRequired==1) ? "ON" : "OFF"; // if flash is enabled
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reply += ",";
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reply += ImageResDetails; // if flash is enabled
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//reply += ",";
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// image resolution
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reply += "Image size: " + ImageResDetails;
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server.send(200, "text/plane", reply); //Send millis value only to client ajax request
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}
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