kopia lustrzana https://github.com/alanesq/esp32cam-demo
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Alan
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a9e557910e
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@ -38,7 +38,7 @@
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const char* password = "<your wifi password here>";
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const String stitle = "ESP32Cam-demo"; // title of this sketch
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const String sversion = "26Sep20"; // Sketch version
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const String sversion = "27Sep20"; // Sketch version
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const bool debugInfo = 1; // show additional debug info. on serial port (1=enabled)
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@ -56,6 +56,9 @@
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const int brightLED = 4; // onboard flash LED pin (4)
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const int iopinA = 13; // general io pin
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const int iopinB = 12; // general io pin (must be low at boot)
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// ******************************************************************************************************************
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@ -73,6 +76,7 @@ WebServer server(80); // serve web pages on port 80
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// Define global variables:
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uint32_t lastStatus = millis(); // last time status light changed status (to flash all ok led)
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uint32_t lastCamera = millis(); // timer for periodic image capture
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bool sdcardPresent; // flag if an sd card is detected
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int imageCounter; // image file name on sd card counter
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@ -119,16 +123,13 @@ void setup() {
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// Turn-off the 'brownout detector'
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WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0);
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// Define io pins
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// Define indicator led
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pinMode(indicatorLED, OUTPUT);
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digitalWrite(indicatorLED,HIGH);
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pinMode(brightLED, OUTPUT);
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digitalWrite(brightLED,LOW);
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// Connect to wifi
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digitalWrite(indicatorLED,LOW); // small indicator led on
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Serial.println();
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Serial.println();
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Serial.print("Connecting to ");
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Serial.println(ssid);
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WiFi.begin(ssid, password);
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@ -194,9 +195,13 @@ void setup() {
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Serial.println("Image file count = " + String(imageCounter));
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}
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// re-define io pins as sd card config. seems to reset them
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// define io pins
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pinMode(indicatorLED, OUTPUT); // re defined as sd card config can reset it
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digitalWrite(indicatorLED,HIGH);
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pinMode(brightLED, OUTPUT);
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pinMode(indicatorLED, OUTPUT);
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digitalWrite(brightLED,LOW);
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pinMode(iopinA, OUTPUT); // pin 13 - free io pin, can be input or output
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pinMode(iopinB, OUTPUT); // pin 12 - free io pin, can be input or output (must be low at boot)
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if (!psramFound()) {
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Serial.println("Warning: No PSRam found so defaulting to image size 'CIF'");
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@ -219,14 +224,25 @@ void setup() {
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void loop() {
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server.handleClient(); // handle any web page requests
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server.handleClient(); // handle any incoming web page requests
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// <<< your code here >>>
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// // Capture an image and save to sd card every 5 seconds
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// if ((unsigned long)(millis() - lastCamera) >= 5000) {
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// lastCamera = millis(); // reset timer
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// storeImage(); // save an image to sd card
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// }
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// flash status light to show sketch is running
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if ((unsigned long)(millis() - lastStatus) >= TimeBetweenStatus) {
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@ -272,10 +288,9 @@ void showError(int errorNo) {
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// ----------------------------------------------------------------
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// Capture image from camera and save to sd card
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// iTitle = file name to use
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// ----------------------------------------------------------------
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void storeImage(String iTitle) {
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void storeImage() {
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if (debugInfo) Serial.println("Storing image #" + String(imageCounter) + " to sd card");
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@ -292,7 +307,7 @@ void storeImage(String iTitle) {
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// save the image to sd card
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imageCounter ++; // increment image counter
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String SDfilename = "/img/" + iTitle + ".jpg"; // build the image file name
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String SDfilename = "/img/" + String(imageCounter) + ".jpg"; // build the image file name
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File file = fs.open(SDfilename, FILE_WRITE); // create file on sd card
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if (!file) {
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Serial.println("Error: Failed to create file on sd-card: " + SDfilename);
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@ -361,7 +376,6 @@ bool setupCameraHardware() {
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// ----------------------------------------------------------------
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// -root web page requested i.e. http://x.x.x.x/
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// ----------------------------------------------------------------
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// Info on using html see https://www.arduino.cc/en/Reference/Ethernet
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void handleRoot() {
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@ -373,13 +387,59 @@ void handleRoot() {
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if (debugInfo) Serial.println("Root page requested from: " + String(cip[0]) +"." + String(cip[1]) + "." + String(cip[2]) + "." + String(cip[3]));
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// html header
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client.write("<!DOCTYPE html> <html> <body>\n");
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client.write("<!DOCTYPE html> <html> <body>\n"); // basic html header
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client.write("<FORM action='/' method='post'>\n"); // used by the buttons in the html (action = the web page to send it to)
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// html body
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client.write("<p>Hello from esp32cam</p>\n");
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if (sdcardPresent) client.write("<p>SD Card available</p>\n");
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// if button1 was pressed
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// Note: if using an input box etc. you would read the value with the command: String Tvalue = server.arg("demobutton1");
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if (server.hasArg("button1")) {
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digitalWrite(iopinA,!digitalRead(iopinA)); // toggle output pin
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if (debugInfo) Serial.println("Button 1 pressed");
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}
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// if button2 was pressed
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if (server.hasArg("button2")) {
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digitalWrite(iopinB,!digitalRead(iopinB)); // toggle output pin
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if (debugInfo) Serial.println("Button 2 pressed");
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}
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// if button3 was pressed
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if (server.hasArg("button3")) {
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digitalWrite(brightLED,!digitalRead(brightLED)); // toggle flash LED
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if (debugInfo) Serial.println("Button 3 pressed");
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}
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// --------------------------------------------------------------------
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// html main body
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// Info on the arduino ethernet library: https://www.arduino.cc/en/Reference/Ethernet
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// Info in HTML: https://www.w3schools.com/html/
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// Info on Javascript (can be inserted in to the HTML): https://www.w3schools.com/js/default.asp
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client.write("<h1>Hello from ESP32Cam</h1>\n");
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if (sdcardPresent) client.write("<p>SD Card detected</p>\n");
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else client.write("<p>No SD Card detected</p>\n");
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if (digitalRead(iopinA) == LOW) client.write("<p>Pin 13 is Low</p>\n");
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else client.write("<p>Pin 13 is High</p>\n");
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if (digitalRead(iopinB) == LOW) client.write("<p>Pin 12 is Low</p>\n");
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else client.write("<p>Pin 12 is High</p>\n");
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// Control bottons
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client.write("<input style='height: 35px;' name='button1' value='Toggle pin 13' type='submit'> \n");
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client.write("<input style='height: 35px;' name='button2' value='Toggle pin 12' type='submit'> \n");
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client.write("<input style='height: 35px;' name='button3' value='Toggle Flash' type='submit'> \n");
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// --------------------------------------------------------------------
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// end html
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client.write("</body></htlm>\n");
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delay(3);
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@ -405,7 +465,7 @@ void handlePhoto() {
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if (debugInfo) Serial.println("Photo to sd card requested from: " + String(cip[0]) +"." + String(cip[1]) + "." + String(cip[2]) + "." + String(cip[3]));
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// save an image to sd card
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storeImage(String(imageCounter));
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storeImage(); // save an image to sd card
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// html header
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client.write("<!DOCTYPE html> <html> <body>\n");
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