kopia lustrzana https://github.com/alanesq/esp32cam-demo
now with 3 spare gpio pins
Alan
GitHub
rodzic
ec00023e86
commit
70adaad3f0
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@ -4,12 +4,16 @@
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* Github: https://github.com/alanesq/ESP32Cam-demo
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*
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* Starting point sketch for projects using the esp32cam development board with the following features
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* web server with live video streaming
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* sd card support (using 1bit mode to free some io pins)
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* io pins available for use are 13 and 12 (12 must be low at boot)
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* flash led is still available for use on pin 4 and does not flash when accessing sd card
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* web server with live video streaming and RGB data from camera demonstrated.
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* sd card support using 1-bit mode (data pins are usually 2,4,12&13 but using 1bit mode only uses pin 2)
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* flash led is still available for use (pin 4) and does not flash when accessing sd card
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*
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*
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* GPIO:
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* io pins available for use are 13 and 12 (12 must not be high at boot)
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* pin16 can be used but it has a 10k pullup resistor connected to it on this board for some reason so only good as an input
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* You could also use 1 and 3 if you do not use Serial or 14,2&15 if not using SD Card
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* Other possible pins you could solder directly to the esp32 module? 17, 9, 10, 11, 6, 7, 8
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*
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* Created using the Arduino IDE with ESP32 module installed, no additional libraries required
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* ESP32 support for Arduino IDE: https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json
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*
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@ -62,6 +66,7 @@
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const int iopinA = 13; // general io pin 13
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const int iopinB = 12; // general io pin 12 (must not be high at boot)
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const int iopinC = 16; // input only pin 16 (has a 10k pullup resistor)
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const int serialSpeed = 115200; // Serial data speed to use
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@ -153,6 +158,7 @@ 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("/test", handleTest); // Testing procedure
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server.onNotFound(handleNotFound); // invalid url requested
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// set up camera
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@ -208,6 +214,7 @@ void setup() {
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digitalWrite(brightLED,LOW); // led off = Low
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pinMode(iopinA, OUTPUT); // pin 13 - free io pin, can be used for input or output
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pinMode(iopinB, OUTPUT); // pin 12 - free io pin, can be used for input or output (must not be high at boot)
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pinMode(iopinC, INPUT); // pin 16 - free input only pin
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// check the esp32cam board has a psram chip installed (extra memory used for storing captured images)
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// Note: if not using "AI thinker esp32 cam" in the Arduino IDE, SPIFFS must be enabled
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@ -546,11 +553,14 @@ void handleRoot() {
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else client.write("<p>No SD Card detected</p>\n");
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// io pin details
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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(iopinA) == LOW) client.write("<p>Output Pin 13 is Low</p>\n");
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else client.write("<p>Output 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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if (digitalRead(iopinB) == LOW) client.write("<p>Output Pin 12 is Low</p>\n");
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else client.write("<p>Output Pin 12 is High</p>\n");
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if (digitalRead(iopinC) == LOW) client.write("<p>Input Pin 16 is Low</p>\n");
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else client.write("<p>Input Pin 16 is High</p>\n");
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// // touch input on the two gpio pins
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// client.printf("<p>Touch on pin 12: %d </p>\n", touchRead(T5) );
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@ -627,9 +637,6 @@ void handlePhoto() {
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// ----------------------------------------------------------------
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// -show images stored on sd card i.e. http://x.x.x.x/img?img=x
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// ----------------------------------------------------------------
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@ -883,6 +890,46 @@ void handleStream(){
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} // handleStream
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// ******************************************************************************************************************
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// ----------------------------------------------------------------
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// -test procedure i.e. http://x.x.x.x/test
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// ----------------------------------------------------------------
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void handleTest() {
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WiFiClient client = server.client(); // open link with client
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// log page request including clients IP address
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if (debugInfo) {
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IPAddress cip = client.remoteIP();
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Serial.printf("Test requested from: %d.%d.%d.%d \n", cip[0], cip[1], cip[2], cip[3]);
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}
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// html header
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client.write("<!DOCTYPE html> <html lang='en'> <head> <title>photo</title> </head> <body>\n"); // basic html header
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// html body
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client.print("<p>Test Page</p>\n");
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// end html
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client.write("</body></html>\n");
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delay(3);
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client.stop();
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} // handleTest
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// ******************************************************************************************************************
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// end
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