kopia lustrzana https://github.com/alanesq/esp32cam-demo
Update esp32cam-demo.ino
Alan
GitHub
rodzic
f19a2050ec
commit
576906bc9b
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@ -101,7 +101,7 @@
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// ---------------------------------------------------------------
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const char* stitle = "ESP32Cam-demo"; // title of this sketch
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const char* sversion = "02Jan22"; // Sketch version
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const char* sversion = "03Jan22"; // Sketch version
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bool sendRGBfile = 0; // if set '/rgb' will send the rgb data as a file rather than display some on a HTML page
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@ -192,7 +192,6 @@ WebServer server(80); // serve web pages on port 80
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// Define some 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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uint32_t illuminationLEDstatus; // current brightness setting of the illumination led
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@ -233,7 +232,7 @@ void setup() {
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Serial.print(SSID_NAME);
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Serial.print("\n ");
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}
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WiFi.begin(SSID_NAME, SSID_PASWORD); // can be set in platformio.ini
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WiFi.begin(SSID_NAME, SSID_PASWORD);
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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if (serialDebug) Serial.print(".");
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@ -336,7 +335,7 @@ void setup() {
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digitalWrite(indicatorLED,HIGH); // led off = High
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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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pinMode(iopinC, INPUT); // pin 16 - free input only pin (may cause issues?)
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// MCP23017 io expander (requires adafruit MCP23017 library)
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#if useMCP23017 == 1
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@ -349,13 +348,13 @@ void setup() {
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// read pin state with mcp.digitalRead(8)
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#endif
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// set up bright LED (flash)
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// set up illumination LED (flash)
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ledcSetup(ledChannel, ledFreq, ledRresolution);
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ledcAttachPin(brightLED, ledChannel);
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brightLed(0); // change bright LED
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// startup complete
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if (serialDebug) Serial.println("\nSetup complete...");
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if (serialDebug) Serial.println("\nStarted...");
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brightLed(64); // change bright LED
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delay(200);
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brightLed(0); // change bright LED
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@ -363,10 +362,11 @@ void setup() {
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} // setup
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// change bright LED illumination level
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// change illumination LED brightness
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void brightLed(byte ledBrightness){
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brightLEDbrightness = ledBrightness; // store setting
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ledcWrite(ledChannel, ledBrightness); // change LED brightness (0 - 255)
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if (serialDebug) Serial.println("Brightness changed to " + String(ledBrightness) );
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}
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@ -394,10 +394,12 @@ void loop() {
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// // demo to Capture an image and save to sd card every 5 seconds (i.e. time lapse)
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// // Capture an image and save to sd card every 5 seconds (i.e. time lapse)
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// static uint32_t lastCamera = millis();
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// if ( ((unsigned long)(millis() - lastCamera) >= 5000) && sdcardPresent ) {
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// lastCamera = millis(); // reset timer
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// storeImage(); // save an image to sd card
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// if (serialDebug) Serial.println("Time lapse image captured");
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// }
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// flash status LED to show sketch is running ok
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@ -421,7 +423,6 @@ void loop() {
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bool initialiseCamera() {
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camera_config_t config;
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config.ledc_channel = LEDC_CHANNEL_0;
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config.ledc_timer = LEDC_TIMER_0;
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config.pin_d0 = Y2_GPIO_NUM;
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@ -484,6 +485,8 @@ bool initialiseCamera() {
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bool cameraImageSettings() {
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if (serialDebug) Serial.println("Applying camera settings");
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sensor_t *s = esp_camera_sensor_get();
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// something to try?: if (s->id.PID == OV3660_PID)
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if (s == NULL) {
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@ -571,10 +574,11 @@ void flashLED(int reps) {
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// critical error - stop sketch and continually flash error code on indicator led
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void showError(int errorNo) {
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while(1) {
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if (serialDebug) Serial.println("Critical Error: " + String(errorNo) );
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while(1) { // repeat forever
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flashLED(errorNo);
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delay(4000);
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}
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}
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}
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@ -593,7 +597,7 @@ byte storeImage() {
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// capture the image from camera
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int currentBrightness = brightLEDbrightness;
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if (flashRequired) brightLed(255); // change LED brightness (0 - 255)
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camera_fb_t *fb = esp_camera_fb_get(); // capture image frame from camera
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camera_fb_t *fb = esp_camera_fb_get(); // capture image frame from camera
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if (flashRequired) brightLed(currentBrightness); // change LED brightness back to previous state
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if (!fb) {
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if (serialDebug) Serial.println("Error: Camera capture failed");
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@ -691,27 +695,38 @@ void handleRoot() {
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// if button1 was pressed (toggle io pin A)
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// Note: if using an input box etc. you would read the value with the command: String Bvalue = server.arg("demobutton1");
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if (server.hasArg("button1")) {
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digitalWrite(iopinA,!digitalRead(iopinA)); // toggle output pin on/off
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if (serialDebug) Serial.println("Button 1 pressed");
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digitalWrite(iopinA,!digitalRead(iopinA)); // toggle output pin on/off
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}
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// if button2 was pressed (toggle io pin B)
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if (server.hasArg("button2")) {
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digitalWrite(iopinB,!digitalRead(iopinB)); // toggle output pin on/off
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if (serialDebug) Serial.println("Button 2 pressed");
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digitalWrite(iopinB,!digitalRead(iopinB)); // toggle output pin on/off
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}
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// if button3 was pressed (toggle flash LED)
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if (server.hasArg("button3")) {
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if (serialDebug) Serial.println("Button 3 pressed");
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if (brightLEDbrightness == 0) brightLed(10); // turn led on dim
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else if (brightLEDbrightness == 10) brightLed(40); // turn led on medium
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else if (brightLEDbrightness == 40) brightLed(255); // turn led on full
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else brightLed(0); // turn led off
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if (serialDebug) Serial.println("Button 3 pressed");
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}
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// if button4 was pressed (format SPIFFS)
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if (server.hasArg("button4")) {
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if (serialDebug) Serial.println("Button 4 pressed");
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if (!SPIFFS.format()) {
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if (serialDebug) Serial.println("Error: Unable to format Spiffs");
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} else {
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if (serialDebug) Serial.println("Spiffs memory has been formatted");
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}
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}
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// if exposure was adjusted - cameraImageExposure
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if (server.hasArg("exp")) {
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if (serialDebug) Serial.println("Exposure has been changed");
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String Tvalue = server.arg("exp"); // read value
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if (Tvalue != NULL) {
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int val = Tvalue.toInt();
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@ -725,6 +740,7 @@ void handleRoot() {
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// if image gain was adjusted - cameraImageGain
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if (server.hasArg("gain")) {
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if (serialDebug) Serial.println("Gain has been changed");
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String Tvalue = server.arg("gain"); // read value
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if (Tvalue != NULL) {
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int val = Tvalue.toInt();
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@ -781,7 +797,8 @@ void handleRoot() {
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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'><br> \n");
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client.write("<input style='height: 35px;' name='button3' value='Toggle Flash' type='submit'> \n");
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client.write("<input style='height: 35px;' name='button4' value='Wipe SPIFFS memory' type='submit'><br> \n");
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// Image setting controls
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client.write("<br>CAMERA SETTINGS: \n");
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@ -792,7 +809,7 @@ void handleRoot() {
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// links to the other pages available
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client.write("<br>LINKS: \n");
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client.write("<a href='/photo'>Capture an image</a> - \n");
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client.write("<a href='/img'>View stored images</a> - \n");
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client.write("<a href='/img'>View stored image</a> - \n");
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client.write("<a href='/rgb'>Capture Image as raw RGB data</a> - \n");
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client.write("<a href='/stream'>Live stream</a><br>\n");
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@ -937,8 +954,7 @@ void handleNotFound() {
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String tReply;
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// log page request
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if (serialDebug) Serial.print("Invalid page requested");
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if (serialDebug) Serial.print("Invalid page requested");
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tReply = "File Not Found\n\n";
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tReply += "URI: ";
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@ -965,9 +981,10 @@ void handleNotFound() {
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// send line of text to both serial port and web page
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void MessageRGB(WiFiClient &client, String theText) {
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if (!sendRGBfile) client.print(theText + "<br>\n");
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if (serialDebug || theText.indexOf("error") > 0) Serial.println(theText);
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if (serialDebug || theText.indexOf("error") > 0) Serial.println(theText); // if text contains "error"
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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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@ -1003,6 +1020,7 @@ void readRGBImage() {
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camera_fb_t * fb = NULL;
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tTimer = millis(); // store time that image capture started
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fb = esp_camera_fb_get();
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if (!fb) MessageRGB(client,"error: failed to capture image");
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MessageRGB(client, "-Image capture took " + String(millis() - tTimer) + " milliseconds"); // report time it took to capture an image
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if (!fb) MessageRGB(client," -error capturing image from camera- ");
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else {
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@ -1085,21 +1103,28 @@ void readRGBImage() {
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bool getNTPtime(int sec) {
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{
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uint32_t start = millis();
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uint32_t start = millis(); // timeout timer
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do {
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time(&now);
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localtime_r(&now, &timeinfo);
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Serial.print(".");
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if (serialDebug) Serial.print(".");
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delay(100);
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} while (((millis() - start) <= (1000 * sec)) && (timeinfo.tm_year < (2016 - 1900)));
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if (timeinfo.tm_year <= (2016 - 1900)) return false; // the NTP call was not successful
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Serial.print("now "); Serial.println(now);
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char time_output[30];
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strftime(time_output, 30, "%a %d-%m-%y %T", localtime(&now));
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Serial.println(time_output);
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Serial.println();
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}
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if (serialDebug) {
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Serial.print("now ");
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Serial.println(now);
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}
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// Display time
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if (serialDebug) {
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char time_output[30];
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strftime(time_output, 30, "%a %d-%m-%y %T", localtime(&now));
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Serial.println(time_output);
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Serial.println();
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}
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return true;
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}
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@ -1109,47 +1134,51 @@ bool getNTPtime(int sec) {
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// ----------------------------------------------------------------
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// Capture image and send as a jpg
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void handleJPG(){
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void handleJPG() {
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WiFiClient client = server.client(); // open link with client
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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 (serialDebug) {
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IPAddress cip = client.remoteIP();
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Serial.printf("jpg requested from: %d.%d.%d.%d \n", cip[0], cip[1], cip[2], cip[3]);
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}
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// log page request including clients IP address
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if (serialDebug) {
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IPAddress cip = client.remoteIP();
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Serial.printf("jpg requested from: %d.%d.%d.%d \n", cip[0], cip[1], cip[2], cip[3]);
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}
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// HTML used in the web page
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const char HEADER[] = "HTTP/1.1 200 OK\r\n" \
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"Access-Control-Allow-Origin: *\r\n" \
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"Content-Type: multipart/x-mixed-replace; boundary=123456789000000000000987654321\r\n";
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const char BOUNDARY[] = "\r\n--123456789000000000000987654321\r\n"; // marks end of each image frame
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const char CTNTTYPE[] = "Content-Type: image/jpeg\r\nContent-Length: "; // marks start of image data
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const int hdrLen = strlen(HEADER); // length of the stored text, used when sending to web page
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const int bdrLen = strlen(BOUNDARY);
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const int cntLen = strlen(CTNTTYPE);
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// HTML used in the web page
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const char HEADER[] = "HTTP/1.1 200 OK\r\n" \
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"Access-Control-Allow-Origin: *\r\n" \
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"Content-Type: multipart/x-mixed-replace; boundary=123456789000000000000987654321\r\n";
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const char BOUNDARY[] = "\r\n--123456789000000000000987654321\r\n"; // marks end of each image frame
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const char CTNTTYPE[] = "Content-Type: image/jpeg\r\nContent-Length: "; // marks start of image data
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const int hdrLen = strlen(HEADER); // length of the stored text, used when sending to web page
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const int bdrLen = strlen(BOUNDARY);
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const int cntLen = strlen(CTNTTYPE);
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// temp stores
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char buf[32];
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int s;
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camera_fb_t * fb = NULL;
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// temp stores
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char buf[32];
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int s;
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camera_fb_t * fb = NULL;
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// send html header
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client.write(HEADER, hdrLen);
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client.write(BOUNDARY, bdrLen);
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// send html header
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client.write(HEADER, hdrLen);
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client.write(BOUNDARY, bdrLen);
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// send live image
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fb = esp_camera_fb_get(); // capture live image
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s = fb->len; // store size of image (i.e. buffer length)
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client.write(CTNTTYPE, cntLen); // send content type html (i.e. jpg image)
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sprintf( buf, "%d\r\n\r\n", s ); // format the image's size as html and put in to 'buf'
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client.write(buf, strlen(buf)); // send result (image size)
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client.write((char *)fb->buf, s); // 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 so memory can be released
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// capture and send image
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fb = esp_camera_fb_get(); // capture live image
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if (!fb) {
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if (serialDebug) Serial.println("Error: failed to capture image");
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return; // capture failed
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}
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s = fb->len; // store size of image (i.e. buffer length)
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client.write(CTNTTYPE, cntLen); // send content type html (i.e. jpg image)
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sprintf( buf, "%d\r\n\r\n", s ); // format the image's size as html and put in to 'buf'
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client.write(buf, strlen(buf)); // send result (image size)
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client.write((char *)fb->buf, s); // 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 so memory can be released
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delay(3);
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client.stop();
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delay(3);
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client.stop();
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} // handleJPG
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@ -1193,6 +1222,9 @@ void handleStream(){
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{
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if (!client.connected()) break;
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fb = esp_camera_fb_get(); // capture live image
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if (!fb) {
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if (serialDebug) Serial.println("Error: failed to capture image");
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}
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s = fb->len; // store size of image (i.e. buffer length)
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client.write(CTNTTYPE, cntLen); // send content type html (i.e. jpg image)
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sprintf( buf, "%d\r\n\r\n", s ); // format the image's size as html and put in to 'buf'
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