kopia lustrzana https://github.com/alanesq/esp32cam-demo
now also works with PlatformIO
Alan
GitHub
rodzic
8d43b1c7cd
commit
e8a1298cc6
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@ -1,6 +1,6 @@
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/*******************************************************************************************************************
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*
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* ESP32Cam development board demo sketch using Arduino IDE
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* ESP32Cam development board demo sketch using Arduino IDE or PlatformIO
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* Github: https://github.com/alanesq/ESP32Cam-demo
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*
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* Tested with ESP32 board manager version 1.0.6
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@ -42,14 +42,6 @@
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#error This sketch is only for an ESP32Cam module
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#endif
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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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// ******************************************************************************************************************
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// ---------------------------------------------------------------------------------------------------------
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@ -65,6 +57,37 @@
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// ---------------------------------------------------------------------------------------------------------
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#include <Arduino.h> // required by PlatformIO
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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 <WiFi.h>
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#include <WebServer.h>
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#include <HTTPClient.h> // used by requestWebPage()
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#include "driver/ledc.h" // used to configure pwm on illumination led
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// spiffs used to store images without an sd card
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#include <SPIFFS.h>
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#include <FS.h> // gives file access on spiffs
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// forward declarations (required by PlatformIO)
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bool initialiseCamera();
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bool cameraImageSettings();
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String localTime();
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void flashLED(int reps);
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void showError(int errorNo);
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byte storeImage();
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void handleRoot();
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void handlePhoto();
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bool handleImg();
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void handleNotFound();
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void readRGBImage();
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bool getNTPtime(int sec);
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void handleStream();
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String requestWebPage(String ip, String page, int port, int maxChars, String cuttoffText);
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void handleTest();
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void brightLed(byte ledBrightness);
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void MessageRGB(WiFiClient &client, String theText);
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// ---------------------------------------------------------------
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@ -72,7 +95,7 @@
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// ---------------------------------------------------------------
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const char* stitle = "ESP32Cam-demo"; // title of this sketch
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const char* sversion = "08Oct21"; // Sketch version
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const char* sversion = "21Nov21"; // 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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@ -141,15 +164,6 @@
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// ******************************************************************************************************************
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#include <WiFi.h>
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#include <WebServer.h>
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#include <HTTPClient.h> // used by requestWebPage()
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#include "driver/ledc.h" // used to configure pwm on illumination led
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// spiffs used to store images without an sd card
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#include <SPIFFS.h>
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#include <FS.h> // gives file access on spiffs
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WebServer server(80); // serve web pages on port 80
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// Used to disable brownout detection
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@ -1036,9 +1050,9 @@ void readRGBImage() {
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delay(3);
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client.stop();
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// finished with the data so free up the space used in psram
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esp_camera_fb_return(fb);
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heap_caps_free(ptrVal);
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// finished with the data so free up the memory space used in psram
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esp_camera_fb_return(fb); // camera frame buffer
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heap_caps_free(ptrVal); // rgb data
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} // readRGBImage
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@ -1047,7 +1061,7 @@ void readRGBImage() {
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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);
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}
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@ -1145,15 +1159,20 @@ void handleStream(){
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// ----------------------------------------------------------------
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// request a web page
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// ----------------------------------------------------------------
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// parameters = ip address, page to request, port to use (usually 80), maximum chars to receive, ignore all in reply before this text
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// e.g. String q = requestWebPage("192.168.1.166","/log",80,600,"");
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// @param ip ip address
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// @param page web page to request
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// @param port ip port to use (usually 80)
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// @param maxChars maximum number of chars to receive
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// @param cuttoffText ignore all in reply before this text
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// @return the reply as a string
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// Example usage: requestWebPage("192.168.1.166", "/log", 80, 600, "");
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String requestWebPage(String ip, String page, int port, int maxChars, String cuttoffText = ""){
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int maxWaitTime = 3000; // max time to wait for reply (ms)
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uint32_t maxWaitTime = 3000; // max time to wait for reply (ms)
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char received[maxChars + 1]; // temp store for incoming character data
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int received_counter = 0; // number of characters which have been received
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int received_counter = 0; // counter of number of characters which have been received
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if (!page.startsWith("/")) page = "/" + page; // make sure page begins with "/"
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@ -1173,23 +1192,24 @@ String requestWebPage(String ip, String page, int port, int maxChars, String cut
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if (serialDebug) Serial.println("Connected to host - sending request...");
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// send request - A basic request looks something like: "GET /index.html HTTP/1.1\r\nHost: 192.168.0.4:8085\r\n\r\n"
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client.print("GET " + page + " HTTP/1.1\r\n" +
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"Host: " + ip + "\r\n" +
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"Connection: close\r\n\r\n");
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client.println("GET " + page + " HTTP/1.1 ");
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client.println("Host: " + ip );
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client.println("User-Agent: arduino-ethernet");
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client.println("Connection: close");
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client.println(); // needed to end HTTP header
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if (serialDebug) Serial.println("Request sent - waiting for reply...");
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// Wait for a response
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uint32_t ttimer = millis();
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while ( !client.available() && (uint32_t)(millis() - ttimer) < maxWaitTime ) {
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while ( client.connected() && !client.available() && (uint32_t)(millis() - ttimer) < maxWaitTime ) {
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delay(10);
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}
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if ( ((uint32_t)(millis() - ttimer) > maxWaitTime ) && serialDebug) Serial.println("-Timed out");
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// read the response
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while ( client.available() && received_counter < maxChars ) {
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#if defined ESP8266
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delay(2); // it just reads 255s on esp8266 if this delay is not included
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#endif
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while ( client.connected() && client.available() && received_counter < maxChars ) {
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delay(4);
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received[received_counter] = char(client.read()); // read one character
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received_counter+=1;
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}
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@ -1215,7 +1235,8 @@ String requestWebPage(String ip, String page, int port, int maxChars, String cut
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}
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return received; // return the full reply text
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}
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} // requestWebPage
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@ -0,0 +1,14 @@
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; PlatformIO Project Configuration File
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;
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; Build options: build flags, source filter
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; Upload options: custom upload port, speed and extra flags
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; Library options: dependencies, extra library storages
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; Advanced options: extra scripting
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;
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; Please visit documentation for the other options and examples
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; https://docs.platformio.org/page/projectconf.html
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[env:esp32cam]
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platform = espressif32
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board = esp32cam
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framework = arduino
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