Initial, does not compile (but I know what is wrong)

Author: easytarget

CameraWebServer-IDE-Example.ino

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+#include "esp_camera.h"
+#include <WiFi.h>
+
+//
+// WARNING!!! Make sure that you have either selected ESP32 Wrover Module,
+//            or another board which has PSRAM enabled
+//
+
+// Select camera board model
+//#define CAMERA_MODEL_WROVER_KIT
+//#define CAMERA_MODEL_ESP_EYE
+//#define CAMERA_MODEL_M5STACK_PSRAM
+//#define CAMERA_MODEL_M5STACK_WIDE
+#define CAMERA_MODEL_AI_THINKER
+
+// Select camera module used on the board
+#define CAMERA_MODULE_OV2640
+//#define CAMERA_MODULE_OV3660
+
+#if __has_include("mywifi.h")
+  // I keep my settings in a seperate header file that is in my .gitignore file
+  #include "mywifi.h"
+#else
+  // OWEN: todo
+  // Leave as is to create the default accesspoint, or comment out ACCESSPOINT 
+  //  line and supply your own network SSID and PASSWORD.
+  //bool accessPoint = true;
+  //const char ap_ssid[] = "ESP-CAM-SERVER";
+  //const char ap_password[]  = "ESP-CAM-DEMO";
+  const char* ssid = "my-access-point-ssid";
+  const char* password = "my-access-point-password";
+#endif
+
+#include "camera_pins.h"
+
+#ifdef LED_PIN // Do we have a LED pin?
+  const int ledPin = LED_PIN;
+#else 
+  const int ledPin = -1;
+#endif
+long int  ledVal = 10; // Start with LED dim
+const int ledChannel = 8; // chose a free PWM channel (some channels apparently used by camera)
+const int pwmfreq = 50000; // 5Khz was very audible on my PSU, 50K better.
+const int pwmresolution = 8; // duty cycle has 8 bit range
+  
+void startCameraServer();
+
+void setup() {
+  Serial.begin(115200);
+  Serial.setDebugOutput(true);  // OWEN: Change? ProperDebug with #ifdef & stuff..?
+  Serial.println();
+
+  if (ledPin != -1) {
+    ledcSetup(ledChannel, pwmfreq, pwmresolution); // configure LED PWM channel
+    ledcAttachPin(LED_PIN, ledChannel);            // attach the GPIO pin to the channel 
+    ledcWrite(ledChannel, ledVal);                 // set initial value
+  }
+
+  camera_config_t config;
+  config.ledc_channel = LEDC_CHANNEL_0;
+  config.ledc_timer = LEDC_TIMER_0;
+  config.pin_d0 = Y2_GPIO_NUM;
+  config.pin_d1 = Y3_GPIO_NUM;
+  config.pin_d2 = Y4_GPIO_NUM;
+  config.pin_d3 = Y5_GPIO_NUM;
+  config.pin_d4 = Y6_GPIO_NUM;
+  config.pin_d5 = Y7_GPIO_NUM;
+  config.pin_d6 = Y8_GPIO_NUM;
+  config.pin_d7 = Y9_GPIO_NUM;
+  config.pin_xclk = XCLK_GPIO_NUM;
+  config.pin_pclk = PCLK_GPIO_NUM;
+  config.pin_vsync = VSYNC_GPIO_NUM;
+  config.pin_href = HREF_GPIO_NUM;
+  config.pin_sscb_sda = SIOD_GPIO_NUM;
+  config.pin_sscb_scl = SIOC_GPIO_NUM;
+  config.pin_pwdn = PWDN_GPIO_NUM;
+  config.pin_reset = RESET_GPIO_NUM;
+  config.xclk_freq_hz = 20000000;
+  config.pixel_format = PIXFORMAT_JPEG;
+  //init with high specs to pre-allocate larger buffers
+  if(psramFound()){
+    config.frame_size = FRAMESIZE_UXGA;
+    config.jpeg_quality = 10;
+    config.fb_count = 2;
+  } else {
+    config.frame_size = FRAMESIZE_SVGA;
+    config.jpeg_quality = 12;
+    config.fb_count = 1;
+  }
+
+#if defined(CAMERA_MODEL_ESP_EYE)
+  pinMode(13, INPUT_PULLUP);
+  pinMode(14, INPUT_PULLUP);
+#endif
+
+  // camera init
+  esp_err_t err = esp_camera_init(&config);
+  if (err != ESP_OK) {
+    Serial.printf("Camera init failed with error 0x%x", err);
+    return;
+  }
+
+  sensor_t * s = esp_camera_sensor_get();
+  //initial sensors are flipped vertically and colors are a bit saturated
+  if (s->id.PID == OV3660_PID) {
+    s->set_vflip(s, 1);//flip it back
+    s->set_brightness(s, 1);//up the blightness just a bit
+    s->set_saturation(s, -2);//lower the saturation
+  }
+  //drop down frame size for higher initial frame rate
+  s->set_framesize(s, FRAMESIZE_QVGA);
+
+#if defined(CAMERA_MODEL_M5STACK_WIDE)
+  s->set_vflip(s, 1);
+  s->set_hmirror(s, 1);
+#endif
+
+  WiFi.begin(ssid, password);
+
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+  }
+  Serial.println("");
+  Serial.println("WiFi connected");
+
+  startCameraServer();
+
+  Serial.print("Camera Ready! Use 'http://");
+  Serial.print(WiFi.localIP());
+  Serial.println("' to connect");
+}
+
+void flashLED(int power)
+{
+  if (ledPin == -1) return; // no led.
+  if (ledVal < 64) { // Only flash at power if dim
+    ledcWrite(ledChannel, power);     // A flash at requested power.
+    delay(5);                         // small delay
+    ledcWrite(ledChannel, ledVal);    // turn the LED back to set power
+  } else { // otherwise blink off
+    ledcWrite(ledChannel, 0);         // blink off
+    delay(5);                         // small delay
+    ledcWrite(ledChannel, ledVal);    // turn the LED back to set power
+  }
+ }
+
+void loop() {
+  // put your main code here, to run repeatedly:
+  delay(10000);
+}

README.md

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+# Taken from the ESP examples, and modified for reality