Home Assistant with multiple ESP32 Cameras! (Part. 2)

ESP32_MQTT/Base_ESP32CAM_HomeAssistant/Base_ESP32CAM_HomeAssistant.ino

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+/////////////////////////////////////////////////////////////////
+/*
+  Home Assistant with multiple ESP32 Cameras! (Part. 2)
+  For More Information: https://youtu.be/MjZjyK1WgjY
+  Created by Eric N. (ThatProject)
+*/
+/////////////////////////////////////////////////////////////////
+
+/*
+- ESP32 Arduino Core: 2.0.9
+- TestDevice: ESP32-CAM AI-Thinker, XIAO ESP32S3 Sense
+
+**Required Library**
+- MQTT: 2.5.1
+https://github.com/256dpi/arduino-mqtt
+*/
+
+#include "esp_camera.h"
+#include <WiFiClientSecure.h>
+#include <MQTT.h>
+
+//Select Your Camera Board
+//#define CAMERA_MODEL_XIAO_ESP32S3
+#define CAMERA_MODEL_AI_THINKER
+#include "camera_pins.h"
+
+const char ssid[] = "<YOUR_WIFI_SSID>";
+const char pass[] = "<YOUR_WIFI_PASSWORD>";
+
+#define CONFIG_BROKER_URL "<YOUR_HA_IP_ADDRESS>"
+
+#define CONFIG_BROKER_USERNAME "MQTT_Camera"
+#define CONFIG_BROKER_PASSWORD "1234"
+
+//For the First Camera
+#define ESP32CAM_DEVICE "ESP32-CAM-0"
+#define ESP32CAM_PUBLISH_TOPIC "esp32/cam_0"
+//For the Second Camera
+//#define ESP32CAM_DEVICE "ESP32-CAM-1"
+//#define ESP32CAM_PUBLISH_TOPIC "esp32/cam_1"
+
+const int bufferSize = 1024 * 25;  // 25KB
+
+WiFiClient net;
+MQTTClient client = MQTTClient(bufferSize);
+
+void connect() {
+  Serial.print("checking wifi...");
+  while (WiFi.status() != WL_CONNECTED) {
+    Serial.print(".");
+    delay(500);
+  }
+
+  Serial.print("\nconnecting...");
+  while (!client.connect(ESP32CAM_DEVICE, CONFIG_BROKER_USERNAME, CONFIG_BROKER_PASSWORD)) {
+    Serial.print(".");
+    delay(1000);
+  }
+
+  Serial.println("\nconnected!");
+}
+
+bool camInit() {
+  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.frame_size = FRAMESIZE_UXGA;
+  config.pixel_format = PIXFORMAT_JPEG;  // for streaming
+  config.grab_mode = CAMERA_GRAB_WHEN_EMPTY;
+  config.fb_location = CAMERA_FB_IN_PSRAM;
+  config.jpeg_quality = 12;
+  config.fb_count = 1;
+
+  // if PSRAM IC present, init with UXGA resolution and higher JPEG quality
+  //                      for larger pre-allocated frame buffer.
+  if (config.pixel_format == PIXFORMAT_JPEG) {
+    if (psramFound()) {
+      config.jpeg_quality = 10;
+      config.fb_count = 2;
+      config.grab_mode = CAMERA_GRAB_LATEST;
+      config.frame_size = FRAMESIZE_VGA;
+    } else {
+      // Limit the frame size when PSRAM is not available
+      config.frame_size = FRAMESIZE_SVGA;
+      config.fb_location = CAMERA_FB_IN_DRAM;
+    }
+  } else {
+    config.frame_size = FRAMESIZE_VGA;
+#if CONFIG_IDF_TARGET_ESP32S3
+    config.fb_count = 2;
+#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 false;
+  }
+
+  return true;
+}
+
+void uploadImage() {
+  Serial.println("uploadImage via MQTT");
+  camera_fb_t* fb = esp_camera_fb_get();
+  if (!fb) {
+    Serial.println("Camera capture failed");
+    return;
+  }
+
+  if (fb->format != PIXFORMAT_JPEG) {
+    Serial.println("Non-JPEG data not implemented");
+    esp_camera_fb_return(fb);
+    return;
+  }
+
+  if (!client.publish(ESP32CAM_PUBLISH_TOPIC, (const char*)fb->buf, fb->len)) {
+    Serial.println("[Failure] Uploading Image via MQTT");
+  }
+
+  esp_camera_fb_return(fb);
+}
+
+void setup() {
+  Serial.begin(115200);
+  if (!camInit()) {
+    Serial.println("[Failure] Cam Init");
+    return;
+  }
+  WiFi.begin(ssid, pass);
+  client.begin(CONFIG_BROKER_URL, 1883, net);
+  connect();
+}
+
+void loop() {
+  client.loop();
+  delay(10);
+
+  if (!client.connected()) {
+    connect();
+  } else {
+    uploadImage();
+  }
+}

ESP32_MQTT/Base_ESP32CAM_HomeAssistant/camera_pins.h

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+
+#if defined(CAMERA_MODEL_WROVER_KIT)
+#define PWDN_GPIO_NUM    -1
+#define RESET_GPIO_NUM   -1
+#define XCLK_GPIO_NUM    21
+#define SIOD_GPIO_NUM    26
+#define SIOC_GPIO_NUM    27
+
+#define Y9_GPIO_NUM      35
+#define Y8_GPIO_NUM      34
+#define Y7_GPIO_NUM      39
+#define Y6_GPIO_NUM      36
+#define Y5_GPIO_NUM      19
+#define Y4_GPIO_NUM      18
+#define Y3_GPIO_NUM       5
+#define Y2_GPIO_NUM       4
+#define VSYNC_GPIO_NUM   25
+#define HREF_GPIO_NUM    23
+#define PCLK_GPIO_NUM    22
+
+#elif defined(CAMERA_MODEL_ESP_EYE)
+#define PWDN_GPIO_NUM    -1
+#define RESET_GPIO_NUM   -1
+#define XCLK_GPIO_NUM    4
+#define SIOD_GPIO_NUM    18
+#define SIOC_GPIO_NUM    23
+
+#define Y9_GPIO_NUM      36
+#define Y8_GPIO_NUM      37
+#define Y7_GPIO_NUM      38
+#define Y6_GPIO_NUM      39
+#define Y5_GPIO_NUM      35
+#define Y4_GPIO_NUM      14
+#define Y3_GPIO_NUM      13
+#define Y2_GPIO_NUM      34
+#define VSYNC_GPIO_NUM   5
+#define HREF_GPIO_NUM    27
+#define PCLK_GPIO_NUM    25
+
+#define LED_GPIO_NUM     22
+
+#elif defined(CAMERA_MODEL_M5STACK_PSRAM)
+#define PWDN_GPIO_NUM     -1
+#define RESET_GPIO_NUM    15
+#define XCLK_GPIO_NUM     27
+#define SIOD_GPIO_NUM     25
+#define SIOC_GPIO_NUM     23
+
+#define Y9_GPIO_NUM       19
+#define Y8_GPIO_NUM       36
+#define Y7_GPIO_NUM       18
+#define Y6_GPIO_NUM       39
+#define Y5_GPIO_NUM        5
+#define Y4_GPIO_NUM       34
+#define Y3_GPIO_NUM       35
+#define Y2_GPIO_NUM       32
+#define VSYNC_GPIO_NUM    22
+#define HREF_GPIO_NUM     26
+#define PCLK_GPIO_NUM     21
+
+#elif defined(CAMERA_MODEL_M5STACK_V2_PSRAM)
+#define PWDN_GPIO_NUM     -1
+#define RESET_GPIO_NUM    15
+#define XCLK_GPIO_NUM     27
+#define SIOD_GPIO_NUM     22
+#define SIOC_GPIO_NUM     23
+
+#define Y9_GPIO_NUM       19
+#define Y8_GPIO_NUM       36
+#define Y7_GPIO_NUM       18
+#define Y6_GPIO_NUM       39
+#define Y5_GPIO_NUM        5
+#define Y4_GPIO_NUM       34
+#define Y3_GPIO_NUM       35
+#define Y2_GPIO_NUM       32
+#define VSYNC_GPIO_NUM    25
+#define HREF_GPIO_NUM     26
+#define PCLK_GPIO_NUM     21
+
+#elif defined(CAMERA_MODEL_M5STACK_WIDE)
+#define PWDN_GPIO_NUM     -1
+#define RESET_GPIO_NUM    15
+#define XCLK_GPIO_NUM     27
+#define SIOD_GPIO_NUM     22
+#define SIOC_GPIO_NUM     23
+
+#define Y9_GPIO_NUM       19
+#define Y8_GPIO_NUM       36
+#define Y7_GPIO_NUM       18
+#define Y6_GPIO_NUM       39
+#define Y5_GPIO_NUM        5
+#define Y4_GPIO_NUM       34
+#define Y3_GPIO_NUM       35
+#define Y2_GPIO_NUM       32
+#define VSYNC_GPIO_NUM    25
+#define HREF_GPIO_NUM     26
+#define PCLK_GPIO_NUM     21
+
+#define LED_GPIO_NUM       2
+
+#elif defined(CAMERA_MODEL_M5STACK_ESP32CAM)
+#define PWDN_GPIO_NUM     -1
+#define RESET_GPIO_NUM    15
+#define XCLK_GPIO_NUM     27
+#define SIOD_GPIO_NUM     25
+#define SIOC_GPIO_NUM     23
+
+#define Y9_GPIO_NUM       19
+#define Y8_GPIO_NUM       36
+#define Y7_GPIO_NUM       18
+#define Y6_GPIO_NUM       39
+#define Y5_GPIO_NUM        5
+#define Y4_GPIO_NUM       34
+#define Y3_GPIO_NUM       35
+#define Y2_GPIO_NUM       17
+#define VSYNC_GPIO_NUM    22
+#define HREF_GPIO_NUM     26
+#define PCLK_GPIO_NUM     21
+
+#elif defined(CAMERA_MODEL_M5STACK_UNITCAM)
+#define PWDN_GPIO_NUM     -1
+#define RESET_GPIO_NUM    15
+#define XCLK_GPIO_NUM     27
+#define SIOD_GPIO_NUM     25
+#define SIOC_GPIO_NUM     23
+
+#define Y9_GPIO_NUM       19
+#define Y8_GPIO_NUM       36
+#define Y7_GPIO_NUM       18
+#define Y6_GPIO_NUM       39
+#define Y5_GPIO_NUM        5
+#define Y4_GPIO_NUM       34
+#define Y3_GPIO_NUM       35
+#define Y2_GPIO_NUM       32
+#define VSYNC_GPIO_NUM    22
+#define HREF_GPIO_NUM     26
+#define PCLK_GPIO_NUM     21
+
+#elif defined(CAMERA_MODEL_AI_THINKER)
+#define PWDN_GPIO_NUM     32
+#define RESET_GPIO_NUM    -1
+#define XCLK_GPIO_NUM      0
+#define SIOD_GPIO_NUM     26
+#define SIOC_GPIO_NUM     27
+
+#define Y9_GPIO_NUM       35
+#define Y8_GPIO_NUM       34
+#define Y7_GPIO_NUM       39
+#define Y6_GPIO_NUM       36
+#define Y5_GPIO_NUM       21
+#define Y4_GPIO_NUM       19
+#define Y3_GPIO_NUM       18
+#define Y2_GPIO_NUM        5
+#define VSYNC_GPIO_NUM    25
+#define HREF_GPIO_NUM     23
+#define PCLK_GPIO_NUM     22
+
+// 4 for flash led or 33 for normal led
+#define LED_GPIO_NUM       4
+
+#elif defined(CAMERA_MODEL_TTGO_T_JOURNAL)
+#define PWDN_GPIO_NUM      0
+#define RESET_GPIO_NUM    15
+#define XCLK_GPIO_NUM     27
+#define SIOD_GPIO_NUM     25
+#define SIOC_GPIO_NUM     23
+
+#define Y9_GPIO_NUM       19
+#define Y8_GPIO_NUM       36
+#define Y7_GPIO_NUM       18
+#define Y6_GPIO_NUM       39
+#define Y5_GPIO_NUM        5
+#define Y4_GPIO_NUM       34
+#define Y3_GPIO_NUM       35
+#define Y2_GPIO_NUM       17
+#define VSYNC_GPIO_NUM    22
+#define HREF_GPIO_NUM     26
+#define PCLK_GPIO_NUM     21
+
+#elif defined(CAMERA_MODEL_XIAO_ESP32S3)
+#define PWDN_GPIO_NUM     -1
+#define RESET_GPIO_NUM    -1
+#define XCLK_GPIO_NUM     10
+#define SIOD_GPIO_NUM     40
+#define SIOC_GPIO_NUM     39
+
+#define Y9_GPIO_NUM       48
+#define Y8_GPIO_NUM       11
+#define Y7_GPIO_NUM       12
+#define Y6_GPIO_NUM       14
+#define Y5_GPIO_NUM       16
+#define Y4_GPIO_NUM       18
+#define Y3_GPIO_NUM       17
+#define Y2_GPIO_NUM       15
+#define VSYNC_GPIO_NUM    38
+#define HREF_GPIO_NUM     47
+#define PCLK_GPIO_NUM     13
+
+#elif defined(CAMERA_MODEL_ESP32_CAM_BOARD)
+// The 18 pin header on the board has Y5 and Y3 swapped
+#define USE_BOARD_HEADER 0 
+#define PWDN_GPIO_NUM    32
+#define RESET_GPIO_NUM   33
+#define XCLK_GPIO_NUM     4
+#define SIOD_GPIO_NUM    18
+#define SIOC_GPIO_NUM    23
+
+#define Y9_GPIO_NUM      36
+#define Y8_GPIO_NUM      19
+#define Y7_GPIO_NUM      21
+#define Y6_GPIO_NUM      39
+#if USE_BOARD_HEADER
+#define Y5_GPIO_NUM      13
+#else
+#define Y5_GPIO_NUM      35
+#endif
+#define Y4_GPIO_NUM      14
+#if USE_BOARD_HEADER
+#define Y3_GPIO_NUM      35
+#else
+#define Y3_GPIO_NUM      13
+#endif
+#define Y2_GPIO_NUM      34
+#define VSYNC_GPIO_NUM    5
+#define HREF_GPIO_NUM    27
+#define PCLK_GPIO_NUM    25
+
+#elif defined(CAMERA_MODEL_ESP32S3_CAM_LCD)
+#define PWDN_GPIO_NUM     -1
+#define RESET_GPIO_NUM    -1
+#define XCLK_GPIO_NUM     40
+#define SIOD_GPIO_NUM     17
+#define SIOC_GPIO_NUM     18
+
+#define Y9_GPIO_NUM       39
+#define Y8_GPIO_NUM       41
+#define Y7_GPIO_NUM       42
+#define Y6_GPIO_NUM       12
+#define Y5_GPIO_NUM       3
+#define Y4_GPIO_NUM       14
+#define Y3_GPIO_NUM       47
+#define Y2_GPIO_NUM       13
+#define VSYNC_GPIO_NUM    21
+#define HREF_GPIO_NUM     38
+#define PCLK_GPIO_NUM     11
+
+#elif defined(CAMERA_MODEL_ESP32S2_CAM_BOARD)
+// The 18 pin header on the board has Y5 and Y3 swapped
+#define USE_BOARD_HEADER 0
+#define PWDN_GPIO_NUM     1
+#define RESET_GPIO_NUM    2
+#define XCLK_GPIO_NUM     42
+#define SIOD_GPIO_NUM     41
+#define SIOC_GPIO_NUM     18
+
+#define Y9_GPIO_NUM       16
+#define Y8_GPIO_NUM       39
+#define Y7_GPIO_NUM       40
+#define Y6_GPIO_NUM       15
+#if USE_BOARD_HEADER
+#define Y5_GPIO_NUM       12
+#else
+#define Y5_GPIO_NUM       13
+#endif
+#define Y4_GPIO_NUM       5
+#if USE_BOARD_HEADER
+#define Y3_GPIO_NUM       13
+#else
+#define Y3_GPIO_NUM       12
+#endif
+#define Y2_GPIO_NUM       14
+#define VSYNC_GPIO_NUM    38
+#define HREF_GPIO_NUM     4
+#define PCLK_GPIO_NUM     3
+
+#elif defined(CAMERA_MODEL_ESP32S3_EYE)
+#define PWDN_GPIO_NUM -1
+#define RESET_GPIO_NUM -1
+#define XCLK_GPIO_NUM 15
+#define SIOD_GPIO_NUM 4
+#define SIOC_GPIO_NUM 5
+
+#define Y2_GPIO_NUM 11
+#define Y3_GPIO_NUM 9
+#define Y4_GPIO_NUM 8
+#define Y5_GPIO_NUM 10
+#define Y6_GPIO_NUM 12
+#define Y7_GPIO_NUM 18
+#define Y8_GPIO_NUM 17
+#define Y9_GPIO_NUM 16
+
+#define VSYNC_GPIO_NUM 6
+#define HREF_GPIO_NUM 7
+#define PCLK_GPIO_NUM 13
+
+#else
+#error "Camera model not selected"
+#endif