init

src/camera_service.cpp

@@ -0,0 +1,85 @@
+#include <Arduino.h>
+#include "camera_service.h"
+#include "config.h"
+
+#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
+
+void CameraService::init()
+{
+    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_GRAYSCALE;
+
+    config.frame_size = FRAMESIZE_QVGA;
+
+    config.jpeg_quality = 12;
+    config.fb_count = 1; // how many frame buffers (we only care about recent frame)
+
+    if (psramFound())
+    {
+        config.jpeg_quality = 10;
+        config.fb_count = 2;
+    }
+    else
+    {
+        // Fallback for non-PSRAM boards (rare for ESP32-CAM)
+        config.jpeg_quality = 12;
+        config.fb_count = 1;
+    }
+
+    esp_err_t err = esp_camera_init(&config);
+    if (err != ESP_OK)
+    {
+        Serial.printf("[ERR] Camera Init Failed: 0x%x\n", err);
+        return;
+    }
+}
+
+CameraService::Frame CameraService::capture()
+{
+    camera_fb_t *fb = esp_camera_fb_get();
+
+    if (!fb)
+    {
+        Serial.println("[ERR] Camera Capture Failed");
+    }
+
+    return Frame(fb);
+}