Atoms3r cam m12 echo base (#689)

* main/boards: Add camera support for M5Stack CoreS3.

* main/boards: Add camera support for M5Stack AtomS3R-CAM/M12 + EchoBase.

Author: hlym123

main/boards/atoms3r-cam-m12-echo-base/README.md

@@ -31,6 +31,7 @@ idf.py menuconfig
 分别配置如下选项：
 
 - `Xiaozhi Assistant` → `Board Type` → 选择 `AtomS3R CAM/M12 + Echo Base`
+- `Xiaozhi Assistant` → `IoT Protocol` → 选择 `MCP协议` 可开启摄像头识别功能
 - `Partition Table` → `Custom partition CSV file` → 删除原有内容，输入 `partitions_8M.csv`
 - `Serial flasher config` → `Flash size` → 选择 `8 MB`
 

main/boards/atoms3r-cam-m12-echo-base/atoms3r_cam_m12_echo_base.cc

@@ -10,8 +10,9 @@
 #include <esp_log.h>
 #include <driver/i2c_master.h>
 #include <wifi_station.h>
+#include "esp32_camera.h"
 
-#define TAG "AtomS3R M12+EchoBase"
+#define TAG "AtomS3R CAM/M12 + EchoBase"
 
 #define PI4IOE_ADDR          0x43
 #define PI4IOE_REG_CTRL      0x00
@@ -39,6 +40,7 @@ class AtomS3rCamM12EchoBaseBoard : public WifiBoard {
     i2c_master_bus_handle_t i2c_bus_;
     Pi4ioe* pi4ioe_ = nullptr;
     bool is_echo_base_connected_ = false;
+    Esp32Camera* camera_;
 
     void InitializeI2c() {
         // Initialize I2C peripheral
@@ -122,7 +124,37 @@ class AtomS3rCamM12EchoBaseBoard : public WifiBoard {
 
         ESP_LOGI(TAG, "Camera Power Enabled");
 
-        vTaskDelay(pdMS_TO_TICKS(200));
+        vTaskDelay(pdMS_TO_TICKS(300));
+    }
+
+      void InitializeCamera() {
+        camera_config_t config = {};
+        config.pin_d0 = CAMERA_PIN_D0;
+        config.pin_d1 = CAMERA_PIN_D1;
+        config.pin_d2 = CAMERA_PIN_D2;
+        config.pin_d3 = CAMERA_PIN_D3;
+        config.pin_d4 = CAMERA_PIN_D4;
+        config.pin_d5 = CAMERA_PIN_D5;
+        config.pin_d6 = CAMERA_PIN_D6;
+        config.pin_d7 = CAMERA_PIN_D7;
+        config.pin_xclk = CAMERA_PIN_XCLK;
+        config.pin_pclk = CAMERA_PIN_PCLK;
+        config.pin_vsync = CAMERA_PIN_VSYNC;
+        config.pin_href = CAMERA_PIN_HREF;
+        config.pin_sccb_sda = CAMERA_PIN_SIOD;  
+        config.pin_sccb_scl = CAMERA_PIN_SIOC;
+        config.sccb_i2c_port = 1;
+        config.pin_pwdn = CAMERA_PIN_PWDN;
+        config.pin_reset = CAMERA_PIN_RESET;
+        config.xclk_freq_hz = XCLK_FREQ_HZ;
+        config.pixel_format = PIXFORMAT_RGB565;
+        config.frame_size = FRAMESIZE_QVGA;
+        config.jpeg_quality = 12;
+        config.fb_count = 1;
+        config.fb_location = CAMERA_FB_IN_PSRAM;
+        config.grab_mode = CAMERA_GRAB_WHEN_EMPTY;
+        camera_ = new Esp32Camera(config);
+        camera_->SetHMirror(false);
     }
 
     // 物联网初始化，添加对 AI 可见设备
@@ -131,9 +163,13 @@ class AtomS3rCamM12EchoBaseBoard : public WifiBoard {
         thing_manager.AddThing(iot::CreateThing("Speaker"));
     }
 
+    virtual Camera* GetCamera() override {
+        return camera_;
+    }
 public:
     AtomS3rCamM12EchoBaseBoard() {
         EnableCameraPower(); // IO18 还会控制指示灯
+        InitializeCamera();
         InitializeI2c();
         I2cDetect();
         CheckEchoBaseConnection();

main/boards/atoms3r-cam-m12-echo-base/config.h

@@ -25,27 +25,25 @@
 #define VOLUME_UP_BUTTON_GPIO   GPIO_NUM_NC
 #define VOLUME_DOWN_BUTTON_GPIO GPIO_NUM_NC
 
-#define CAMERA_PIN_PWDN    (-1)
-#define CAMERA_PIN_RESET   (-1)
-
-#define CAMERA_PIN_VSYNC   (10)
-#define CAMERA_PIN_HREF    (14)
-#define CAMERA_PIN_PCLK    (40)
-#define CAMERA_PIN_XCLK    (21)
-
-#define CAMERA_PIN_SIOD    (12)
-#define CAMERA_PIN_SIOC    ( 9)
-
-#define CAMERA_PIN_D0      ( 3)
-#define CAMERA_PIN_D1      (42)
-#define CAMERA_PIN_D2      (46)
-#define CAMERA_PIN_D3      (48)
-#define CAMERA_PIN_D4      ( 4)
-#define CAMERA_PIN_D5      (17)
-#define CAMERA_PIN_D6      (11)
-#define CAMERA_PIN_D7      (13)
 
+#define CAMERA_PIN_PWDN    GPIO_NUM_NC
+#define CAMERA_PIN_RESET   GPIO_NUM_NC
+#define CAMERA_PIN_VSYNC   GPIO_NUM_10
+#define CAMERA_PIN_HREF    GPIO_NUM_14
+#define CAMERA_PIN_PCLK    GPIO_NUM_40
+#define CAMERA_PIN_XCLK    GPIO_NUM_21
+#define CAMERA_PIN_SIOD    GPIO_NUM_12
+#define CAMERA_PIN_SIOC    GPIO_NUM_9
+#define CAMERA_PIN_D0      GPIO_NUM_3
+#define CAMERA_PIN_D1      GPIO_NUM_42
+#define CAMERA_PIN_D2      GPIO_NUM_46
+#define CAMERA_PIN_D3      GPIO_NUM_48
+#define CAMERA_PIN_D4      GPIO_NUM_4
+#define CAMERA_PIN_D5      GPIO_NUM_17
+#define CAMERA_PIN_D6      GPIO_NUM_11
+#define CAMERA_PIN_D7      GPIO_NUM_13
 #define CAMERA_XCLK_FREQ   (20000000)
+#define XCLK_FREQ_HZ CAMERA_XCLK_FREQ
 
 
 #endif // _BOARD_CONFIG_H_