修正了每次ttl权限不足的问题

src/MindVisionMain.cpp

@@ -1,3 +1,4 @@
+#include <cstdlib>  
 #include <iostream>
 #include <string>
 #include <vector>
@@ -62,11 +63,28 @@ void set_camera_resolution(MindVisionCamera& camera, int width, int height) {
 }
 
 int main(int /*argc*/, char* /*argv*/[]) {
+    static int Numbe = 0;
     std::string target_color = "red";
     int cam_id = 0;
     cv::Size default_resolution(1280, 720);
     bool use_ttl = false; // Set to false to disable TTL communication
+    
 
+    if (Numbe == 0) {
+        // 执行 shell 命令（注意安全风险！）
+        int result = std::system("soude chmod 777 /dev/tty*");
+
+        // 可选：检查命令是否成功执行
+        if (result == -1) {
+            std::cerr << "Failed to execute system command.\n";
+        } else {
+            std::cout << "Permissions updated (if any tty devices exist).\n";
+        }
+
+        Numbe++;
+    }
+
+    return 0;
     // Define optional resolution list (adjust based on camera support)
     std::vector<cv::Size> resolutions = {
         cv::Size(320, 240),   // Low resolution, high frame rate
@@ -129,6 +147,7 @@ int main(int /*argc*/, char* /*argv*/[]) {
     try {
         while (true) {
             // 使用新的颜色过滤方法同时获取图像和原始掩码
+        
             cv::Mat raw_mask;
             if (!camera.read_frame_with_color_filter(frame, raw_mask, target_color)) {
                 std::cout << "Cannot read from MindVision camera, exiting!，HERERER" << std::endl;