粘包问题已解决。

src/MindVisionMain.cpp

@@ -4,6 +4,7 @@
 #include <chrono>
 #include <thread>
 #include <memory>
+#include <unistd.h>
 
 #include <opencv2/opencv.hpp>
 
@@ -37,11 +38,12 @@ void output_control_data(const cv::Point2f* ballistic_point,
         else if (target_color == "blue") simplified_color = "b";
 
         // Construct send string
-        send_str << "s " << simplified_color << " " << std::to_string(ballistic_offset_x) << " " << std::to_string(ballistic_offset_y);
+        send_str << "s " << simplified_color << " " << std::to_string(ballistic_offset_x) << " " << std::to_string(ballistic_offset_y) << "\n";
 
         // Send data
         if (ttl_communicator != nullptr) {
             ttl_communicator->send_data(send_str.str());
+
         }else{
             std::cerr << "Error: TTLCommunicator is a null pointer!" << std::endl;
         }

src/TTLCommunicator.cpp

@@ -52,7 +52,7 @@ bool TTLCommunicator::send_data(const std::string& data) {
             std::cerr << "Error writing to serial port: " << strerror(errno) << std::endl;
             return false;
         } else {
-            std::cout << "Sent " << bytes_written << " bytes: " << data << std::endl;
+            std::cout << "Sent " << bytes_written << " bytes: " << data;
             fsync(serial_fd); // Ensure data is sent
             return true;
         }