新增 DebugSerialPort 支持，CommonCenter、CanMv 和 DfPlayer 改用智能指针

Core/App/Common/df_player.hpp

@@ -1,16 +1,15 @@
 #pragma once
 
 #include <cstdint>
+#include <memory>
 
 #include "../Common/serial_port.hpp"
 
 class DfPlayer {
 public:
-    explicit DfPlayer(UART_HandleTypeDef* uart) : serialPort(new SerialPort(uart, kLength, kTimeout)) {}
+    explicit DfPlayer(UART_HandleTypeDef* uart) : serialPort(std::make_unique<SerialPort>(uart, kLength, kTimeout)) {}
 
-    ~DfPlayer() {
-        delete serialPort;
-    }
+    ~DfPlayer() = default;
 
     void Play();
     void Stop();
@@ -52,7 +51,7 @@ private:
 
     static constexpr uint32_t kLength  = 128;
     static constexpr uint32_t kTimeout = 10;
-    SerialPort* serialPort;
+    std::unique_ptr<SerialPort> serialPort;
 
     void SendCommand(Command cmd, uint16_t param = 0);