1、修改串口虚类的读数据的原型； 2、添加使用startUML绘制的类图；

serialportbase.h

@@ -17,7 +17,7 @@ public:
     virtual int SetBaudrate(int baudrate) = 0;
     virtual int SendData1(const char *data, const unsigned int len) = 0;
     virtual int SendData(const char chrSendBuffer[],const unsigned short usLen) = 0;
-    virtual int ReadData() = 0;
+    virtual int ReadData(char * receivedData) = 0;
 protected:
 private:
 };

witmotiondll.cpp

@@ -168,7 +168,8 @@ int WitmotionDll::setAngleReference()
 
 void WitmotionDll::recordData()
 {
-    m_SerialPort->ReadData();
+    char * receivedData;
+    m_SerialPort->ReadData(receivedData);
 }
 
 int WitmotionDll::setTimeZone(TIMEZONE_ENUM timeZone)