我有一个陀螺仪（MPU6050）连接到我的Arduino UNO . 我编写了一个处理脚本来读取陀螺仪的串行数据（获取角度）并且工作正常 . 现在我想将它与C OpenCV项目集成 . 我使用这个教程类进行串行通信：http://playground.arduino.cc/Interfacing/CPPWindows
但是，串行通信非常慢，256个字符阵列在1.5秒内填充 . 多达170个字符/秒= 1.36 kbps .
所以问题是：如果串口快速处理，那么使用C会慢得多吗？有没有其他方法可以将陀螺仪数据读取到C？
这是我从网络摄像头捕获的每一帧之后触发的功能，以获取串行数据
int Serial::ReadandClose(char *buffer, unsigned int nbChar, const char* portName)
{
wchar_t wtext[20];
mbstowcs(wtext, portName, strlen(portName)+1);//Plus null
LPWSTR PortSpecifier = wtext;
DCB dcb;
int retVal;
BYTE Byte;
DWORD dwBytesTransferred;
DWORD dwCommModemStatus;
HANDLE hPort = CreateFile(
PortSpecifier,
GENERIC_READ,
0,
NULL,
OPEN_EXISTING,
0,
NULL
);
if (!GetCommState(hPort,&dcb))
return 0x100;
dcb.BaudRate = CBR_115200;
dcb.ByteSize = 8; //8 data bits
dcb.Parity = NOPARITY; //no parity
dcb.StopBits = ONESTOPBIT; //1 stop
if (!SetCommState(hPort,&dcb))
return 0x100;
SetCommMask (hPort, EV_RXCHAR | EV_ERR); //receive character event
WaitCommEvent (hPort, &dwCommModemStatus, 0); //wait for character
if (dwCommModemStatus & EV_RXCHAR)
{
clock_t begin =clock();
ReadFile (hPort, buffer, 256, &dwBytesTransferred, 0);
clock_t end = clock();
double elapsed_secs = double(end-begin) / CLOCKS_PER_SEC;
cout<<elapsed_secs<<endl;
}
else if (dwCommModemStatus & EV_ERR)
retVal = 0x101;
CloseHandle(hPort);
return dwBytesTransferred;
}