comctrl.h

比较经典的串口开发原码

//the two function are for converting string to hex
	char ConvertHexChar(char ch);
	int String2Hex(CString str, CByteArray &senddata);
	DWORD CheckSum(DWORD array[] , int start , int end);
//require data from OCM
//	UINT SendGetData(LPVOID pParam);
	UINT InsertDB(LPVOID pParam);
	UINT SendToOCM(LPVOID pParam);