c语言串口windowsapi,c调用Windows API串口通信解决办法

C/C++ code#include

#include

int main(void)

{

int i,w;

char readBuffer[100];

char lpOutBuffer[6]={0x23,0x30,0x31,0x30,0x0d,0x0a};\\向串口发出的命令 输入#010---->返回(>+03.267)

DWORD dwBytesWrite=100;

COMSTAT ComStat;

DWORD dwErrorFlags;

TCHAR str[100];

DWORD nWantRead=100;

DWORD nReadRead;

//LPOVERLAPPED m_OverlappedRead;

int s;

DWORD i_size=1024;

DWORD o_size=1024;

HANDLE hCom=CreateFile("COM1",GENERIC_READ | GENERIC_WRITE,0,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);

if(hCom == INVALID_HANDLE_VALUE)

{

MessageBox(NULL,"打开串口失败！！","OK",MB_OK);

}

MessageBox(NULL,"打开串口成功！！","连接7017",MB_OK);

if(!SetupComm(hCom,1024,1024))