Mitsubishi Electric MELSEC-L Series - Page 358

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int nErrorStatus; // Error information storage variable
int Dmykeyin; // Dummy key input
int Closeflag; // Connection completion flag
int socketno;
int main()
{
WORD wVersionRequested=MAKEWORD(1,1); // Winsock Ver 1.1 request
WSADATA wsaData;
int length; // Communication data length
unsigned char s_buf[BUF_SIZE]; // Send buffer
unsigned char r_buf[BUF_SIZE]; // Receive buffer
int rbuf_idx; // Receive data storage head index
int recv_size; // Number of receive data
struct sck_inf sc;
struct sockaddr_in hostdata; // External device side data
struct sockaddr_in aj71e71; // E71 side data
void Sockerror(int); // Error handling function
unsigned long ulCmdArg ; // Non-blocking mode setting flag
sc.my_addr.s_addr=htonl(INADDR_ANY); // External device side IP address
sc.my_port=htons(0); // External device side port number
sc.aj_addr.s_addr=inet_addr("192.0.1.253"); // E71 side IP address (C00001FDH)
sc.aj_port=htons(0x2000); // E71 side port number
Closeflag=FLAG_OFF; // Connection completion flag off
nErrorStatus=WSAStartup(wVersionRequested,&wsaData); // Winsock Initial processing
if(nErrorStatus!=SOCK_OK) {
Sockerror(ERROR_INITIAL); // Error handling
return(SOCK_NG);
}
printf("Winsock Version is %ld.%ld\n",HIBYTE(wsaData.wVersion), LOBYTE(wsaData.wVersion));
printf("AJ_test Start\n");
socketno=socket(AF_INET,SOCK_STREAM,0); // Create socket for TCP/IP
if(socketno==INVALID_SOCKET){
Sockerror(ERROR_SOCKET); // Error handling
return(SOCK_NG);
}