Epson E02 manual Direct Printing by PORT9100, For Windows Console

UB-E02 Technical Reference Guide

4.2 Direct Printing by PORT9100

4.2.1 For Windows Console

The program is a sample of printing “EPSON UB-E02” to a TM printer with the UB-E02 from the Windows shell, through the ethernet connection.

/* TCP9100 programming sample for win32

*HOW TO BUILD

*cl wtcp.cpp wsock32.lib

*/

#include <stdio.h> #include <winsock.h>

int main(int argc, char* argv[])

{

WSADATA data; SOCKET sock; struct linger Linger; struct sockaddr_in addr;

if (argc != 2) {

printf("usage: wtcp <IP address>\n"); exit(1);

}

/* Initialize windows socket */ WSAStartup(0x0101, &data);

/* Create socket */

if ((sock = socket(AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) { fprintf(stderr, "Error socket(): %d\n", WSAGetLastError());

exit(1);

}

/* Set connection timeout */ Linger.l_onoff = 1; Linger.l_linger = 60;

setsockopt(sock, SOL_SOCKET, SO_LINGER, (char*)&Linger, sizeof(struct linger));

/* initialize the parameter */ memset(&addr, 0, sizeof(addr)); addr.sin_family = AF_INET; addr.sin_port = htons(9100); addr.sin_addr.s_addr = inet_addr(argv[1]);

/* connect */

if (connect(sock, (struct sockaddr*)&addr, sizeof(addr)) < 0) { fprintf(stderr, "Error connect(): %d\n", WSAGetLastError()); exit(1);

}

printf("connected\n");

Rev. A 4-3Programming Samples