Epson C32C824151 Technical Reference - Page 67
Programming Sample
UPC - 000054074415
View all Epson C32C824151 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 67 highlights
UB-E02 Technical Reference Guide 4.7.8 Programming Sample 4.7.8.1 For Windows Console /* UDP3289 programming sample for win32 * HOW TO BUILD * cc wudp.cpp wsock32.lib */ #include #include #define MAXBUF 512 char buf[MAXBUF]; int main(int argc, char* argv[]) { WSADATA data; SOCKET sock; struct sockaddr_in addr; int i, len, fromlen; if (argc != 2) { printf("usage: wudp \n"); exit(1); } /* initialize windows socket */ WSAStartup(0x0101, &data); /* Create socket */ if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == INVALID_SOCKET) { fprintf(stderr, "Error socket(): %d\n", WSAGetLastError()); exit(1); } /* initialize the parameter */ memset(&addr, 0, sizeof(addr)); addr.sin_family = AF_INET; addr.sin_port = htons(3289); addr.sin_addr.s_addr = inet_addr(argv[1]); /* make a packet (PRINTER STATUS) */ buf[0] = 'E'; buf[1] = 'P'; buf[2] = 'S'; buf[3] = 'O'; buf[4] = 'N'; buf[5] = 'Q'; // PacketType(Q) buf[6] = 0x03; // DeviceType(3) buf[7] = 0x00; // DeviceNumber(0) buf[8] = 0x00; // Function(0010h) buf[9] = 0x10; buf[10] = 0x00; // Result Rev. A 4-11 Programming Samples