UB-E02 Technical Reference Guide
4.7.8.2 For Linux
/* UDP3289 programming sample for LINUX
*HOW TO BUILD
*cc ludp.c
*/
#include <stdio.h> #include <netdb.h>
#define MAXBUF 512 char buf[MAXBUF];
int main(int argc, char* argv[])
{
int sock;
struct sockaddr_in addr; int i, len;
socklen_t fromlen;
if (argc != 2) {
printf("usage: udp3289 IP_ADDRESS\n"); exit(1);
}
/* create sockets */
sock = socket(AF_INET, SOCK_DGRAM, 0); if (sock < 0) {
perror("socket()");
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 buf[11] = 0x00;
buf[12] = 0x00; // parameter length Length
Rev. A |
|
