Subversion Repositories f9daq

/* vxi11_cmd.c
 * Copyright (C) 2006 Steve D. Sharples
 *
 * A simple interactive utility that allows you to send commands and queries to
 * a device enabled with the VXI11 RPC ethernet protocol. Uses the files
 * generated by rpcgen vxi11.x, and the vxi11_user.h user libraries.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * The author's email address is steve.sharples@nottingham.ac.uk
 */

#include "vxi11_user.h"
#define BUF_LEN 100000

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

static char     *device_ip;
static char     *device_name;
char            cmd[256];
char            buf[BUF_LEN];
int             ret;
long            bytes_returned;
CLINK           *clink;

        clink = new CLINK;

        if (argc < 2) {
                printf("usage: %s your.inst.ip.addr [device_name]\n",argv[0]);
                exit(1);
                }

        device_ip = argv[1];
        if (argc > 2) {
                device_name = argv[2];
                ret=vxi11_open_device(device_ip,clink,device_name);
                }
        else {
                ret=vxi11_open_device(device_ip,clink);
                }

        if (ret != 0) {
                printf("Error: could not open device %s, quitting\n",device_ip);
                exit(2);
                }

        while(1){
                memset(cmd, 0, 256);            // initialize command string
                memset(buf, 0, BUF_LEN);        // initialize buffer
                printf("Input command or query ('q' to exit): ");
                fgets(cmd,256,stdin);
                cmd[strlen(cmd)-1] = 0;         // just gets rid of the \n
                if (strncasecmp(cmd, "q",1) == 0) break;

                if (vxi11_send(clink, cmd) < 0) break;
                if (strstr(cmd, "?") != 0) {
                        bytes_returned = vxi11_receive(clink, buf, BUF_LEN);
                        if (bytes_returned > 0) {
                                printf("%s\n",buf);
                                }
                        else if (bytes_returned == -15) {
                                printf("*** [ NOTHING RECEIVED ] ***\n");
                                }
                        else    break;
                        }
                }

        ret=vxi11_close_device(device_ip,clink);
        return 0;
        }