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/*
* Remote Laboratory Instrumentation Server
*
* 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 3 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* (c) 2009 Timothy Pearson
* Raptor Engineering
* http://www.raptorengineeringinc.com
*/
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <getopt.h>
#include "gpib/ib.h"
char falpha[1024];
const char * scopeLongDescription (const char * scopeType) {
if (strcmp("HP54600OS", scopeType) == 0) {
return "Hewlett Packard 54600 series";
}
else if (strcmp("TDS744AOS", scopeType) == 0) {
return "Tektronix 744A series";
}
else {
return "UNKNOWN";
}
}
const char * commanalyzerLongDescription (const char * commanalyzerType) {
if (strcmp("HP8924C", commanalyzerType) == 0) {
return "Hewlett Packard 8924 series";
}
else {
return "UNKNOWN";
}
}
const char * companalyzerLongDescription (const char * companalyzerType) {
if (strcmp("HP4191A", companalyzerType) == 0) {
return "Hewlett Packard HP4191 series";
}
else {
return "UNKNOWN";
}
}
const char * funcgenLongDescription (const char * funcgenType) {
if (strcmp("AG33250A", funcgenType) == 0) {
return "Agilent AG33250A";
}
else {
return "UNKNOWN";
}
}
/* returns a device descriptor after prompting user for primary address */
int open_gpib_device(int minor, int pad) {
int ud;
const int sad = 0;
const int send_eoi = 1;
const int eos_mode = 0;
const int timeout = T1s;
printf("[INFO] Trying to open GPIB device %i on board /dev/gpib%i...\n\r", pad, minor);
ud = ibdev(minor, pad, sad, timeout, send_eoi, eos_mode);
if(ud < 0)
{
printf("[WARN] GPIB interface error\n\r");
return -1;
}
return ud;
}
int gpib_write(int ud, const char * buffer) {
if( ibwrt(ud, buffer, strlen(buffer)) & ERR )
{
return -1;
}
return 0;
}
int gpib_read_array(int ud, int max_num_bytes, char * segarray) {
int br;
ibrd(ud, segarray, max_num_bytes-1);
br = ThreadIbcntl();
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Number of bytes read from GPIB device: %li\n", br);
#endif
if ((ThreadIbsta() & ERR) && (br == 0)) {
return -1;
}
return br;
}
int gpib_read_binary(int ud, int max_num_bytes) {
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Trying to read %i bytes from GPIB device...\n", max_num_bytes);
#endif
//ibrd(ud, scope_raw_screenshot_data, max_num_bytes-1);
system("rm -f /tmp/current_scope_screenshot.bmp");
ibrdf(ud, "/tmp/current_scope_screenshot.bmp");
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Number of bytes read from GPIB device: %li\n", ThreadIbcntl());
#endif
if (ThreadIbsta() & ERR) {
return -1;
}
return 0;
}
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