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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 <allegro.h>
#include "parameters.h"
#include "gpib_functions.h"
#include "gpib/ib.h"
char falpha[1024];
unsigned char scope_raw_screenshot_data[4194304];
unsigned long scopeScreenWidth (char * scopeType) {
if (strcmp("HP54600OS", scopeType) == 0) {
return 512;
}
else if (strcmp("TDS744AOS", scopeType) == 0) {
return 640;
}
else {
return 1;
}
}
unsigned long scopeScreenHeight (char * scopeType) {
if (strcmp("HP54600OS", scopeType) == 0) {
return 280;
}
else if (strcmp("TDS744AOS", scopeType) == 0) {
return 480;
}
else {
return 1;
}
}
unsigned long scopeScreenSize (char * scopeType) {
if (strcmp("HP54600OS", scopeType) == 0) {
return scopeScreenWidth(scopeType)*scopeScreenHeight(scopeType)*3;
}
else if (strcmp("TDS744AOS", scopeType) == 0) {
return scopeScreenWidth(scopeType)*scopeScreenHeight(scopeType)*3;
}
else {
return 1;
}
}
int gpib_read_binblock(int ud, int max_num_bytes, char * scopeType)
{
unsigned char segarray[4194304];
long array_pointer;
long ai;
int x;
int y;
array_pointer = 0;
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Trying to read %i bytes from GPIB device...\n", max_num_bytes);
#endif
ibtmo(ud, T30s);
ibeos(ud, 0x0);
ai = gpib_read_array(ud, max_num_bytes, segarray);
if (ai == -1) {
return 1;
}
else {
if (strcmp("HP54600OS", scopeType) == 0) {
ai = 0;
for (x=0;x<scopeScreenWidth(scopeType);x++) {
for (y=0;y<scopeScreenHeight(scopeType);y++) {
if ((x & 0x7) == 0) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = (segarray[((x >> 3)+(y*(560/8)))+17] & 0x80) << 0;
if ((x & 0x7) == 1) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = (segarray[((x >> 3)+(y*(560/8)))+17] & 0x40) << 1;
if ((x & 0x7) == 2) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = (segarray[((x >> 3)+(y*(560/8)))+17] & 0x20) << 2;
if ((x & 0x7) == 3) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = (segarray[((x >> 3)+(y*(560/8)))+17] & 0x10) << 3;
if ((x & 0x7) == 4) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = (segarray[((x >> 3)+(y*(560/8)))+17] & 0x08) << 4;
if ((x & 0x7) == 5) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = (segarray[((x >> 3)+(y*(560/8)))+17] & 0x04) << 5;
if ((x & 0x7) == 6) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = (segarray[((x >> 3)+(y*(560/8)))+17] & 0x02) << 6;
if ((x & 0x7) == 7) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = (segarray[((x >> 3)+(y*(560/8)))+17] & 0x01) << 7;
if (scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] == 0x0) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = 255;
if (scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] == 0x80) scope_raw_screenshot_data[y+(x*scopeScreenHeight(scopeType))] = 0;
}
}
}
else {
return 2;
}
}
ibtmo(ud, T10s);
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Read %li bytes from GPIB device\n", array_pointer);
#endif
return 0;
}
int gpib_read_array(int ud, int max_num_bytes, unsigned 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;
}
int scope_get_screenshot_stage2(char * scopeType, int gpibDevice) {
long bytestosend;
int k;
int m;
if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0)) {
printf("[INFO] Getting scope screenshot [Stage 2]\n\r");
if (strcmp("HP54600OS", scopeType) == 0) {
if (gpib_read_binblock(gpibDevice, 19768, scopeType) == 0) {
return 0;
}
else {
return 1;
}
}
else if (strcmp("TDS744AOS", scopeType) == 0) {
gpib_read_binary(gpibDevice, scopeScreenSize(scopeType));
BITMAP *bmp;
PALETTE palette;
int bpp;
install_allegro(SYSTEM_AUTODETECT, &errno, atexit);
bmp = load_bmp("/tmp/current_scope_screenshot.bmp", palette);
if (!bmp) {
printf("[WARN] Unable to load screenshot bitmap\n\r");
return 1;
}
set_palette(palette);
bpp = bitmap_color_depth(bmp);
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Found BPP of %d\n\r", bpp);
#endif
bytestosend = 0;
for (m=0;m<scopeScreenWidth(scopeType);m++) {
for (k=0;k<scopeScreenHeight(scopeType);k++) {
scope_raw_screenshot_data[bytestosend] = getr_depth(bpp, getpixel(bmp, m, k));
bytestosend = bytestosend + 1;
scope_raw_screenshot_data[bytestosend] = getg_depth(bpp, getpixel(bmp, m, k));
bytestosend = bytestosend + 1;
scope_raw_screenshot_data[bytestosend] = getb_depth(bpp, getpixel(bmp, m, k));
bytestosend = bytestosend + 1;
}
}
destroy_bitmap(bmp);
return 0;
}
}
return 1;
}
int scope_get_screenshot(char * scopeType, int gpibDevice) {
if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0)) {
printf("[INFO] Getting scope screenshot [Stage 1]\n\r");
if (strcmp("HP54600OS", scopeType) == 0) {
sprintf(falpha,"PRINT?");
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Writing: %s\n\r", falpha);
#endif
if (gpib_write(gpibDevice, falpha) == 0) {
return 0;
}
else {
return 2;
}
}
else if (strcmp("TDS744AOS", scopeType) == 0) {
sprintf(falpha,"HARDCOPY:FORMAT BMPCOLOR");
if (gpib_write(gpibDevice, falpha) == 0) {
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Wrote: %s\n\r", falpha);
#endif
sprintf(falpha,"HARDCOPY:LAYOUT PORTRAIT");
if (gpib_write(gpibDevice, falpha) == 0) {
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Wrote: %s\n\r", falpha);
#endif
sprintf(falpha,"HARDCOPY:PALETTE HARDCOPY");
if (gpib_write(gpibDevice, falpha) == 0) {
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Wrote: %s\n\r", falpha);
#endif
sprintf(falpha,"HARDCOPY:PORT GPIB");
if (gpib_write(gpibDevice, falpha) == 0) {
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Wrote: %s\n\r", falpha);
#endif
sprintf(falpha,"HARDCOPY START");
if (gpib_write(gpibDevice, falpha) == 0) {
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Wrote: %s\n\r", falpha);
#endif
return 0;
}
}
}
}
}
}
}
return 1;
}
int scope_set_timebase(float desired_timebase, char * scopeType, int gpibDevice) {
if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0)) {
printf("[INFO] Setting scope timebase to %E\n\r", desired_timebase);
if (strcmp("HP54600OS", scopeType) == 0) {
sprintf(falpha,"TIM:RANG %E", desired_timebase);
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Writing: %s\n\r", falpha);
#endif
if (gpib_write(gpibDevice, falpha) == 0) {
return 0;
}
else {
return 2;
}
}
else if (strcmp("TDS744AOS", scopeType) == 0) {
sprintf(falpha,"HORIZONTAL:MAIN:SCALE %E", desired_timebase/10);
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Writing: %s\n\r", falpha);
#endif
if (gpib_write(gpibDevice, falpha) == 0) {
return 0;
}
else {
return 2;
}
}
}
else {
return 1;
}
}
int scope_set_volts_div(int desired_channel, float desired_volts, char * scopeType, int gpibDevice) {
if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0)) {
printf("[INFO] Setting scope volts/div on channel %d to %f\n\r", desired_channel, desired_volts/8);
if (strcmp("HP54600OS", scopeType) == 0) {
sprintf(falpha,"CHAN%d:RANG %E", desired_channel, desired_volts);
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Writing: %s\n\r", falpha);
#endif
if (gpib_write(gpibDevice, falpha) == 0) {
return 0;
}
else {
return 2;
}
}
else if (strcmp("TDS744AOS", scopeType) == 0) {
sprintf(falpha,"CH%d:SCALE %f", desired_channel, desired_volts/8);
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Writing: %s\n\r", falpha);
#endif
if (gpib_write(gpibDevice, falpha) == 0) {
return 0;
}
else {
return 2;
}
}
}
else {
return 1;
}
}
int scope_set_acquisition(int status, char * scopeType, int gpibDevice) {
if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0)) {
printf("[INFO] Setting scope run status to %d\n\r", status);
if (strcmp("HP54600OS", scopeType) == 0) {
if (status == 0) {
sprintf(falpha,"STOP");
}
else {
sprintf(falpha,"RUN");
}
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Writing: %s\n\r", falpha);
#endif
if (gpib_write(gpibDevice, falpha) == 0) {
return 0;
}
else {
return 2;
}
}
else if (strcmp("TDS744AOS", scopeType) == 0) {
sprintf(falpha,"ACQUIRE:STATE %d", status);
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Writing: %s\n\r", falpha);
#endif
if (gpib_write(gpibDevice, falpha) == 0) {
return 0;
}
else {
return 2;
}
}
}
else {
return 1;
}
}
int scope_set_channel_state(int desired_channel, int status, char * scopeType, int gpibDevice) {
if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0)) {
printf("[INFO] Setting channel %d state to %i\n\r", desired_channel, status);
if (strcmp("HP54600OS", scopeType) == 0) {
if (status == 0) {
sprintf(falpha,"BLAN CHAN%d", desired_channel);
}
else if (status == 1) {
sprintf(falpha,"VIEW CHAN%d", desired_channel);
}
else {
return 2;
}
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Writing: %s\n\r", falpha);
#endif
if (gpib_write(gpibDevice, falpha) == 0) {
return 0;
}
else {
return 2;
}
}
else if (strcmp("TDS744AOS", scopeType) == 0) {
if (status == 0) {
sprintf(falpha,"SELECT:CH%d OFF", desired_channel);
}
else if (status == 1) {
sprintf(falpha,"SELECT:CH%d ON", desired_channel);
}
else {
return 2;
}
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Writing: %s\n\r", falpha);
#endif
if (gpib_write(gpibDevice, falpha) == 0) {
return 0;
}
else {
return 2;
}
}
}
else {
return 1;
}
}
int scope_set_trigger_channel(int desired_channel, char * scopeType, int gpibDevice) {
if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0)) {
printf("[INFO] Setting scope trigger channel to %d\n\r", desired_channel);
if (strcmp("HP54600OS", scopeType) == 0) {
sprintf(falpha,"TRIG:SOUR CHAN%d", desired_channel);
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Writing: %s\n\r", falpha);
#endif
if (gpib_write(gpibDevice, falpha) == 0) {
return 0;
}
else {
return 2;
}
}
else if (strcmp("TDS744AOS", scopeType) == 0) {
sprintf(falpha,"TRIGGER:MAIN:EDGE:SOURCE CH%d", desired_channel);
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Writing: %s\n\r", falpha);
#endif
if (gpib_write(gpibDevice, falpha) == 0) {
return 0;
}
else {
return 2;
}
}
}
else {
return 1;
}
}
int scope_set_trigger_level(float desired_level, char * scopeType, int gpibDevice) {
if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0)) {
printf("[INFO] Setting scope trigger level to %f\n\r", desired_level);
if (strcmp("HP54600OS", scopeType) == 0) {
sprintf(falpha,"TRIG:LEV %E", desired_level);
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Writing: %s\n\r", falpha);
#endif
if (gpib_write(gpibDevice, falpha) == 0) {
return 0;
}
else {
return 2;
}
}
else if (strcmp("TDS744AOS", scopeType) == 0) {
sprintf(falpha,"TRIGGER:MAIN:LEVEL %f", desired_level);
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Writing: %s\n\r", falpha);
#endif
if (gpib_write(gpibDevice, falpha) == 0) {
return 0;
}
else {
return 2;
}
}
}
else {
return 1;
}
}
int scope_set_channel_position(int desired_channel, float desired_level, char * scopeType, int gpibDevice) {
if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0)) {
printf("[INFO] Setting scope channel %d level to %f\n\r", desired_channel, desired_level);
if (strcmp("HP54600OS", scopeType) == 0) {
sprintf(falpha,"CHAN%d:OFFS %E", desired_channel, desired_level);
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Writing: %s\n\r", falpha);
#endif
if (gpib_write(gpibDevice, falpha) == 0) {
return 0;
}
else {
return 2;
}
}
else if (strcmp("TDS744AOS", scopeType) == 0) {
sprintf(falpha,"CH%d:POSITION %f", desired_channel, desired_level);
#ifdef ENABLE_EXTRA_DEBUGGING
printf("[DEBG] Writing: %s\n\r", falpha);
#endif
if (gpib_write(gpibDevice, falpha) == 0) {
return 0;
}
else {
return 2;
}
}
}
else {
return 1;
}
}
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