(or alternately: use ohci_hcd) if that happens and you should be fine.
*/
-#include <usb.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <readline/readline.h>
#include <readline/history.h>
-#include "usbtmc.h"
-#include "png.h"
-
+#include "scope.h"
+#include "commands.h"
#define MIN(a,b) (((a)<(b))?(a):(b))
}
#endif
-
-void do_plot (struct usb_dev_handle *sc)
-{
- unsigned char ch1[1024], ch2[1024];
- int i, l;
-
- static FILE *gnuplot=NULL;
- FILE *fp;
-
- l = usbtmc_sendscpi(sc, ":WAV:DATA? CHANEL1", ch1, 1024);
-
- if (l != 1024) {
- printf ("hmm. didnt' get 1024 bytes. \n");
- }
-
- l = usbtmc_sendscpi(sc, ":WAV:DATA? CHANNEL2", ch2, 1024);
-
- if (l != 1024) {
- printf ("hmm. didnt' get 1024 bytes. \n");
- }
-
- if (!gnuplot) {
- gnuplot = popen ("gnuplot", "w");
- }
-
- fp = fopen ("temp.dat", "w");
- for (i=0xd4;i<0x32c;i++)
- //for (i=0;i<0x400;i++)
- fprintf (fp, "%d %d\n", 255 - ch1[i], 255 - ch2[i]);
- fclose (fp);
-
- fprintf (gnuplot, "plot 'temp.dat' using 1 with lines, 'temp.dat' using 2 with lines\n");
- fflush (gnuplot);
-}
-
-
-#define ERROR -1e100
-
-double get_float_from_scope (struct usb_dev_handle *sc, char *var)
-{
- unsigned char buf[1024];
- double temp;
- int l;
-
- l = usbtmc_sendscpi(sc, var, buf, 1024);
- if (l > 0) {
- sscanf ((char*)buf, "%lf", &temp);
- return temp;
- }
- return ERROR;
-}
-
-
-void do_get_buf (struct usb_dev_handle *sc)
-{
- FILE *fp;
- int i, j, l, bp;
- char buf[1024];
- unsigned char ch1[1024];
- unsigned char data[512*1024];
- double sampfreq;
-
- usbtmc_sendscpi (sc, ":STOP", NULL, 0);
-
- sampfreq = get_float_from_scope (sc, ":ACQ:SAMP?");
-
- printf ("Got sampling freq: %g\n", sampfreq);
-
- sprintf (buf, ":TIM:SCAL %.15f", 50 / sampfreq);
- printf ("sending scale cmd: %s\n", buf);
- usbtmc_sendscpi (sc, buf, NULL, 0);
-
- sleep (1);
-
- bp=0;
- for (i=-254*1024;i< 254*1024;i += 600) {
- sprintf (buf, ":TIM:OFFSET %.15f", i / sampfreq);
- printf ("Sending offset cmd: %s\n", buf);
- usbtmc_sendscpi (sc, buf, NULL, 0);
-
- l = usbtmc_sendscpi(sc, ":WAV:DATA? CHANEL1", ch1, 1024);
-
- if (l != 1024) {
- printf ("hmm. didnt' get 1024 bytes. \n");
- }
-
- for (j=0;j<600;j++)
- data[bp++] = ch1[j+0xd4];
- }
- printf ("Got %d bytes of data. \n", bp);
-
- fp = fopen ("ch1.dump", "w");
- fwrite (data, bp, 1, fp);
- fclose (fp);
-
- usbtmc_sendscpi (sc, ":TIM:OFFSET 0", NULL, 0);
-}
-
-void do_get_screen(struct usb_dev_handle *sc)
-{
- unsigned char screen[320*234];
- time_t lt;
- char filename[256];
- unsigned char *png;
- int imglen;
- int ret;
- int l;
- int fd;
- pid_t display;
-
- /* Hide "RMT" from screen */
- l = usbtmc_sendscpi(sc, ":KEY:LOCK DISABLE", NULL, 0);
- usleep(20000);
-
- l = usbtmc_sendscpi(sc, ":LCD:DATA?", screen, sizeof(screen));
-
- if (l != sizeof(screen)) {
- printf ("hmm. didnt' get %d bytes, but %d\n\n", sizeof(screen), l);
- }
-
- png = lcd2png(screen, &imglen);
-
- lt = time(NULL);
- strftime(filename, sizeof(filename), "screen_%Y%m%d-%H%M%S.png", localtime(<));
- fd=open(filename, O_CREAT|O_WRONLY, 0644);
- if (fd == -1) {
- perror("open");
- exit(EXIT_FAILURE);
- }
-
- while(imglen > 0) {
- ret = write(fd, png, imglen);
- if (ret == -1) {
- perror("write");
- exit(EXIT_FAILURE);
- }
- imglen -= ret;
- }
- close(fd);
- free(png);
-
- printf("Waveform saved as %s\n", filename);
-
- display = fork();
- switch(display) {
- case 0:
- execlp("display", "display", filename, NULL);
- exit(0);
- break;
- case -1:
- perror("fork");
- break;
- default:
- break;
- }
-}
-
void child_reaper(int sig)
{
pid_t child;
int main(int argc, char **argv)
{
- struct usb_dev_handle *sc;
+ struct scope *sc;
char *scpi;
unsigned char *buff;
int l;
struct sigaction act;
//Initialize scope
- sc = usbtmc_initscope();
+ sc = initscope();
+ claimscope(sc);
buff = malloc (1024*1024);
if (buff == NULL) {
perror("malloc");
continue;
}
if (strncmp (scpi, "databuf", 7) == 0) {
- do_get_buf (sc);
+ do_get_buf(sc);
continue;
}
if (strncmp (scpi, "screen", 6) == 0) {
- do_get_screen (sc);
+ do_get_screen(sc);
+ continue;
+ }
+ if (strncmp (scpi, "display", 7) == 0) {
+ do_display_screen(sc);
continue;
}
//printb (scpi, l+2);
if (strchr (scpi, '?')) {
//printf ("Expecting reply\n");
- l = usbtmc_sendscpi(sc, scpi, buff, 1024*1024);
+ l = sendscpi(sc, scpi, buff, 1024*1024);
//printf ("Got replylen = %d.\n", l);
buff[l] = 0; //zero-terminate
printb (buff, l);
} else {
//printf ("No reply expected\n");
- l=usbtmc_sendscpi(sc,scpi,NULL,0);
+ l=sendscpi(sc,scpi,NULL,0);
}
free (scpi);
}
- //Disable keylock, so the user doesn't have to press the 'force'-button
- l=usbtmc_sendscpi(sc, ":KEY:LOCK DISABLE",NULL,0);
-
- //Free up and exit
- usb_release_interface(sc,0);
- usb_close(sc);
+ releasescope(sc);
+ closescope(sc);
return 0;
}
projects / rigol / blobdiff