git.zerfleddert.de Git - rigol/blob - scope.c

   1 #include <usb.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <unistd.h>
   5 #include <stdint.h>
   6
   7 #include "scope.h"
   8 #include "usbtmc.h"
   9
  10 /* Just USB for now... */
  11 int sendscpi(struct scope* sc, char* cmd, unsigned char *resp, int resplen)
  12 {
  13         return usbtmc_sendscpi(sc, cmd, resp, resplen);
  14 }
  15
  16 void closescope(struct scope* sc)
  17 {
  18         return usbtmc_close(sc);
  19 }
  20
  21 void claimscope(struct scope* sc)
  22 {
  23         return usbtmc_claim(sc);
  24 }
  25
  26 void releasescope(struct scope* sc)
  27 {
  28         //Disable keylock, so the user doesn't have to press the 'force'-button
  29         sendscpi(sc, ":KEY:LOCK DISABLE",NULL,0);
  30         return usbtmc_release(sc);
  31 }
  32
  33 struct scope* initscope(void)
  34 {
  35         struct scope *sc;
  36
  37         sc = usbtmc_initscope();
  38
  39         if (!sc) {
  40                 printf("No scope found.\n");
  41                 exit(EXIT_FAILURE);
  42         }
  43
  44         claimscope(sc);
  45         sendscpi(sc, "*IDN?", (unsigned char*)sc->idn, sizeof(sc->idn));
  46         releasescope(sc);
  47
  48         printf("Scope found (%s)\n", sc->idn);
  49
  50         return sc;
  51 }
  52
  53 char *scope_idn(struct scope *sc)
  54 {
  55         return sc->idn;
  56 }