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

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <unistd.h>
   4 #include <stdint.h>
   5
   6 #include "scope.h"
   7 #include "usbtmc.h"
   8
   9 /* Just USB for now... */
  10 int sendscpi(struct scope* sc, char* cmd, unsigned char *resp, int resplen)
  11 {
  12         return usbtmc_sendscpi(sc, cmd, resp, resplen);
  13 }
  14
  15 void closescope(struct scope* sc)
  16 {
  17         return usbtmc_close(sc);
  18 }
  19
  20 void claimscope(struct scope* sc)
  21 {
  22         return usbtmc_claim(sc);
  23 }
  24
  25 void releasescope(struct scope* sc)
  26 {
  27         /* Disable keylock, so the user doesn't have to press the 'force'-button */
  28         sendscpi(sc, ":KEY:LOCK DISABLE",NULL,0);
  29         return usbtmc_release(sc);
  30 }
  31
  32 void resetscope(struct scope* sc)
  33 {
  34         return usbtmc_reset(sc);
  35 }
  36
  37 struct scope* initscope(void)
  38 {
  39         struct scope *sc;
  40
  41         sc = usbtmc_initscope();
  42
  43         if (!sc) {
  44                 printf("No scope found.\n");
  45                 exit(EXIT_FAILURE);
  46         }
  47
  48         claimscope(sc);
  49         sendscpi(sc, "*IDN?", (unsigned char*)sc->idn, sizeof(sc->idn));
  50         releasescope(sc);
  51
  52         printf("Scope found (%s)\n", sc->idn);
  53
  54         return sc;
  55 }
  56
  57 char *scope_idn(struct scope *sc)
  58 {
  59         return sc->idn;
  60 }