# dumpeax.c

    #include "common.h"

    int main(int argc, char **argv)
    {
      njb_t njbs[NJB_MAX_DEVICES], *njb;
      extern char *optarg;
      int opt;
      int i, n, debug;
      njb_eax_t *eax;

      debug = 0;
      while ((opt = getopt(argc, argv, "D:")) != -1) {
        switch (opt) {
        case 'D':
          debug = atoi(optarg);
          break;
        default:
          fprintf(stderr, "usage: dumpeax [ -D debuglvl ]\n");
          return 1;
        }
      }

      if (debug)
        NJB_Set_Debug(debug);

      if (NJB_Discover(njbs, 0, &n) == -1) {
        fprintf(stderr, "could not locate any jukeboxes\n");
        exit(1);
      }

      if (n == 0) {
        fprintf(stderr, "no NJB devices found\n");
        return 0;
      }

      njb = njbs;

      if (NJB_Open(njb) == -1) {
        NJB_Error_Dump(njb, stderr);
        return 1;
      }

      if (NJB_Capture(njb) == -1) {
        NJB_Error_Dump(njb, stderr);
        return 1;
      }

      NJB_Reset_Get_EAX_Type (njb);

      while ((eax = NJB_Get_EAX_Type (njb)) != NULL) {
        printf("------------------------------------------\n");
        printf("Effect number: %04X\n", eax->number);
        printf("Effect name: %s\n", eax->name);
        printf("Effect group %d\n", eax->group);
        if (eax->exclusive != 0x00) {
          printf("Effect is exclusive\n");
        }
        if (eax->type == NJB_EAX_FIXED_OPTION_CONTROL) {
          printf("Effect has fixed options:\n");
          printf("    Current selection: %d\n", eax->current_value);
          for(i = 0; i < eax->max_value - eax->min_value + 1; i++) {
            printf("    %d. %s\n", eax->min_value+i, eax->option_names[i]);
          }
        }
        if (eax->type == NJB_EAX_SLIDER_CONTROL) {
          printf("Effect is a slider:\n");
          printf("    Current value: %d\n", eax->current_value);
          printf("    Min value: %d\n", eax->min_value);
          printf("    Max value %d\n", eax->max_value);
        }
        NJB_Destroy_EAX_Type (eax);
      }

      /* Dump any pending errors */
      NJB_Error_Dump(njb, stderr);

      NJB_Release(njb);

      NJB_Close(njb);
      return 0;
    }