static int usbmsc_enumerate()

in system/usbmsc/usbmsc_main.c [201:389]

• 148 lines of code
• 41 McCabe index (conditional complexity)

static int usbmsc_enumerate(struct usbtrace_s *trace, void *arg)
{
  switch (trace->event)
    {
    case TRACE_DEVINIT:
      printf("USB controller initialization: %04x\n", trace->value);
      break;

    case TRACE_DEVUNINIT:
      printf("USB controller un-initialization: %04x\n", trace->value);
      break;

    case TRACE_DEVREGISTER:
      printf("usbdev_register(): %04x\n", trace->value);
      break;

    case TRACE_DEVUNREGISTER:
      printf("usbdev_unregister(): %04x\n", trace->value);
      break;

    case TRACE_EPCONFIGURE:
      printf("Endpoint configure(): %04x\n", trace->value);
      break;

    case TRACE_EPDISABLE:
      printf("Endpoint disable(): %04x\n", trace->value);
      break;

    case TRACE_EPALLOCREQ:
      printf("Endpoint allocreq(): %04x\n", trace->value);
      break;

    case TRACE_EPFREEREQ:
      printf("Endpoint freereq(): %04x\n", trace->value);
      break;

    case TRACE_EPALLOCBUFFER:
      printf("Endpoint allocbuffer(): %04x\n", trace->value);
      break;

    case TRACE_EPFREEBUFFER:
      printf("Endpoint freebuffer(): %04x\n", trace->value);
      break;

    case TRACE_EPSUBMIT:
      printf("Endpoint submit(): %04x\n", trace->value);
      break;

    case TRACE_EPCANCEL:
      printf("Endpoint cancel(): %04x\n", trace->value);
      break;

    case TRACE_EPSTALL:
      printf("Endpoint stall(true): %04x\n", trace->value);
      break;

    case TRACE_EPRESUME:
      printf("Endpoint stall(false): %04x\n", trace->value);
      break;

    case TRACE_DEVALLOCEP:
      printf("Device allocep(): %04x\n", trace->value);
      break;

    case TRACE_DEVFREEEP:
      printf("Device freeep(): %04x\n", trace->value);
      break;

    case TRACE_DEVGETFRAME:
      printf("Device getframe(): %04x\n", trace->value);
      break;

    case TRACE_DEVWAKEUP:
      printf("Device wakeup(): %04x\n", trace->value);
      break;

    case TRACE_DEVSELFPOWERED:
      printf("Device selfpowered(): %04x\n", trace->value);
      break;

    case TRACE_DEVPULLUP:
      printf("Device pullup(): %04x\n", trace->value);
      break;

    case TRACE_CLASSBIND:
      printf("Class bind(): %04x\n", trace->value);
      break;

    case TRACE_CLASSUNBIND:
      printf("Class unbind(): %04x\n", trace->value);
      break;

    case TRACE_CLASSDISCONNECT:
      printf("Class disconnect(): %04x\n", trace->value);
      break;

    case TRACE_CLASSSETUP:
      printf("Class setup(): %04x\n", trace->value);
      break;

    case TRACE_CLASSSUSPEND:
      printf("Class suspend(): %04x\n", trace->value);
      break;

    case TRACE_CLASSRESUME:
      printf("Class resume(): %04x\n", trace->value);
      break;

    case TRACE_CLASSRDCOMPLETE:
      printf("Class RD request complete: %04x\n", trace->value);
      break;

    case TRACE_CLASSWRCOMPLETE:
      printf("Class WR request complete: %04x\n", trace->value);
      break;

    default:
      switch (TRACE_ID(trace->event))
        {
        case TRACE_CLASSAPI_ID:        /* Other class driver system API calls */
          printf("Class API call %d: %04x\n",
                 TRACE_DATA(trace->event), trace->value);
          break;

        case TRACE_CLASSSTATE_ID:      /* Track class driver state changes */
          printf("Class state %d: %04x\n",
                 TRACE_DATA(trace->event), trace->value);
          break;

        case TRACE_INTENTRY_ID:        /* Interrupt handler entry */
          printf("Interrupt %d entry: %04x\n",
                 TRACE_DATA(trace->event), trace->value);
          break;

        case TRACE_INTDECODE_ID:       /* Decoded interrupt trace->event */
          printf("Interrupt decode %d: %04x\n",
                 TRACE_DATA(trace->event), trace->value);
          break;

        case TRACE_INTEXIT_ID:         /* Interrupt handler exit */
          printf("Interrupt %d exit: %04x\n",
                 TRACE_DATA(trace->event), trace->value);
          break;

        case TRACE_OUTREQQUEUED_ID:    /* Request queued for OUT endpoint */
          printf("EP%d OUT request queued: %04x\n",
                 TRACE_DATA(trace->event), trace->value);
          break;

        case TRACE_INREQQUEUED_ID:     /* Request queued for IN endpoint */
          printf("EP%d IN request queued: %04x\n",
                 TRACE_DATA(trace->event), trace->value);
          break;

        case TRACE_READ_ID:            /* Read (OUT) action */
          printf("EP%d OUT read: %04x\n",
                 TRACE_DATA(trace->event), trace->value);
          break;

        case TRACE_WRITE_ID:           /* Write (IN) action */
          printf("EP%d IN write: %04x\n",
                 TRACE_DATA(trace->event), trace->value);
          break;

        case TRACE_COMPLETE_ID:        /* Request completed */
          printf("EP%d request complete: %04x\n",
                 TRACE_DATA(trace->event), trace->value);
          break;

        case TRACE_DEVERROR_ID:        /* USB controller driver error event */
          printf("Controller error: %02x:%04x\n",
                 TRACE_DATA(trace->event), trace->value);
          break;

        case TRACE_CLSERROR_ID:        /* USB class driver error event */
          printf("Class error: %02x:%04x\n",
                 TRACE_DATA(trace->event), trace->value);
          break;

        default:
          printf("Unrecognized event: %02x:%02x:%04x\n",
                  TRACE_ID(trace->event) >> 8,
                  TRACE_DATA(trace->event), trace->value);
          break;
        }
    }

  return OK;
}