void host_mass_storage_task(void)
#endif
{
  uint8_t i;
  uint8_t max_lun;
  uint32_t capacity;
  extern volatile uint8_t device_state;
  uint32_t total_capacity;
  uint8_t status = CTRL_GOOD;

#ifdef FREERTOS_USED
  portTickType xLastWakeTime;

  xLastWakeTime = xTaskGetTickCount();
  while (true)
  {
    vTaskDelayUntil(&xLastWakeTime, configTSK_USB_HMS_PERIOD);

#endif  // FREERTOS_USED
    // First, check the host controller is in full operating mode with the
    // B-device attached and enumerated
    if (Is_host_ready())
    {
      // New device connection (executed only once after device connection)
      if (ms_new_device_connected)
      {
        // For all supported interfaces
        for (i = 0; i < Get_nb_supported_interface(); i++)
        {
          // If mass-storage class
          if (Get_class(i) == MS_CLASS)
          {
            total_capacity = 0;

            // Get correct physical pipes associated with IN/OUT endpoints
            if (Is_ep_in(i, 0))
            { // Yes, associate it with the IN pipe
              g_pipe_ms_in = Get_ep_pipe(i, 0);
              g_pipe_ms_out = Get_ep_pipe(i, 1);
            }
            else
            { // No, invert...
              g_pipe_ms_in = Get_ep_pipe(i, 1);
              g_pipe_ms_out = Get_ep_pipe(i, 0);
            }

            ms_new_device_connected = false;
            ms_connected = true;

            // Get the number of LUNs in the connected mass-storage device
            max_lun = host_get_lun();

            // Initialize all USB drives
            for (host_selected_lun = 0; host_selected_lun < max_lun; host_selected_lun++)
            {
              uint32_t retry;
              if ((status = host_ms_inquiry()) != CTRL_GOOD)
                break;
              if ((status = host_ms_request_sense()) != CTRL_GOOD)
                break;
              for (retry = 0; retry < 3; retry++)
              {
                if ((status = host_test_unit_ready(host_selected_lun)) == CTRL_GOOD)
                {
                  if ((status = host_read_capacity(host_selected_lun, &capacity)) == CTRL_GOOD)
                    total_capacity += capacity;
                  break;
                }
              }
            }
            // If busy then restart
            if (status == CTRL_BUSY || status == CTRL_NO_PRESENT)
            {
              ms_connected = false;
              ms_new_device_connected = true;
              return;
            }
            // If failed then report device not supported
            if (status == CTRL_FAIL)
            {
              device_state = DEVICE_ERROR;
              Host_device_class_not_supported_action();
              ms_connected = false;
              return;
            }

#ifdef AI_MAXIMAL_CAPACITY_SUPPORTED_MB
            if (total_capacity > (AI_MAXIMAL_CAPACITY_SUPPORTED_MB*2*1024))
            {
              device_state = DEVICE_ERROR;
              Host_device_class_not_supported_action();
              ms_connected = false;
              return;
            }
#endif

            LOG_STR(log_ms_dev_connected);

            // Notify the Audio Interface of the new connection
            ai_usb_ms_new_connection();
            break;
          }
        }
      }
    }
#ifdef FREERTOS_USED
  }
#endif
}
Exemplo n.º 2
0
void host_keyboard_hid_task(void)
#endif
{
  uint8_t i;
  uint8_t max_lun;
  uint32_t capacity;

#ifdef FREERTOS_USED
  portTickType xLastWakeTime;

  xLastWakeTime = xTaskGetTickCount();
  while (true)
  {
    vTaskDelayUntil(&xLastWakeTime, configTSK_USB_HHID_KBD_PERIOD);

#endif  // FREERTOS_USED
    // First, check the host controller is in full operating mode with the
    // B-device attached and enumerated
    if (Is_host_ready())
    {
      // Display Start-of-Frame counter on LEDs
      LED_Display_Field(LED_MONO0_GREEN |
                        LED_MONO1_GREEN |
                        LED_MONO2_GREEN |
                        LED_MONO3_GREEN,
                        sof_cnt >> 5);

      // New device connection (executed only once after device connection)
      if (ms_new_device_connected)
      {
        ms_new_device_connected = false;

        // For all supported interfaces
        for (i = 0; i < Get_nb_supported_interface(); i++)
        {
          // If mass-storage class
          if (Get_class(i) == MS_CLASS)
          {
            ms_connected = true;
            LOG_STR(log_ms_dev_connected);

            // Get correct physical pipes associated with IN/OUT endpoints
            if (Is_ep_in(i, 0))
            { // Yes, associate it with the IN pipe
              g_pipe_ms_in = Get_ep_pipe(i, 0);
              g_pipe_ms_out = Get_ep_pipe(i, 1);
            }
            else
            { // No, invert...
              g_pipe_ms_in = Get_ep_pipe(i, 1);
              g_pipe_ms_out = Get_ep_pipe(i, 0);
            }

            // Get the number of LUNs in the connected mass-storage device
            max_lun = host_get_lun();

            // Initialize all USB drives
            for (host_selected_lun = 0; host_selected_lun < max_lun; host_selected_lun++)
            {
              host_ms_inquiry();
              host_read_capacity(host_selected_lun, &capacity);
              host_ms_request_sense();
              for (i = 0; i < 3; i++)
              {
                if (host_test_unit_ready(host_selected_lun) == CTRL_GOOD)
                {
                  host_read_capacity(host_selected_lun, &capacity);
                  break;
                }
              }
            }
            break;
          }
        }
      }
    }
#ifdef FREERTOS_USED
  }
#endif
}