usb-firewall-fork/Downstream/Src/usb_host.c

/**
 ******************************************************************************
  * @file            : USB_HOST
  * @version         : v1.0_Cube
  * @brief           :  This file implements the USB Host 
  ******************************************************************************
  * COPYRIGHT(c) 2015 STMicroelectronics
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  * 1. Redistributions of source code must retain the above copyright notice,
  * this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright notice,
  * this list of conditions and the following disclaimer in the documentation
  * and/or other materials provided with the distribution.
  * 3. Neither the name of STMicroelectronics nor the names of its contributors
  * may be used to endorse or promote products derived from this software
  * without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
*/

/* Includes ------------------------------------------------------------------*/

#include "usb_host.h"
#include "usbh_core.h"
#include "usbh_msc.h"

/* USB Host Core handle declaration */
USBH_HandleTypeDef hUsbHostFS;
ApplicationTypeDef App_state = APPLICATION_IDLE;



/*
* user callback declaration
*/ 
static void USBH_UserProcess  (USBH_HandleTypeDef *phost, uint8_t id);



/* init function */				        
void USB_Host_Init(void)
{
  /* Init Host Library,Add Supported Class and Start the library*/
  USBH_Init(&hUsbHostFS, USBH_UserProcess, HOST_FS);

  USBH_RegisterClass(&hUsbHostFS, USBH_MSC_CLASS);

  USBH_Start(&hUsbHostFS);
}

/*
 * Background task
*/ 
void USB_Host_Process()
{
  /* USB Host Background task */
    USBH_Process(&hUsbHostFS); 						
}

/*
 * user callback definition
*/ 
static void USBH_UserProcess  (USBH_HandleTypeDef *phost, uint8_t id)
{

  switch(id)
  { 
  case HOST_USER_SELECT_CONFIGURATION:
	  //usbh_core.c only stored the first configuration returned by the device,
	  //so we don't really have a choice of configurations at this point!
  break;
    
  case HOST_USER_DISCONNECTION:
  App_state = APPLICATION_DISCONNECT;
  break;
    
  case HOST_USER_CLASS_ACTIVE:
  App_state = APPLICATION_READY;
  break;

  case HOST_USER_CONNECTION:
  App_state = APPLICATION_START;
  break;

  default:
  break; 
  }
}

/**
  * @}
  */

/**
  * @}
  */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/