64 lines
3.0 KiB
C
64 lines
3.0 KiB
C
/******************** (C) COPYRIGHT 2011 STMicroelectronics ********************
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* File Name : usb_init.c
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* Author : MCD Application Team
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* Version : V3.3.0
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* Date : 21-March-2011
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* Description : Initialization routines & global variables
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********************************************************************************
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* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
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* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
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* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
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* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
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* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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*******************************************************************************/
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/* Includes ------------------------------------------------------------------*/
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#include "usb_lib.h"
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* The number of current endpoint, it will be used to specify an endpoint */
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uint8_t EPindex;
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/* The number of current device, it is an index to the Device_Table */
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/* uint8_t Device_no; */
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/* Points to the DEVICE_INFO structure of current device */
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/* The purpose of this register is to speed up the execution */
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DEVICE_INFO *pInformation;
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/* Points to the DEVICE_PROP structure of current device */
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/* The purpose of this register is to speed up the execution */
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DEVICE_PROP *pProperty;
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/* Temporary save the state of Rx & Tx status. */
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/* Whenever the Rx or Tx state is changed, its value is saved */
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/* in this variable first and will be set to the EPRB or EPRA */
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/* at the end of interrupt process */
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uint16_t SaveState ;
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uint16_t wInterrupt_Mask;
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DEVICE_INFO Device_Info;
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USER_STANDARD_REQUESTS *pUser_Standard_Requests;
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/* Extern variables ----------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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/* Private functions ---------------------------------------------------------*/
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/*******************************************************************************
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* Function Name : USB_Init
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* Description : USB system initialization
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* Input : None.
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* Output : None.
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* Return : None.
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*******************************************************************************/
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void USB_Init(void)
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{
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pInformation = &Device_Info;
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pInformation->ControlState = 2;
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pProperty = &Device_Property;
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pUser_Standard_Requests = &User_Standard_Requests;
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/* Initialize devices one by one */
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pProperty->Init();
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}
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/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
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