?? usb_endp.c
字號(hào):
/******************** (C) COPYRIGHT 2007 STMicroelectronics ********************
* File Name : usb_endp.c
* Author : MCD Application Team
* Version : V1.0
* Date : 10/08/2007
* Description : Endpoint routines
********************************************************************************
* THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
* CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/
/* Includes ------------------------------------------------------------------*/
#include "usb_lib.h"
#include "usb_istr.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
u8 Stream_Buff[24];
u16 In_Data_Offset;
/* Extern variables ----------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Extern function prototypes ------------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name : EP1_OUT_Callback
* Description : Endpoint 1 out callback routine.
* Input : None.
* Output : None.
* Return : None.
*******************************************************************************/
void EP1_OUT_Callback(void)
{
u16 Data_Len; /* data length*/
if (GetENDPOINT(ENDP1) & EP_DTOG_TX)
{
/*read from ENDP1_BUF0Addr buffer*/
Data_Len = GetEPDblBuf0Count(ENDP1);
PMAToUserBufferCopy(Stream_Buff, ENDP1_BUF0Addr, Data_Len);
}
else
{
/*read from ENDP1_BUF1Addr buffer*/
Data_Len = GetEPDblBuf1Count(ENDP1);
PMAToUserBufferCopy(Stream_Buff, ENDP1_BUF1Addr, Data_Len);
}
FreeUserBuffer(ENDP1, EP_DBUF_OUT);
In_Data_Offset += Data_Len;
}
/******************* (C) COPYRIGHT 2007 STMicroelectronics *****END OF FILE****/
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