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-rw-r--r--core/usb/usb_lib/usb_mem.c73
1 files changed, 0 insertions, 73 deletions
diff --git a/core/usb/usb_lib/usb_mem.c b/core/usb/usb_lib/usb_mem.c
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index ee698c5..0000000
--- a/core/usb/usb_lib/usb_mem.c
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-/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
-* File Name : usb_mem.c
-* Author : MCD Application Team
-* Version : V2.2.1
-* Date : 09/22/2008
-* Description : Utility functions for memory transfers to/from PMA
-********************************************************************************
-* THE PRESENT FIRMWARE 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 FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
-* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
-*******************************************************************************/
-
-/* Includes ------------------------------------------------------------------*/
-#include "usb_lib.h"
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-/* Extern variables ----------------------------------------------------------*/
-/* Private function prototypes -----------------------------------------------*/
-/* Private functions ---------------------------------------------------------*/
-/*******************************************************************************
-* Function Name : UserToPMABufferCopy
-* Description : Copy a buffer from user memory area to packet memory area (PMA)
-* Input : - pbUsrBuf: pointer to user memory area.
-* - wPMABufAddr: address into PMA.
-* - wNBytes: no. of bytes to be copied.
-* Output : None.
-* Return : None .
-*******************************************************************************/
-void UserToPMABufferCopy(u8 *pbUsrBuf, u16 wPMABufAddr, u16 wNBytes)
-{
- u32 n = (wNBytes + 1) >> 1; /* n = (wNBytes + 1) / 2 */
- u32 i, temp1, temp2;
- u16 *pdwVal;
- pdwVal = (u16 *)(wPMABufAddr * 2 + PMAAddr);
- for (i = n; i != 0; i--)
- {
- temp1 = (u16) * pbUsrBuf;
- pbUsrBuf++;
- temp2 = temp1 | (u16) * pbUsrBuf << 8;
- *pdwVal++ = temp2;
- pdwVal++;
- pbUsrBuf++;
- }
-}
-/*******************************************************************************
-* Function Name : PMAToUserBufferCopy
-* Description : Copy a buffer from user memory area to packet memory area (PMA)
-* Input : - pbUsrBuf = pointer to user memory area.
-* - wPMABufAddr = address into PMA.
-* - wNBytes = no. of bytes to be copied.
-* Output : None.
-* Return : None.
-*******************************************************************************/
-void PMAToUserBufferCopy(u8 *pbUsrBuf, u16 wPMABufAddr, u16 wNBytes)
-{
- u32 n = (wNBytes + 1) >> 1;/* /2*/
- u32 i;
- u32 *pdwVal;
- pdwVal = (u32 *)(wPMABufAddr * 2 + PMAAddr);
- for (i = n; i != 0; i--)
- {
- *(u16*)pbUsrBuf++ = *pdwVal++;
- pbUsrBuf++;
- }
-}
-
-/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/