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-/******************** (C) COPYRIGHT 2006 STMicroelectronics ********************
-* File Name : 91x_ahbapb.c
-* Author : MCD Application Team
-* Date First Issued : 05/18/2006 : Version 1.0
-* Description : This file provides all the AHBAPB software functions.
-********************************************************************************
-* History:
-* 05/24/2006 : Version 1.1
-* 05/18/2006 : Version 1.0
-********************************************************************************
-* 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 "91x_ahbapb.h"
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-/* Private function prototypes -----------------------------------------------*/
-/* Private functions ---------------------------------------------------------*/
-#define AHBAPB_SplitCounter_Mask 0xFFE0FFFF
-#define AHBAPB_SetTimeOut_Mask 0xFFFFFFE0
-#define AHBAPB_Address_Mask 0xFEFFFFFF
-#define AHBAPB_FLAG_RW_Mask 0x01000000
-/*******************************************************************************
-* Function Name : AHBAPB_DeInit
-* Description : Deinitializes the AHBAPBx peripheral registers to their default
-* reset values.
-* Input : AHBAPBx: where x can be 0 or 1 to select the AHBAPB peripheral.
-* Output : None
-* Return : None
-*******************************************************************************/
-void AHBAPB_DeInit(AHBAPB_TypeDef* AHBAPBx)
-{
- AHBAPBx->BCR = 0x00000000;
- AHBAPBx->BSR = 0x00000000;
-}
-/*******************************************************************************
-* Function Name : AHBAPB_Init
-* Description : Initializes the AHBAPBx peripheral according to the specified
-* parameters in the AHBAPB_InitStruct .
-* Input :- AHBAPBx: where x can be 0 or 1 to select the AHBAPB peripheral.
-* - AHBAPB_InitStruct: pointer to a AHBAPB_InitTypeDef structure that
-* contains the configuration information for the specified AHBAPB
-* peripheral.
-* Output : None
-* Return : None
-*******************************************************************************/
-void AHBAPB_Init(AHBAPB_TypeDef* AHBAPBx, AHBAPB_InitTypeDef* AHBAPB_InitStruct)
-{
-
- if(AHBAPB_InitStruct->AHBAPB_Split == AHBAPB_Split_Enable)
- {
- /* Set SPLITEN bit;*/
- AHBAPBx->BCR |= AHBAPB_Split_Enable;
- /*Split_CNT bits[20:16]*/
- AHBAPBx->BCR &= AHBAPB_SplitCounter_Mask;
- AHBAPBx->BCR |= (AHBAPB_InitStruct->AHBAPB_SplitCounter)<<16;
- }
- else
- {
- /*/ Clear SPLITEN bit;*/
- AHBAPBx->BCR &= AHBAPB_Split_Disable;
- }
- /*APB Time out*/
- if(AHBAPB_InitStruct->AHBAPB_Error == AHBAPB_Error_Enable)
- {
- /* Set ERREN bit*/
- AHBAPBx->BCR |= AHBAPB_Error_Enable;
- /*Time ouit counter*/
- AHBAPBx->BCR &= AHBAPB_SetTimeOut_Mask;
- AHBAPBx->BCR |= AHBAPB_InitStruct->AHBAPB_SetTimeOut;
- }
- else
- {
- /* Clear ERREN bit*/
- AHBAPBx->BCR &= AHBAPB_Error_Disable;
- }
-}
-
-/*******************************************************************************
-* Function Name : AHBAPB_StructInit
-* Description : Initialize the AHBAPB Init Structure parameters
-* Input : AHBAPB_InitStruct : pointer to a AHBAPB_InitTypeDef structure
-* which will be initialized.
-* Output : None
-* Return : None
-*******************************************************************************/
-void AHBAPB_StructInit(AHBAPB_InitTypeDef* AHBAPB_InitStruct)
-{
- /* Reset AHBAPB init structure parameters values */
- AHBAPB_InitStruct->AHBAPB_Split = AHBAPB_Split_Enable;
- AHBAPB_InitStruct->AHBAPB_SplitCounter = 0xFF;
- AHBAPB_InitStruct->AHBAPB_Error = AHBAPB_Error_Enable;
- AHBAPB_InitStruct->AHBAPB_SetTimeOut = 0xFF;
-
-}
-
-/*******************************************************************************
-* Function Name : AHBAPB_GetFlagStatus
-* Description : Checks whether the specified AHBAPB flag is set or not.
-* Input : - AHBAPB: where x can be 0 or 1 to select the AHBAPB peripheral
-* - AHBAPB_FLAG: specifies the flag to check.
-* This parameter can be one of the following values:
-* - AHBAPB_FLAG_ERROR: error flag
-* - AHBAPB_FLAG_OUTM : Out of Memory flag
-* - AHBAPB_FLAG_APBT : APB Time-out flag
-* - AHBAPB_FLAG_RW : Access type flag
-* Output : None
-* Return : The new state of AHBAPB_FLAG (SET or RESET).
-*******************************************************************************/
-FlagStatus AHBAPB_GetFlagStatus(AHBAPB_TypeDef* AHBAPBx, u8 AHBAPB_FLAG)
-{
- if(AHBAPB_FLAG == AHBAPB_FLAG_RW)
- {
- if ((AHBAPBx->PAER & AHBAPB_FLAG_RW_Mask) == RESET)
- {
- return RESET;
- }
- else
- {
- return SET;
- }
- }
- else
- {
- if ((AHBAPBx->BSR & AHBAPB_FLAG) == RESET)
- {
- return RESET;
- }
- else
- {
- return SET;
- }
- }
-}
-/*******************************************************************************
-* Function Name : AHBAPB_ClearFlag
-* Description : Clears the AHBAPBx flags.
-* Input : - AHBAPB: where x can be 0 or 1 to select the AHBAPB peripheral
-* - AHBAPB_FLAG: flags to clear. This parameter one of the
-* following values:
-* - AHBAPB_FLAG_ERROR: error flag
-* - AHBAPB_FLAG_OUTM : Out of Memory flag
-* - AHBAPB_FLAG_APBT : APB Time-out flag
-* Output : None
-* Return : None
-*******************************************************************************/
-void AHBAPB_ClearFlag(AHBAPB_TypeDef* AHBAPBx, u8 AHBAPB_FLAG)
-{
- /* Clear the flag */
- AHBAPBx->BSR &= AHBAPB_FLAG;
-}
-/*******************************************************************************
-* Function Name : AHBAPB_GetPeriphAddrError
-* Description : Gets the AHBAPB error address peripherals.
-* Input : - AHBAPB: where x can be 0 or 1 to select the AHBAPB peripheral
-* Output : None
-* Return : The Peropheral address error
-*******************************************************************************/
-u32 AHBAPB_GetPeriphAddrError(AHBAPB_TypeDef* AHBAPBx)
-{
- u32 AHBAPB_Address = 0x00000000;
-
- /*Return Oeripheral address without RW bit*/
- AHBAPB_Address = (AHBAPBx->PAER)& AHBAPB_Address_Mask;
- return (AHBAPB_Address);
-}
-/******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/
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