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123 lines
4.8 KiB
C
123 lines
4.8 KiB
C
/******************** (C) COPYRIGHT 2006 STMicroelectronics ********************
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* File Name : 75x_cfg.c
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* Author : MCD Application Team
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* Date First Issued : 03/10/2006
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* Description : This file provides all the CFG software functions.
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********************************************************************************
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* History:
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* 07/17/2006 : V1.0
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* 03/10/2006 : V0.1
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********************************************************************************
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* THE PRESENT SOFTWARE 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 SOFTWARE 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 "75x_cfg.h"
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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#define CFG_SWBOOT_Mask 0xFFFFFFFC
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#define CFG_FLASHBusy_Mask 0x00000080
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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/* Private functions ---------------------------------------------------------*/
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/*******************************************************************************
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* Function Name : CFG_BootSpaceConfig
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* Description : Selects which memory space will be remapped at address 0x00.
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* Input : - CFG_BootSpace: specifies the memory space to be remapped
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* at address 0x00.
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* This parameter can be one of the following values:
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* - CFG_BootSpace_FLASH
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* - CFG_BootSpace_SRAM
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* - CFG_BootSpace_ExtSMI
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* Output : None
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* Return : None
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*******************************************************************************/
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void CFG_BootSpaceConfig(u32 CFG_BootSpace)
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{
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u32 Temp = 0;
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/* Clear SW_BOOT[1:0] bits */
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Temp = CFG->GLCONF & CFG_SWBOOT_Mask;
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/* Set SW_BOOT[1:0] bits according to CFG_BootSpace parameter value */
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Temp |= CFG_BootSpace;
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/* Store the new value */
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CFG->GLCONF = Temp;
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}
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/*******************************************************************************
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* Function Name : CFG_FLASHBurstConfig
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* Description : Enables or disables the FLASH Burst mode.
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* Input : - CCFG_FLASHBurst: specifies the new state of the FLASH Burst
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* mode.
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* This parameter can be one of the following values:
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* - CFG_FLASHBurst_Disable
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* - CFG_FLASHBurst_Enable
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* Output : None
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* Return : None
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*******************************************************************************/
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void CFG_FLASHBurstConfig(u32 CFG_FLASHBurst)
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{
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if(CFG_FLASHBurst == CFG_FLASHBurst_Enable)
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{
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CFG->GLCONF |= CFG_FLASHBurst_Enable;
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}
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else
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{
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CFG->GLCONF &= CFG_FLASHBurst_Disable;
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}
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}
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/*******************************************************************************
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* Function Name : CFG_USBFilterConfig
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* Description : Enables or disables the USB Filter.
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* Input : - CFG_USBFilter: specifies the new state of the USB Filter.
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* This parameter can be one of the following values:
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* - CFG_USBFilter_Disable
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* - CFG_USBFilter_Enable
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* Output : None
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* Return : None
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*******************************************************************************/
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void CFG_USBFilterConfig(u32 CFG_USBFilter)
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{
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if(CFG_USBFilter == CFG_USBFilter_Enable)
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{
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CFG->GLCONF |= CFG_USBFilter_Enable;
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}
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else
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{
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CFG->GLCONF &= CFG_USBFilter_Disable;
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}
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}
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/*******************************************************************************
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* Function Name : CFG_GetFlagStatus
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* Description : Checks whether the FLASH Busy flag is set or not.
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* Input : None
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* Output : None
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* Return : The new state of FLASH Busy flag (SET or RESET).
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*******************************************************************************/
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FlagStatus CFG_GetFlagStatus(void)
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{
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if((CFG->GLCONF & CFG_FLASHBusy_Mask) != RESET)
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{
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return SET;
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}
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else
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{
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return RESET;
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}
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}
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/******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/
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