569 lines
18 KiB
C
569 lines
18 KiB
C
/**
|
||
****************************************************************************************************
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* @file fm33lg0xx_fl_flash.c
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* @author FMSH Application Team
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* @brief Src file of FLASH FL Module
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****************************************************************************************************
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* @attention
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*
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* Copyright (c) [2021] [Fudan Microelectronics]
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* THIS SOFTWARE is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*
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****************************************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "fm33lg0xx_fl.h"
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/** @addtogroup FM33LG0XX_FL_Driver
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* @{
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*/
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/** @addtogroup FLASH
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* @{
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*/
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#ifdef FL_FLASH_DRIVER_ENABLED
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/* Private macros ------------------------------------------------------------*/
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/** @addtogroup GPIO_FL_Private_Macros
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* @{
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*/
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#define IS_FLASH_ALL_INSTANCE(INTENCE) (((INTENCE) == FLASH))
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#define IS_FL_FLASH_PAGE_NUM(__VALUE__) ((uint32_t)(__VALUE__) < FL_FLASH_MAX_PAGE_NUM)
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#define IS_FL_FLASH_SECTOR_NUM(__VALUE__) ((uint32_t)(__VALUE__) < FL_FLASH_MAX_SECTOR_NUM)
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#define IS_FL_FLASH_MAX_ADDR(__VALUE__) ((uint32_t)(__VALUE__) <= FL_FLASH_ADDR_MAXPROGRAM)
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#define IS_FL_FLASH_MAX_PAGE(__VALUE__) ((uint32_t)(__VALUE__) < FL_FLASH_MAX_PAGE_NUM)
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#define IS_FL_FLASH_MAX_SECTOR(__VALUE__) ((uint32_t)(__VALUE__) < FL_FLASH_MAX_SECTOR_NUM)
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/**
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* @}
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*/
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/* Exported functions --------------------------------------------------------*/
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/** @addtogroup FLASH_FL_EF_Init
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* @{
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*/
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/**
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* @brief Flash 页擦除函数，一个页为512byte.
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* @param FLASHx FLASH Port
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* @param address 为需要擦除的页内任意地址，推荐使用页开始的首地址（字对齐）
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* .
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* @retval ErrorStatus枚举值
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* -FL_FAIL 擦写发生错误
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* -FL_PASS 擦写成功
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*/
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FL_ErrorStatus FL_FLASH_PageErase(FLASH_Type *FLASHx, uint32_t address)
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{
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uint32_t timeout = 0;
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uint32_t primask;
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FL_ErrorStatus ret = FL_PASS;
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/* 入口参数检查 */
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assert_param(IS_FLASH_ALL_INSTANCE(FLASHx));
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assert_param(IS_FL_FLASH_MAX_ADDR((uint32_t)address));
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/*时钟使能*/
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FL_CMU_EnableGroup2BusClock(FL_CMU_GROUP2_BUSCLK_FLASH);
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if((address % FL_FLASH_ADDRS_ALIGN) != 0)
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{
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/*地址未对齐*/
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return FL_FAIL;
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}
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if(FL_FLASH_GetFlashLockStatus(FLASHx) == FL_FLASH_KEY_STATUS_ERROR)
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{
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/*Flash 已经锁定，复位前无法操作*/
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return FL_FAIL;
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}
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FL_CMU_EnableGroup3OperationClock(FL_CMU_GROUP3_OPCLK_FLASH);
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/*配置擦写类型*/
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FL_FLASH_SetFlashEraseType(FLASHx, FL_FLASH_ERASE_TYPE_PAGE);
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/* 开始擦除页*/
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FL_FLASH_EnableErase(FLASHx);
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/* Key 序列*/
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primask = __get_PRIMASK();
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__disable_irq();
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FL_FLASH_UnlockFlash(FLASHx, FL_FLASH_ERASE_KEY);
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FL_FLASH_UnlockFlash(FLASHx, FL_FLASH_PGAE_ERASE_KEY);
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__set_PRIMASK(primask);
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FL_FLASH_ClearFlag_EraseComplete(FLASHx);
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FL_FLASH_ClearFlag_ClockError(FLASHx);
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FL_FLASH_ClearFlag_AuthenticationError(FLASHx);
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/* 擦请求 */
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*((uint32_t *)address) = FL_FLASH_ERASE_REQUEST;
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while(1)
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{
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timeout++;
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if((timeout > FL_FLASH_ERASE_TIMEOUT)\
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|| (FL_FLASH_IsActiveFlag_ClockError(FLASHx))\
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|| (FL_FLASH_IsActiveFlag_KeyError(FLASHx))\
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|| (FL_FLASH_IsActiveFlag_AuthenticationError(FLASHx)))
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{
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/* 超时或出现错误 */
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ret = FL_FAIL;
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break;
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}
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else
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if(FL_FLASH_IsActiveFlag_EraseComplete(FLASHx))
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{
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/*编程成功*/
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FL_FLASH_ClearFlag_EraseComplete(FLASHx);
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ret = FL_PASS;
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break;
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}
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}
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FL_FLASH_LockFlash(FLASHx);
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FL_CMU_DisableGroup3OperationClock(FL_CMU_GROUP3_OPCLK_FLASH);
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FL_CMU_DisableGroup2BusClock(FL_CMU_GROUP2_BUSCLK_FLASH);
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return ret;
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}
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/**
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* @brief Flash 扇区擦除函数，一个扇区为2k byte.
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* @param FLASHx FLASH Port
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* @param address 为需要擦除的扇区内任意地址，推荐使用扇区开始的首地址（字对齐）
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* .
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* @retval ErrorStatus枚举值
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* -FL_FAIL 擦写发生错误
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* -FL_PASS 擦写成功
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*/
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FL_ErrorStatus FL_FLASH_SectorErase(FLASH_Type *FLASHx, uint32_t address)
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{
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uint32_t timeout = 0;
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uint32_t primask;
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FL_ErrorStatus ret = FL_PASS;
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/* 入口参数检查 */
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assert_param(IS_FLASH_ALL_INSTANCE(FLASHx));
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assert_param(IS_FL_FLASH_MAX_ADDR((uint32_t)address));
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/*时钟使能*/
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FL_CMU_EnableGroup2BusClock(FL_CMU_GROUP2_BUSCLK_FLASH);
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if((address % FL_FLASH_ADDRS_ALIGN) != 0)
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{
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/*地址未对齐*/
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return FL_FAIL;
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}
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if(FL_FLASH_GetFlashLockStatus(FLASHx) == FL_FLASH_KEY_STATUS_ERROR)
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{
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/*Flash 已经锁定，复位前无法操作*/
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return FL_FAIL;
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}
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FL_CMU_EnableGroup3OperationClock(FL_CMU_GROUP3_OPCLK_FLASH);
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/*配置擦写类型*/
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FL_FLASH_SetFlashEraseType(FLASHx, FL_FLASH_ERASE_TYPE_SECTOR);
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/* 开始擦除扇区*/
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FL_FLASH_EnableErase(FLASHx);
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/* Key 序列*/
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primask = __get_PRIMASK();
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__disable_irq();
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FL_FLASH_UnlockFlash(FLASHx, FL_FLASH_ERASE_KEY);
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FL_FLASH_UnlockFlash(FLASHx, FL_FLASH_SECTOR_ERASE_KEY);
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__set_PRIMASK(primask);
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FL_FLASH_ClearFlag_EraseComplete(FLASHx);
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FL_FLASH_ClearFlag_ClockError(FLASHx);
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FL_FLASH_ClearFlag_AuthenticationError(FLASHx);
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/* 擦请求 */
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*((uint32_t *)address) = FL_FLASH_ERASE_REQUEST;
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while(1)
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{
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timeout++;
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if((timeout > FL_FLASH_ERASE_TIMEOUT)\
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|| (FL_FLASH_IsActiveFlag_ClockError(FLASHx))\
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|| (FL_FLASH_IsActiveFlag_KeyError(FLASHx))\
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|| (FL_FLASH_IsActiveFlag_AuthenticationError(FLASHx)))
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{
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/* 超时或出现错误 */
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ret = FL_FAIL;
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break;
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}
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else
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if(FL_FLASH_IsActiveFlag_EraseComplete(FLASHx))
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{
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/*编程成功*/
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FL_FLASH_ClearFlag_EraseComplete(FLASHx);
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ret = FL_PASS;
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break;
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}
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}
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FL_FLASH_LockFlash(FLASHx);
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FL_CMU_DisableGroup3OperationClock(FL_CMU_GROUP3_OPCLK_FLASH);
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FL_CMU_DisableGroup2BusClock(FL_CMU_GROUP2_BUSCLK_FLASH);
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return ret;
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}
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/**
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* @brief 单次编程函数，编程地址必须对齐到Word边界.
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* @param FLASHx FLASH Port
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* @param address 为需要编程的已经擦除过的扇区内任意地址，非对齐地址编程将触发fault。
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*
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* @retval ErrorStatus枚举值
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* -FL_FAIL 擦写发生错误
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* -FL_PASS 擦写成功
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*/
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FL_ErrorStatus FL_FLASH_Program_Word(FLASH_Type *FLASHx, uint32_t address, uint32_t data)
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{
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uint32_t timeout = 0;
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uint32_t primask;
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FL_ErrorStatus ret = FL_PASS;
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/* 入口参数检查 */
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assert_param(IS_FLASH_ALL_INSTANCE(FLASHx));
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assert_param(IS_FL_FLASH_MAX_ADDR((uint32_t)address));
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/*时钟使能*/
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FL_CMU_EnableGroup2BusClock(FL_CMU_GROUP2_BUSCLK_FLASH);
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if((address % FL_FLASH_ADDRS_ALIGN) != 0)
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{
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/*地址未对齐*/
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return FL_FAIL;
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}
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if(FL_FLASH_GetFlashLockStatus(FLASHx) == FL_FLASH_KEY_STATUS_ERROR)
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{
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/*Flash 已经锁定，复位前无法操作*/
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return FL_FAIL;
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}
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FL_CMU_EnableGroup3OperationClock(FL_CMU_GROUP3_OPCLK_FLASH);
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/* 开始编程*/
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FL_FLASH_EnableProgram(FLASHx);
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/* Key 序列*/
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primask = __get_PRIMASK();
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__disable_irq();
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FL_FLASH_UnlockFlash(FLASHx, FL_FLASH_PROGRAM_KEY1);
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FL_FLASH_UnlockFlash(FLASHx, FL_FLASH_PROGRAM_KEY2);
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__set_PRIMASK(primask);
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FL_FLASH_ClearFlag_ClockError(FLASHx);
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FL_FLASH_ClearFlag_AuthenticationError(FLASHx);
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*((uint32_t *)address) = data;
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while(1)
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{
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timeout++;
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if((timeout > FL_FLASH_ERASE_TIMEOUT)\
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|| (FL_FLASH_IsActiveFlag_ClockError(FLASHx))\
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|| (FL_FLASH_IsActiveFlag_KeyError(FLASHx))\
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|| (FL_FLASH_IsActiveFlag_AuthenticationError(FLASHx)))
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{
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/* 超时或出现错误 */
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ret = FL_FAIL;
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break;
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}
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else
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if(FL_FLASH_IsActiveFlag_ProgramComplete(FLASHx))
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{
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/*编程成功*/
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FL_FLASH_ClearFlag_ProgramComplete(FLASHx);
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ret = FL_PASS;
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break;
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}
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}
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FL_FLASH_LockFlash(FLASHx);
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FL_CMU_DisableGroup3OperationClock(FL_CMU_GROUP3_OPCLK_FLASH);
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FL_CMU_DisableGroup2BusClock(FL_CMU_GROUP2_BUSCLK_FLASH);
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return ret;
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}
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/**
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* @brief 页编程函数，编程地址必须对齐到Page边界.
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* @param FLASHx FLASH Port
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* @param PageNum 为需要编程的已经擦除过的扇区号，FM33LG04最大为256，非对齐地址编程将触发fault。
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*
|
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* @retval ErrorStatus枚举值
|
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* -FL_FAIL 擦写发生错误
|
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* -FL_PASS 擦写成功
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*/
|
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FL_ErrorStatus FL_FLASH_Program_Page(FLASH_Type *FLASHx, uint32_t pageNum, uint32_t *data)
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{
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uint32_t count;
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uint32_t primask;
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uint32_t address;
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uint32_t timeout;
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FL_ErrorStatus ret = FL_PASS;
|
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/* 入口参数检查 */
|
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assert_param(IS_FLASH_ALL_INSTANCE(FLASHx));
|
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assert_param(IS_FL_FLASH_MAX_PAGE((uint32_t)pageNum));
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address = pageNum * FL_FLASH_PGAE_SIZE_BYTE;
|
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/* 页对齐*/
|
||
if((address % FL_FLASH_PGAE_SIZE_BYTE) != 0)
|
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{
|
||
/*地址未对齐*/
|
||
return FL_FAIL;
|
||
}
|
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FL_CMU_EnableGroup2BusClock(FL_CMU_GROUP2_BUSCLK_FLASH);
|
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FL_CMU_EnableGroup3OperationClock(FL_CMU_GROUP3_OPCLK_FLASH);
|
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FL_FLASH_EnableProgram(FLASHx);
|
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/* Key 序列*/
|
||
primask = __get_PRIMASK();
|
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__disable_irq();
|
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FL_FLASH_UnlockFlash(FLASHx, FL_FLASH_PROGRAM_KEY1);
|
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FL_FLASH_UnlockFlash(FLASHx, FL_FLASH_PROGRAM_KEY2);
|
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__set_PRIMASK(primask);
|
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FL_FLASH_ClearFlag_ClockError(FLASHx);
|
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FL_FLASH_ClearFlag_AuthenticationError(FLASHx);
|
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for(count = 0; count < FL_FLASH_PGAE_SIZE_BYTE; count += 4)
|
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{
|
||
timeout = 0;
|
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FL_FLASH_EnableProgram(FLASHx);
|
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*((uint32_t *)address) = *data;
|
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address += 4;
|
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data++;
|
||
while(1)
|
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{
|
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timeout++;
|
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if((timeout > FL_FLASH_ERASE_TIMEOUT)\
|
||
|| (FL_FLASH_IsActiveFlag_ClockError(FLASHx))\
|
||
|| (FL_FLASH_IsActiveFlag_KeyError(FLASHx))\
|
||
|| (FL_FLASH_IsActiveFlag_AuthenticationError(FLASHx)))
|
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{
|
||
/* 超时或出现错误 */
|
||
ret = FL_FAIL;
|
||
break;
|
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}
|
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if(FL_FLASH_IsActiveFlag_ProgramComplete(FLASHx))
|
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{
|
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/*编程成功*/
|
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FL_FLASH_ClearFlag_ProgramComplete(FLASHx);
|
||
ret = FL_PASS;
|
||
break;
|
||
}
|
||
}
|
||
if(ret == FL_FAIL)
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
FL_FLASH_LockFlash(FLASHx);
|
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FL_CMU_DisableGroup3OperationClock(FL_CMU_GROUP3_OPCLK_FLASH);
|
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FL_CMU_DisableGroup2BusClock(FL_CMU_GROUP2_BUSCLK_FLASH);
|
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return ret;
|
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}
|
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|
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/**
|
||
* @brief 扇区编程函数，编程地址必须对齐到Sector边界.
|
||
* @param FLASHx FLASH Port
|
||
* @param sectorNum 为需要编程的已经擦除过的扇区号，最大为128，非对齐地址编程将触发fault。
|
||
*
|
||
* @retval ErrorStatus枚举值
|
||
* -FL_FAIL 擦写发生错误
|
||
* -FL_PASS 擦写成功
|
||
*/
|
||
FL_ErrorStatus FL_FLASH_Program_Sector(FLASH_Type *FLASHx, uint32_t sectorNum, uint32_t *data)
|
||
{
|
||
uint32_t count;
|
||
uint32_t primask;
|
||
uint32_t address;
|
||
uint32_t timeout;
|
||
FL_ErrorStatus ret = FL_PASS;
|
||
/* 入口参数检查 */
|
||
assert_param(IS_FLASH_ALL_INSTANCE(FLASHx));
|
||
assert_param(IS_FL_FLASH_MAX_SECTOR((uint32_t)sectorNum));
|
||
address = sectorNum * FL_FLASH_SECTOR_SIZE_BYTE;
|
||
/* Sector对齐*/
|
||
if((address % FL_FLASH_SECTOR_SIZE_BYTE) != 0)
|
||
{
|
||
/*地址未对齐*/
|
||
return FL_FAIL;
|
||
}
|
||
FL_CMU_EnableGroup2BusClock(FL_CMU_GROUP2_BUSCLK_FLASH);
|
||
FL_CMU_EnableGroup3OperationClock(FL_CMU_GROUP3_OPCLK_FLASH);
|
||
FL_FLASH_EnableProgram(FLASHx);
|
||
/* Key 序列*/
|
||
primask = __get_PRIMASK();
|
||
__disable_irq();
|
||
FL_FLASH_UnlockFlash(FLASHx, FL_FLASH_PROGRAM_KEY1);
|
||
FL_FLASH_UnlockFlash(FLASHx, FL_FLASH_PROGRAM_KEY2);
|
||
__set_PRIMASK(primask);
|
||
FL_FLASH_ClearFlag_ClockError(FLASHx);
|
||
FL_FLASH_ClearFlag_AuthenticationError(FLASHx);
|
||
for(count = 0; count < FL_FLASH_SECTOR_SIZE_BYTE; count += 4)
|
||
{
|
||
timeout = 0;
|
||
FL_FLASH_EnableProgram(FLASHx);
|
||
*((uint32_t *)address) = *data;
|
||
address += 4;
|
||
data++;
|
||
while(1)
|
||
{
|
||
timeout++;
|
||
if((timeout > FL_FLASH_ERASE_TIMEOUT)\
|
||
|| (FL_FLASH_IsActiveFlag_ClockError(FLASHx))\
|
||
|| (FL_FLASH_IsActiveFlag_KeyError(FLASHx))\
|
||
|| (FL_FLASH_IsActiveFlag_AuthenticationError(FLASHx)))
|
||
{
|
||
/* 超时或出现错误 */
|
||
ret = FL_FAIL;
|
||
break;
|
||
}
|
||
if(FL_FLASH_IsActiveFlag_ProgramComplete(FLASHx))
|
||
{
|
||
/*编程成功*/
|
||
FL_FLASH_ClearFlag_ProgramComplete(FLASHx);
|
||
ret = FL_PASS;
|
||
break;
|
||
}
|
||
}
|
||
if(ret == FL_FAIL)
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
FL_FLASH_LockFlash(FLASHx);
|
||
FL_CMU_DisableGroup3OperationClock(FL_CMU_GROUP3_OPCLK_FLASH);
|
||
FL_CMU_DisableGroup2BusClock(FL_CMU_GROUP2_BUSCLK_FLASH);
|
||
return ret;
|
||
}
|
||
|
||
/**
|
||
* @brief DMA编程函数，编程地址必须对齐到half-page，长度固定为64字.
|
||
* @param FLASHx FLASH Port
|
||
* @param address 待编程Flash地址
|
||
* @param *data 待写入Flash数据
|
||
*
|
||
* @retval ErrorStatus枚举值
|
||
* -FL_FAIL 擦写发生错误
|
||
* -FL_PASS 擦写成功
|
||
*/
|
||
FL_ErrorStatus FL_FLASH_Write_Dma(FLASH_Type *FLASHx, uint32_t address, uint32_t *data)
|
||
{
|
||
FL_ErrorStatus ret = FL_PASS;
|
||
uint32_t primask;
|
||
uint32_t timeout;
|
||
FL_DMA_InitTypeDef DMA_InitStruct = {0};
|
||
/* 入口参数检查 */
|
||
assert_param(IS_FLASH_ALL_INSTANCE(FLASHx));
|
||
assert_param(IS_FL_FLASH_MAX_ADDR(address));
|
||
/* 半页对齐*/
|
||
if((address % (FL_FLASH_PGAE_SIZE_BYTE / 2)) != 0)
|
||
{
|
||
/*地址未对齐*/
|
||
return FL_FAIL;
|
||
}
|
||
FL_CMU_EnableGroup2BusClock(FL_CMU_GROUP2_BUSCLK_FLASH);
|
||
FL_CMU_EnableGroup3OperationClock(FL_CMU_GROUP3_OPCLK_FLASH);
|
||
FL_FLASH_EnableProgram(FLASHx);
|
||
/* Key 序列*/
|
||
primask = __get_PRIMASK();
|
||
__disable_irq();
|
||
FL_FLASH_UnlockFlash(FLASHx, FL_FLASH_PROGRAM_KEY1);
|
||
FL_FLASH_UnlockFlash(FLASHx, FL_FLASH_PROGRAM_KEY2);
|
||
__set_PRIMASK(primask);
|
||
FL_FLASH_EnableProgram(FLASHx);
|
||
DMA_InitStruct.circMode = FL_DISABLE;
|
||
DMA_InitStruct.direction = FL_DMA_DIR_RAM_TO_FLASH;
|
||
DMA_InitStruct.memoryAddressIncMode = FL_DMA_CH7_RAM_INC_MODE_INCREASE;
|
||
DMA_InitStruct.flashAddressIncMode = FL_DMA_CH7_FLASH_INC_MODE_INCREASE;
|
||
DMA_InitStruct.priority = FL_DMA_PRIORITY_HIGH;
|
||
FL_DMA_Init(DMA, &DMA_InitStruct, FL_DMA_CHANNEL_7);
|
||
/* Channel7 Flash 指针地址为（word 地址） */
|
||
FL_DMA_WriteFlashAddress(DMA, address >> 2);
|
||
/* Channel7 RAM 指针地址为（word 地址）*/
|
||
FL_DMA_WriteMemoryAddress(DMA, (uint32_t)data >> 2, FL_DMA_CHANNEL_7);
|
||
FL_DMA_WriteTransmissionSize(DMA, 64 - 1, FL_DMA_CHANNEL_7);
|
||
FL_DMA_ClearFlag_TransferComplete(DMA, FL_DMA_CHANNEL_7);
|
||
FL_DMA_EnableChannel(DMA, FL_DMA_CHANNEL_7);
|
||
timeout = 0;
|
||
while(1)
|
||
{
|
||
timeout++;
|
||
if(timeout > FL_FLASH_ERASE_TIMEOUT)
|
||
{
|
||
ret = FL_FAIL;
|
||
break;
|
||
}
|
||
if(FL_DMA_IsActiveFlag_TransferComplete(DMA, FL_DMA_CHANNEL_7) == FL_SET)
|
||
{
|
||
ret = FL_PASS;
|
||
break;
|
||
}
|
||
}
|
||
FL_FLASH_LockFlash(FLASHx);
|
||
FL_CMU_DisableGroup3OperationClock(FL_CMU_GROUP3_OPCLK_FLASH);
|
||
FL_CMU_DisableGroup2BusClock(FL_CMU_GROUP2_BUSCLK_FLASH);
|
||
return ret;
|
||
}
|
||
|
||
/**
|
||
* @brief DMA读取函数，编程地址必须对齐到Word边界.
|
||
* @param FLASHx FLASH Port
|
||
* @param address 读取数据Flash地址
|
||
* @param *data 读出数据存储区
|
||
* @param length 读出数据的字长度
|
||
*
|
||
* @retval ErrorStatus枚举值
|
||
* -FL_FAIL 擦写发生错误
|
||
* -FL_PASS 擦写成功
|
||
*/
|
||
FL_ErrorStatus FL_FLASH_Read_Dma(FLASH_Type *FLASHx, uint32_t address, uint32_t *data, uint16_t length)
|
||
{
|
||
FL_ErrorStatus ret = FL_PASS;
|
||
uint32_t Timeout;
|
||
FL_DMA_InitTypeDef DMA_InitStruct = {0};
|
||
/* 入口参数检查 */
|
||
assert_param(IS_FLASH_ALL_INSTANCE(FLASHx));
|
||
assert_param(IS_FL_FLASH_MAX_ADDR(address));
|
||
/* 字对齐*/
|
||
if((address % FL_FLASH_ADDRS_ALIGN) != 0)
|
||
{
|
||
/*地址未对齐*/
|
||
return FL_FAIL;
|
||
}
|
||
DMA_InitStruct.circMode = FL_DISABLE;
|
||
DMA_InitStruct.direction = FL_DMA_DIR_FLASH_TO_RAM;
|
||
DMA_InitStruct.memoryAddressIncMode = FL_DMA_CH7_RAM_INC_MODE_INCREASE;
|
||
DMA_InitStruct.flashAddressIncMode = FL_DMA_CH7_FLASH_INC_MODE_INCREASE;
|
||
DMA_InitStruct.priority = FL_DMA_PRIORITY_HIGH;
|
||
FL_DMA_Init(DMA, &DMA_InitStruct, FL_DMA_CHANNEL_7);
|
||
/* Channel7 Flash 指针地址为（word 地址） */
|
||
FL_DMA_WriteFlashAddress(DMA, address >> 2);
|
||
/* Channel7 RAM 指针地址为（word 地址）*/
|
||
FL_DMA_WriteMemoryAddress(DMA, (uint32_t)data >> 2, FL_DMA_CHANNEL_7);
|
||
FL_DMA_WriteTransmissionSize(DMA, length - 1, FL_DMA_CHANNEL_7);
|
||
FL_DMA_ClearFlag_TransferComplete(DMA, FL_DMA_CHANNEL_7);
|
||
FL_DMA_EnableChannel(DMA, FL_DMA_CHANNEL_7);
|
||
Timeout = 0;
|
||
while(1)
|
||
{
|
||
Timeout++;
|
||
if(Timeout > FL_FLASH_ERASE_TIMEOUT)
|
||
{
|
||
ret = FL_FAIL;
|
||
break;
|
||
}
|
||
if(FL_DMA_IsActiveFlag_TransferComplete(DMA, FL_DMA_CHANNEL_7) == FL_SET)
|
||
{
|
||
ret = FL_PASS;
|
||
break;
|
||
}
|
||
}
|
||
return ret;
|
||
}
|
||
|
||
/**
|
||
* @}
|
||
*/
|
||
|
||
#endif /* FL_FLASH_DRIVER_ENABLED */
|
||
|
||
/**
|
||
* @}
|
||
*/
|
||
|
||
/**
|
||
* @}
|
||
*/
|
||
|
||
/********************** (C) COPYRIGHT Fudan Microelectronics **** END OF FILE ***********************/
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|