/*******************************************************************************
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* File Name : MCUFlash.c
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* Description :
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* Created on : 2018Äê5ÔÂ29ÈÕ
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* Author : HIDO
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*******************************************************************************/
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/*******************************************************************************
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* Include Files *
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*******************************************************************************/
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#include "MCUFlash.h"
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#include "stm32f1xx_hal.h"
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#include "string.h"
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/*******************************************************************************
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* Macro *
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*******************************************************************************/
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/*******************************************************************************
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* Type Definition *
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*******************************************************************************/
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/*******************************************************************************
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* Local Variable *
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*******************************************************************************/
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/*******************************************************************************
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* Local Function Declaration *
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*******************************************************************************/
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/*******************************************************************************
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* Local Function *
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*******************************************************************************/
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/*******************************************************************************
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* Global Function *
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*******************************************************************************/
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/*******************************************************************************
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* Function Name : MCUFlash_Init
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* Description :
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* Input :
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* Output :
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* Return :
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* Author : HIDO
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* Modified Date: : 2018Äê5ÔÂ29ÈÕ
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*******************************************************************************/
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HIDO_INT32 MCUFlash_Init(void)
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{
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HAL_FLASH_Unlock();
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__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_PGERR | FLASH_FLAG_WRPERR | FLASH_FLAG_OPTVERR);
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return HIDO_OK;
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}
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/*******************************************************************************
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* Function Name : MCUFlash_Erase
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* Description :
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* Input :
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* Output :
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* Return :
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* Author : HIDO
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* Modified Date: : 2018Äê5ÔÂ29ÈÕ
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*******************************************************************************/
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HIDO_INT32 MCUFlash_Erase(HIDO_UINT32 _u32EraseAddr, HIDO_UINT32 _u32EraseLen)
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{
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FLASH_EraseInitTypeDef stEraseInit;
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HIDO_UINT32 u32EraseError = 0;
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if(_u32EraseAddr < FLASH_BASE || _u32EraseAddr > FLASH_BANK1_END)
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{
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return HIDO_ERR;
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}
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if(_u32EraseLen < FLASH_PAGE_SIZE)
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{
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_u32EraseLen = FLASH_PAGE_SIZE;
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}
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stEraseInit.TypeErase = FLASH_TYPEERASE_PAGES;
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stEraseInit.Banks = FLASH_BANK_1;
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stEraseInit.PageAddress = _u32EraseAddr & (~(FLASH_PAGE_SIZE - 1));
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stEraseInit.NbPages = (_u32EraseLen / FLASH_PAGE_SIZE) + ((_u32EraseLen % FLASH_PAGE_SIZE) == 0 ? 0 : 1);
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if(HAL_FLASHEx_Erase(&stEraseInit, &u32EraseError) != HAL_OK)
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{
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return HIDO_ERR;
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}
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return HIDO_OK;
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}
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/*******************************************************************************
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* Function Name : MCUFlash_Write
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* Description :
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* Input :
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* Output :
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* Return :
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* Author : HIDO
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* Modified Date: : 2018Äê5ÔÂ29ÈÕ
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*******************************************************************************/
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HIDO_INT32 MCUFlash_Write(HIDO_UINT32 _u32WriteAddr, HIDO_UINT8 *_pu8WriteData, HIDO_UINT32 _u32WriteLen)
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{
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HIDO_UINT32 i = 0;
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HIDO_UINT32 u32TmpLen = 0;
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HIDO_UINT32 u32TmpValue = 0;
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while (_u32WriteLen != 0)
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{
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if (_u32WriteLen < 4)
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{
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u32TmpValue = 0xFFFFFFFF;
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for(i = 0; i < _u32WriteLen; i++)
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{
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((HIDO_UINT8 *)&u32TmpValue)[i] = _pu8WriteData[i];
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}
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u32TmpLen = _u32WriteLen;
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}
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else
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{
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u32TmpValue = *(HIDO_UINT32 *) _pu8WriteData;
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u32TmpLen = 4;
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}
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if (HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, _u32WriteAddr, u32TmpValue) != HAL_OK)
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{
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return HIDO_ERR;
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}
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_u32WriteAddr += u32TmpLen;
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_pu8WriteData += u32TmpLen;
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_u32WriteLen -= u32TmpLen;
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}
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return HIDO_OK;
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}
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/*******************************************************************************
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* Function Name : MCUFlash_Read
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* Description :
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* Input :
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* Output :
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* Return :
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* Author : HIDO
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* Modified Date: : 2018Äê5ÔÂ29ÈÕ
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*******************************************************************************/
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HIDO_INT32 MCUFlash_Read(HIDO_UINT8 *_pu8ReadData, HIDO_UINT32 _u32ReadAddr, HIDO_UINT32 _u32ReadLen)
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{
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memcpy(_pu8ReadData, (HIDO_VOID *)_u32ReadAddr, _u32ReadLen);
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return HIDO_OK;
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}
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