/*******************************************************************************
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* File Name : MCUFlash.c
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* Description : STM32H743 Flash²Ù×÷Çý¶¯
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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 "stm32h7xx_hal.h"
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/*******************************************************************************
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* Macro *
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*******************************************************************************/
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/* STM32H743µÄFlashÏà¹ØÐÅÏ¢ - ÐÞÕýΪ2MB°æ±¾ */
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#define FLASH_BANK1_START 0x08000000U
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#define FLASH_BANK1_END 0x080FFFFFU
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#define FLASH_BANK2_START 0x08100000U
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#define FLASH_BANK2_END 0x081FFFFFU
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/* STM32H743 ÉÈÇø´óС¶¨Òå */
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#define FLASH_SECTOR_0_3_SIZE (128 * 1024) /* 128 KB */
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#define FLASH_SECTOR_4_7_SIZE (128 * 1024) /* 128 KB */
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#define FLASH_SECTOR_8_15_SIZE (128 * 1024) /* 128 KB */
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/* Bank 1 ÉÈÇø±ß½çµØÖ· */
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#define FLASH_SECTOR0_END (FLASH_BANK1_START + 0x1FFFF)
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#define FLASH_SECTOR1_END (FLASH_SECTOR0_END + 0x20000)
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#define FLASH_SECTOR2_END (FLASH_SECTOR1_END + 0x20000)
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#define FLASH_SECTOR3_END (FLASH_SECTOR2_END + 0x20000)
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#define FLASH_SECTOR4_END (FLASH_SECTOR3_END + 0x20000)
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#define FLASH_SECTOR5_END (FLASH_SECTOR4_END + 0x20000)
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#define FLASH_SECTOR6_END (FLASH_SECTOR5_END + 0x20000)
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#define FLASH_SECTOR7_END (FLASH_SECTOR6_END + 0x20000)
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/* Bank 2 ÉÈÇø±ß½çµØÖ· */
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#define FLASH_SECTOR8_END (FLASH_BANK2_START + 0x1FFFF)
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#define FLASH_SECTOR9_END (FLASH_SECTOR8_END + 0x20000)
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#define FLASH_SECTOR10_END (FLASH_SECTOR9_END + 0x20000)
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#define FLASH_SECTOR11_END (FLASH_SECTOR10_END + 0x20000)
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#define FLASH_SECTOR12_END (FLASH_SECTOR11_END + 0x20000)
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#define FLASH_SECTOR13_END (FLASH_SECTOR12_END + 0x20000)
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#define FLASH_SECTOR14_END (FLASH_SECTOR13_END + 0x20000)
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#define FLASH_SECTOR15_END (FLASH_SECTOR14_END + 0x20000)
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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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static uint32_t GetFlashBankFromAddress(uint32_t address);
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static uint32_t GetFlashSectorFromAddress(uint32_t address);
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/*******************************************************************************
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* Local Function *
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*******************************************************************************/
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/*******************************************************************************
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* Function Name : GetFlashBankFromAddress
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* Description : ¸ù¾ÝµØÖ·»ñÈ¡Flash Bank
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* Input : address - µØÖ·
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* Output : ÎÞ
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* Return : Flash Bank±àºÅ (FLASH_BANK_1 »ò FLASH_BANK_2), 0±íʾÎÞЧµØÖ·
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*******************************************************************************/
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static uint32_t GetFlashBankFromAddress(uint32_t address)
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{
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if (address >= FLASH_BANK1_START && address <= FLASH_BANK1_END)
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{
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return FLASH_BANK_1;
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}
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else if (address >= FLASH_BANK2_START && address <= FLASH_BANK2_END)
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{
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return FLASH_BANK_2;
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}
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else
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{
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return 0;
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}
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}
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/*******************************************************************************
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* Function Name : GetFlashSectorFromAddress
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* Description : ¸ù¾ÝµØÖ·¼ÆËãÉÈÇø±àºÅ
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* Input : address - µØÖ·
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* Output : ÎÞ
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* Return : ÉÈÇø±àºÅ (0-15), 0xFFFFFFFF±íʾÎÞЧµØÖ·
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*******************************************************************************/
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static uint32_t GetFlashSectorFromAddress(uint32_t address)
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{
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uint32_t bank = GetFlashBankFromAddress(address);
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if (bank == 0)
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{
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return 0xFFFFFFFF;
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}
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if (bank == FLASH_BANK_1)
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{
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/* Bank 1 ÉÈÇø 0-7 */
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if (address <= FLASH_SECTOR0_END)
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return FLASH_SECTOR_0;
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else if (address <= FLASH_SECTOR1_END)
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return FLASH_SECTOR_1;
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else if (address <= FLASH_SECTOR2_END)
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return FLASH_SECTOR_2;
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else if (address <= FLASH_SECTOR3_END)
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return FLASH_SECTOR_3;
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else if (address <= FLASH_SECTOR4_END)
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return FLASH_SECTOR_4;
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else if (address <= FLASH_SECTOR5_END)
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return FLASH_SECTOR_5;
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else if (address <= FLASH_SECTOR6_END)
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return FLASH_SECTOR_6;
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else if (address <= FLASH_SECTOR7_END)
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return FLASH_SECTOR_7;
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}
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else
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{
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#if 0
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/* Bank 2 ÉÈÇø 8-15 */
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if (address <= FLASH_SECTOR8_END)
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return FLASH_SECTOR_8;
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else if (address <= FLASH_SECTOR9_END)
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return FLASH_SECTOR_9;
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else if (address <= FLASH_SECTOR10_END)
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return FLASH_SECTOR_10;
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else if (address <= FLASH_SECTOR11_END)
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return FLASH_SECTOR_11;
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else if (address <= FLASH_SECTOR12_END)
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return FLASH_SECTOR_12;
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else if (address <= FLASH_SECTOR13_END)
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return FLASH_SECTOR_13;
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else if (address <= FLASH_SECTOR14_END)
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return FLASH_SECTOR_14;
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else if (address <= FLASH_SECTOR15_END)
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return FLASH_SECTOR_15;
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#endif
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}
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return 0xFFFFFFFF;
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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 : Flash³õʼ»¯
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* Input : ÎÞ
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* Output : ÎÞ
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* Return : HIDO_OK - ³É¹¦, HIDO_ERR - ʧ°Ü
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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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/* ½âËøFlash */
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if (HAL_FLASH_Unlock() != 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_DeInit
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* Description : Flash·´³õʼ»¯
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* Input : ÎÞ
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* Output : ÎÞ
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* Return : HIDO_OK - ³É¹¦, HIDO_ERR - ʧ°Ü
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*******************************************************************************/
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HIDO_INT32 MCUFlash_DeInit(void)
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{
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/* Ëø¶¨Flash */
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if (HAL_FLASH_Lock() != 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_Erase
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* Description : Flash²Á³ý
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* Input : _u32EraseAddr - ²Á³ýÆðʼµØÖ·
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* : _u32EraseLen - ²Á³ý³¤¶È
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* Output : ÎÞ
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* Return : HIDO_OK - ³É¹¦, HIDO_ERR - ʧ°Ü
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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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uint32_t u32SectorError = 0;
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uint32_t u32StartSector, u32EndSector;
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uint32_t u32CurrentAddr;
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/* Çå³ýFlash±êÖ¾ */
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__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_ALL_ERRORS_BANK1);
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__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_ALL_ERRORS_BANK2);
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/* µØÖ··¶Î§¼ì²é */
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if (_u32EraseAddr < FLASH_BANK1_START || _u32EraseAddr > FLASH_BANK2_END)
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{
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return HIDO_ERR;
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}
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/* »ñÈ¡ÆðʼÉÈÇøºÍ½áÊøÉÈÇø */
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u32StartSector = GetFlashSectorFromAddress(_u32EraseAddr);
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u32CurrentAddr = _u32EraseAddr + _u32EraseLen - 1;
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if (u32CurrentAddr > FLASH_BANK2_END)
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{
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u32CurrentAddr = FLASH_BANK2_END;
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}
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u32EndSector = GetFlashSectorFromAddress(u32CurrentAddr);
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if (u32StartSector == 0xFFFFFFFF || u32EndSector == 0xFFFFFFFF)
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{
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return HIDO_ERR;
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}
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/* ÅäÖòÁ³ý²ÎÊý */
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stEraseInit.TypeErase = FLASH_TYPEERASE_SECTORS;
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stEraseInit.Banks = GetFlashBankFromAddress(_u32EraseAddr);
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stEraseInit.Sector = u32StartSector;
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stEraseInit.NbSectors = u32EndSector - u32StartSector + 1;
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stEraseInit.VoltageRange = FLASH_VOLTAGE_RANGE_3; /* STM32H7ÐèÒªÉèÖõçѹ·¶Î§ */
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/* Ö´ÐвÁ³ý²Ù×÷ */
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if (HAL_FLASHEx_Erase(&stEraseInit, &u32SectorError) != 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 : FlashдÈë
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* Input : _u32WriteAddr - дÈëµØÖ·
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* : _pu8WriteData - дÈëÊý¾ÝÖ¸Õë
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* : _u32WriteLen - дÈëÊý¾Ý³¤¶È
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* Output : ÎÞ
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* Return : HIDO_OK - ³É¹¦, HIDO_ERR - ʧ°Ü
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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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uint32_t u32TmpValue = 0;
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/* µØÖ·¶ÔÆë¼ì²é - STM32H7ÍƼö8×Ö½Ú¶ÔÆë */
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if (_u32WriteAddr % 4 != 0)
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{
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return HIDO_ERR;
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}
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/* STM32H7ÍƼöʹÓÃ64λ±à³Ì */
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while (_u32WriteLen >= 4)
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{
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/* Ö±½ÓʹÓÃ64λÊý¾Ý */
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u32TmpValue = *(uint32_t *)_pu8WriteData;
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if (HAL_FLASH_Program(FLASH_TYPEPROGRAM_FLASHWORD, _u32WriteAddr, (uint32_t)&u32TmpValue) != HAL_OK)
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{
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return HIDO_ERR;
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}
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_u32WriteAddr += 4;
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_pu8WriteData += 4;
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_u32WriteLen -= 4;
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}
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/* ´¦ÀíÊ£ÓàÊý¾Ý£¨ÉÙÓÚ8×Ö½Ú£© */
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if (_u32WriteLen > 0)
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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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if (HAL_FLASH_Program(FLASH_TYPEPROGRAM_FLASHWORD, _u32WriteAddr, (uint32_t)&u32TmpValue) != HAL_OK)
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{
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return HIDO_ERR;
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}
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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 : Flash¶ÁÈ¡
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* Input : _u32ReadAddr - ¶ÁÈ¡µØÖ·
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* : _pu8ReadData - ¶ÁÈ¡Êý¾Ý»º³åÇø
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* : _u32ReadLen - ¶ÁÈ¡Êý¾Ý³¤¶È
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* Output : ÎÞ
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* Return : HIDO_OK - ³É¹¦, HIDO_ERR - ʧ°Ü
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*******************************************************************************/
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HIDO_INT32 MCUFlash_Read(HIDO_UINT32 _u32ReadAddr, HIDO_UINT8 *_pu8ReadData, HIDO_UINT32 _u32ReadLen)
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{
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HIDO_UINT32 i;
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/* µØÖ··¶Î§¼ì²é */
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if (_u32ReadAddr < FLASH_BANK1_START || (_u32ReadAddr + _u32ReadLen) > (FLASH_BANK2_END + 1))
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{
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return HIDO_ERR;
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}
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/* Ö±½ÓÄÚ´æ¶ÁÈ¡ */
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for (i = 0; i < _u32ReadLen; i++)
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{
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_pu8ReadData[i] = *(volatile HIDO_UINT8 *)(_u32ReadAddr + i);
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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_GetSectorInfo
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* Description : »ñÈ¡ÉÈÇøÐÅÏ¢
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* Input : address - µØÖ·
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* Output : pBank - ´æ´¢BankÐÅÏ¢
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* : pSector - ´æ´¢ÉÈÇøÐÅÏ¢
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* Return : HIDO_OK - ³É¹¦, HIDO_ERR - ʧ°Ü
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*******************************************************************************/
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HIDO_INT32 MCUFlash_GetSectorInfo(HIDO_UINT32 address, uint32_t *pBank, uint32_t *pSector)
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{
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if (pBank == NULL || pSector == NULL)
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{
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return HIDO_ERR;
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}
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*pBank = GetFlashBankFromAddress(address);
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*pSector = GetFlashSectorFromAddress(address);
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if (*pBank == 0 || *pSector == 0xFFFFFFFF)
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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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