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FlashDB/port/fal/samples/porting/fal_flash_stm32f4.c
Denis Shreiber a39f4e2ed6
[fal] Execute HAL_FLASH_Lock() in case of error wile writing and erasing (#183) 
* Execute HAL_FLASH_Lock() in case of error wile writing and erasing

* Also fix fal_flash_stm32f2_port.c

* Replace tabs to spaces
2022-10-02 22:08:57 +08:00

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/*
* Copyright (c) 2020, Armink, <armink.ztl@gmail.com>
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <fal.h>
#include <stm32f4xx_hal.h>
/* Base address of the Flash sectors Bank 1 */
#define ADDR_FLASH_SECTOR_0 ((uint32_t)0x08000000) /* Base @ of Sector 0, 16 Kbytes */
#define ADDR_FLASH_SECTOR_1 ((uint32_t)0x08004000) /* Base @ of Sector 1, 16 Kbytes */
#define ADDR_FLASH_SECTOR_2 ((uint32_t)0x08008000) /* Base @ of Sector 2, 16 Kbytes */
#define ADDR_FLASH_SECTOR_3 ((uint32_t)0x0800C000) /* Base @ of Sector 3, 16 Kbytes */
#define ADDR_FLASH_SECTOR_4 ((uint32_t)0x08010000) /* Base @ of Sector 4, 64 Kbytes */
#define ADDR_FLASH_SECTOR_5 ((uint32_t)0x08020000) /* Base @ of Sector 5, 128 Kbytes */
#define ADDR_FLASH_SECTOR_6 ((uint32_t)0x08040000) /* Base @ of Sector 6, 128 Kbytes */
#define ADDR_FLASH_SECTOR_7 ((uint32_t)0x08060000) /* Base @ of Sector 7, 128 Kbytes */
#define ADDR_FLASH_SECTOR_8 ((uint32_t)0x08080000) /* Base @ of Sector 8, 128 Kbytes */
#define ADDR_FLASH_SECTOR_9 ((uint32_t)0x080A0000) /* Base @ of Sector 9, 128 Kbytes */
#define ADDR_FLASH_SECTOR_10 ((uint32_t)0x080C0000) /* Base @ of Sector 10, 128 Kbytes */
#define ADDR_FLASH_SECTOR_11 ((uint32_t)0x080E0000) /* Base @ of Sector 11, 128 Kbytes */
/* Base address of the Flash sectors Bank 2 */
#define ADDR_FLASH_SECTOR_12 ((uint32_t)0x08100000) /* Base @ of Sector 0, 16 Kbytes */
#define ADDR_FLASH_SECTOR_13 ((uint32_t)0x08104000) /* Base @ of Sector 1, 16 Kbytes */
#define ADDR_FLASH_SECTOR_14 ((uint32_t)0x08108000) /* Base @ of Sector 2, 16 Kbytes */
#define ADDR_FLASH_SECTOR_15 ((uint32_t)0x0810C000) /* Base @ of Sector 3, 16 Kbytes */
#define ADDR_FLASH_SECTOR_16 ((uint32_t)0x08110000) /* Base @ of Sector 4, 64 Kbytes */
#define ADDR_FLASH_SECTOR_17 ((uint32_t)0x08120000) /* Base @ of Sector 5, 128 Kbytes */
#define ADDR_FLASH_SECTOR_18 ((uint32_t)0x08140000) /* Base @ of Sector 6, 128 Kbytes */
#define ADDR_FLASH_SECTOR_19 ((uint32_t)0x08160000) /* Base @ of Sector 7, 128 Kbytes */
#define ADDR_FLASH_SECTOR_20 ((uint32_t)0x08180000) /* Base @ of Sector 8, 128 Kbytes */
#define ADDR_FLASH_SECTOR_21 ((uint32_t)0x081A0000) /* Base @ of Sector 9, 128 Kbytes */
#define ADDR_FLASH_SECTOR_22 ((uint32_t)0x081C0000) /* Base @ of Sector 10, 128 Kbytes */
#define ADDR_FLASH_SECTOR_23 ((uint32_t)0x081E0000) /* Base @ of Sector 11, 128 Kbytes */
/**
* @brief Gets the sector of a given address
* @param None
* @retval The sector of a given address
*/
static uint32_t stm32_get_sector(uint32_t addr)
{
uint32_t sector = 0;
if((addr < ADDR_FLASH_SECTOR_1) && (addr >= ADDR_FLASH_SECTOR_0))
{
sector = FLASH_SECTOR_0;
}
else if((addr < ADDR_FLASH_SECTOR_2) && (addr >= ADDR_FLASH_SECTOR_1))
{
sector = FLASH_SECTOR_1;
}
else if((addr < ADDR_FLASH_SECTOR_3) && (addr >= ADDR_FLASH_SECTOR_2))
{
sector = FLASH_SECTOR_2;
}
else if((addr < ADDR_FLASH_SECTOR_4) && (addr >= ADDR_FLASH_SECTOR_3))
{
sector = FLASH_SECTOR_3;
}
else if((addr < ADDR_FLASH_SECTOR_5) && (addr >= ADDR_FLASH_SECTOR_4))
{
sector = FLASH_SECTOR_4;
}
else if((addr < ADDR_FLASH_SECTOR_6) && (addr >= ADDR_FLASH_SECTOR_5))
{
sector = FLASH_SECTOR_5;
}
else if((addr < ADDR_FLASH_SECTOR_7) && (addr >= ADDR_FLASH_SECTOR_6))
{
sector = FLASH_SECTOR_6;
}
else if((addr < ADDR_FLASH_SECTOR_8) && (addr >= ADDR_FLASH_SECTOR_7))
{
sector = FLASH_SECTOR_7;
}
#if defined(FLASH_SECTOR_8)
else if((addr < ADDR_FLASH_SECTOR_9) && (addr >= ADDR_FLASH_SECTOR_8))
{
sector = FLASH_SECTOR_8;
}
#endif
#if defined(FLASH_SECTOR_9)
else if((addr < ADDR_FLASH_SECTOR_10) && (addr >= ADDR_FLASH_SECTOR_9))
{
sector = FLASH_SECTOR_9;
}
#endif
#if defined(FLASH_SECTOR_10)
else if((addr < ADDR_FLASH_SECTOR_11) && (addr >= ADDR_FLASH_SECTOR_10))
{
sector = FLASH_SECTOR_10;
}
#endif
#if defined(FLASH_SECTOR_11)
else if((addr < ADDR_FLASH_SECTOR_12) && (addr >= ADDR_FLASH_SECTOR_11))
{
sector = FLASH_SECTOR_11;
}
#endif
#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx)|| defined(STM32F439xx) || defined(STM32F469xx) || defined(STM32F479xx)
else if((Address < ADDR_FLASH_SECTOR_13) && (Address >= ADDR_FLASH_SECTOR_12))
{
sector = FLASH_SECTOR_12;
}
else if((Address < ADDR_FLASH_SECTOR_14) && (Address >= ADDR_FLASH_SECTOR_13))
{
sector = FLASH_SECTOR_13;
}
else if((Address < ADDR_FLASH_SECTOR_15) && (Address >= ADDR_FLASH_SECTOR_14))
{
sector = FLASH_SECTOR_14;
}
else if((Address < ADDR_FLASH_SECTOR_16) && (Address >= ADDR_FLASH_SECTOR_15))
{
sector = FLASH_SECTOR_15;
}
else if((Address < ADDR_FLASH_SECTOR_17) && (Address >= ADDR_FLASH_SECTOR_16))
{
sector = FLASH_SECTOR_16;
}
else if((Address < ADDR_FLASH_SECTOR_18) && (Address >= ADDR_FLASH_SECTOR_17))
{
sector = FLASH_SECTOR_17;
}
else if((Address < ADDR_FLASH_SECTOR_19) && (Address >= ADDR_FLASH_SECTOR_18))
{
sector = FLASH_SECTOR_18;
}
else if((Address < ADDR_FLASH_SECTOR_20) && (Address >= ADDR_FLASH_SECTOR_19))
{
sector = FLASH_SECTOR_19;
}
else if((Address < ADDR_FLASH_SECTOR_21) && (Address >= ADDR_FLASH_SECTOR_20))
{
sector = FLASH_SECTOR_20;
}
else if((Address < ADDR_FLASH_SECTOR_22) && (Address >= ADDR_FLASH_SECTOR_21))
{
sector = FLASH_SECTOR_21;
}
else if((Address < ADDR_FLASH_SECTOR_23) && (Address >= ADDR_FLASH_SECTOR_22))
{
sector = FLASH_SECTOR_22;
}
else /* (Address < FLASH_END_ADDR) && (Address >= ADDR_FLASH_SECTOR_23) */
{
sector = FLASH_SECTOR_23;
}
#endif
return sector;
}
static int read(long offset, uint8_t *buf, size_t size)
{
size_t i;
long addr = stm32_onchip_flash.addr + offset;
for (i = 0; i < size; i++, buf++, addr++)
{
*buf = *(uint8_t *) addr;
}
return size;
}
static int write(long offset, const uint8_t *buf, size_t size)
{
long addr = stm32_onchip_flash.addr + offset;
HAL_FLASH_Unlock();
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR);
for (size_t i = 0; i < size; i++, addr++, buf++)
{
/* write data to flash */
if (HAL_FLASH_Program(FLASH_TYPEPROGRAM_BYTE, addr, (uint64_t)(*buf)) == HAL_OK)
{
if (*(uint8_t *) addr != *buf)
{
HAL_FLASH_Lock();
return -1;
}
}
else
{
HAL_FLASH_Lock();
return -1;
}
}
HAL_FLASH_Lock();
return size;
}
static int erase(long offset, size_t size)
{
uint32_t FirstSector = 0, NbOfSectors = 0;
uint32_t SECTORError = 0;
/*Variable used for Erase procedure*/
FLASH_EraseInitTypeDef EraseInitStruct;
long addr = stm32_onchip_flash.addr + offset;
/* Unlock the Flash to enable the flash control register access */
HAL_FLASH_Unlock();
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR);
/* Get the 1st sector to erase */
FirstSector = stm32_get_sector(addr);
/* Get the number of sector to erase from 1st sector*/
NbOfSectors = stm32_get_sector(addr + size - 1) - FirstSector + 1;
/* Fill EraseInit structure*/
EraseInitStruct.TypeErase = FLASH_TYPEERASE_SECTORS;
EraseInitStruct.VoltageRange = FLASH_VOLTAGE_RANGE_3;
EraseInitStruct.Sector = FirstSector;
EraseInitStruct.NbSectors = NbOfSectors;
if (HAL_FLASHEx_Erase(&EraseInitStruct, (uint32_t *) &SECTORError) != HAL_OK)
{
HAL_FLASH_Lock();
return -1;
}
HAL_FLASH_Lock();
return size;
}
const struct fal_flash_dev stm32_onchip_flash =
{
.name = "stm32_onchip",
.addr = 0x08000000,
.len = 1024*1024,
.blk_size = 128*1024,
.ops = {NULL, read, write, erase},
.write_gran = 8
};
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