rt-thread-stm32f072/libraries/HAL_Drivers/drv_flash/drv_flash_f4.c

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2022-10-30 15:41:02 +08:00
/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-12-5 SummerGift first version
*/
#include "board.h"
#ifdef BSP_USING_ON_CHIP_FLASH
#include "drv_config.h"
#include "drv_flash.h"
#if defined(RT_USING_FAL)
#include "fal.h"
#endif
//#define DRV_DEBUG
#define LOG_TAG "drv.flash"
#include <drv_log.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 rt_uint32_t GetSector(rt_uint32_t Address)
{
rt_uint32_t sector = 0;
if((Address < ADDR_FLASH_SECTOR_1) && (Address >= ADDR_FLASH_SECTOR_0))
{
sector = FLASH_SECTOR_0;
}
else if((Address < ADDR_FLASH_SECTOR_2) && (Address >= ADDR_FLASH_SECTOR_1))
{
sector = FLASH_SECTOR_1;
}
else if((Address < ADDR_FLASH_SECTOR_3) && (Address >= ADDR_FLASH_SECTOR_2))
{
sector = FLASH_SECTOR_2;
}
else if((Address < ADDR_FLASH_SECTOR_4) && (Address >= ADDR_FLASH_SECTOR_3))
{
sector = FLASH_SECTOR_3;
}
else if((Address < ADDR_FLASH_SECTOR_5) && (Address >= ADDR_FLASH_SECTOR_4))
{
sector = FLASH_SECTOR_4;
}
else if((Address < ADDR_FLASH_SECTOR_6) && (Address >= ADDR_FLASH_SECTOR_5))
{
sector = FLASH_SECTOR_5;
}
else if((Address < ADDR_FLASH_SECTOR_7) && (Address >= ADDR_FLASH_SECTOR_6))
{
sector = FLASH_SECTOR_6;
}
else if((Address < ADDR_FLASH_SECTOR_8) && (Address >= ADDR_FLASH_SECTOR_7))
{
sector = FLASH_SECTOR_7;
}
#if defined(FLASH_SECTOR_8)
else if((Address < ADDR_FLASH_SECTOR_9) && (Address >= ADDR_FLASH_SECTOR_8))
{
sector = FLASH_SECTOR_8;
}
#endif
#if defined(FLASH_SECTOR_9)
else if((Address < ADDR_FLASH_SECTOR_10) && (Address >= ADDR_FLASH_SECTOR_9))
{
sector = FLASH_SECTOR_9;
}
#endif
#if defined(FLASH_SECTOR_10)
else if((Address < ADDR_FLASH_SECTOR_11) && (Address >= ADDR_FLASH_SECTOR_10))
{
sector = FLASH_SECTOR_10;
}
#endif
#if defined(FLASH_SECTOR_11)
else if((Address < ADDR_FLASH_SECTOR_12) && (Address >= 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;
}
/**
* Read data from flash.
* @note This operation's units is word.
*
* @param addr flash address
* @param buf buffer to store read data
* @param size read bytes size
*
* @return result
*/
int stm32_flash_read(rt_uint32_t addr, rt_uint8_t *buf, size_t size)
{
size_t i;
if ((addr + size) > STM32_FLASH_END_ADDRESS)
{
LOG_E("read outrange flash size! addr is (0x%p)", (void*)(addr + size));
return -1;
}
for (i = 0; i < size; i++, buf++, addr++)
{
*buf = *(rt_uint8_t *) addr;
}
return size;
}
/**
* Write data to flash.
* @note This operation's units is word.
* @note This operation must after erase. @see flash_erase.
*
* @param addr flash address
* @param buf the write data buffer
* @param size write bytes size
*
* @return result
*/
int stm32_flash_write(rt_uint32_t addr, const rt_uint8_t *buf, size_t size)
{
rt_err_t result = RT_EOK;
rt_uint32_t end_addr = addr + size;
rt_uint32_t written_size = 0;
rt_uint32_t write_size = 0;
if ((end_addr) > STM32_FLASH_END_ADDRESS)
{
LOG_E("write outrange flash size! addr is (0x%p)", (void*)(addr + size));
return -RT_EINVAL;
}
if (size < 1)
{
return -RT_EINVAL;
}
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);
while (written_size < size)
{
if (((addr + written_size) % 4 == 0) && (size - written_size >= 4))
{
if (HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, addr + written_size, *((rt_uint32_t *)(buf + written_size))) == HAL_OK)
{
if (*(rt_uint32_t *)(addr + written_size) != *(rt_uint32_t *)(buf + written_size))
{
result = -RT_ERROR;
break;
}
}
else
{
result = -RT_ERROR;
break;
}
write_size = 4;
}
else if (((addr + written_size) % 2 == 0) && (size - written_size >= 2))
{
if (HAL_FLASH_Program(FLASH_TYPEPROGRAM_HALFWORD, addr + written_size, *((rt_uint16_t *)(buf + written_size))) == HAL_OK)
{
if (*(rt_uint16_t *)(addr + written_size) != *(rt_uint16_t *)(buf + written_size))
{
result = -RT_ERROR;
break;
}
}
else
{
result = -RT_ERROR;
break;
}
write_size = 2;
}
else
{
if (HAL_FLASH_Program(FLASH_TYPEPROGRAM_BYTE, addr + written_size, *((rt_uint8_t *)(buf + written_size))) == HAL_OK)
{
if (*(rt_uint8_t *)(addr + written_size) != *(rt_uint8_t *)(buf + written_size))
{
result = -RT_ERROR;
break;
}
}
else
{
result = -RT_ERROR;
break;
}
write_size = 1;
}
written_size += write_size;
}
HAL_FLASH_Lock();
if (result != RT_EOK)
{
return result;
}
return size;
}
/**
* Erase data on flash.
* @note This operation is irreversible.
* @note This operation's units is different which on many chips.
*
* @param addr flash address
* @param size erase bytes size
*
* @return result
*/
int stm32_flash_erase(rt_uint32_t addr, size_t size)
{
rt_err_t result = RT_EOK;
rt_uint32_t FirstSector = 0, NbOfSectors = 0;
rt_uint32_t SECTORError = 0;
if ((addr + size) > STM32_FLASH_END_ADDRESS)
{
LOG_E("ERROR: erase outrange flash size! addr is (0x%p)\n", (void*)(addr + size));
return -RT_EINVAL;
}
if (size < 1)
{
return -RT_EINVAL;
}
/*Variable used for Erase procedure*/
FLASH_EraseInitTypeDef EraseInitStruct;
/* 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 = GetSector(addr);
/* Get the number of sector to erase from 1st sector*/
NbOfSectors = GetSector(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)
{
result = -RT_ERROR;
goto __exit;
}
__exit:
HAL_FLASH_Lock();
if (result != RT_EOK)
{
return result;
}
LOG_D("erase done: addr (0x%p), size %d", (void*)addr, size);
return size;
}
#if defined(RT_USING_FAL)
static int fal_flash_read_16k(long offset, rt_uint8_t *buf, size_t size);
static int fal_flash_read_64k(long offset, rt_uint8_t *buf, size_t size);
static int fal_flash_read_128k(long offset, rt_uint8_t *buf, size_t size);
static int fal_flash_write_16k(long offset, const rt_uint8_t *buf, size_t size);
static int fal_flash_write_64k(long offset, const rt_uint8_t *buf, size_t size);
static int fal_flash_write_128k(long offset, const rt_uint8_t *buf, size_t size);
static int fal_flash_erase_16k(long offset, size_t size);
static int fal_flash_erase_64k(long offset, size_t size);
static int fal_flash_erase_128k(long offset, size_t size);
const struct fal_flash_dev stm32_onchip_flash_16k =
{
"onchip_flash_16k",
STM32_FLASH_START_ADRESS_16K,
FLASH_SIZE_GRANULARITY_16K,
(16 * 1024),
{
NULL,
fal_flash_read_16k,
fal_flash_write_16k,
fal_flash_erase_16k,
},
8,
};
const struct fal_flash_dev stm32_onchip_flash_64k =
{
"onchip_flash_64k",
STM32_FLASH_START_ADRESS_64K,
FLASH_SIZE_GRANULARITY_64K,
(64 * 1024),
{
NULL,
fal_flash_read_64k,
fal_flash_write_64k,
fal_flash_erase_64k,
},
8,
};
const struct fal_flash_dev stm32_onchip_flash_128k =
{
"onchip_flash_128k",
STM32_FLASH_START_ADRESS_128K,
FLASH_SIZE_GRANULARITY_128K,
(128 * 1024),
{
NULL,
fal_flash_read_128k,
fal_flash_write_128k,
fal_flash_erase_128k,
},
8,
};
static int fal_flash_read_16k(long offset, rt_uint8_t *buf, size_t size)
{
return stm32_flash_read(stm32_onchip_flash_16k.addr + offset, buf, size);
}
static int fal_flash_read_64k(long offset, rt_uint8_t *buf, size_t size)
{
return stm32_flash_read(stm32_onchip_flash_64k.addr + offset, buf, size);
}
static int fal_flash_read_128k(long offset, rt_uint8_t *buf, size_t size)
{
return stm32_flash_read(stm32_onchip_flash_128k.addr + offset, buf, size);
}
static int fal_flash_write_16k(long offset, const rt_uint8_t *buf, size_t size)
{
return stm32_flash_write(stm32_onchip_flash_16k.addr + offset, buf, size);
}
static int fal_flash_write_64k(long offset, const rt_uint8_t *buf, size_t size)
{
return stm32_flash_write(stm32_onchip_flash_64k.addr + offset, buf, size);
}
static int fal_flash_write_128k(long offset, const rt_uint8_t *buf, size_t size)
{
return stm32_flash_write(stm32_onchip_flash_128k.addr + offset, buf, size);
}
static int fal_flash_erase_16k(long offset, size_t size)
{
return stm32_flash_erase(stm32_onchip_flash_16k.addr + offset, size);
}
static int fal_flash_erase_64k(long offset, size_t size)
{
return stm32_flash_erase(stm32_onchip_flash_64k.addr + offset, size);
}
static int fal_flash_erase_128k(long offset, size_t size)
{
return stm32_flash_erase(stm32_onchip_flash_128k.addr + offset, size);
}
#endif
#endif /* BSP_USING_ON_CHIP_FLASH */