Merge pull request #3442 from redocCheng/master

drv_flash_f1.c support stm32f103vg
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Bernard Xiong 2020-03-22 21:24:47 +08:00 committed by GitHub
commit 2e42ad8279
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1 changed files with 79 additions and 3 deletions

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@ -6,6 +6,8 @@
* Change Logs:
* Date Author Notes
* 2018-12-5 SummerGift first version
* 2020-03-05 redoc support stm32f103vg
*
*/
#include "board.h"
@ -122,16 +124,17 @@ int stm32_flash_write(rt_uint32_t addr, const rt_uint8_t *buf, size_t size)
}
/**
* Erase data on flash.
* Erase data on flash with bank.
* @note This operation is irreversible.
* @note This operation's units is different which on many chips.
*
* @param bank flash bank
* @param addr flash address
* @param size erase bytes size
*
* @return result
*/
int stm32_flash_erase(rt_uint32_t addr, size_t size)
int stm32_flash_erase_bank(uint32_t bank, rt_uint32_t addr, size_t size)
{
rt_err_t result = RT_EOK;
uint32_t PAGEError = 0;
@ -151,7 +154,8 @@ int stm32_flash_erase(rt_uint32_t addr, size_t size)
EraseInitStruct.TypeErase = FLASH_TYPEERASE_PAGES;
EraseInitStruct.PageAddress = GetPage(addr);
EraseInitStruct.NbPages = (size + FLASH_PAGE_SIZE - 1) / FLASH_PAGE_SIZE;
EraseInitStruct.Banks = bank;
if (HAL_FLASHEx_Erase(&EraseInitStruct, &PAGEError) != HAL_OK)
{
result = -RT_ERROR;
@ -170,6 +174,78 @@ __exit:
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)
{
#if defined(FLASH_BANK2_END)
rt_err_t result = RT_EOK;
rt_uint32_t addr_bank1 = 0;
rt_uint32_t size_bank1 = 0;
rt_uint32_t addr_bank2 = 0;
rt_uint32_t size_bank2 = 0;
if((addr + size) <= FLASH_BANK1_END)
{
addr_bank1 = addr;
size_bank1 = size;
size_bank2 = 0;
}
else if(addr > FLASH_BANK1_END)
{
size_bank1 = 0;
addr_bank2 = addr;
size_bank2 = size;
}
else
{
addr_bank1 = addr;
size_bank1 = FLASH_BANK1_END + 1 - addr_bank1;
addr_bank2 = FLASH_BANK1_END + 1;
size_bank2 = addr + size - (FLASH_BANK1_END + 1);
}
if(size_bank1)
{
LOG_D("bank1: addr (0x%p), size %d", (void *)addr_bank1, size_bank1);
if(size_bank1 != stm32_flash_erase_bank(FLASH_BANK_1, addr_bank1, size_bank1))
{
result = -RT_ERROR;
goto __exit;
}
}
if(size_bank2)
{
LOG_D("bank2: addr (0x%p), size %d", (void *)addr_bank2, size_bank2);
if(size_bank2 != stm32_flash_erase_bank(FLASH_BANK_2, addr_bank2, size_bank2))
{
result = -RT_ERROR;
goto __exit;
}
}
__exit:
if(result != RT_EOK)
{
return result;
}
return size_bank1 + size_bank2;
#else
return stm32_flash_erase_bank(FLASH_BANK_1, addr, size);
#endif
}
#if defined(PKG_USING_FAL)
static int fal_flash_read(long offset, rt_uint8_t *buf, size_t size);