Skip to content

Replaced hard coded EEPROM base address with generic code #64

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 2 commits into from Jul 13, 2017
Merged

Replaced hard coded EEPROM base address with generic code #64

Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
0366e8a
Replaced hard coded EEPROM base address with generic code
Jul 13, 2017
dad8282
Factorized code to make reading easier
Jul 13, 2017
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
61 changes: 44 additions & 17 deletions cores/arduino/stm32/stm32_eeprom.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -68,37 +68,64 @@
/** @addtogroup STM32F4xx_System_Private_Defines
* @{
*/
// We use the last page of the flash to store data (to prevent code overwrite).
// We use the last page of the flash to store data (to prevent code overwritten).
#ifdef STM32F0xx
// Flash base address (Bank2, page 256)
#define FLASH_BASE_ADDRESS 0x0803F800
#define FLASH_BASE_ADDRESS ((uint32_t)(FLASH_BANK1_END + 1) - FLASH_PAGE_SIZE)
#elif defined (STM32F1xx)
#define FLASH_BASE_ADDRESS ((uint32_t)((FLASH_BANK1_END + 1) - FLASH_PAGE_SIZE)) //0x0801FC00
#define FLASH_PAGE_NUMBER 127
#ifdef FLASH_BANK2_END
#define FLASH_BASE_ADDRESS ((uint32_t)((FLASH_BANK2_END + 1) - FLASH_PAGE_SIZE))
#else
#define FLASH_BASE_ADDRESS ((uint32_t)((FLASH_BANK1_END + 1) - FLASH_PAGE_SIZE))
#endif // FLASH_BANK2_END
#elif defined (STM32F2xx)
/*start address:from sector2 : after 16KByte of used Flash memory */
#define FLASH_BASE_ADDRESS ((uint32_t)(0x08008000))
#define FLASH_DATA_SECTOR FLASH_SECTOR_2
#define FLASH_BASE_ADDRESS ((uint32_t)(FLASH_END + 1) - FLASH_PAGE_SIZE)
#define FLASH_DATA_SECTOR ((uint32_t)(FLASH_SECTOR_TOTAL - 1))
#elif defined (STM32F3xx)
#define FLASH_BASE_ADDRESS ((uint32_t)((0x0807FFFF + 1) - FLASH_PAGE_SIZE)) //0x0807F800
static inline uint32_t get_flash_end(void) {
uint32_t size;

switch((*((uint16_t *)FLASH_SIZE_DATA_REGISTER))) {
case 0x200U:
size = 0x0807FFFFU;
break;
case 0x100U:
size = 0x0803FFFFU;
break;
case 0x80U:
size = 0x0801FFFFU;
break;
case 0x40U:
size = 0x0800FFFFU;
break;
case 0x20U:
size = 0x08007FFFU;
break;
default:
size = 0x08003FFFU;
break;
}

return size;
}
#define FLASH_END_ADDR get_flash_end()
#define FLASH_BASE_ADDRESS ((uint32_t)((FLASH_END_ADDR + 1) - FLASH_PAGE_SIZE))
#elif defined (STM32F4xx)
// Use the last 16 page of the second bank (sector 15)
#define FLASH_BASE_ADDRESS ((uint32_t)(0x0810C000))
#define FLASH_DATA_SECTOR 15
#define FLASH_BASE_ADDRESS ((uint32_t)((FLASH_END + 1) - FLASH_PAGE_SIZE))
#define FLASH_DATA_SECTOR ((uint32_t)(FLASH_SECTOR_TOTAL - 1))
#elif defined (STM32F7xx)
#define FLASH_BASE_ADDRESS ((uint32_t)(0x08018000))
#define FLASH_DATA_SECTOR 3
#define FLASH_BASE_ADDRESS ((uint32_t)((FLASH_END + 1) - FLASH_PAGE_SIZE))
#define FLASH_DATA_SECTOR ((uint32_t)(FLASH_SECTOR_TOTAL - 1))
#elif defined (STM32L0xx)
#define FLASH_BASE_ADDRESS ((uint32_t)(DATA_EEPROM_BASE)) /* 0x08080000 */
#define FLASH_BASE_ADDRESS ((uint32_t)(DATA_EEPROM_BASE))
#elif defined (STM32L4xx)
#ifndef FLASH_BANK_2
#define FLASH_BANK_NUMBER FLASH_BANK_1
#else
#define FLASH_BANK_NUMBER FLASH_BANK_2
#endif // FLASH_BANK_2
// Flash base address
#define FLASH_PAGE_NUMBER ((uint32_t)((FLASH_SIZE/FLASH_PAGE_SIZE) -1))
#define FLASH_BASE_ADDRESS ((uint32_t)(0x08000000 + (FLASH_PAGE_NUMBER*FLASH_PAGE_SIZE)))
#define FLASH_PAGE_NUMBER ((uint32_t)((FLASH_SIZE / FLASH_PAGE_SIZE) - 1))
#define FLASH_BASE_ADDRESS ((uint32_t)(FLASH_BASE + (FLASH_PAGE_NUMBER * FLASH_PAGE_SIZE)))
#endif
/**
* @}
Expand Down