diff options
Diffstat (limited to 'stm/flash.c')
| -rw-r--r-- | stm/flash.c | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/stm/flash.c b/stm/flash.c deleted file mode 100644 index 24dd3a1dcc..0000000000 --- a/stm/flash.c +++ /dev/null @@ -1,121 +0,0 @@ -#include <stdio.h> -#include <stm32f4xx.h> -#include <stm32f4xx_flash.h> -#include "flash.h" - -/* Base address of the Flash sectors */ -#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 */ - -static const uint32_t flash_info_table[26] = { - ADDR_FLASH_SECTOR_0, FLASH_Sector_0, - ADDR_FLASH_SECTOR_1, FLASH_Sector_1, - ADDR_FLASH_SECTOR_2, FLASH_Sector_2, - ADDR_FLASH_SECTOR_3, FLASH_Sector_3, - ADDR_FLASH_SECTOR_4, FLASH_Sector_4, - ADDR_FLASH_SECTOR_5, FLASH_Sector_5, - ADDR_FLASH_SECTOR_6, FLASH_Sector_6, - ADDR_FLASH_SECTOR_7, FLASH_Sector_7, - ADDR_FLASH_SECTOR_8, FLASH_Sector_8, - ADDR_FLASH_SECTOR_9, FLASH_Sector_9, - ADDR_FLASH_SECTOR_10, FLASH_Sector_10, - ADDR_FLASH_SECTOR_11, FLASH_Sector_11, - ADDR_FLASH_SECTOR_11 + 0x20000, 0, -}; - -uint32_t flash_get_sector_info(uint32_t addr, uint32_t *start_addr, uint32_t *size) { - if (addr >= flash_info_table[0]) { - for (int i = 0; i < 24; i += 2) { - if (addr < flash_info_table[i + 2]) { - if (start_addr != NULL) { - *start_addr = flash_info_table[i]; - } - if (size != NULL) { - *size = flash_info_table[i + 2] - flash_info_table[i]; - } - return flash_info_table[i + 1]; - } - } - } - return 0; -} - -#if 0 -/** - * @brief Gets the sector of a given address - * @param None - * @retval The sector of a given address - */ -uint32_t flash_get_sector(uint32_t addr) { - if ((addr < ADDR_FLASH_SECTOR_1) && (addr >= ADDR_FLASH_SECTOR_0)) { - return FLASH_Sector_0; - } else if ((addr < ADDR_FLASH_SECTOR_2) && (addr >= ADDR_FLASH_SECTOR_1)) { - return FLASH_Sector_1; - } else if ((addr < ADDR_FLASH_SECTOR_3) && (addr >= ADDR_FLASH_SECTOR_2)) { - return FLASH_Sector_2; - } else if ((addr < ADDR_FLASH_SECTOR_4) && (addr >= ADDR_FLASH_SECTOR_3)) { - return FLASH_Sector_3; - } else if ((addr < ADDR_FLASH_SECTOR_5) && (addr >= ADDR_FLASH_SECTOR_4)) { - return FLASH_Sector_4; - } else if ((addr < ADDR_FLASH_SECTOR_6) && (addr >= ADDR_FLASH_SECTOR_5)) { - return FLASH_Sector_5; - } else if ((addr < ADDR_FLASH_SECTOR_7) && (addr >= ADDR_FLASH_SECTOR_6)) { - return FLASH_Sector_6; - } else if ((addr < ADDR_FLASH_SECTOR_8) && (addr >= ADDR_FLASH_SECTOR_7)) { - return FLASH_Sector_7; - } else if ((addr < ADDR_FLASH_SECTOR_9) && (addr >= ADDR_FLASH_SECTOR_8)) { - return FLASH_Sector_8; - } else if ((addr < ADDR_FLASH_SECTOR_10) && (addr >= ADDR_FLASH_SECTOR_9)) { - return FLASH_Sector_9; - } else if ((addr < ADDR_FLASH_SECTOR_11) && (addr >= ADDR_FLASH_SECTOR_10)) { - return FLASH_Sector_10; - } else { - return FLASH_Sector_11; - } -} -#endif - -void flash_write(uint32_t flash_dest, const uint32_t *src, uint32_t num_word32) { - // unlock - FLASH_Unlock(); - - // Clear pending flags (if any) - FLASH_ClearFlag(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | - FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR|FLASH_FLAG_PGSERR); - - // Device voltage range supposed to be [2.7V to 3.6V], the operation will be done by word - if (FLASH_EraseSector(flash_get_sector_info(flash_dest, NULL, NULL), VoltageRange_3) != FLASH_COMPLETE) { - /* Error occurred while sector erase. - User can add here some code to deal with this error */ - return; - } - - /* Program the user Flash area word by word ********************************/ - - for (int i = 0; i < num_word32; i++) { - if (FLASH_ProgramWord(flash_dest, *src) == FLASH_COMPLETE) - { - flash_dest += 4; - src += 1; - } - else - { - /* Error occurred while writing data in Flash memory. - User can add here some code to deal with this error */ - return; - } - } - - // lock - FLASH_Lock(); -} |