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stm32: flash_unlock_option_bytes is common code.

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The keys differ between some familes, but the documentation and
implementation are standard.
This commit is contained in:
Karl Palsson
2018-07-22 21:31:00 +00:00
parent c5a3350a7d
commit 850931dbcd
13 changed files with 18 additions and 68 deletions
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6
include/libopencm3/stm32/common/flash_common_all.h
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@@ -65,4 +65,10 @@ void flash_lock(void);
*/
void flash_unlock(void);
/** Unlock the Option Byte Access.
* This enables write access to the option bytes. It is locked by default on
* reset.
*/
void flash_unlock_option_bytes(void);
END_DECLS

4
include/libopencm3/stm32/common/flash_common_f01.h
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@@ -95,6 +95,9 @@
#define FLASH_KEYR_KEY1 ((uint32_t)0x45670123)
#define FLASH_KEYR_KEY2 ((uint32_t)0xcdef89ab)
#define FLASH_OPTKEYR_KEY1 FLASH_KEYR_KEY1
#define FLASH_OPTKEYR_KEY2 FLASH_KEYR_KEY2
/* --- Function prototypes ------------------------------------------------- */
BEGIN_DECLS
@@ -108,7 +111,6 @@ void flash_program_word(uint32_t address, uint32_t data);
void flash_program_half_word(uint32_t address, uint16_t data);
void flash_erase_page(uint32_t page_address);
void flash_erase_all_pages(void);
void flash_unlock_option_bytes(void);
void flash_erase_option_bytes(void);
void flash_program_option_bytes(uint32_t address, uint16_t data);

1
include/libopencm3/stm32/common/flash_common_f24.h
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@@ -112,7 +112,6 @@
BEGIN_DECLS
void flash_unlock_option_bytes(void);
void flash_lock_option_bytes(void);
void flash_clear_pgserr_flag(void);
void flash_clear_wrperr_flag(void);

1
include/libopencm3/stm32/common/flash_common_l01.h
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@@ -118,7 +118,6 @@ void flash_unlock_pecr(void);
void flash_lock_pecr(void);
void flash_unlock_progmem(void);
void flash_lock_progmem(void);
void flash_unlock_option_bytes(void);
void flash_lock_option_bytes(void);
void eeprom_program_word(uint32_t address, uint32_t data);

4
include/libopencm3/stm32/f3/flash.h
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@@ -72,6 +72,10 @@
#define FLASH_CR_PER (1 << 1)
#define FLASH_CR_PG (1 << 0)
/* F3 uses the same keys for option bytes */
#define FLASH_OPTKEYR_KEY1 FLASH_KEYR_KEY1
#define FLASH_OPTKEYR_KEY2 FLASH_KEYR_KEY2
BEGIN_DECLS

1
include/libopencm3/stm32/f7/flash.h
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@@ -157,7 +157,6 @@ BEGIN_DECLS
void flash_clear_pgperr_flag(void);
void flash_wait_for_last_operation(void);
void flash_unlock_option_bytes(void);
void flash_lock_option_bytes(void);
void flash_clear_erserr_flag(void);
void flash_clear_wrperr_flag(void);

1
include/libopencm3/stm32/l4/flash.h
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@@ -228,7 +228,6 @@ void flash_clear_pgserr_flag(void);
void flash_clear_pgaerr_flag(void);
void flash_clear_wrperr_flag(void);
void flash_clear_status_flags(void);
void flash_unlock_option_bytes(void);
void flash_lock_option_bytes(void);
void flash_program_word(uint32_t address, uint32_t data);
void flash_program(uint32_t address, uint8_t *data, uint32_t len);