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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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13
lib/stm32/f7/flash.c
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@@ -82,19 +82,6 @@ void flash_wait_for_last_operation(void)
while ((FLASH_SR & FLASH_SR_BSY) == FLASH_SR_BSY);
}
/*---------------------------------------------------------------------------*/
/** @brief 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)
{
FLASH_OPTKEYR = FLASH_OPTKEYR_KEY1;
FLASH_OPTKEYR = FLASH_OPTKEYR_KEY2;
}
/*---------------------------------------------------------------------------*/
/** @brief Lock the Option Byte Access