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Flash sector erase requires the FLASH_SER bit set.

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Mike Smith
2012-01-02 21:04:13 -08:00
committed by Piotr Esden-Tempski
parent cdcfaaf688
commit 5310cd1b57
1 changed files with 1 additions and 0 deletions
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lib/stm32/f4/flash.c
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@@ -218,6 +218,7 @@ void flash_erase_sector(u32 sector, u32 program_size)
FLASH_CR &= ~(((1 << 0) | (1 << 1) | (1 << 2) | (1 << 3)) << 3); FLASH_CR &= ~(((1 << 0) | (1 << 1) | (1 << 2) | (1 << 3)) << 3);
FLASH_CR |= sector; FLASH_CR |= sector;
FLASH_CR |= FLASH_SER;
FLASH_CR |= FLASH_STRT; FLASH_CR |= FLASH_STRT;
flash_wait_for_last_operation(); flash_wait_for_last_operation();