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* unnecessary PG bit clearing removed from flash word and half-word programming to improve speed

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* missing PG bit set is inserted at word programming
This commit is contained in:
molnarkares 2013-11-02 11:05:50 +01:00 committed by Piotr Esden-Tempski
parent db3dc42dd6
commit f7620ae148
1 changed files with 3 additions and 5 deletions
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8
lib/stm32/f1/flash.c
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@ -127,14 +127,14 @@ void flash_program_word(uint32_t address, uint32_t data)
/* Wait for the write to complete. */ /* Wait for the write to complete. */
flash_wait_for_last_operation(); flash_wait_for_last_operation();
/* Enable writes to flash. */
FLASH_CR |= FLASH_CR_PG;
/* Program the second half of the word. */ /* Program the second half of the word. */
MMIO16(address + 2) = data >> 16; MMIO16(address + 2) = data >> 16;
/* Wait for the write to complete. */ /* Wait for the write to complete. */
flash_wait_for_last_operation(); flash_wait_for_last_operation();
/* Disable writes to flash. */
FLASH_CR &= ~FLASH_CR_PG;
} }
void flash_program_half_word(uint32_t address, uint16_t data) void flash_program_half_word(uint32_t address, uint16_t data)
@ -146,8 +146,6 @@ void flash_program_half_word(uint32_t address, uint16_t data)
MMIO16(address) = data; MMIO16(address) = data;
flash_wait_for_last_operation(); flash_wait_for_last_operation();
FLASH_CR &= ~FLASH_CR_PG; /* Disable the PG bit. */
} }
void flash_erase_page(uint32_t page_address) void flash_erase_page(uint32_t page_address)