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Add higher level flash_program function for f2/f4 to write a buffer into flash.

This commit is contained in:
Fergus Noble 2013-05-10 13:30:32 -07:00 committed by Piotr Esden-Tempski
parent 410be2a39a
commit 4ad30d56b4
2 changed files with 10 additions and 0 deletions
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1
include/libopencm3/stm32/common/flash_common_f24.h
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@ -143,6 +143,7 @@ void flash_program_double_word(u32 address, u64 data);
void flash_program_word(u32 address, u32 data);
void flash_program_half_word(u32 address, u16 data);
void flash_program_byte(u32 address, u8 data);
void flash_program(u32 address, u8* data, u32 len);
void flash_wait_for_last_operation(void);
void flash_program_option_bytes(u32 data);

9
lib/stm32/common/flash_common_f24.c
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@ -218,6 +218,15 @@ void flash_program_byte(u32 address, u8 data)
FLASH_CR &= ~FLASH_CR_PG; /* Disable the PG bit. */
}
void flash_program(u32 address, u8* data, u32 len)
{
/* TODO: Use dword and word size program operations where possible for turbo
* speed. */
u32 i;
for (i=0; i<len; i++)
flash_program_byte(address+i, data[i]);
}
void flash_erase_sector(u8 sector, u32 program_size)
{
flash_wait_for_last_operation();