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stm32: Avoid alignment issues in flash_read_block()

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Use a regular memcpy() call to avoid issues with pointer alignment.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2022-05-15 18:48:50 -04:00 committed by Eric Callahan
parent 566e9ccf3a
commit 468b756f8d
1 changed files with 5 additions and 7 deletions
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12
src/stm32/flash.c
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@ -4,9 +4,10 @@
//
// This file may be distributed under the terms of the GNU GPLv3 license.
#include "flash.h"
#include "autoconf.h"
#include "internal.h"
#include <string.h> // memcpy
#include "autoconf.h" // CONFIG_MACH_STM32F103
#include "flash.h" // flash_write_page
#include "internal.h" // FLASH
uint32_t
flash_get_page_size(void)
@ -72,8 +73,5 @@ flash_write_page(uint32_t page_address, uint16_t *data)
void
flash_read_block(uint32_t block_address, uint32_t *buffer)
{
uint32_t* block_addr = (uint32_t*)block_address;
for (uint8_t i = 0; i < CONFIG_BLOCK_SIZE / 4; i++)
buffer[i] = block_addr[i];
memcpy(buffer, (void*)block_address, CONFIG_BLOCK_SIZE);
}