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Merge pull request #71 from wolfSSL/lpc_fix 

LPC: Fix aligned page address write
pull/72/head
David Garske 2020-07-14 15:28:27 -07:00 committed by GitHub
parent 9ea5002122 8187f9f159
commit d31bfc2032
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 4 deletions
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8
hal/lpc.c
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@ -106,19 +106,19 @@ static uint8_t flash_page_cache[FLASH_PAGE_SIZE];
int RAMFUNCTION hal_flash_write(uint32_t address, const uint8_t *data, int len) int RAMFUNCTION hal_flash_write(uint32_t address, const uint8_t *data, int len)
{ {
int w = 0;
int ret;
int idx = 0; int idx = 0;
uint32_t page_address; uint32_t page_address;
uint32_t offset; uint32_t offset;
int size; int size;
while (idx < len) { while (idx < len) {
page_address = ((address + idx) / FLASH_PAGE_SIZE) * FLASH_PAGE_SIZE; page_address = ((address + idx) / FLASH_PAGE_SIZE) * FLASH_PAGE_SIZE;
offset = address - page_address; if(address > page_address)
offset = address - page_address;
else
offset = 0;
size = FLASH_PAGE_SIZE - offset; size = FLASH_PAGE_SIZE - offset;
if (size > (len - idx)) if (size > (len - idx))
size = len - idx; size = len - idx;
if (size > 0) { if (size > 0) {
memcpy(flash_page_cache, (void *)page_address, FLASH_PAGE_SIZE); memcpy(flash_page_cache, (void *)page_address, FLASH_PAGE_SIZE);
memcpy(flash_page_cache + offset, data + idx, size); memcpy(flash_page_cache + offset, data + idx, size);