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Code Issues Releases Wiki Activity

Fixed nrf52 flash access

pull/1/head
Daniele Lacamera 2018-10-25 08:19:54 +02:00
parent 62fcc55285
commit c5f644f97e
1 changed files with 13 additions and 15 deletions
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28
hal/nrf52.c
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@ -54,11 +54,13 @@ static void flash_wait_complete(void)
int hal_flash_write(uint32_t address, const uint8_t *data, int len)
{
int i;
NVMC_CONFIG = NVMC_CONFIG_WEN;
flash_wait_complete();
/* Set 8-bit write */
for (i = 0; i < len; i++) {
((uint8_t *)(address))[i] = data[i];
int words = (len + 3) / 4;
uint32_t *src = (uint32_t *)data;
uint32_t *dst = (uint32_t *)address;
for (i = 0; i < words; i ++) {
NVMC_CONFIG = NVMC_CONFIG_WEN;
flash_wait_complete();
dst[i] = src[i];
flash_wait_complete();
}
return 0;
@ -75,16 +77,12 @@ void hal_flash_lock(void)
int hal_flash_erase(uint32_t address, int len)
{
int start = -1, end = -1, i;
uint32_t end_address = address + len;
start = (address / FLASH_PAGE_SIZE);
if (start == 0)
return -1;
end = end_address / FLASH_PAGE_SIZE;
NVMC_CONFIG = NVMC_CONFIG_EEN;
flash_wait_complete();
for (i = start; i <= end; i++) {
NVMC_ERASEPAGE = i;
uint32_t end = address + len;
uint32_t p;
for (p = address; p <= end; p += FLASH_PAGE_SIZE) {
NVMC_CONFIG = NVMC_CONFIG_EEN;
flash_wait_complete();
NVMC_ERASEPAGE = p;
flash_wait_complete();
}
return 0;