deon/gnuk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

fix

Browse Source
This commit is contained in:
NIIBE Yutaka
2012-05-23 15:48:49 +09:00
parent b1cc1ec6f6
commit dec12d4b15
2 changed files with 9 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
regnual/sys.c
View File

@@ -351,6 +351,8 @@ handler vector_table[] __attribute__ ((section(".vectors"))) = {
#define FLASH_CR_ERRIE 0x0400
#define FLASH_CR_EOPIE 0x1000
#define FLASH_OBR_RDPRT 0x00000002
static int
flash_get_status (void)
{
@@ -430,15 +432,13 @@ flash_write (uint32_t dst_addr, const uint8_t *src, size_t len)
return 1;
}
#define FLASH_OPTION_BYTE_RDP 0x1ffff800
int
flash_protect (void)
{
int status;
uint16_t rdp;
status = flash_wait_for_last_operation (FLASH_PROGRAM_TIMEOUT);
status = flash_wait_for_last_operation (FLASH_ERASE_TIMEOUT);
intr_disable ();
if (status == FLASH_COMPLETE)
@@ -449,7 +449,7 @@ flash_protect (void)
FLASH->CR |= FLASH_CR_OPTER;
FLASH->CR |= FLASH_CR_STRT;
status = flash_wait_for_last_operation (FLASH_PROGRAM_TIMEOUT);
status = flash_wait_for_last_operation (FLASH_ERASE_TIMEOUT);
if (status != FLASH_TIMEOUT)
FLASH->CR &= ~FLASH_CR_OPTER;
}
@@ -458,8 +458,7 @@ flash_protect (void)
if (status != FLASH_COMPLETE)
return 0;
rdp = *(volatile uint16_t *)FLASH_OPTION_BYTE_RDP;
if (rdp == 0x00ff)
if ((FLASH->OBR & FLASH_OBR_RDPRT) != 0)
return 1;
else
return 0;