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memory_protect: fix FLASH_OPTCR check

This commit is contained in:
Pavol Rusnak 2017-08-31 13:43:31 +02:00
parent ef89fc4e89
commit c796800b2b
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1 changed files with 2 additions and 2 deletions
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memory.c
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@ -30,8 +30,8 @@ void memory_protect(void)
#if MEMORY_PROTECT
// Reference STM32F205 Flash programming manual revision 5 http://www.st.com/resource/en/programming_manual/cd00233952.pdf
// Section 2.6 Option bytes
// set RDP level 2 WRP for sectors 0 and 1 flash option control register matches
if (((FLASH_OPTION_BYTES_1 & 0xFFEC) == 0xCCEC) && ((FLASH_OPTION_BYTES_2 & 0xFFF) == 0xFFC) && ((FLASH_OPTCR & 0x0FFFFFEC) == 0x0FFCCCED)) {
// set RDP level 2 WRP for sectors 0 and 1 flash option control register matches
if (((FLASH_OPTION_BYTES_1 & 0xFFEC) == 0xCCEC) && ((FLASH_OPTION_BYTES_2 & 0xFFF) == 0xFFC) && (FLASH_OPTCR == 0x0FFCCCED)) {
return; // already set up correctly - bail out
}
flash_unlock_option_bytes();