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支持f0 flash读保护

This commit is contained in:
WangQiang 2016-04-19 03:03:41 +00:00
parent 7b907acbd0
commit 5de32c89e3
1 changed files with 48 additions and 2 deletions
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50
Flash.cpp
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@ -140,20 +140,66 @@ if(FLASH_GetReadOutProtectionStatus() != RESET)
{
FLASH_Unlock();
FLASH_ReadOutProtection(DISABLE);
* @arg OB_RDP_Level_0: No protection
* @arg OB_RDP_Level_1: Read protection of the memory
* @arg OB_RDP_Level_2: Chip protection
* @retval FLASH Status: The returned value can be:
* FLASH_ERROR_PROGRAM, FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT.
FLASH_Status FLASH_OB_RDPConfig(uint8_t OB_RDP)
}*/
bool Flash::ReadOutProtection(bool set)
{
bool isProt = FLASH_GetReadOutProtectionStatus()== SET ? true:false;
#if defined(STM32F1)
bool isProt = FLASH_GetReadOutProtectionStatus() == SET ? true : false;
if (isProt == set)return isProt;
if (set)
{
// FLASH_Unlock(); // 多处资料都写了这一行并注释了
FLASH_ReadOutProtection(ENABLE);
}else
}
else
{
// 取消读保护会清空 Flash 内容，注意：要上电复位才可以使用IC
FLASH_Unlock();
FLASH_ReadOutProtection(DISABLE);
}return set;
#endif
#if defined(STM32F0)
bool isProt = FLASH_OB_GetRDP() == SET ? true : false;
if (isProt == set)return isProt;
if (set)
{
FLASH_OB_Unlock();
FLASH_OB_RDPConfig(OB_RDP_Level_1);
// FLASH_OB_RDPConfig(OB_RDP_Level_2);
/* Warning: When enabling read protection level 2
it's no more possible to go back to level 1 or 0
* OB_RDP_Level_0: No protection
* OB_RDP_Level_1 : Read protection of the memory
* OB_RDP_Level_2 : Chip protection */
FLASH_OB_Lock();
}else
{
// 取消读保护会清空 Flash 内容，注意：要上电复位才可以使用IC
FLASH_Unlock();
FLASH_OB_RDPConfig(OB_RDP_Level_0);
FLASH_OB_Lock();
}return set;
#endif
}