Memory_Protection_Unit

MPU library. More...

Classes
struct	MPURegion
struct	MPURegionSettings

Enumerations
enum	MPURegionNumber {   MPU_REGION_0 , MPU_REGION_1 , MPU_REGION_2 , MPU_REGION_3 ,   MPU_REGION_4 , MPU_REGION_5 , MPU_REGION_6 , MPU_REGION_7 ,   NUM_MPU_REGIONS }
enum	MPUAccessPerm {   MPU_ACCESS_NONE , MPU_ACCESS_PRIV_RW , MPU_ACCESS_PRIV_RW_URO , MPU_ACCESS_FULL ,   MPU_ACCESS_PRIV_RO = 0x05 , MPU_ACCESS_PRIV_RO_URO }

Functions
StatusCode	mpu_configure_region (MPURegion *region, MPURegionSettings *settings)
	Configures MPU region with given settings. More...
StatusCode	mpu_enable_region (MPURegionNumber region_number)
	Enables given region. More...
StatusCode	mpu_disable_region (MPURegionNumber region_number)
	Disables given region. More...
StatusCode	mpu_init (void)
	Enables or Disables MPU with default memory access. More...

Detailed Description

MPU library.

Function Documentation

mpu_configure_region()

StatusCode mpu_configure_region	(	MPURegion *	region,
		MPURegionSettings *	settings
	)

Configures MPU region with given settings.

Parameters

region	Pointer to which MPU region to configure
settings	Pointer to MPU region configuration settings

Returns

STATUS_CODE_OK if MPU initialization succeeded STATUS_CODE_INVALID_ARGS if one of the parameters are incorrect

mpu_disable_region()

StatusCode mpu_disable_region

(

MPURegionNumber

region_number

)

Disables given region.

Parameters

region_number

Number of MPU region to disable

Returns

STATUS_CODE_OK if mpu region was successfully disabled STATUS_CODE_INVALID_ARGS if one of the parameters are incorrect

mpu_enable_region()

StatusCode mpu_enable_region

(

MPURegionNumber

region_number

)

Enables given region.

Parameters

region_number

Number of MPU region to enable

Returns

STATUS_CODE_OK if mpu region was successfully enabled STATUS_CODE_INVALID_ARGS if one of the parameters are incorrect

mpu_init()

StatusCode mpu_init

(

void

)

Enables or Disables MPU with default memory access.

Returns

STATUS_CODE_OK if MPU initialization succeeded