mpu_util.cpp File Reference

Detailed Description

Date

Feb 26, 2021

Author

Matthew Kennedy, (c) 2021

Definition in file mpu_util.cpp.

Functions
bool	mcuCanFlashWhileRunning ()
size_t	flashSectorSize (flashsector_t sector)
	Get the size of sector.
uintptr_t	getFlashAddrFirstCopy ()
uintptr_t	getFlashAddrSecondCopy ()

Function Documentation

flashSectorSize()

size_t flashSectorSize

(

flashsector_t

sector

)

Get the size of sector.

Returns

sector size in bytes.

Definition at line 17 of file mpu_util.cpp.

                                             {
    // All sectors on H7 are 128k
    return 128 * 1024;
}

Referenced by intFlashSectorBegin(), and intFlashSectorErase().

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getFlashAddrFirstCopy()

uintptr_t getFlashAddrFirstCopy

(

void

)

Flex Non Volatile Memory is faster than flash It also has smaller pages so it takes less time to erase

There is no remote access to FlexNVM meaning that we cannot erase settings externally

Definition at line 22 of file mpu_util.cpp.

                                  {
    return 0x08100000;
}

getFlashAddrSecondCopy()

uintptr_t getFlashAddrSecondCopy

(

void

)

Definition at line 26 of file mpu_util.cpp.

                                   {
    // Second copy is one sector past the first
    return getFlashAddrFirstCopy() + 128 * 1024;
}

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mcuCanFlashWhileRunning()

bool mcuCanFlashWhileRunning

(

)

Definition at line 12 of file mpu_util.cpp.

                               {
    // We only support dual bank H7, so always allow flash while running.
    return true;
}

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