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add commitNonVolatileMemory overload to batch write chars n times to flash

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This commit is contained in:
Ing-Dom 2023-01-20 15:18:41 +01:00
parent 9894a8c8b8
commit 6a1b70c558
2 changed files with 32 additions and 0 deletions
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31
src/knx/platform.cpp
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@ -201,6 +201,37 @@ uint32_t Platform::writeNonVolatileMemory(uint32_t relativeAddress, uint8_t* buf
}
}
// writes value repeat times into flash starting at relativeAddress
// returns next free relativeAddress
uint32_t Platform::writeNonVolatileMemory(uint32_t relativeAddress, uint8_t value, size_t repeat)
{
if(_memoryType == Flash)
{
while (repeat > 0)
{
loadEraseblockContaining(relativeAddress);
uint32_t start = _bufferedEraseblockNumber * (flashEraseBlockSize() * flashPageSize());
uint32_t end = start + (flashEraseBlockSize() * flashPageSize());
uint32_t offset = relativeAddress - start;
uint32_t length = end - relativeAddress;
if(length > repeat)
length = repeat;
memset(_eraseblockBuffer + offset, value, length);
_bufferedEraseblockDirty = true;
relativeAddress += length;
repeat -= length;
}
return relativeAddress;
}
else
{
memset(getEepromBuffer(KNX_FLASH_SIZE)+relativeAddress, value, repeat);
return relativeAddress+repeat;
}
}
void Platform::loadEraseblockContaining(uint32_t relativeAddress)
{
int32_t blockNum = getEraseBlockNumberOf(relativeAddress);

1
src/knx/platform.h
View File

@ -70,6 +70,7 @@ class Platform
virtual void commitNonVolatileMemory();
// address is relative to start of nonvolatile memory
virtual uint32_t writeNonVolatileMemory(uint32_t relativeAddress, uint8_t* buffer, size_t size);
virtual uint32_t writeNonVolatileMemory(uint32_t relativeAddress, uint8_t value, size_t repeat);
NvMemoryType NonVolatileMemoryType();
void NonVolatileMemoryType(NvMemoryType type);