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Fix stm32 eeprom handling (#205)

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* Update stm32_platform.cpp

Addresses a side effect of https://github.com/thelsing/knx/pull/177, which causes the eeprom buffer to be overwritten every time getEepromBuffer is called. This prevented programming of STM32 boards as their initial bus address was lost before programming.

* Code style fix
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rueckix 2022-04-30 22:15:16 +02:00 committed by GitHub
parent eb963583ee
commit 3948045c28
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1 changed files with 13 additions and 8 deletions
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src/stm32_platform.cpp
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@ -31,17 +31,22 @@ void Stm32Platform::restart()
} }
uint8_t * Stm32Platform::getEepromBuffer(uint16_t size) uint8_t * Stm32Platform::getEepromBuffer(uint16_t size)
{
// check if the buffer already exists
if (_eepromPtr == nullptr) // we need to initialize the buffer first
{ {
if (size > E2END + 1) if (size > E2END + 1)
{ {
fatalError(); fatalError();
} }
_eepromSize = size; _eepromSize = size;
delete [] _eepromPtr;
_eepromPtr = new uint8_t[size]; _eepromPtr = new uint8_t[size];
eeprom_buffer_fill(); eeprom_buffer_fill();
for (uint16_t i = 0; i < size; ++i) for (uint16_t i = 0; i < size; ++i)
_eepromPtr[i] = eeprom_buffered_read_byte(i); _eepromPtr[i] = eeprom_buffered_read_byte(i);
}
return _eepromPtr; return _eepromPtr;
} }