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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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21
src/stm32_platform.cpp
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@ -32,16 +32,21 @@ void Stm32Platform::restart()
uint8_t * Stm32Platform::getEepromBuffer(uint16_t size)
{
if (size > E2END + 1)
// check if the buffer already exists
if (_eepromPtr == nullptr) // we need to initialize the buffer first
{
fatalError();
if (size > E2END + 1)
{
fatalError();
}
_eepromSize = size;
_eepromPtr = new uint8_t[size];
eeprom_buffer_fill();
for (uint16_t i = 0; i < size; ++i)
_eepromPtr[i] = eeprom_buffered_read_byte(i);
}
_eepromSize = size;
delete [] _eepromPtr;
_eepromPtr = new uint8_t[size];
eeprom_buffer_fill();
for (uint16_t i = 0; i < size; ++i)
_eepromPtr[i] = eeprom_buffered_read_byte(i);
return _eepromPtr;
}