- writebuffersize clarified (PR discussion)

- changed alignment from flashpagesize to 32bit
- added override modifier (PR discussion)
- changed comment regarding flash/eeprom functions for plattforms to override/implement (PR discussion)

src/knx/memory.cpp

@@ -92,7 +92,7 @@ void Memory::readMemory()
 void Memory::writeMemory()
 {
     // first get the necessary size of the writeBuffer
-    size_t writeBufferSize = 16;
+    size_t writeBufferSize = _metadataSize;
     for (int i = 0; i < _saveCount; i++)
         writeBufferSize = MAX(writeBufferSize, _saveRestores[i]->saveSize());
 
@@ -375,7 +375,7 @@ void Memory::addToFreeList(MemoryBlock* block)
 
 uint16_t Memory::alignToPageSize(size_t size)
 {
-    size_t pageSize = _platform.flashPageSize();
+    size_t pageSize = 4; //_platform.flashPageSize(); // align to 32bit for now, as aligning to flash-page-size causes side effects in programming
     // pagesize should be a multiply of two
     return (size + pageSize - 1) & (-1*pageSize);
 }

src/knx/platform.h

@@ -57,11 +57,13 @@ class Platform
 
     //Memory
 
-    // --- Legacy support only. Do not use for new plattforms ---
-    // --- can be remove if all plattforms have been changed to support the NonVolatileMemory functions
+    // --- Overwrite these methods in the device-plattform to use the EEPROM Emulation API for UserMemory ----
+    //
+    // --- changes to the UserMemory are written directly into the address space starting at getEepromBuffer
+    // --- commitToEeprom must save this to a non-volatile area if neccessary
     virtual uint8_t* getEepromBuffer(uint16_t size);
     virtual void commitToEeprom();
-      // -------------------------------------------------------------------------------------------------------
+    // -------------------------------------------------------------------------------------------------------
 
     virtual uint8_t* getNonVolatileMemoryStart();
     virtual size_t getNonVolatileMemorySize();

src/rp2040_arduino_platform.h

@@ -23,7 +23,7 @@ public:
     void setupUart();
 
     // unique serial number
-    uint32_t uniqueSerialNumber(); //override; 
+    uint32_t uniqueSerialNumber() override; 
 
     void restart();