In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Beau Schwabe wrote:

Matthias09,

Your 25 samples assumes that the [green]DataBuffer[/green] and [green]Avg[/green] start out as Zero.

On your very first sample do this...

Avg = New
DataBuffer = Avg * Samples

... and then apply this to any samples that follow...

DataBuffer = DataBuffer - Avg + New
Avg = DataBuffer / Samples

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