Further question with memory mapped interface

Question

I still have some issues with my c code that deals with an memory mapped device. At the moment I declare the address space for the registers I write as volatile pointer and I wr

Answer 1

That would be just fine IMHO. I sometimes use macros like:

#define WR_REG     *(volatile unsigned int*)0x40000000

This allows the registers to be used sort of like variables:

WR_REG = 0x12345678;