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Intel: Is bit access control possible with the IOWR function?
Nios II
Category: Nios® II
Tools: Nios® II EDS
device:-
The following methods are possible.
- How to control only the target bit by multiple instances of 1-bit width PIO (Width 1bit Output setting)
- How to mask only the target bit by software as follows
(Description example)
IOWR(base, offset, data);
data = ( IORD & (!(n << 0x1)) ) | (n << 1or0) //n bit you want to access n=1 when you want to access the 1st bit)
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