Using port 5 as I/O's

Hi all,

I've have been been looking at the TINI as part of my final year project 
of my masters degree. As part of this I carried out some simple tests 
looking at the capabilities of using Port 5 as I/O's. I found that minim 
time to switch form high to low and back to high was approximately 1.7 
ms (600Hz). This was implemented using the Java Class 
com.dalsemi.system.BitPort. This seemed relatively slow so i wrote 
comparative C code which directly programmed the register, which 
unsurprisingly was faster and took about 2.3 micro sec (400kHz). This 
however seems disproportional faster. So was wondering if anyone could 
give me a explanation to what is taking the time when using the BitPort 
class implementation and if there is any better way of using the bits on 
port 5 as I/O's using Java?

Regards

Chris


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