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How do I configure Acc-5E JIO bits for output?


jfleig
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I can't seem to configure any of the JIO GPIO bits for output.

Acc5E[0].LowIoMode=$ffffff;

Acc5E[0].LowIoDir=$ff;

 

Setting Acc5E[0].LowIoData does not change the state of any of the JIO bits.

They remain input bits.

 

What am I not doing right?

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The answer was found in Sina's pdf and associated code

 

"Using ACC-5E I/O through Power PMAC"

 

The only other thing I had to do to configure the gpio ports for output was to set the buffer control bit for the appropriate byte.

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The answer was found in Sina's pdf and associated code

 

"Using ACC-5E I/O through Power PMAC"

 

The only other thing I had to do to configure the gpio ports for output was to set the buffer control bit for the appropriate byte.

 

Where can I find this pdf file?

I'm having the same problem.

I'm sure its in my not setting the buffer chip direction but I can't find the power pmac address for it (acc5e manual only addresses turbo)

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The answer was found in Sina's pdf and associated code

 

"Using ACC-5E I/O through Power PMAC"

 

The only other thing I had to do to configure the gpio ports for output was to set the buffer control bit for the appropriate byte.

 

Where can I find this pdf file?

I'm having the same problem.

I'm sure its in my not setting the buffer chip direction but I can't find the power pmac address for it (acc5e manual only addresses turbo)

 

It was incredibly difficult for me to find the post with the desired attachments again:

http://forums.deltatau.com/showthread.php?tid=408&pid=3346&highlight=multiplexed+thumbwheel#pid3346

 

The search terms that finally found it were "multiplexed" and "thumbwheel".

Jon

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