[ECOS] Regarding diag-printf

[Jonathan Larmour]

Rajan Srivastava wrote:
> Hi,
> 
> I have poll-based serial port driver, 
> I want to make it interrupt based, so that
> console-reading library functions
> don't hog CPU repeatedly.

You need to write a "proper" serial driver. You can find ones for various 
platforms under packages/devs/serial. If one doesn't already exist for 
your board you can use one there as a basis, particularly if one uses the 
same serial chip, e.g. 16550.

Jifl
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