[Tinyos-help] Question about printf

[André Miguel de Almeida Marrão Rodrigues]

Hi

I'm using it and would like to have the new versiom.

Regards,

André



----- Original Message ----- 
From: "Kevin Klues" <klueska at gmail.com>
To: "tos" <tinyos-help at Millennium.Berkeley.EDU>; "TinyOS-Devel list" 
<tinyos-devel at Millennium.Berkeley.EDU>
Sent: Friday, September 21, 2007 10:18 PM
Subject: [Tinyos-help] Question about printf


>I wanted to get a sense of how many people out there use the printf
> library provided in TinyOS 2.0.  As its written right now, its not the
> easiest thing to use since an application has to explicitly flush the
> printf buffer itself and any printf commands called while flushing
> will all fail.
>
> My question is whether people would prefer to have a bit more user
> friendly version of printf.  I have an alternate implementation where
> all that needs to be done to use printf is to include tos/lib/printf
> in your include path in your makefile.  No wiring, no nothing.  Just
> call printf() anywhere in your code and see the output spit out over
> the serial line.  Flushing is done automatically, and bytes can also
> be written to the printf buffer while this flush is occurring.  Since
> flushing is only triggered when the print buffer has a certain number
> of bytes in it, explicit flushes are of course possible, by wiring in
> a PrintfFlush interface from the PrintfC component.
>
> The reason I'm bringing all of this up is that this version of the
> printf library is incompatible with the version in previous releases.
> Would people prefer to have this newer version overwrite the current
> one (possibly breaking existing code), or be provided as an alternate
> printf service in some way?  Comments are welcome.
>
> -- 
> ~Kevin
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