gnupic: help request for gpal &gpasm for 18F252
Subject:
Re: help request for gpal &gpasm for 18F252
From:
"George M. Gallant" ####@####.####
Date:
11 Dec 2004 23:20:52 +0000
Message-Id: <41BB80E6.4090703@comcast.net>
Carlo,
You might also try sdcc. The pic16 (for the pic18 series of chips) is
quite usable. I have
been using sdcc and assembler with the pic18f252. There are some bugs
but the developer(s)
is fixing problems at a rapid pace. I like being able to compile and
debug using standard C
and then move the code to the target CPU.
Regards,
George
Carlo wrote:
>Hello everybody,
>
>I am a complete newcomer as far as electronics is concerned. I need to
>program pic18f252 for counting the trigger events, which happen at
>random times in the range few microseconds to hundreds of milliseconds,
>and for sending out a signal when such counter reaches a pre-specified
>level (for instance 2000). I am a Debian user and I would like to use
>gputils. I have read the manual, I liked it for its essential style,
>but, on the other hand, I am completely stuck. For instance, how to deal
>with the "input/output" in gpal (ie read my trigger event and send out
>to a pit port the output, in gpal)? I have tried the assembly way, but
>it is an overwhelming effort for my limited skill (especially addressing
>the memory). Where can I find some example of some working and complete
>Gpal code and maybe some tutorial or Brief book? I started reading the
>datasheet from Microchip, but If I keep on with this pace I will not
>meet my very close deadline.
>
>Every suggestion is most welcome.
>
>Bye,
>
>Carlo
>
>
>
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