On 16/08/2011 19:36, David wrote:
> All,
>
> I have just started using a 12F617 instead of the larger pin count 18F
> parts.  I am using HiTech in Lite mode.
>
> The code is here: http://pastebin.com/nrQDC224 with the compiled
> version here: http://pastebin.com/kibNLyZx
>
> In main(), I get to line 170 (0x7F9 in the compiled version) and the
> status LED is lit.  I can see this in MPLAB simulator and on the
> target board (if I use a while(1) afterward so it stalls).  However, a
> few cycles later we get back to line 38 (0x765 in ASM) and for some
> reason the entire GPIO port is reset to 0x00.  This happens both in
> the simulator and in the real hardware.
>
> I have tried a number of different code variations for the same thing,
> which all compile to the same.  However, in all cases the GPIO port
> gets set to 0x00.
>
> Is there anything I am doing wrong in the code that means the GPIO
> port is reset?
>
> David

I haven't used this PIC, but don't you need to clear ANSEL too?


--=20
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.