gnupic: Re: [gnupic] in-circuit debugger
Subject:
Re: [gnupic] in-circuit debugger
From:
"Maxim Wexler" ####@####.####
Date:
5 Feb 2007 18:13:19 +0000
Message-Id: <a0811460702051012q2e1ecb4avb0d5c70cd617c1c3@mail.gmail.com>
>
> Which suggests to me that the real PIC in the hardware is not seeing the
> switch like the simulated one does. You say it's debounced in hardware -
> what circuit are you using? Have you verified that the actual voltage at
> the actual PIC pin does swing from 0 to 5V when you press the button?
> --
> Rob Pearce http://www.bdt-home.demon.co.uk
>
>
<blushes>
There are two faults. 1) the switch(NO-PB with a pullup to 5V and a
diode/cap/R combo between it and RB5) was mis-wired. 2) the logic is
backwards -- you have to push the button and hold it in order to see the
display.
Maxim
