Hmm  That pin toggling test isn't exactly fair.  The digitalWrite()
function has a fair amount of overhead to accomplish its task on all the
different platforms.   Error checking, remapping the logical pin to the
chip's physical IO pin (PORTx and bit position), disabling any PWM that
might be on, saving and restoring SREG, disabling interrupts...  I think I
made my point.  ;)

The pinToggle() function (macro) appears to be fully optimized for one
specific platform.  Using direct port manipulation, the Arduino running at
16MHz can toggle an output pin at 4MHz.


-----Original Message-----
From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf
Of Vicent Colomar Prats
Sent: Friday, July 13, 2018 5:48 AM
To: Microcontroller discussion list - Public.
Subject: Re: [PIC] RE: Xpress PIC16F18446 Evaluation Board

I found this small comparative with an Arduino:
https://www.bitsnblobs.com/blog/pic16f18446-vs-arduino-uno-overview-speed-
comparison/


Missatge de Mark E. Skeels <meskeels@gmail.com> del dia dl., 9 de jul.
2018
a les 17:13:

> All,
>
> I am using this Eval board. I soldered a straight pin connector to the
> pads on the bottom of the pcb and after updating my Picket 3 firmware I
> have been able to take the original project (MPLab light?) and export it
> for regular MPLab.
>
> Everything works fine.
>
> Mark
>
>
> On 7/9/2018 9:44 AM, AB Pearce - UKRI STFC wrote:
> >> To debug in the classic way (using the hardware programmer in Mplabx)
> you should dig for more info, I can not help at the momment.
> > The information in the Sensor Board User Guide that goes with the
18446
> X-Press board implies that you can do conventional debug with MPLAB-X.
> Presumably this needs to be the latest version, but they do have other
> X-press boards that are useable in the same way.
> >
> >
> >
> >
>
> --
> Skeels Technical Services
> 9714 Norman Ave.
> Machesney Park, IL 61115
> call or text me at 815-979-6705
>
> --
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> http://mailman.mit.edu/mailman/listinfo/piclist
>
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