Hi Michael,

On Wed, Jan 26, 2011 at 10:51 PM, Michael Schippling <[email protected]> wrote:
>
>
> Miklos Maroti wrote:
>>
>> Hi Sofia!
>>
>> I know the atmega1281 timers in and out, I am rewriting the timer
>> subsystem (or at least I am writing a new one for the atmega128rfa1).
>>
>> On Wed, Jan 26, 2011 at 4:01 PM, sofia aparicio
>> <[email protected]> wrote:
>>>
>>> Hello,
>>>
>>> I would like to configure in Fast PWM mode without prescaler and
>>> toggling OCR3A,OCR3B and OCR3C at the same time. I do the following:
>>>
>>> SET_BIT(DDRE,3); OCR3A
>>> SET_BIT(PORTE,3);
>>> SET_BIT(DDRE,4); OCR3B
>>> SET_BIT(PORTE,4);
>>> SET_BIT(DDRE,5); OCR3C
>>> SET_BIT(PORTE,5);
>>
>> Seems ok, but not sure how you access those pins. How did you verified
>> that your code does not work? You cannot be sure that these pins are
>> available on the 51-pins.
>>
>
> All of Port E (and most of A-G, except what is used on-board)
> is brought out on the 51 pin connector on mica devices.
> Presumably the IRIS uses the same layout. Here's my cheat:
>    http://www.etantdonnes.com/Motes/ATMEGApins.txt

Great. Would be nice to add this to the tinyos wiki, but I have no
time for that. We have a complete list of pins (mts300 and mts400
boards as well), would be nice to upload that. I will try to compare
yours with ours.

> Great that you know the timers! It sure would be nice to have
> TOS support for more of the micro-controller features. And to
> know which are already being used (I had to reverse engineer
> which Timers were used in T1...) I already ref'd my humble
> attempts at PWM and Capture in this thread if it's of any
> use to you, see under Motes above...

Miklos

>
> MS
>

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