« Return to Thread: Timing on AVR32
Re: Timing on AVR32
by Daniel Fiedler (Ethernut)
::
Rate this Message:
Hi Ole,
yes i think this too. I use the EVK1100.
I'm new to Nut/os so i don't have figured out how board init works exactly yet.
An other possibility:
I have read something about a System Timer with 1ms. This Timer could Maybe to Slow.
Greetings
Daniel
Von meinem iPhone gesendet
Am 16.05.2012 um 12:05 schrieb Ole Reinhardt <ole.reinhardt@...>:
> Hi Daniel,
>
>> I have written an Time-Clock for AVR32. I used an NutTimer with 1000ms
>> timing. But clock counting is twice to slow. I also created a BlinkingLed
>> Thread. With a NutWait command with 150ms wait time but LED blinks slowly.
>> I resume the clock frequency of cpu is set not correctly. Or the system
>> timer of nut/os is to slow.
>
> I've never worked with the AVR32 plattform yet, but it sounds like a
> (wrong) PLL or Clock source setting issue.
>
> Do you use one of the supported development boards or an own setup?
>
> bye,
>
> Ole
>
> --
>
> Thermotemp GmbH, Embedded-IT
>
> Embedded Hard-/ Software and Open Source Development,
> Integration and Consulting
>
> http://www.embedded-it.de
>
> Geschäftsstelle Siegen - Steinstraße 67 - D-57072 Siegen -
> tel +49 (0)271 5513597, +49 (0)271-73681 - fax +49 (0)271 736 97
>
> Hauptsitz - Hademarscher Weg 7 - 13503 Berlin
> Tel +49 (0)30 4315205 - Fax +49 (0)30 43665002
> Geschäftsführer: Jörg Friedrichs, Ole Reinhardt
> Handelsregister Berlin Charlottenburg HRB 45978 UstID DE 156329280
>
> _______________________________________________
> http://lists.egnite.de/mailman/listinfo/en-nut-discussion_______________________________________________
http://lists.egnite.de/mailman/listinfo/en-nut-discussion
yes i think this too. I use the EVK1100.
I'm new to Nut/os so i don't have figured out how board init works exactly yet.
An other possibility:
I have read something about a System Timer with 1ms. This Timer could Maybe to Slow.
Greetings
Daniel
Von meinem iPhone gesendet
Am 16.05.2012 um 12:05 schrieb Ole Reinhardt <ole.reinhardt@...>:
> Hi Daniel,
>
>> I have written an Time-Clock for AVR32. I used an NutTimer with 1000ms
>> timing. But clock counting is twice to slow. I also created a BlinkingLed
>> Thread. With a NutWait command with 150ms wait time but LED blinks slowly.
>> I resume the clock frequency of cpu is set not correctly. Or the system
>> timer of nut/os is to slow.
>
> I've never worked with the AVR32 plattform yet, but it sounds like a
> (wrong) PLL or Clock source setting issue.
>
> Do you use one of the supported development boards or an own setup?
>
> bye,
>
> Ole
>
> --
>
> Thermotemp GmbH, Embedded-IT
>
> Embedded Hard-/ Software and Open Source Development,
> Integration and Consulting
>
> http://www.embedded-it.de
>
> Geschäftsstelle Siegen - Steinstraße 67 - D-57072 Siegen -
> tel +49 (0)271 5513597, +49 (0)271-73681 - fax +49 (0)271 736 97
>
> Hauptsitz - Hademarscher Weg 7 - 13503 Berlin
> Tel +49 (0)30 4315205 - Fax +49 (0)30 43665002
> Geschäftsführer: Jörg Friedrichs, Ole Reinhardt
> Handelsregister Berlin Charlottenburg HRB 45978 UstID DE 156329280
>
> _______________________________________________
> http://lists.egnite.de/mailman/listinfo/en-nut-discussion
http://lists.egnite.de/mailman/listinfo/en-nut-discussion
« Return to Thread: Timing on AVR32
| Free embeddable forum powered by Nabble | Forum Help |
