Hi, I just made the port of TinyOS-2.1.2-rc1 for the Zigduino platform, 
an arduino clone with atmega128rfa1 chip. The porting was pretty simple 
since the atm128rfa1 is already supported. The only issue I had was 
related to the missing RTC on the zigduino which is used by TimerMilli 
and Alarm62khz components. I made everything work by applying the 
following changes:
  - I re-wired AlarmMilli32C and CounterMilli32C to AlarmMicro32C and 
CounterMicro32C respectively
  - I used AlarmMicro32C and LocalTimerMicroC in the RFA1DriverLayerC
  - I redefined TRadio as TMicro and set RADIO_ALARM_MICROSEC to 1 and 
RADIO_ALARM_MILLI_EXP to 0 in RadioConfig.h

With these changes I've been able to successfully run Blink, 
RadioCountToLeds,tests/TestNetworkLPL and tutorial/Printf . However I 
think there is a cleaner way to get the millitimer and 62khz timer to 
properly work on zigduino. In particular I think there is a way to tell 
tinyos to use the XTAL1 instead of OSC1 at least for Alarm62khz.  I 
tried to set SYM_TIMER_MODE   to  ATMRFA1_CLKSC_XTAL in TimerConfig.h 
but it has not worked. Probably I missed some steps but I get lost with 
all those timers :S
Does somebody have any suggestion?

Ugo

p.s. I put my code on: http://code.google.com/p/zigduino-tinyos/




-- 
Ugo Maria Colesanti
Dipartimento di Informatica e Sistemistica
Sapienza Universita' di Roma
Via Ariosto 25, II floor, room B221
00185, Rome
http://wiserver.dis.uniroma1.it/cms/index.php?id=8
Phone:  +39 06 77274003
Fax:    +39 06 77274002

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