[Tinyos-help] GPIO and radio

[Michael Schippling]

I use PortB 5,6 for PWM output on mica2 under T1 with no problems.
If you're just trying to make continuous pulses see my code:
     http://www.etantdonnes.com/Motes/AVR128timers.zip
I believe the INT pins are only used by the micasb board.
Perhaps you have a timing or interrupt latency problem?

MS

Saikat Ray wrote:
> HI,
> 
> Do the GPIO pins (INT0-INT3) somehow interfere with the radio? I am
> creating a square wave from each of the pins (by using, say,
> PortE4.set() and PortE4.clr() alternately in a timer.fired()
> function). However if the square wave is on, then the radio does not
> seem to receive packets. Any input is appreciated.
> 
> Thanks in advance.
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-- 
Platform: WinXP/Cygwin
TinyOS version: 1.x, Boomerang
Programmer: MIB510
Device(s): Mica2, MicaZ, Tmote
Sensor board: homebrew