Hi
Currently I'm using IRIS and a MDA100CB board. I want to use the INT3 on the
MDA100CB and I think that the INT3 in the MDA100CB is connected to the INT3 of
the Atmega1281 on IRIS. I want to trigger the interrupt in a rising edge and
for test, I have a 3.3k resistor between INT3 and GND on MDA100, VCC will touch
INT3 to simulate a button event. My codes are as:
In the init:
command result_t StdControl.init() {
...
sbi(EICRA,ISC31);
sbi(EICRA,ISC30);
sbi(EIMSK,INT3);
...
}
then I have:
TOSH_SIGNAL(SIG_INTERRUPT3){
post button();
}
The task button() is as:
task void button(){
sbi(EIFR,INTF3);
call Leds.yellowToggle();
}
There's no error from make. If everything works well, by touching the VCC to
INT3, I should be able to see the yellow LED toggle. However, this didn't
happen. So what's the correct way to use an external interrupt on IRIS
(basically it is similar to MicaZ)?
Thanks!
Zhen
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