hus_kalydonios wrote: >
> I think it's coming from the wiring of my evaluation board. When I set
> EXTPOLAR to falling edge, the ISR fires on rising edge and vice
> versa... Strange.
>
IIRC, there is an errata on programming the external interrupts. I had
a great deal of grief getting them to work on the LPC2138 and thought it
was just my inexperience with the ARM7TDMI core. However, on the
LPC2214 I ran into the same problems. Researching this, I found an
errata sheet for the LPC2214 that explains why the external interrupt
setup wasn't working correctly.
Try looking on the NXP website for any errata sheets.
I think it's coming from the wiring of my evaluation board. When I set
EXTPOLAR to falling edge, the ISR fires on rising edge and vice
versa... Strange.
Thanks anyway.
Reply by hus_kalydonios●June 1, 20072007-06-01
Hi All,
I'm having a problem with an EINT interrupt. It's set for rising
edge, but only enters the ISR on falling edge. I can't see where I've
gone wrong. I'm using freeRTOS. Here is my code: