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Hello,
I'm a newbie. I'm having trouble with the interrupt pin. I'm trying to perform a function when the interrupt pin goes high. I was under the impression that using pin.mode(PullUp) and pin.mode(PullNone) will pull it up to Vcc or high. However, my mbed doesn't do that. It just stays at the default low value. I tried using digital and AnalogIn just to verify but those don't seem to be pulling high either. Here's basically what i'm doing,
InterruptIn pin(p19);
pin.mode(PullUp); pin.mode(PullNone);
Some function..
I may be using these incorrectly. Any help that can be rendered is much appreciated.