| Index

| Reference for Wiring 1.0 (ALPHA) 0021+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know.

Name |  | ### interruptMode()
Examples |  |
    interruptMode(0, RISING); // set the interrupt mode for the external interrupt 0 to RISING
                                // (everytime the pin gets from LOW to HIGH)
Description |  | It is possible to generate and attend external interrupts on the Wiring I/O board. There are 8 external interrupts, from 0 to 7 so there are 8 pins on the Wiring I/O board capable of external interrupts, 0, 1, 2, 3, 36, 37, 38, and 39 respectively. In addition to being regular digital pins, note that pins 0 and 1 are also used for the Wire library (TWI) and pins 2 and 3 are also the Serial1 serial port pins. The interruptMode method sets the mode in which an external interrupt is generated. External interrupts can be triggered at different stages in the value of a pin, LOW when a pin is low, CHANGE when the pin changes, RISING when the pin goes from low to high or FALLING when the pin goes from high to low.
Syntax |  |
    interruptMode(interrupt, mode)
Parameters |  |
interrupt |  | The number of the external interrupt, from 0 to 7
mode |  | LOW, CHANGE, RISING or FALLING: the mode the external interrupt is triggered
Returns |  | None
Usage |  | Application
Related |  | attachInterrupt() detachInterrupt() LOW CHANGE RISING FALLING