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Wiring ForumProgramming Questions & HelpPrograms › attachInterrupt()

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attachInterrupt() (Read 3940 times)
11/19/08 at 00:58:55

jdwang   Offline
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As the interrupt pins are 0~3 and 36~39, my program sould work if I had attachInterrupt(36,xx_fun,HIGH); right?

if not, whatelse should be actived ?

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Reply #1 - 11/19/08 at 19:38:56

barragan   Offline
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interrupts are numbered from 0 to 7 (on pins 0-3 and 36-39). The interrupt number is what is needed in the attachInterrrupt() method, so if you want to use the interrupt 4 (pin 36) it should be

attachInterrupt(4, xx_fun, HIGH);

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