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[Examples] Avoid spurious wakeup

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This commit is contained in:
Martino Facchin 2017-07-13 16:56:25 +02:00
parent 71ceedc1d7
commit 5456a1f698
1 changed files with 2 additions and 0 deletions
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2
examples/ExternalWakeup/ExternalWakeup.ino
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@ -21,6 +21,8 @@ const int pin = 8;
void setup() { void setup() {
pinMode(LED_BUILTIN, OUTPUT); pinMode(LED_BUILTIN, OUTPUT);
// Set pin 8 as INPUT_PULLUP to avoid spurious wakeup
pinMode(pin, INPUT_PULLUP);
// Attach a wakeup interrupt on pin 8, calling repetitionsIncrease when the device is woken up // Attach a wakeup interrupt on pin 8, calling repetitionsIncrease when the device is woken up
LowPower.attachInterruptWakeup(pin, repetitionsIncrease, CHANGE); LowPower.attachInterruptWakeup(pin, repetitionsIncrease, CHANGE);
} }