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Merge pull request #9340 from Josar/fix_gpio

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atmega_common/gpio.c: Fixes GPIO_LOW interrupt
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ZetaR60 2018-06-21 14:08:52 -04:00 committed by GitHub
commit 7b8e3cbd01
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cpu/atmega_common/periph/gpio.c
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@ -174,10 +174,12 @@ int gpio_init_int(gpio_t pin, gpio_mode_t mode, gpio_flank_t flank,
/* apply flank to interrupt number int_num */
if (int_num < 4) {
EICRA &= ~(0x3 << (int_num * 2));
EICRA |= (flank << (int_num * 2));
}
#if defined(EICRB)
else {
EICRB &= ~(0x3 << ((int_num % 4) * 2));
EICRB |= (flank << ((int_num % 4) * 2));
}
#endif