Hey if the serial monitor (Serial) uses the following pins on the due PIO_PA8 // PIN 0, URXD PIO_PA9 // PIN 1, UTXD why would enabling the port D interrupt stop serial. ie NVIC_EnableIRQ(PIOD_IRQn)

NVIC_EnableIRQ(PIOD_IRQn) disables serial

ard_newbie May 26, 2017, 4:29am 2

Enabling PIOD interrupt doesn't stop Serial.

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