======
Dmx Library for Arduino Due
- Hardware USART and interrupts using. No wasting CPU time
- Simultaneously RX and TX using single USART
Please, open /variants/arduino_due_x/variant.cpp file, then add USART0_Handler method definition like this
void USART0_Handler(void) __attribute__((weak));
The normal path to find this file in platformio is: .platformio/packages/framework-arduinosam/variants/arduino_due_x