#else /* VECT_TAB_FLASH */ /* Set the Vector Table base location at 0x08000000 */ NVIC_...
Here are definitions for Mega from arduino-1.8.3/hardware/tools/avr/avr/include/avr/iomxx0_1.h #define USART0_RX_vect _VECTOR(25) #define USART0_UDRE_vect _VECTOR(26) This program will get the same error #include <SerialPort.h> // use NewSerial for port 0 USE_NEW_SERIAL; void s...