I am trying to implement an interrupt driven Serial interface on both
UART1 and UART4 useing the Microchip C32 compiler and am getting this
error:

uart_interrupt.c:174:1: error: Vector number must be an integer between 0 a=
nd 63

with this code snippet:

void __ISR(_UART4_VECTOR, ipl2) IntUart2Handler(void)
{
	// Is this an RX interrupt?
	if(INTGetFlag(INT_SOURCE_UART_RX(UART4)))
	{
		// Clear the RX interrupt Flag
	    INTClearFlag(INT_SOURCE_UART_RX(UART4));

		// Echo what we just received.
		PutCharacter(UARTGetDataByte(UART4));


		// Toggle LED to indicate UART activity
		mPORTAToggleBits(BIT_7);

	}

	// We don't care about TX interrupt
	if ( INTGetFlag(INT_SOURCE_UART_TX(UART4)) )
	{
		INTClearFlag(INT_SOURCE_UART_TX(UART4));
	}
}

It compiles fine for UART1and UART2 but not UART4.

Any Idea what I am missing, or  is UART4 not supported by interrupts?

Thanks
Chris
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