Is it "_UART4_VECTOR" C32 complaints about ?
If so, what is the value of that symbol ?



Chris Roper wrote 2011-11-21 12:05:
> 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=
 and 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
--=20
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.