Hi,

Did you add the relevant processor lib file to your project?  It has .a file
extension and has the format libp30Fxxxx-coff.a, where xxxx is the
processor.


Best regards,

WH Tan



> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu]On Behalf
> Of Thomas C. Sefranek
> Sent: 05 June 2006 22:46
> To: piclist@mit.edu
> Subject: [PIC] C30 Linker Problem
>
>
> I could use some help with the C30 compiler/linker.
> The compile process works just fine producing .o files.
> The linking process fails.
>
>
> The compiler error:
>
> Executing: "C:\Program Files\Microchip\MPLAB C30\bin\pic30-gcc.exe"
> -Wl,"C:\NP\NeuroLogica\Analog\Software\ISRs.o","C:\NP\NeuroLogica\
> Analog\Sof
> tware\HEX.o","C:\NP\NeuroLogica\Analog\Software\Inits.o",-L"C:\Program
> Files\Microchip\MPLAB C30\lib",--script="C:\Program Files\Microchip\MPLAB
> C30\support\gld\p24HJ256GP206.gld",-o"Hex Analog
> Test.cof",-Map="Hex Analog
> Test.map"
> C:\NP\NeuroLogica\Analog\Software\ISRs.o(.text+0x2c): In function
> `_U2RXInterrupt':
> C:\NP\NeuroLogica\Analog\Software\ISRs.c:72: undefined reference to
> DataRdyUART2'
> C:\NP\NeuroLogica\Analog\Software\ISRs.o(.text+0x3c):C:\NP\NeuroLo
> gica\Analo
> g\Software\ISRs.c:74: undefined reference to `ReadUART2'
>
> Relevant code:
>
> #include <uart.h>			/* UART Functions support. */
>
> //UART_2 Receive ISR
> char UART2Buffer[80];
> char * Received_data = UART2Buffer;
> void __attribute__((__interrupt__)) _U2RXInterrupt(void)
> 	{
> 	IFS1bits.U2RXIF = 0; // Clear the UART2 RX IRQ Flag bit.
> 	while(DataRdyUART2())
> 		{
> 		( *(Received_data)++) = ReadUART2();
> 		}
> 	}
>
> Apparently the compiler knows where the reference is, (uart.h)
> but the linker doesn't?
>
>
>
> For any help:
> Ad(THANKS)vance
>
> Tom
>
>   *
>   |  __O    Thomas C. Sefranek  tcs@cmcorp.com
>   |_-\<,_   Amateur Radio Operator: WA1RHP
>   (*)/ (*)  Bicycle mobile on 145.41MHz PL74.4
>

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist