Re: [Sdcc-user] What is wrong with this?

[Jon M. <ja...@we...>]

Try declaring the xm routine to take a pointer, not an array:

void xm(xdata byte* file);

I believe the problem is that it tries to pass the entire array on the stack 
when you declare the function to take an array argument.

-Jon


On Mon, Jun 17, 2002 at 10:15:48AM -0700, George Farris wrote:
> When I try the following code under linux (without the xdata) it works
> fine but when I compile and run on the 8051 board putchar(file[0])
> prints nothing.
> 
> Is passing an array to a function broken or different?
> 
> 
> #include <8051.h>
> #include <stdio.h>
> 
> typedef unsigned char byte;
> 
> // Function prototypes
> void xm(xdata byte file[]);
> 
> // Global vars
> xdata byte abuf[10000];
> 
> void xm(xdata byte file[]) {
> 	putchar(file[0]);
> }
> 
> int main(void) {
> 	abuf[0] = 'G';
> 	xm(abuf);
> }
> 
> -- 
> George Farris - VE7FRG
> Ge...@gm...
> 
> 
> 
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