[ts-7000] Re: Functions for Peeking and Poking Memory and I/O

["ccc_mindsz" <>]

Hi,

I'm trying to use the peekpoke.h functions in a C program, but every time I try 
to use them the SBC stops working and I don't know why.

I'm including the -mcpu=arm9 flag and I can run inline assembly with no 
problems as long as I don't try to peek or poke.

Any help is greatly appreciated.

The following is a small part of what I'm trying to accomplish, but it freezes 
every time I try to run it:

----------------------------------------------------------------------
#include <stdio.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <unistd.h>
#include "peekpoke.h"

int main(void){

 unsigned long address = 0x80840004;
 unsigned long val;
 int dev_mem;

 dev_mem = open("/dev/mem", O_RDWR|O_SYNC);
 address = (unsigned long) mmap(0, getpagesize(), 
                                PROT_READ|PROT_WRITE,
                                MAP_SHARED, dev_mem,
                                0x80840000);

 val = PEEK32(address + 0x04);

 printf("%X -> %X\n", (unsigned int) address, (unsigned int) val);

  return 0;
}
-------------------------------------------------------------------



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