test_hal_mem.c

这是motorola公司的powerpc芯片上的嵌入式linux上的驱动程序和测试程序

#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>

#include "hal_api.h"

U32 Bm8024RegBase = 0x80000000;

int main(void)
{
	int i;
	U32 val,addr;

	addr = Bm8024RegBase + 6;

	if( 0 > hal_reg_module_init())
	{
		printf("hal mem api initialize failed\r\n");
		return 0;
	}

        for(i=0; i<1; i++)
	{
		printf("read from 0x%x", addr);
		if( -1 <  hal_reg_read(addr, &val))
			printf(" = %x \r\n", val);	
		else
			printf(" ...error\r\n");

		printf("write to 0xffffffff");
		val = 0xffffffff;
		if(-1 < hal_reg_write(addr, &val))
			printf("\n");
		else	
			printf(" ...error\r\n");


                printf("read from 0x%x", addr);
                if( -1 <  hal_reg_read(addr, &val))
                        printf(" = %x \r\n", val);        
                else
                        printf(" ...error\r\n");

		addr++;
	}

	hal_reg_module_release();
	return 0;	

}