romtest.c

来自「瑞萨H8系列芯片内置rom读写测试」· C语言 代码 · 共 44 行

/***********************************************************************/
/*                                                                     */
/*  FILE        :romtest.c                                             */
/*  DATE        :Sat, Feb 07, 2004                                     */
/*  DESCRIPTION :Main Program                                          */
/*  CPU TYPE    :H8/3694F                                              */
/*                                                                     */
/*  This file is generated by Renesas Project Generator (Ver.3.0).     */
/*                                                                     */
/***********************************************************************/
                  


#ifdef __cplusplus
extern "C" {
#endif
void abort(void);
#ifdef __cplusplus
}
#endif


void abort(void)
{
	
}

void main(void)
{
	volatile unsigned int i;

	volatile unsigned char *pdr = (unsigned char *)0xffdb;  /* PDR8 */


	*(unsigned char *)0xffeb = 0x06; /* PCR8 */

	while(1){
		*pdr = (unsigned char)0x02;
		for ( i = 0; i < 40000; i++);
		*pdr = (unsigned char)0x04;
		for ( i = 0; i < 40000; i++);
	}
}