e10a.c

一个瑞萨单片机的程序。。。供大家学习用。。。。。。。。。。。。。。。。。。

/*""FILE COMMENT""*************************************************************
 * System Name : for eduction (NO TRANSFERRING)
 * File Name   : e10a.c
 * Contents    : embedded C language entrance course
 *             : exercise 10A: make interrupt program
 * Model       : for OAKS8-LCD Board
 * CPU         : R8C/Tiny series
 * Compiler    : NC30WA	V.5.30 Release 1
 * OS          : not be used
 * Programmer  : RENESAS Semiconductor Training Center
 * Note        : for OAKS8-R5F21114FP(R8C/11 group,20MHz)
 ****************************************************************************
 * COPYRIGHT(C) 2004 RENESAS TECHNOLOGY CORPORATION  
 *               AND RENESAS SOLUTIONS CORPORATION ALL RIGHTS RESERVED
 ****************************************************************************
 * History     : 
 *""FILE COMMENT END""*******************************************************/

/*===== include file =====*/
#include "defs.h"			/* define common symbol							*/
#include "target.h" 		/* SFR definition file							*/
#include "ledutl.h"			/* header file control LED					*/
#include "intr_i0.h"		/* header file control interrupt					*/

/*===== define macro =====*/


/*===== define function prototype =====*/
void main(void);                        /* main function                         */

/*===== define variable =====*/


/*""FUNC COMMENT""*************************************************************
* ID            : 1.0
* function name : void main(void)
* function      : display number of times that SW5 is pushed at LED0
* parameter     : none
* return        : none
* function used : LED__initialize, int0_initialize, LED__puthex
* notice        : none
* History       : ---
*""FUNC COMMENT END""*********************************************************/
void main(void)
{

}


/*""FUNC COMMENT""*************************************************************
* ID            : ---
* function name : void int0_initialize( void )
* function      : initialize INT0 interrupt
* parameter     : none
* return        : none
* function used : none
* notice        : none
* History       : ---
*""FUNC COMMENT END""*********************************************************/
static void int0_initialize(void)		/* define function to initialize INT0 interrupt	*/
{
	int0f  = 0x03;		/* set INT0 input filter selection register			*/
						/* xxxxx011										*/
						/*      |++---- has filter, sampling with f32	*/
						/*		+------ reservation bit						*/
	int0ic = 0x01;		/* set INT0 interrupt control register				*/
						/* xx000001                         			*/
						/*   |||+++---- interrupt priority level  			*/
						/*   ||+------- interrupt request bit  			*/
						/*   |+-------- polarity exchange bit  			*/
						/*   |         (select drop edge) 			*/
						/*   +--------- reservation bit          			*/
	int0en = SET;		/* INT0 interrupt permission 									*/
}


/*""FUNC COMMENT""*************************************************************
* ID            : ---
* function name : void INTint0(void)
* function      : count when INT0 interrupt occurs
*          : (called by INT0 interrupt program when edge is input to INT0 port)
* parameter     : none
* return        : none
* function used : none
* notice        : interrupt function called by interrupt program
*               : use global variable Counter
* History       : ---
*""FUNC COMMENT END""*********************************************************/
void INTint0(void)								/* define INT0 interrupt function	*/
{

}


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    end of file
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