tid1_fixcyc_main.c

瑞萨CAN通讯单片机程序

/*""FILE COMMENT""*****************************************************
 *	M32R C Programming		Rev. 1.00
 *		 < Sample Program for TID1 fixed cycle count mode (main routine) >
 *
 *	Copyright (c) 2003 Renesas Technology Corporation
 *			   And Renesas Solutions Corporation
 *			   All Rights Reserved
 *********************************************************************/

/************************************************************************/
/*		Include file						*/
/************************************************************************/

#include		"..\inc\sfr32170_pragma.h"

/************************************************************************/
/*		Function prototype declaration				*/
/************************************************************************/

	void		main(void);				/* Main function */
	void		init_func(void);			/* Initial setup function */
	void		port_init(void);			/* Initialize port */
	void		timer_init(void);			/* Timer initialization */
	void		TID1_FixCycInt(void);			/* Fixed cycle interrupt processing */

/************************************************************************/
/*		Definition of external reference			*/
/************************************************************************/

extern	void		DisInt( void);				/* Interrupt disable function */
extern	void		EnInt( void);				/* Interrupt enable function */

extern	void		TID1_FixCyc_init( void);		/* Initialize TID1 fixed cycle count mode */

/*""FUNC COMMENT""*******************************************************
 * Function name: timer_init()
 *-----------------------------------------------------------------------
 * Description	: Timer initialization
 *-----------------------------------------------------------------------
 * Argument	: -
 *-----------------------------------------------------------------------
 * Returns	: -
 *-----------------------------------------------------------------------
 * Notes	:
 *""FUNC COMMENT END""***************************************************/
void timer_init(void)
{
	PRS4 = ( 100 - 1);					/* Set prescaler(10us@10MHz) */
}

/*""FUNC COMMENT""*******************************************************
 * Function name: port_init()
 *-----------------------------------------------------------------------
 * Description	: Initialize port
 *-----------------------------------------------------------------------
 * Argument	: -
 *-----------------------------------------------------------------------
 * Returns	: -
 *-----------------------------------------------------------------------
 * Notes	:
 *""FUNC COMMENT END""***************************************************/
void port_init(void)
{
	P11DATA = 0x00;						/* Output data (must be set prior to mode) */
	P11DIR = 0xff;						/* P110-P117 : Output mode */
	P11MOD = 0x00;						/* P110-P117 : Input/output port */
}

/*""FUNC COMMENT""*******************************************************
 * Function name: init_func()
 *-----------------------------------------------------------------------
 * Description	: Call various initialization functions
 *-----------------------------------------------------------------------
 * Argument	: -
 *-----------------------------------------------------------------------
 * Returns	: -
 *-----------------------------------------------------------------------
 * Notes	:
 *""FUNC COMMENT END""***************************************************/
void init_func(void)
{
	timer_init();						/* Initialize those related to timer */
	port_init();						/* Initialize those related to port */
}

/*""FUNC COMMENT""*******************************************************
 * Function name: main()
 *-----------------------------------------------------------------------
 * Description	: While using TID1 in fixed cycle count mode, this function generates an interrupt at intervals of.
 * 		: 50 ms (when the source clock frequency = 10 MHz) to increment the LED (port 11) data.
 *-----------------------------------------------------------------------
 * Argument	: -
 *-----------------------------------------------------------------------
 * Returns	: -
 *-----------------------------------------------------------------------
 * Notes	:
 *""FUNC COMMENT END""***************************************************/
void main(void)
{
/*** Initializing microcomputer ***/

	init_func();

	DisInt();						/* Disable interrupt */

	TID1_FixCyc_init();					/* Start TID1 count */

	EnInt();						/* Enable interrupt */

	while( 1 );						/* Wait for interrupt (infinite loop) */
}

/*""FUNC COMMENT""*******************************************************
 * Function name: TID1_FixCycInt()
 *-----------------------------------------------------------------------
 * Description	: Process fixed cycle interrupt
 *-----------------------------------------------------------------------
 * Argument	: -
 *-----------------------------------------------------------------------
 * Returns	: -
 *-----------------------------------------------------------------------
 * Notes	: - 
 *""FUNC COMMENT END""***************************************************/
void	TID1_FixCycInt()
{
	P11DATA++;						/* Increment port in interrupt generated */
}