timer.c

实现120无传感器变频输出

/******************************************************
File name: timer.c
Description:

Current version: V1.00.00
Author: WangRD
The latest modified data:
Replacement version:V1.1
Author:WangRD
The latest modified data:2006-7-11 22:03
CPU type: M30263F8

Copyright	Renesas System Solutions (Beijing) Co.,Ltd
******************************************************/

#include "timer.h"

#include "simbemfinput.h"

//2006-7-11 21:45
#ifdef F20MHz
const UINT_16 TA3VAL =  6250 - 1; // 20000000/32/100(Hz)
#else
const UINT_16 TA3VAL =  5000 - 1; // 16000000/32/100(Hz)
#endif
//end of 2006-7-11 21:45
void timer_TA3_ini(void)
{
	STP_TA(3);		/* stop ta3 */
	
	ta3mr = 0x80;	/* setting ta3 as timer mode, 32 division */
	
	ta3 = TA3VAL;	/* setting the reload value for ta3 */

	//2006-7-11 21:45
	ta3ic = 0x00;	/* disable ta3 underflow interruption */
	
	STA_TA(3);		/* start ta3*/
	//end of 2006-7-11 21:45
}

#ifdef F20MHz

const UINT_16 TB1VAL = 1000;	//20000000/20000

#else

const UINT_16 TB1VAL =  800;		//16000000/20000

#endif
void timer_TB1_ini(void)
{
	STP_TB(1);				/* stop tb1 */
	
	tb1mr = 0x00;			/* timer mode, no-division */
	
	tb1 = TB1VAL - 1; 		/* setting the reload value for tb1 */    
	
	tb1ic = 0x07;			/* 7-level interruption*/
	
	STA_TB(1);				/* start tb1 */
}


/*tb1 interrupt entry  50us */
extern void pwm_tujo_cal(void);/* BEMF sampling */

void timer_tb1(void)
{
	
//	#ifdef DEBUG_SIM
//		TIMEBASETEST;
//	#endif      	     
	#ifndef  EXTINT4kHz
		#ifndef  EXTINT4kHz_2
	
			pwm_tujo_cal();
			
		#endif
	#endif
	
	
	//#define SIM
	#ifdef SIM
	sim_posinfo();
	#endif
	
//	#ifdef DEBUG_SIM
//		TIMEBASETEST;
//	#endif
	
}



/* The following is  no use now !*/

#ifdef EXTINT4kHz
void timer_TA0_ini(void)
{
	STP_TA(0);
	
	ta0mr = 0x80;
	
	ta0 = 0xffff;
	
	ta0ic = 0x00;
	
	//STA_TA(0);
}
#endif

#ifdef EXTINT4kHz_2
void timer_TA0_ini(void)
{
	STP_TA(0);
	
	ta0mr = 0x80;	// divided by 32, one-shot mode
	
	ta0 = 0xffff;
	
	ta0ic = 0x07;
}

void timer_TB0_ini(void)
{
	STP_TB(0);
	
	tb0mr = 0x80;	// divided by 32, one-shot mode
	
	tb0 = 0xffff;
	
	tb0ic = 0x07;
}
#endif