timer.c

基于NEC单片的机的程序源码,关于PWM输出的程序.

/*
*******************************************************************************
**
**  This device driver was created by Applilet for the 78K0S/KB1+, 78K0S/KA1+,
**  78K0S/KY1+,78K0S/KU1+ 8-Bit Single-Chip Microcontrollers
**
**  Copyright(C) NEC Electronics Corporation 2002-2006
**  All rights reserved by NEC Electronics Corporation.
**
**  This program should be used on your own responsibility.
**  NEC Electronics Corporation assumes no responsibility for any losses
**  incurred by customers or third parties arising from the use of this file.
**
**  Filename :	timer.c
**  Abstract :	This file implements device driver for the timer module.
**  APIlib :	NEC78K0SKX1+.lib V1.70 [7 Dec. 2006]
**
**  Device :	uPD78F9234
**
**  Compiler :	NEC/CC78K0
**
*******************************************************************************
*/

/*
*******************************************************************************
**  Include files
*******************************************************************************
*/
#include "macrodriver.h"
#include "timer.h"


/*
*******************************************************************************
**  MacroDefine
*******************************************************************************
*/

/*
**-----------------------------------------------------------------------------
**
**  Abstract:
**	This function initializes TMH1 module.
**
**  Parameters:
**	None
**
**  Returns:
**	None
**
**-----------------------------------------------------------------------------
*/
void TMH1_Init()
{
	ClrIORBit(TMHMD1, 0x80);		/*STOP COUNTER OPERATION*/
	
	SetIORBit(MK0, 0x10);			/* INTTMH1 disable */
	ClrIORBit(IF0, 0x10);
	
	/* Internal countclock 2M*/	
	TMHMD1 |= ( TM_TMH1_CLOCK << 4 );
	
	/* TMH1 square wave output */
	SetIORBit(TMHMD1, 0x1);		/* enable output */
	ClrIORBit(P4, 0x04);
	ClrIORBit(PM4, 0x04);			/* P42/TOH1 */
	ClrIORBit(TMHMD1, 0x2);        /*SET PWM MODE*/
	
	CMP01 = TM_TMH1_SQUAREWIDTH;   /*0xc7*/
}

/*
**-----------------------------------------------------------------------------
**
**  Abstract:
**	This function can start the TMH1 counter.
**
**  Parameters:
**	None
**
**  Returns:
**	None
**
**-----------------------------------------------------------------------------
*/
void TMH1_Start( )
{
	SetIORBit(TMHMD1, 0x80);
}

/*
**-----------------------------------------------------------------------------
**
**  Abstract:
**	This function can stop the TMH1 counter operation.
**
**  Parameters:
**	None
**
**  Returns:
**	None
**
**-----------------------------------------------------------------------------
*/
void TMH1_Stop( )
{
	ClrIORBit(TMHMD1, 0x80);
}

/*
**-----------------------------------------------------------------------------
**
**  Abstract:
**	This function can change TMH1 condition.
**
**  Parameters:
**	*array_reg :	value(s) to set condition
**	array_num :	value number
**
**  Returns:
**	MD_OK
**	MD_ERROR
**
**-----------------------------------------------------------------------------
*/