timer0.h

TQ公司的STK16x开发系统的源码

/* File: TIMER0.H */

/****************************************************************************
*
* STK16XSW.TIMER0
* ===============
*
* Routines for the Acces to the stepper motor and the LCD-Display
*                 
* TQ-Systems GmbH                                                         
* ---------------                                                         
* Customer: TQ-Components
* Project : TQMX16xU
* Tools   : uVision 2.37
*
* 
* Rev: Date:     Name:            Modification:
* ----+---------+----------------+------------------------------------------
* 100  16.05.03  Volker Jung      changes for XC16x Controller
* 251  29.07.03  Volker Jung	  Anpassung an TQ_Select 
*****************************************************************************/

/****************************************************************************
*
*                            availability summary
*
* available for Starterkit: STK16XU
* conformed for Starterkit: STK16XU 
* available for Modul     : TQMX16XU
*                           
* conformed for Modul     : TQMX16XU
*****************************************************************************/

#include "header.h"

/*==========================================================================*
* extern available definitions (#DEFINE):
*===========================================================================*/

/* timer counter define: */
#ifndef TIMER_COUNTER
#define TIMER_COUNTER unsigned long
#endif

/* timer counter range: */
#define TIMER_MIN     0x00000000
#define TIMER_MAX     0xFFFFFFFF

/*--------------------------------------------------------------------------*
* general definitions:
*---------------------------------------------------------------------------*/
/*==========================================================================*
* extern available typ definitions (TYPEDEF):
*===========================================================================*/

/*==========================================================================*
* extern available constants (CONST):
*===========================================================================*/

/*==========================================================================*
* globale extern available variables (EXTERN):
*===========================================================================*/

/*==========================================================================*
* extern available functions:
*===========================================================================*/

/*--------------------------------------------------------------------------*
* BOOL timer_init(void)
*---------------------------------------------------------------------------*
* FT: init timer 0 time base; calculation refers to CPU frequency (40 MHz)
*
*
*
*
*---------------------------------------------------------------------------*/
BOOL timer_init(void);

/*--------------------------------------------------------------------------*
* void timer_reset(void)
*---------------------------------------------------------------------------*
* FT: reset timer counter
* EP:  -
* RW: -
* GP: -
*---------------------------------------------------------------------------*/
void timer_reset(void);

/*--------------------------------------------------------------------------*
* TIMER_COUNTER timer_get_10ms(TIMER_COUNTER base_time)
*---------------------------------------------------------------------------*
* FT: calculate time difference between parameter t and current time
* EP: base_time = base time for calculate time difference
* RW: -
* GP: -
*---------------------------------------------------------------------------*/
TIMER_COUNTER timer_get_10ms(TIMER_COUNTER t);

/*--------------------------------------------------------------------------*
* TIMER_COUNTER timer_get_20us(TIMER_COUNTER base_time)
*---------------------------------------------------------------------------*
* FT: calculate time difference between parameter t and current time
* EP: base_time = base time for calculate time difference
* RW: -
* GP: -
*---------------------------------------------------------------------------*/
TIMER_COUNTER timer_get_20us(TIMER_COUNTER t);

/*--------------------------------------------------------------------------*
* void timer_delay_10ms(TIMER_COUNTER len)
*---------------------------------------------------------------------------*
* FT: generate delay for len x 10 ms
* EP: len = amount of 10 ms ticks (result of len = 0 may be 0..1)
* RW: -
* GP: -
*---------------------------------------------------------------------------*/
void timer_delay_10ms(TIMER_COUNTER len);

/*--------------------------------------------------------------------------*
* void timer_delay_20us(TIMER_COUNTER len)
*---------------------------------------------------------------------------*
* FT: generate delay for len x 10 ms
* EP: len = amount of 10 ms ticks (result of len = 0 may be 0..1)
* RW: -
* GP: -
*---------------------------------------------------------------------------*/
void timer_delay_20us(TIMER_COUNTER len);