lld_eft.h

本程序为ST公司开发的源代码

/*____________________________________________________________________________
| FILE:         lld_eft.h
| PROJECT:      OS20_AccordoPlus
| SW-COMPONENT: 
|_____________________________________________________________________________
| DESCRIPTION:  timer function
|_____________________________________________________________________________
| COPYRIGHT:    (c) 2004 STMicroelectronics, APG-S2S Arzano (ITALY)
| HISTORY:
| Date      | Modification               | Author
|_____________________________________________________________________________
| 18.10.05  | Initial revision           | M. De Martino
|____________________________________________________________________________*/

#ifndef _LLD_EFT_H_
#define _LLD_EFT_H_

#include "types.h"
#include "rccu_run.h"

#ifdef __cplusplus
extern "C" {
#endif

/******************************************************************
| includes of external declarations
|---------------------------------------------------------------- */

/************************************************************************ 
|defines and macros (scope: module-local) 
|-----------------------------------------------------------------------*/
#define EFT0      			(tU8)0
#define EFT1      			(tU8)1

#define PWM_MODE        	(tU8)1
#define OUTPUT_COM_MODE 	(tU8)2
#define PULSE_MODE      	(tU8)3
#define COUNTER_MODE    	(tU8)4

/* Max programmation value */
#define EFT_MAX_TIMER_PROGRAMMATION	(tU16)0xFFFF

/* Convert time in ns to Hz */ 
#define EFT_M_NS_2_HZ(t)	(tU16)((tU32)1000000000/((tU32)t))

/* Convert time in ns to KHz */ 
#define EFT_M_US_2_HZ(t)	(tU32)((tU32)1000000000/((tU32)t))

/* Number of interrupt sources */
#define EFT_TYPE_NUM		4

/* Prescaler */


#if (RUN_MODE == RUN3)
#define         TIMER_PRESCALER  (tU16)67               /* Prescaler for Timer-Clk */
#elif (RUN_MODE == RUN2)
#define         TIMER_PRESCALER  (tU16)58               /* Prescaler for Timer-Clk */
#elif (RUN_MODE == RUN1)
#define         TIMER_PRESCALER  (tU16)50               /* Prescaler for Timer-Clk */
#else //BYPASS	
#define         TIMER_PRESCALER  (tU16)33               /* Prescaler for Timer-Clk */
#endif

#define         TIMER_PRES_VAL   (TIMER_PRESCALER-1)    /* Set prescaler */

/************************************************************************
|typedefs and struct defs (scope: global)
|-----------------------------------------------------------------------*/
/* Al: custom interrupt handler*/
/* Function pointer to the stream eot exception manager */
typedef tVoid (*t_EFT_FctPtr)(void) ;
/* Al */

typedef enum t_EFT_IntTy
{
	EFT0_GLOBAL_INT = 0,
	EFT1_GLOBAL_INT = 1,
	EFT1_OCA_INT    = 2,
	EFT1_OCB_INT    = 3
} t_EFT_IntTy;

/************************************************************************
|macros
|-----------------------------------------------------------------------*/
/* Al: custom interrupt handler*/
extern t_EFT_FctPtr INT_EFT_EndTr_Mgr_Str [EFT_TYPE_NUM];

#define DEFAULT_EFT_MGR		&INT_EFT_Default_manager
#define INSTALL_EFT_MANAGER(type, handler)	INT_EFT_EndTr_Mgr_Str[type] = (t_EFT_FctPtr)handler
#define RESTORE_EFT_MANAGER(type)			INT_EFT_EndTr_Mgr_Str[type] = (t_EFT_FctPtr)DEFAULT_EFT_MGR

extern tVoid LLD_EFT_InstallHookManager (tU8, t_EFT_FctPtr);
extern tVoid LLD_EFT_RestoreHookManager(tU8);
/* Al */

/************************************************************************ 
|function prototype (scope: global) 
|-----------------------------------------------------------------------*/
extern tVoid EFT_TimerConfig (tU8 TimerId, tU8 TimerMode, tU32 TimerCompValueA, tU32 TimerCompValueB, tU8 dmasource, tBool dma_int);
extern tVoid EFT_TimerStart (tU8 TimerId);
extern tVoid EFT_TimerStop (tU8 TimerId);
extern tU16  EFT_ReadTimer (tU8 TimerId);

extern tVoid EFT_IntTimer0(void);
extern tVoid EFT_IntTimer1(void);
extern tVoid EFT_IntTimer1OutCompA(void);
extern tVoid EFT_IntTimer1OutCompB(void);

extern tVoid OS20_EFT_TimerConfig (tU8 TimerId);
extern tVoid OS20_EFT_SetOCAR(tU8 TimerId, unsigned value);
extern tVoid OS20_EFT_SetOCAIE_TOE(tU8 TimerId);
extern tVoid OS20_EFT_ReSetOCAIE(tU8 TimerId);
extern tU16 OS20_EFT_GetSRegister(tU8 TimerId);
extern tVoid OS20_EFT_ReSetOCFA(tU8 TimerId);
extern tVoid OS20_EFT_ReSetTOF(tU8 TimerId);

#ifdef __cplusplus
}
#endif

#endif // _LLD_EFT_H_

/* End of file */