f28xcap.h

在ccs编程环境下

/* ==================================================================================
File name:        F28XCAP.H                     
                    
Originator:	Digital Control Systems Group
			Texas Instruments
Description:  
Header file containing data type and object definitions and 
initializers. Also contains prototypes for the functions in F28XCAP.C.
=====================================================================================
 History:
-------------------------------------------------------------------------------------
 05-15-2002	Release	Rev 1.0                                                  
---------------------------------------------------------------------------------- */

#ifndef __F28X_CAP_H__
#define __F28X_CAP_H__
//#include "IQmathLib.h"
#include "f28xbmsk.h"

/*-----------------------------------------------------------------------------
    Initialization states for T2CON,T4CON and CAPCONA,CAPCONB 
------------------------------------------------------------------------------*/
#define CAP_INIT_STATE    0xA0F0//0xA050//
#define CAP_TIMER_INIT_STATE (FREE_RUN_FLAG+TIMER_CONT_UP+TIMER_CLK_PRESCALE_X_128+ \
                          TIMER_ENABLE_BY_OWN+TIMER_ENABLE+                   \
                          TIMER_CLOCK_SRC_INTERNAL+ TIMER_COMPARE_LD_ON_ZERO)
/*-----------------------------------------------------------------------------
Define the structure of the Capture Driver Object 
------------------------------------------------------------------------------*/
typedef struct { unsigned int time_stamp;       /* Output: Timer value when capture is detected (Q0) */   
                 unsigned int time_stamp_old;
                 unsigned long time_stamp_idx;
                 int wait;
                 int skip_time;//本次计算跨过的计数周期
                 int FIFO_state;
                 int FIFO_state_last;
                 _iq Tc;
                 _iq wc;
                 _iq  speed;
                 void (*init)();       /* Pointer to the init function         */
                 int (*read)();        /* Pointer to the read function         */
                 void (*calc)();     /* Pointer to the calc funtion           */
               	 void (*ISR)();
               } CAPTURE;

/*-----------------------------------------------------------------------------
Define a handle for the CAPTURE object
------------------------------------------------------------------------------*/
typedef CAPTURE *CAPTURE_handle;

/*------------------------------------------------------------------------------
Default Initializer for the F28X_EV1 CAPTURE Object
------------------------------------------------------------------------------*/
#define F28XEV1CAP1    {0, 0,0, 0,1,0,0,0,0,0, \
                        (void (*)(long))F28X_EV1_CAP_Init,  \
                        (int (*)(long))F28X_EV1_CAP_Read,  \
                        (void (*)(long))F28X_EV1_CAP_Calc, 	\
                        (void (*)(long))F28X_EV1_CAP_ISR }

/*------------------------------------------------------------------------------
Target Independent Default Initializer CAPTURE Object
------------------------------------------------------------------------------*/
#define CAPTURE_DEFAULTS F28XEV1CAP1

/*------------------------------------------------------------------------------
Prototypes for the functions in F28XCAP.C
------------------------------------------------------------------------------*/
void F28X_EV1_CAP_Init(CAPTURE_handle);
int  F28X_EV1_CAP_Read(CAPTURE_handle); 
void F28X_EV1_CAP_Calc(CAPTURE_handle);
void F28X_EV1_CAP_ISR(CAPTURE_handle);
#endif /*  __F28X_CAP_H__ */