cap.c

cap口例程

//
//      TMDX ALPHA RELEASE
//      Intended for product evaluation purposes
//
//###########################################################################
//
// FILE:	DSP28_Example.c
//
// TITLE:	DSP28 CPU_Timer example program.
//
//###########################################################################
//
//  Ver | dd mmm yyyy | Who  | Description of changes
// =====|=============|======|===============================================
//  0.55| 06 May 2002 | S.S. | EzDSP Alpha Release
//  0.57| 27 May 2002 | L.H. | No change
//###########################################################################

// Step 0.  Include required header files
         // DSP28_Device.h: device specific definitions #include statements for
         // all of the peripheral .h definition files.
         // DSP28_Example.h is specific for the given example.  

#include "DSP28_Device.h"

// Prototype statements for functions found within this file.
interrupt void cap(void);

Uint16 capcount=0;

extern Uint16 f2;
extern Uint16 CountFrq;

// Step 7. Insert all local Interrupt Service Routines (ISRs) and functions here:	
	// If local ISRs are used, reassign vector addresses in vector table as
    // shown in Step 5

interrupt void cap(void)
{
    capcount++;
    PieCtrl.PIEACK.all |= PIEACK_GROUP3;
    f2=EvaRegs.CAP1FIFO; 
    CountFrq=1;

    EvaRegs.EVAIFRC.bit.CAP1INT=1;     // Resets interupt flag    

}

//===========================================================================
// No more.
//===========================================================================