rt-thread/bsp/tms320f28379d/libraries/common/include/F2837xD_cputimervars.h

//###########################################################################
//
// FILE:   F2837xD_Cputimers.h
//
// TITLE:  F2837xD Device CPUTIMERS Register Definitions.
//
//###########################################################################
// $TI Release: F2837xD Support Library v3.05.00.00 $
// $Release Date: Tue Jun 26 03:15:23 CDT 2018 $
// $Copyright:
// Copyright (C) 2013-2018 Texas Instruments Incorporated - http://www.ti.com/
//
// Redistribution and use in source and binary forms, with or without 
// modification, are permitted provided that the following conditions 
// are met:
// 
//   Redistributions of source code must retain the above copyright 
//   notice, this list of conditions and the following disclaimer.
// 
//   Redistributions in binary form must reproduce the above copyright
//   notice, this list of conditions and the following disclaimer in the 
//   documentation and/or other materials provided with the   
//   distribution.
// 
//   Neither the name of Texas Instruments Incorporated nor the names of
//   its contributors may be used to endorse or promote products derived
//   from this software without specific prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// $
//###########################################################################

#ifndef F2837xD_CPUTIMERVARS_H
#define F2837xD_CPUTIMERVARS_H

#ifdef __cplusplus
extern "C" {
#endif

//
// Globals
//
struct CPUTIMER_VARS {
   volatile struct  CPUTIMER_REGS  *RegsAddr;
   Uint32    InterruptCount;
   float   CPUFreqInMHz;
   float   PeriodInUSec;
};

extern struct CPUTIMER_VARS CpuTimer0;
extern struct CPUTIMER_VARS CpuTimer1;
extern struct CPUTIMER_VARS CpuTimer2;

//
// Defines
//

//
// Start Timer:
//
#define StartCpuTimer0()   CpuTimer0Regs.TCR.bit.TSS = 0

//
// Stop Timer:
//
#define StopCpuTimer0()   CpuTimer0Regs.TCR.bit.TSS = 1

//
// Reload Timer With period Value:
//
#define ReloadCpuTimer0() CpuTimer0Regs.TCR.bit.TRB = 1

//
// Read 32-Bit Timer Value:
//
#define ReadCpuTimer0Counter() CpuTimer0Regs.TIM.all

//
// Read 32-Bit Period Value:
//
#define ReadCpuTimer0Period() CpuTimer0Regs.PRD.all

//
// Start Timer:
//
#define StartCpuTimer1()   CpuTimer1Regs.TCR.bit.TSS = 0
#define StartCpuTimer2()   CpuTimer2Regs.TCR.bit.TSS = 0

//
// Stop Timer:
//
#define StopCpuTimer1()   CpuTimer1Regs.TCR.bit.TSS = 1
#define StopCpuTimer2()   CpuTimer2Regs.TCR.bit.TSS = 1

//
// Reload Timer With period Value:
//
#define ReloadCpuTimer1() CpuTimer1Regs.TCR.bit.TRB = 1
#define ReloadCpuTimer2() CpuTimer2Regs.TCR.bit.TRB = 1

//
// Read 32-Bit Timer Value:
//
#define ReadCpuTimer1Counter() CpuTimer1Regs.TIM.all
#define ReadCpuTimer2Counter() CpuTimer2Regs.TIM.all

//
// Read 32-Bit Period Value:
//
#define ReadCpuTimer1Period() CpuTimer1Regs.PRD.all
#define ReadCpuTimer2Period() CpuTimer2Regs.PRD.all

//
// Function Prototypes
//
void InitCpuTimers(void);
void ConfigCpuTimer(struct CPUTIMER_VARS *Timer, float Freq, float Period);

#ifdef __cplusplus
}
#endif /* extern "C" */


#endif  // end of F2837xD_CPUTIMERVARS_H definition

//
// End of file
//