aon_batmon.h

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/******************************************************************************
*  Filename:       aon_batmon.h
*  Revised:        2016-06-30 09:21:03 +0200 (Thu, 30 Jun 2016)
*  Revision:       46799
*
*  Description:    Defines and prototypes for the AON Battery and Temperature
*                  Monitor
*
*  Copyright (c) 2015 - 2016, Texas Instruments Incorporated
*  All rights reserved.
*
*  Redistribution and use in source and binary forms, with or without
*  modification, are permitted provided that the following conditions are met:
*
*  1) Redistributions of source code must retain the above copyright notice,
*     this list of conditions and the following disclaimer.
*
*  2) 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.
*
*  3) Neither the name of the ORGANIZATION 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 HOLDER 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
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*  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 __AON_BATMON_H__
#define __AON_BATMON_H__

//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif

#include <stdbool.h>
#include <stdint.h>
#include <inc/hw_types.h>
#include <inc/hw_memmap.h>
#include <inc/hw_aon_batmon.h>
#include <driverlib/debug.h>

//*****************************************************************************
//
// Support for DriverLib in ROM:
// This section renames all functions that are not "static inline", so that
// calling these functions will default to implementation in flash. At the end
// of this file a second renaming will change the defaults to implementation in
// ROM for available functions.
//
// To force use of the implementation in flash, e.g. for debugging:
// - Globally: Define DRIVERLIB_NOROM at project level
// - Per function: Use prefix "NOROM_" when calling the function
//
//*****************************************************************************
#if !defined(DOXYGEN)
    #define AONBatMonTemperatureGetDegC     NOROM_AONBatMonTemperatureGetDegC
#endif


//*****************************************************************************
//
// API Functions and prototypes
//
//*****************************************************************************

//*****************************************************************************
//
//
//*****************************************************************************
__STATIC_INLINE void
AONBatMonEnable(void)
{
    //
    // Enable the measurements.
    //
    HWREG(AON_BATMON_BASE + AON_BATMON_O_CTL) =
        AON_BATMON_CTL_CALC_EN |
        AON_BATMON_CTL_MEAS_EN;
}

//*****************************************************************************
//
//
//*****************************************************************************
__STATIC_INLINE void
AONBatMonDisable(void)
{
    //
    // Disable the measurements.
    //
    HWREG(AON_BATMON_BASE + AON_BATMON_O_CTL) = 0;
}


//*****************************************************************************
//
//
//*****************************************************************************
extern int32_t AONBatMonTemperatureGetDegC( void );

//*****************************************************************************
//
//
//*****************************************************************************
__STATIC_INLINE uint32_t
AONBatMonBatteryVoltageGet(void)
{
    uint32_t ui32CurrentBattery;

    ui32CurrentBattery = HWREG(AON_BATMON_BASE + AON_BATMON_O_BAT);

    //
    // Return the current battery voltage measurement.
    //
    return (ui32CurrentBattery >> AON_BATMON_BAT_FRAC_S);
}

//*****************************************************************************
//
//
//*****************************************************************************
__STATIC_INLINE bool
AONBatMonNewBatteryMeasureReady(void)
{
    bool bStatus;

    //
    // Check the status bit.
    //
    bStatus = HWREG(AON_BATMON_BASE + AON_BATMON_O_BATUPD) &
              AON_BATMON_BATUPD_STAT ? true : false;

    //
    // Clear status bit if set.
    //
    if(bStatus)
    {
        HWREG(AON_BATMON_BASE + AON_BATMON_O_BATUPD) = 1;
    }

    //
    // Return status.
    //
    return (bStatus);
}

//*****************************************************************************
//
//
//*****************************************************************************
__STATIC_INLINE bool
AONBatMonNewTempMeasureReady(void)
{
    bool bStatus;

    //
    // Check the status bit.
    //
    bStatus = HWREG(AON_BATMON_BASE + AON_BATMON_O_TEMPUPD) &
              AON_BATMON_TEMPUPD_STAT ? true : false;

    //
    // Clear status bit if set.
    //
    if(bStatus)
    {
        HWREG(AON_BATMON_BASE + AON_BATMON_O_TEMPUPD) = 1;
    }

    //
    // Return status.
    //
    return (bStatus);
}

//*****************************************************************************
//
// Support for DriverLib in ROM:
// Redirect to implementation in ROM when available.
//
//*****************************************************************************
#if !defined(DRIVERLIB_NOROM) && !defined(DOXYGEN)
    #include <driverlib/rom.h>
    #ifdef ROM_AONBatMonTemperatureGetDegC
        #undef  AONBatMonTemperatureGetDegC
        #define AONBatMonTemperatureGetDegC     ROM_AONBatMonTemperatureGetDegC
    #endif
#endif

//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif

#endif //  __AON_BATMON_H__

//*****************************************************************************
//
//
//*****************************************************************************