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 * Copyright (c) 2014, Texas Instruments Incorporated
 * All rights reserved.
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 *    notice, this list of conditions and the following disclaimer.
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 * *  Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
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 *    from this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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//*****************************************************************************
//
// wdt_a.c - Driver for the wdt_a Module.
//
//*****************************************************************************

//*****************************************************************************
//
//! \addtogroup wdt_a_api wdt_a
//! @{
//
//*****************************************************************************

#include "inc/hw_regaccess.h"
#include "inc/hw_memmap.h"

#ifdef __MSP430_HAS_WDT_A__
#include "wdt_a.h"

#include <assert.h>

void WDT_A_hold(uint16_t baseAddress)
{
    // Set Hold bit
    uint8_t newWDTStatus =
        ((HWREG16(baseAddress + OFS_WDTCTL) & 0x00FF) | WDTHOLD);

    HWREG16(baseAddress + OFS_WDTCTL) = WDTPW + newWDTStatus;
}

void WDT_A_start(uint16_t baseAddress)
{
    // Reset Hold bit
    uint8_t newWDTStatus =
        ((HWREG16(baseAddress + OFS_WDTCTL) & 0x00FF) & ~(WDTHOLD));

    HWREG16(baseAddress + OFS_WDTCTL) = WDTPW + newWDTStatus;
}

void WDT_A_resetTimer(uint16_t baseAddress)
{
    // Set Counter Clear bit
    uint8_t newWDTStatus =
        ((HWREG16(baseAddress + OFS_WDTCTL) & 0x00FF) | WDTCNTCL);

    HWREG16(baseAddress + OFS_WDTCTL) = WDTPW + newWDTStatus;
}

void WDT_A_initWatchdogTimer(uint16_t baseAddress,
                             uint8_t clockSelect,
                             uint8_t clockDivider)
{
    HWREG16(baseAddress + OFS_WDTCTL) =
        WDTPW + WDTCNTCL + WDTHOLD + clockSelect + clockDivider;
}

void WDT_A_initIntervalTimer(uint16_t baseAddress,
                             uint8_t clockSelect,
                             uint8_t clockDivider)
{
    HWREG16(baseAddress + OFS_WDTCTL) =
        WDTPW + WDTCNTCL + WDTHOLD + WDTTMSEL + clockSelect + clockDivider;
}

#endif
//*****************************************************************************
//
//! Close the doxygen group for wdt_a_api
//! @}
//
//*****************************************************************************