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/* --COPYRIGHT--,BSD
* Copyright (c) 2014, 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:
*
* * 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.
* --/COPYRIGHT--*/
//*****************************************************************************
//
// 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
//! @}
//
//*****************************************************************************
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