| /* --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 | |
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| * 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 | |
| //! @} | |
| // | |
| //***************************************************************************** |