72 lines
2.9 KiB
C
Executable File
72 lines
2.9 KiB
C
Executable File
/* --COPYRIGHT--,BSD
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* Copyright (c) 2019, Texas Instruments Incorporated
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of Texas Instruments Incorporated nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* --/COPYRIGHT--*/
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//*****************************************************************************
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// HAL Timer functions
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//
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// Texas Instruments, Inc.
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// *****************************************************************************
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#include <msp430.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <HAL.h>
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#include "HAL_Config_Private.h"
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// Simple callbacks to main function
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extern void TimerCallback(void);
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/**** Functions **************************************************************/
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void HAL_Timer_Init(void)
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{
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// Initialize a timer to update the counter
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// Configure Timer
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TB0CCR0 = LSBUS_FREQ_HZ / 2; // 0.5sec
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TB0CCTL0 = CCIE; // TBCCR0 interrupt enabled
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TB0CTL = TBSSEL__ACLK | // Use ACLK
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MC__UP | // Up Mode
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TBCLR; // Clear counter
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}
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// Timer B0 interrupt service routine
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#if defined(__TI_COMPILER_VERSION__) || defined(__IAR_SYSTEMS_ICC__)
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#pragma vector = TIMER0_B0_VECTOR
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__interrupt void Timer(void)
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#elif defined(__GNUC__)
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void __attribute__ ((interrupt(TIMER0_B0_VECTOR))) Timer_B0 (void)
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#else
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#error Compiler not supported!
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#endif
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{
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TimerCallback();
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__bic_SR_register_on_exit(LPM3_bits); // Exit LPM3
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}
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