119 lines
3.2 KiB
C
119 lines
3.2 KiB
C
/*
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* -------------------------------------------
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* MSP432 DriverLib - v3_40_00_10
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* -------------------------------------------
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*
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* --COPYRIGHT--,BSD,BSD
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* Copyright (c) 2016, 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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#include <debug.h>
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#include <interrupt.h>
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#include <systick.h>
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void SysTick_enableModule(void)
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{
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//
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// Enable SysTick.
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//
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SysTick->CTRL |= SysTick_CTRL_CLKSOURCE_Msk | SysTick_CTRL_ENABLE_Msk;
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}
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void SysTick_disableModule(void)
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{
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//
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// Disable SysTick.
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//
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SysTick->CTRL &= ~(SysTick_CTRL_ENABLE_Msk);
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}
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void SysTick_registerInterrupt(void (*intHandler)(void))
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{
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//
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// Register the interrupt handler, returning an error if an error occurs.
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//
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Interrupt_registerInterrupt(FAULT_SYSTICK, intHandler);
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}
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void SysTick_unregisterInterrupt(void)
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{
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//
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// Unregister the interrupt handler.
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//
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Interrupt_unregisterInterrupt(FAULT_SYSTICK);
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}
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void SysTick_enableInterrupt(void)
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{
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//
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// Enable the SysTick interrupt.
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//
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SysTick->CTRL |= SysTick_CTRL_TICKINT_Msk;
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}
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void SysTick_disableInterrupt(void)
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{
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//
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// Disable the SysTick interrupt.
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//
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SysTick->CTRL &= ~(SysTick_CTRL_TICKINT_Msk);
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}
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void SysTick_setPeriod(uint32_t period)
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{
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//
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// Check the arguments.
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//
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ASSERT((period > 0) && (period <= 16777216));
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//
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// Set the period of the SysTick counter.
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//
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SysTick->LOAD = period - 1;
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}
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uint32_t SysTick_getPeriod(void)
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{
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//
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// Return the period of the SysTick counter.
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//
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return (SysTick->LOAD + 1);
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}
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uint32_t SysTick_getValue(void)
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{
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//
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// Return the current value of the SysTick counter.
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//
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return (SysTick->VAL);
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}
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