92 lines
3.7 KiB
C
92 lines
3.7 KiB
C
/*
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* Copyright (c) 2015, Freescale Semiconductor, Inc.
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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 modification,
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* are permitted provided that the following conditions are met:
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*
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* o Redistributions of source code must retain the above copyright notice, this list
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* of conditions and the following disclaimer.
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*
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* o Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* 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" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "gpt.h"
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/*******************************************************************************
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* Code
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******************************************************************************/
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/*FUNCTION**********************************************************************
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*
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* Function Name : GPT_Init
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* Description : Initialize GPT to reset state and initialize running mode
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*
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*END**************************************************************************/
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void GPT_Init(GPT_Type* base, const gpt_init_config_t* initConfig)
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{
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assert(initConfig);
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base->CR = 0;
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GPT_SoftReset(base);
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base->CR = (initConfig->freeRun ? GPT_CR_FRR_MASK : 0) |
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(initConfig->waitEnable ? GPT_CR_WAITEN_MASK : 0) |
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(initConfig->stopEnable ? GPT_CR_STOPEN_MASK : 0) |
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(initConfig->dozeEnable ? GPT_CR_DOZEEN_MASK : 0) |
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(initConfig->dbgEnable ? GPT_CR_DBGEN_MASK : 0) |
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(initConfig->enableMode ? GPT_CR_ENMOD_MASK : 0);
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}
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/*FUNCTION**********************************************************************
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*
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* Function Name : GPT_SetClockSource
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* Description : Set clock source of GPT
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*
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*END**************************************************************************/
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void GPT_SetClockSource(GPT_Type* base, uint32_t source)
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{
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assert(source <= gptClockSourceOsc);
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if (source == gptClockSourceOsc)
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base->CR = (base->CR & ~GPT_CR_CLKSRC_MASK) | GPT_CR_EN_24M_MASK | GPT_CR_CLKSRC(source);
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else
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base->CR = (base->CR & ~(GPT_CR_CLKSRC_MASK | GPT_CR_EN_24M_MASK)) | GPT_CR_CLKSRC(source);
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}
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/*FUNCTION**********************************************************************
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*
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* Function Name : GPT_SetIntCmd
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* Description : Enable or disable GPT interrupts
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*
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*END**************************************************************************/
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void GPT_SetIntCmd(GPT_Type* base, uint32_t flags, bool enable)
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{
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if (enable)
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base->IR |= flags;
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else
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base->IR &= ~flags;
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}
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/*******************************************************************************
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* EOF
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******************************************************************************/
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