| /* |
| * Copyright (c) 2015, Freescale Semiconductor, Inc. |
| * Copyright 2016-2017 NXP |
| * |
| * Redistribution and use in source and binary forms, with or without modification, |
| * are permitted provided that the following conditions are met: |
| * |
| * o Redistributions of source code must retain the above copyright notice, this list |
| * of conditions and the following disclaimer. |
| * |
| * o 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. |
| * |
| * o Neither the name of the copyright holder 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 HOLDER 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. |
| */ |
| |
| #include "fsl_gpt.h" |
| |
| /******************************************************************************* |
| * Prototypes |
| ******************************************************************************/ |
| |
| /******************************************************************************* |
| * Variables |
| ******************************************************************************/ |
| /*! @brief Pointers to GPT bases for each instance. */ |
| static GPT_Type *const s_gptBases[] = GPT_BASE_PTRS; |
| |
| #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) |
| /*! @brief Pointers to GPT clocks for each instance. */ |
| static const clock_ip_name_t s_gptClocks[] = GPT_CLOCKS; |
| #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */ |
| |
| /******************************************************************************* |
| * Code |
| ******************************************************************************/ |
| static uint32_t GPT_GetInstance(GPT_Type *base) |
| { |
| uint32_t instance; |
| |
| /* Find the instance index from base address mappings. */ |
| for (instance = 0U; instance < ARRAY_SIZE(s_gptBases); instance++) |
| { |
| if (s_gptBases[instance] == base) |
| { |
| break; |
| } |
| } |
| |
| assert(instance < ARRAY_SIZE(s_gptBases)); |
| |
| return instance; |
| } |
| |
| void GPT_Init(GPT_Type *base, const gpt_config_t *initConfig) |
| { |
| assert(initConfig); |
| |
| #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) |
| /* Ungate the GPT clock*/ |
| CLOCK_EnableClock(s_gptClocks[GPT_GetInstance(base)]); |
| #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */ |
| base->CR = 0U; |
| |
| GPT_SoftwareReset(base); |
| |
| base->CR = |
| (initConfig->enableFreeRun ? GPT_CR_FRR_MASK : 0U) | (initConfig->enableRunInWait ? GPT_CR_WAITEN_MASK : 0U) | |
| (initConfig->enableRunInStop ? GPT_CR_STOPEN_MASK : 0U) | |
| (initConfig->enableRunInDoze ? GPT_CR_DOZEEN_MASK : 0U) | |
| (initConfig->enableRunInDbg ? GPT_CR_DBGEN_MASK : 0U) | (initConfig->enableMode ? GPT_CR_ENMOD_MASK : 0U); |
| |
| GPT_SetClockSource(base, initConfig->clockSource); |
| GPT_SetClockDivider(base, initConfig->divider); |
| } |
| |
| void GPT_Deinit(GPT_Type *base) |
| { |
| /* Disable GPT timers */ |
| base->CR = 0U; |
| |
| #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) |
| /* Gate the GPT clock*/ |
| CLOCK_DisableClock(s_gptClocks[GPT_GetInstance(base)]); |
| #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */ |
| } |
| |
| void GPT_GetDefaultConfig(gpt_config_t *config) |
| { |
| assert(config); |
| |
| config->clockSource = kGPT_ClockSource_Periph; |
| config->divider = 1U; |
| config->enableRunInStop = true; |
| config->enableRunInWait = true; |
| config->enableRunInDoze = false; |
| config->enableRunInDbg = false; |
| config->enableFreeRun = false; |
| config->enableMode = true; |
| } |