106 lines
3.1 KiB
C
106 lines
3.1 KiB
C
/*
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* Copyright 2017-2018 NXP
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* All rights reserved.
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*
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* THIS SOFTWARE IS PROVIDED BY NXP "AS IS" AND ANY EXPRESSED OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL NXP OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*! @addtogroup soc_support_S32K118*/
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/*! @{*/
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/*!
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* @file system_S32K118.h
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* @brief Device specific configuration file for S32K118
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*/
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#ifndef SYSTEM_S32K118_H_
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#define SYSTEM_S32K118_H_ /**< Symbol preventing repeated inclusion */
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/******************************************************************************
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* CPU Settings.
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*****************************************************************************/
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/* Watchdog disable */
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#ifndef DISABLE_WDOG
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#define DISABLE_WDOG 1
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#endif
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/* Value of the external crystal or oscillator clock frequency in Hz */
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#ifndef CPU_XTAL_CLK_HZ
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#define CPU_XTAL_CLK_HZ 8000000u
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#endif
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/* Value of the fast internal oscillator clock frequency in Hz */
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#ifndef CPU_INT_FAST_CLK_HZ
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#define CPU_INT_FAST_CLK_HZ 48000000u
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#endif
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/* Default System clock value */
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#ifndef DEFAULT_SYSTEM_CLOCK
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#define DEFAULT_SYSTEM_CLOCK 48000000u
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#endif
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/**
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* @brief System clock frequency (core clock)
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*
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* The system clock frequency supplied to the SysTick timer and the processor
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* core clock. This variable can be used by the user application to setup the
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* SysTick timer or configure other parameters. It may also be used by debugger to
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* query the frequency of the debug timer or configure the trace clock speed
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* SystemCoreClock is initialized with a correct predefined value.
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*/
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extern uint32_t SystemCoreClock;
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/**
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* @brief Setup the SoC.
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*
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* This function disables the watchdog.
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* if the corresponding feature macro is enabled.
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* SystemInit is called from startup_device file.
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*/
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void SystemInit(void);
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/**
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* @brief Updates the SystemCoreClock variable.
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*
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* It must be called whenever the core clock is changed during program
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* execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates
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* the current core clock.
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* This function must be called when user does not want to use clock manager component.
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* If clock manager is used, the CLOCK_SYS_GetFreq function must be used with CORE_CLOCK
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* parameter.
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*
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*/
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void SystemCoreClockUpdate(void);
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/**
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* @brief Initiates a system reset.
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*
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* This function is used to initiate a system reset
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*/
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void SystemSoftwareReset(void);
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#ifdef __cplusplus
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}
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#endif
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/*! @}*/
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#endif /* #if !defined(SYSTEM_S32K118_H_) */
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