mirror of https://github.com/ARMmbed/mbed-os.git
97 lines
3.1 KiB
C
97 lines
3.1 KiB
C
/**
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* @file
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* @brief MAX3263X System Clock Configuration and System Initialization.
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*/
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/* ****************************************************************************
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* Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
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* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name of Maxim Integrated
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* Products, Inc. shall not be used except as stated in the Maxim Integrated
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* Products, Inc. Branding Policy.
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*
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* The mere transfer of this software does not imply any licenses
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* of trade secrets, proprietary technology, copyrights, patents,
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* trademarks, maskwork rights, or any other form of intellectual
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* property whatsoever. Maxim Integrated Products, Inc. retains all
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* ownership rights.
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*
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* $Date: 2016-10-31 17:11:01 -0500 (Mon, 31 Oct 2016) $
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* $Revision: 24859 $
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*
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**************************************************************************** */
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/* **** Includes **** */
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#include <stdint.h>
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/* Define to prevent redundant inclusion */
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#ifndef _SYSTEM_MAX3263X_H_
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#define _SYSTEM_MAX3263X_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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* @ingroup max3263x
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* @brief MAX3263X System File for CMSIS
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* @{
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*/
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/* ****************************************************************************
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Define clocks
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*************************************************************************** */
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#ifndef HFXIN_FREQ
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/**
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* @internal External HFXIN frequency.
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*/
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#define HFXIN_FREQ 8000000
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#endif
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#ifndef RO_FREQ
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#define RO_FREQ 96000000 /**< High Frequency Internal Relaxation Oscillator used as the default System Clock Source */
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#endif
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extern uint32_t SystemCoreClock; /*!< CMSIS System Clock Frequency (Core Clock) */
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/**
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* Initializes the system.
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*
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* @brief Setup the microcontroller system.
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* Initialize the System and set up the SystemCoreClock variable.
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*/
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extern void SystemInit(void);
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/**
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* Update SystemCoreClock variable.
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*
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* @brief Updates the SystemCoreClock with current core Clock
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* retrieved from the device hardware.
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*/
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extern void SystemCoreClockUpdate(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYSTEM_MAX3263X_H_ */
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