/* * Copyright (c) 2009-2017 ARM Limited. All rights reserved. * * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the License); you may * not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an AS IS BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* * This file is derivative of CMSIS V5.00 system_ARMCM3.h */ #ifndef SYSTEM_CMSDK_CM3DS_H #define SYSTEM_CMSDK_CM3DS_H #ifdef __cplusplus extern "C" { #endif extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */ /** * Initialize the system * * @param none * @return none * * @brief Setup the microcontroller system. * Initialize the System and update the SystemCoreClock variable. */ extern void SystemInit (void); /** * Update SystemCoreClock variable * * @param none * @return none * * @brief Updates the SystemCoreClock with current core Clock * retrieved from cpu registers. */ extern void SystemCoreClockUpdate (void); #ifdef __cplusplus } #endif #endif /* SYSTEM_CMSDK_CM3DS_H */