mirror of https://github.com/ARMmbed/mbed-os.git
71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
/* mbed Microcontroller Library
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* Copyright (c) 2016 u-blox
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef SYSTEM_HI2110_H
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#define SYSTEM_HI2110_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include <stdbool.h>
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extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
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/**
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* Initialize the system
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*
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* @param none
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* @return none
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*
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* @brief Setup the microcontroller system.
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* Initialize the System and update 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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* @param none
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* @return none
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*
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* @brief Updates the SystemCoreClock with current core Clock
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* retrieved from cpu registers.
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*/
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extern void SystemCoreClockUpdate (void);
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/**
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* Allow the system to go to sleep, shutting down clocks, etc.
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* or not. If the system is allowed to sleep it will awake
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* and restore clocks automatically on an interrupt however
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* there will be a 200 to 300 usecond delay.
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*
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* @param sleepAllowed if true then sleep is allowed.
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* @return none
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*
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* @brief Allow full sleep, or not.
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*/
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extern void SystemAllowSleep(bool sleepAllowed);
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#ifdef __cplusplus
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}
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#endif
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#endif /* SYSTEM_HI2110_H */
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