49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
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/****************************************************************************
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Copyright(c) 2019 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED.
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This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT
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be copied by any method or incorporated into another program without
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the express written consent of Aerospace C.Power. This Information or any portion
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thereof remains the property of Aerospace C.Power. The Information contained herein
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is believed to be accurate and Aerospace C.Power assumes no responsibility or
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liability for its use in any way and conveys no license or title under
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any patent or copyright and makes no representation or warranty that this
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Information is free from patent or copyright infringement.
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****************************************************************************/
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#ifndef IOT_CLOCK_H
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#define IOT_CLOCK_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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int32_t system_clock_init(void);
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/**
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* @brief iot_delay_us - circular wait for delay time independent of os.
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* @param us [delay time (unit us).]
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* @return [none.]
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*/
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void iot_delay_us(uint32_t us);
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/**
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* @brief iot_delay_us_cpu_cycle - circular wait for delay time
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* independent of os, use cpu cycle.
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* @param us [delay time (unit us).]
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* @return [none.]
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*/
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void iot_delay_us_cpu_cycle(uint32_t us);
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void system_cpu_sleep();
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void system_cpu_wakeup();
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#ifdef __cplusplus
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}
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#endif
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#endif //IOT_CLOCK_H
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