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