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https://gitee.com/Vancouver2017/luban-lite.git
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90 lines
1.6 KiB
C
90 lines
1.6 KiB
C
#ifndef __PMU_H
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#define __PMU_H
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#include "stdint.h"
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typedef enum pmu_state
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{
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PMU_STATE_ACTIVE = 0,
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PMU_STATE_MODEMSLEEP,
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PMU_STATE_LIGHTSLEEP,
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PMU_STATE_DEEPSLEEP,
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PMU_STATE_LAST
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}pmu_state_t;
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/** \brief Wait For Interrupt
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Wait For Interrupt is a hint instruction that suspends execution
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until one of a number of events occurs.
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*/
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__attribute__( ( always_inline ) ) static inline void __WFI__(void)
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{
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__asm volatile( "dsb" );
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__asm volatile( "wfi" );
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__asm volatile( "isb" );
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}
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/** @brief get current RTC counter, only used when RTC enabled.
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*
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* @return : current RTC counter
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*/
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uint32_t asr_drv_rtc_counter_get();
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/** @brief get MAX RTC counter we can set, only used when RTC enabled.
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*
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* @return : MAX RTC counter we can set
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*/
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uint32_t asr_drv_rtc_max_ticks_get();
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/** @brief get MAX RTC counter we can set, only used when RTC enabled.
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* @param cc_counter: RTC counter to set.
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* @param whitch state you want goto, default modemsleep.
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* @return 0: set OK.
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* @return other: set error.
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*/
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uint16_t asr_drv_rtc_cc_set(uint32_t cc_counter, pmu_state_t pmu_state);
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/** @brief enable RTC clock, used after asr_drv_rtc_cc_set.
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*/
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void asr_drv_rtc_enable();
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/** @brief goto sleep state.
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* @param pmu_state: state to set:MODEMSLEEP/LIGHTSLEEP/DEEPSLEEP.
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* @param pmu_state: state to set:MODEMSLEEP/LIGHTSLEEP/DEEPSLEEP.
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*/
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void asr_drv_goto_sleep(pmu_state_t pmu_state);
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/** @brief goto active state, call when waked from SLEEP states.
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*/
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void asr_drv_goto_active();
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#endif //__PMU_H
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