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https://github.com/jialexd/sdk-ameba-v4.0c_180328.git
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248 lines
8.4 KiB
C
Executable file
248 lines
8.4 KiB
C
Executable file
/** mbed Microcontroller Library
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******************************************************************************
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* @file sleep.c
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* @author
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* @version V1.0.0
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* @date 2016-08-01
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* @brief This file provides mbed API for SLEEP.
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******************************************************************************
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* @attention
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*
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* This module is a confidential and proprietary property of RealTek and
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* possession or use of this module requires written permission of RealTek.
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*
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* Copyright(c) 2016, Realtek Semiconductor Corporation. All rights reserved.
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******************************************************************************
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*/
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#include "sleep_ex_api.h"
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#include "cmsis.h"
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SLEEP_WAKEUP_EVENT DStandbyWakeupEvent={0};
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/**
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* @brief To make the system entering the Clock Gated power saving.
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* This function just make the system to enter the clock gated
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* power saving mode and pending on wake up event waitting.
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* The user application need to configure the peripheral to
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* generate system wake up event, like GPIO interrupt,
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* G-Timer timeout, etc. befor entering power saving mode.
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* @param wakeup_event: A bit map of wake up event.
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* This parameter can be any combination of the following values:
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* @arg SLEEP_WAKEUP_BY_STIMER
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* @arg SLEEP_WAKEUP_BY_GPIO_INT
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* @arg SLEEP_WAKEUP_BY_WLAN
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* @arg SLEEP_WAKEUP_BY_SDIO
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* @arg SLEEP_WAKEUP_BY_USB
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* @arg SLEEP_WAKEUP_BY_GPIO
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* @arg SLEEP_WAKEUP_BY_UART
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* @arg SLEEP_WAKEUP_BY_I2C
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* @arg SLEEP_WAKEUP_BY_RTC
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* @param sleep_duration: the system sleep duration in ms, only valid
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* for SLEEP_WAKEUP_BY_STIMER wake up event.
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* @retval None
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*/
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void sleep_ex(uint32_t wakeup_event, uint32_t sleep_duration)
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{
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__asm volatile( "cpsid i" );
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SOCPS_SleepInit();
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/* user setting have high priority */
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SOCPS_SetWakeEvent(wakeup_event, ENABLE);
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if (sleep_duration > 0) {
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SOCPS_SET_REGUTIMER(sleep_duration, 0xFFFFFFFF);
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}
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SOCPS_SleepPG();
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}
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/**
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* @brief To make the system entering the Clock Gated power saving.
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* This function just make the system to enter the clock gated
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* power saving mode and pending on wake up event waitting.
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* The user application need to configure the peripheral to
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* generate system wake up event, like GPIO interrupt
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* , G-Timer timeout, etc. befor entering power saving mode.
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* @param wakeup_event: A bit map of wake up event.
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* This parameter can be any combination of the following values:
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* @arg SLEEP_WAKEUP_BY_STIMER
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* @arg SLEEP_WAKEUP_BY_GPIO_INT
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* @arg SLEEP_WAKEUP_BY_WLAN
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* @arg SLEEP_WAKEUP_BY_SDIO
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* @arg SLEEP_WAKEUP_BY_USB
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* @arg SLEEP_WAKEUP_BY_GPIO
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* @arg SLEEP_WAKEUP_BY_UART
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* @arg SLEEP_WAKEUP_BY_I2C
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* @arg SLEEP_WAKEUP_BY_RTC
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* @param sleep_duration: the system sleep duration in ms, only valid
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* for SLEEP_WAKEUP_BY_STIMER wake up event.
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* @param clk_sourec_enable: the option for SCLK on(1)/off(0)
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* @param sdr_enable: the option for turn off the SDR controller (1:off, 0:on)
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* @retval None
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*/
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void sleep_ex_selective(uint32_t wakeup_event, uint32_t sleep_duration, uint32_t clk_sourec_enable, uint32_t sdr_enable)
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{
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sleep_ex(wakeup_event, sleep_duration);
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}
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/**
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* @brief To add a wake up event to wake up the system from the
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* deep standby power saving mode.
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* @param wakeup_event: A bit map of wake up event.
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* This parameter can be any combination of the following values:
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* @arg STANDBY_WAKEUP_BY_STIMER
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* @arg STANDBY_WAKEUP_BY_GPIO
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* @arg STANDBY_WAKEUP_BY_RTC
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* @param sleep_duration_ms: the system sleep duration in ms, only valid
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* for STANDBY_WAKEUP_BY_STIMER wake up event.
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* @param gpio_active: for a GPIO pin to wake up the system by goes high or low
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* This parameter can be any combination of the following values:
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* @arg WAKEUP_BY_GPIO_NONE
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* @arg WAKEUP_BY_GPIO_WAKEUP0_LOW
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* @arg WAKEUP_BY_GPIO_WAKEUP0_HIG
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* @arg WAKEUP_BY_GPIO_WAKEUP1_LOW
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* @arg WAKEUP_BY_GPIO_WAKEUP1_HIG
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* @arg WAKEUP_BY_GPIO_WAKEUP2_LOW
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* @arg WAKEUP_BY_GPIO_WAKEUP2_HIG
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* @arg WAKEUP_BY_GPIO_WAKEUP3_LOW
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* @arg WAKEUP_BY_GPIO_WAKEUP3_HIG
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* @retval None
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*/
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void standby_wakeup_event_add(uint32_t wakeup_event, u32 gpio_active)
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{
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DStandbyWakeupEvent.wakeup_event |= wakeup_event;
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if (gpio_active != 0) {
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DStandbyWakeupEvent.gpio_option |= gpio_active;
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}
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}
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/**
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* @brief To delete a wake up event for wakeing up the system from the
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* deep standby power saving mode.
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* @param wakeup_event: A bit map of wake up event.
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* This parameter can be any combination of the following values:
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* @arg STANDBY_WAKEUP_BY_STIMER
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* @arg STANDBY_WAKEUP_BY_GPIO
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* @arg STANDBY_WAKEUP_BY_RTC
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* @retval None
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*/
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void standby_wakeup_event_del(uint32_t wakeup_event)
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{
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DStandbyWakeupEvent.wakeup_event &= ~wakeup_event;
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}
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/**
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* @brief To make the system entering the Deep Standby power saving.
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* The CPU, memory and part fo peripheral power is off when
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* entering deep standby power saving mode. The program needs
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* to be reload from the flash at system resume.
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* @retval None
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*/
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void deepstandby_ex(uint32_t sleep_duration_ms)
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{
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__asm volatile( "cpsid i" );
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/* Clear event */
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SOCPS_ClearWakeEvent();
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/* power mode option: */
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SOCPS_DstandbyInit();
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if (DStandbyWakeupEvent.wakeup_event & STANDBY_WAKEUP_BY_STIMER) {
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DStandbyWakeupEvent.timer_duration = sleep_duration_ms;
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}
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/* user setting have high priority */
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if (DStandbyWakeupEvent.wakeup_event != 0) {
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SOCPS_SetWakeEvent(DStandbyWakeupEvent.wakeup_event, ENABLE);
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}
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if (DStandbyWakeupEvent.gpio_option != WAKEUP_BY_GPIO_NONE) {
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SOCPS_WakePinsCtrl(DStandbyWakeupEvent.gpio_option);
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}
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if (DStandbyWakeupEvent.timer_duration > 0) {
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SOCPS_SET_REGUTIMER(DStandbyWakeupEvent.timer_duration, 0xFFFFFFFF);
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}
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SOCPS_DeepStandby_RAM();
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}
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/**
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* @brief To make the system entering the Deep Sleep power saving mode.
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* The CPU, memory and peripheral power is off when entering
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* deep sleep power saving mode. The program needs to be reload
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* and all peripheral needs be re-configure when system resume.
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* @param wakeup_event: A bit map of wake up event.
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* This parameter can be any combination of the following values:
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* @arg DSLEEP_WAKEUP_BY_TIMER
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* @arg DSLEEP_WAKEUP_BY_GPIO
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* @param sleep_duration: the system sleep duration in ms, only valid
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* for DSLEEP_WAKEUP_BY_TIMER wake up event.
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* @retval None
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*/
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void deepsleep_ex(uint32_t wakeup_event, uint32_t sleep_duration)
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{
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__asm volatile( "cpsid i" );
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SOCPS_DsleepInit();
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if (sleep_duration > 0) {
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SOCPS_SET_REGUTIMER(sleep_duration, 0xFFFFFFFF);
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}
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SOCPS_DeepSleep_RAM();
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}
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/**
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* @brief get deep sleep wakeup reason.
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* @retval BIT(0): Timer, BIT(2): GPIO
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*/
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int deepsleep_get_bootup_reason()
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{
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int Reason = SOCPS_DsleepWakeReason();
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if (Reason & BIT_SYSON_DSLP_WTIMER33)
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return DSLEEP_WAKEUP_BY_TIMER;
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else if (Reason & BIT_SYSON_DSLP_GPIO)
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return DSLEEP_WAKEUP_BY_GPIO;
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else
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return 0;
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}
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/**
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* @brief get deep standby wakeup reason.
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* @retval BIT(29): GPIO, BIT(28): REGU A33, BIT(13): RTC, BIT(0): ANA
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*/
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int deepstandby_get_bootup_reason()
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{
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int Reason = SOCPS_DstandbyWakeReason();
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if (Reason & BIT_SYSON_WEVT_GPIO_DSTBY_STS)
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return STANDBY_WAKEUP_BY_GPIO;
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else if (Reason & BIT_SYSON_WEVT_A33_STS)
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return STANDBY_WAKEUP_BY_STIMER;
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else if (Reason & BIT_SYSON_WEVT_RTC_STS)
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return STANDBY_WAKEUP_BY_RTC;
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else
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return 0;
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}
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/**
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* @brief get deep standby gpio wakeup reason.
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* @retval BIT(24): _PA_18, BIT(25): _PA_5, BIT(26): _PA_22, BIT(27): _PA_23
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*/
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int deepstandby_get_bootup_reason_gpio() {
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int reason_gpio = 0;
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reason_gpio = SOCPS_DstandbyWakeReason_gpio();
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if (reason_gpio & BIT_SYS_WAKEPIN0_WEVENT_STS)
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return WAKUP_0;
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else if (reason_gpio & BIT_SYS_WAKEPIN1_WEVENT_STS)
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return WAKUP_1;
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else if (reason_gpio & BIT_SYS_WAKEPIN2_WEVENT_STS)
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return WAKUP_2;
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else if (reason_gpio & BIT_SYS_WAKEPIN3_WEVENT_STS)
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return WAKUP_3;
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}
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/******************* (C) COPYRIGHT 2016 Realtek Semiconductor *****END OF FILE****/
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