122 lines
2.5 KiB
C
122 lines
2.5 KiB
C
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/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2018-07-31 tanek first version
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*/
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#include <rthw.h>
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#include <rtthread.h>
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#include <rtdevice.h>
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#include <board.h>
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/**
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* This function will put STM32F4xx into sleep mode.
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*
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* @param pm pointer to power manage structure
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*/
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static void sleep(struct rt_pm *pm, uint8_t mode)
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{
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switch (mode)
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{
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case PM_SLEEP_MODE_NONE:
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break;
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case PM_SLEEP_MODE_IDLE:
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break;
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case PM_SLEEP_MODE_LIGHT:
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HAL_SuspendTick(); /* 关闭系统时钟中断 */
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HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI); /* 进入 F407 sleep 模式，这个模式会停掉所有时钟，可被任意中断唤醒 */
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break;
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case PM_SLEEP_MODE_DEEP:
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HAL_SuspendTick(); /* 关闭系统时钟中断 */
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HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI); /* 进入 F407 stop 模式，这个模式会停掉所有时钟，可被任意中断唤醒 */
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break;
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case PM_SLEEP_MODE_STANDBY:
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break;
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case PM_SLEEP_MODE_SHUTDOWN:
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break;
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default:
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RT_ASSERT(0);
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break;
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}
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}
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/**
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* This function will be Called in Wake up interrupt callback
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*
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* @param pm pointer to power manage structure
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*/
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static struct rt_device *device = RT_NULL;
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static struct rt_pm *pm = RT_NULL;
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void pm_wk_up()
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{
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switch (pm->sleep_mode)
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{
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case PM_SLEEP_MODE_NONE:
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break;
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case PM_SLEEP_MODE_IDLE:
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break;
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case PM_SLEEP_MODE_LIGHT:
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HAL_ResumeTick(); /* 启动系统时钟中断 */
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break;
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case PM_SLEEP_MODE_DEEP:
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SystemClock_Config(); /* 重新配置系统时钟 */
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HAL_ResumeTick(); /* 启动系统时钟中断 */
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break;
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case PM_SLEEP_MODE_STANDBY:
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break;
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case PM_SLEEP_MODE_SHUTDOWN:
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break;
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default:
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RT_ASSERT(0);
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break;
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}
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}
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/**
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* This function initialize the power manager
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*/
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static int drv_pm_hw_init(void)
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{
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static const struct rt_pm_ops _ops =
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{
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sleep,
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RT_NULL,
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RT_NULL,
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RT_NULL,
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RT_NULL
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};
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/* initialize system pm module */
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rt_system_pm_init(&_ops, 0, RT_NULL);
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/* get pm device */
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device = rt_device_find("pm");
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if(device == RT_NULL)
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{
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rt_kprintf("rt_pm find error");
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return 0;
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}
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pm = rt_container_of(device,struct rt_pm,parent);
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return 1;
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}
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INIT_DEVICE_EXPORT(drv_pm_hw_init);
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