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board/ports/pm/drv_pm.c

@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2018-07-31     tanek        first version
+ */
+
+#include <rthw.h>
+#include <rtthread.h>
+#include <rtdevice.h>
+#include <board.h>
+/**
+ * This function will put STM32F4xx into sleep mode.
+ *
+ * @param pm pointer to power manage structure
+ */
+static void sleep(struct rt_pm *pm, uint8_t mode)
+{
+    switch (mode)
+    {
+    case PM_SLEEP_MODE_NONE:
+        break;
+
+    case PM_SLEEP_MODE_IDLE:
+        break;
+
+    case PM_SLEEP_MODE_LIGHT:
+        HAL_SuspendTick();  /* 关闭系统时钟中断 */
+        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 */
+        break;
+
+    case PM_SLEEP_MODE_DEEP:
+        HAL_SuspendTick();  /* 关闭系统时钟中断 */
+        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  */
+        break;
+
+    case PM_SLEEP_MODE_STANDBY:
+        break;
+
+    case PM_SLEEP_MODE_SHUTDOWN:
+        break;
+
+    default:
+        RT_ASSERT(0);
+        break;
+    }
+}
+
+/**
+ * This function will be Called in Wake up interrupt callback
+ *
+ * @param pm pointer to power manage structure
+ */
+
+static struct rt_device *device = RT_NULL;
+static struct rt_pm *pm = RT_NULL;
+
+void pm_wk_up()
+{
+
+    switch (pm->sleep_mode)
+    {
+    case PM_SLEEP_MODE_NONE:
+        break;
+
+    case PM_SLEEP_MODE_IDLE:
+        break;
+
+    case PM_SLEEP_MODE_LIGHT:
+        HAL_ResumeTick();   /* 启动系统时钟中断 */
+        break;
+
+    case PM_SLEEP_MODE_DEEP:
+        SystemClock_Config(); /* 重新配置系统时钟 */
+        HAL_ResumeTick();   /* 启动系统时钟中断 */
+        break;
+
+    case PM_SLEEP_MODE_STANDBY:
+        break;
+
+    case PM_SLEEP_MODE_SHUTDOWN:
+        break;
+
+    default:
+        RT_ASSERT(0);
+        break;
+    }
+
+}
+
+/**
+ * This function initialize the power manager
+ */
+static int drv_pm_hw_init(void)
+{
+    static const struct rt_pm_ops _ops =
+    {
+        sleep,
+        RT_NULL,
+        RT_NULL,
+        RT_NULL,
+        RT_NULL
+    };
+
+    /* initialize system pm module */
+    rt_system_pm_init(&_ops, 0, RT_NULL);
+
+    /* get pm device */
+    device = rt_device_find("pm");
+    if(device == RT_NULL)
+    {
+        rt_kprintf("rt_pm find error");
+        return 0;
+    }
+    pm = rt_container_of(device,struct rt_pm,parent);
+    return 1;
+}
+INIT_DEVICE_EXPORT(drv_pm_hw_init);

board/ports/pm/drv_wakeup.c

@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2018-08-07     Tanek        first implementation
+ */
+
+#include <rtthread.h>
+#include <rtdevice.h>
+#include <stm32F4xx.h>
+#include "board.h"
+#include "drv_gpio.h"
+
+#define USER_WAKEUP_PIN       GET_PIN(C, 5)
+#define DRV_WKUP_PIN_IRQ_MODE PIN_IRQ_MODE_FALLING
+
+static void (*_wakeup_hook)(void);
+
+void bsp_register_wakeup(void (*hook)(void))
+{
+    RT_ASSERT(hook != RT_NULL);
+
+    _wakeup_hook = hook;
+}
+
+static void _wakeup_callback(void *args)
+{
+    extern void pm_wk_up();
+    pm_wk_up();   /* wakeup from deep sleep */
+    if (_wakeup_hook)
+        _wakeup_hook();
+}
+
+static int rt_hw_wakeup_init(void)
+{
+    rt_pin_mode(USER_WAKEUP_PIN, PIN_MODE_INPUT_PULLUP);
+    rt_pin_attach_irq(USER_WAKEUP_PIN, DRV_WKUP_PIN_IRQ_MODE, _wakeup_callback, RT_NULL);
+    rt_pin_irq_enable(USER_WAKEUP_PIN, 1);
+    return 0;
+}
+INIT_BOARD_EXPORT(rt_hw_wakeup_init);

board/ports/pm/drv_wakeup.h

@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2018-08-07     Tanek        first implementation
+ */
+
+#ifndef  __DRV_WAKEUP_H__
+#define  __DRV_WAKEUP_H__
+
+extern void bsp_register_wakeup(void (*hook)(void));
+
+#endif /* __DRV_WAKEUP_H__ */
+