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| -rw-r--r-- | examples/pm/wakeup_app.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/examples/pm/wakeup_app.c b/examples/pm/wakeup_app.c new file mode 100644 index 0000000000..0d4c42a997 --- /dev/null +++ b/examples/pm/wakeup_app.c @@ -0,0 +1,77 @@ +/* + * Copyright (c) 2006-2018, RT-Thread Development Team + * + * SPDX-License-Identifier: Apache-2.0 + * + * Change Logs: + * Date Author Notes + * 2019-05-09 Zero-Free first implementation + */ + +#include <board.h> +#include <rtthread.h> +#include <rtdevice.h> + +#ifdef RT_USING_PM + +#define WAKEUP_EVENT_BUTTON (1 << 0) +#define PIN_LED_R GET_PIN(E, 7) +#define WAKEUP_PIN GET_PIN(C, 13) +#define WAKEUP_APP_THREAD_STACK_SIZE 1024 + +static rt_event_t wakeup_event; + +static void wakeup_callback(void *args) +{ + rt_event_send(wakeup_event, WAKEUP_EVENT_BUTTON); +} + +static void wakeup_init(void) +{ + rt_pin_mode(WAKEUP_PIN, PIN_MODE_INPUT_PULLUP); + rt_pin_attach_irq(WAKEUP_PIN, PIN_IRQ_MODE_FALLING, wakeup_callback, RT_NULL); + rt_pin_irq_enable(WAKEUP_PIN, 1); +} + +static void wakeup_app_entry(void *parameter) +{ + wakeup_init(); + rt_pm_request(PM_SLEEP_MODE_DEEP); + + while (1) + { + if (rt_event_recv(wakeup_event, + WAKEUP_EVENT_BUTTON, + RT_EVENT_FLAG_AND | RT_EVENT_FLAG_CLEAR, + RT_WAITING_FOREVER, RT_NULL) == RT_EOK) + { + rt_pm_request(PM_SLEEP_MODE_NONE); + + rt_pin_mode(PIN_LED_R, PIN_MODE_OUTPUT); + rt_pin_write(PIN_LED_R, 0); + rt_thread_delay(rt_tick_from_millisecond(500)); + rt_pin_write(PIN_LED_R, 1); + + rt_pm_release(PM_SLEEP_MODE_NONE); + } + } +} + +static int wakeup_app(void) +{ + rt_thread_t tid; + + wakeup_event = rt_event_create("wakup", RT_IPC_FLAG_FIFO); + RT_ASSERT(wakeup_event != RT_NULL); + + tid = rt_thread_create("wakeup_app", wakeup_app_entry, RT_NULL, + WAKEUP_APP_THREAD_STACK_SIZE, RT_MAIN_THREAD_PRIORITY, 20); + RT_ASSERT(tid != RT_NULL); + + rt_thread_startup(tid); + + return 0; +} +INIT_APP_EXPORT(wakeup_app); + +#endif |