打开task\_system.c文件，内容如下： ``` #include "task_system.h" #include "svc_log.h" #include "svc_system.h" /* * System Status for this task, we can contorls this status to decide work mode. * * Work mode(The following list is ordered from highest priority to lowest): * SVC_SYSTEM_STATUS_BUSY * SVC_SYSTEM_STATUS_PERIODIC_SLEEP * SVC_SYSTEM_STATUS_SLEEP * SVC_SYSTEM_STATUS_PERIODIC_DEEPSLEEP * SVC_SYSTEM_STATUS_DEEPSLEEP * * @Warning: Working mode can be specified for each task. */ static svc_system_status_descripter_t task_system_status; /* * Function declaration: Runner for this task. */ static void task_system_run(void); /* * Function declaration: System status feedback function. */ static svc_system_status_descripter_t task_system_status_feedback(void); /* * Function declaration: System event monitor. */ static void task_system_on_event(uint8_t event, void *args); /* * Task initialization. */ void task_system_init() { /* Set current system status to BUSY */ task_system_status.indication = SVC_SYSTEM_STATUS_BUSY; /* Register system status feedback function */ svc_system_register_status_feedback(task_system_status_feedback); /* Register event monitor */ svc_system_register_event_monitor(task_system_on_event); /* Start a periodic timer */ svc_system_start_timer(task_system_run, 100, 0); /* Tips */ svc_log_write_lcd_lines(0, "system running!", 0, 0, 0); } /* * Function implementation: Runner for this task. */ void task_system_run() { task_system_status.indication = SVC_SYSTEM_STATUS_DEEPSLEEP; } /* * Function implementation: System status feedback function. */ svc_system_status_descripter_t task_system_status_feedback() { return task_system_status; } /* * Function implementation: System event monitor. */ void task_system_on_event(uint8_t event, void *args) { switch (event) { /* Event: Power On */ case SVC_SYSTEM_EVENT_POWERON: break; #ifdef __LPM__ /* Event(LPM): Before Sleep */ case SVC_SYSTEM_EVENT_BEFORE_SLEEP: break; /* Event(LPM): Before Deepsleep */ case SVC_SYSTEM_EVENT_BEFORE_DEEPSLEEP: break; /* Event(LPM): Wakeup From Sleep */ case SVC_SYSTEM_EVENT_WAKEUP_FROM_SLEEP: break; /* Event(LPM): Wakeup From Deepsleep */ case SVC_SYSTEM_EVENT_WAKEUP_FROM_DEEPSLEEP: break; #endif /* Event(BUTTON): Click */ case SVC_SYSTEM_EVENT_BUTTON_ON_CLICK: break; /* Event(BUTTON): Double Clicks */ case SVC_SYSTEM_EVENT_BUTTON_DOUBLE_CLICKS: break; /* Event(BUTTON): Triple Clicks */ case SVC_SYSTEM_EVENT_BUTTON_TRIPLE_CLICKS: break; /* Event(BUTTON): Fivefold Clicks */ case SVC_SYSTEM_EVENT_BUTTON_FIVEFOLD_CLICKS: break; /* Event(BUTTON): Tenfold Clicks */ case SVC_SYSTEM_EVENT_BUTTON_TENFOLD_CLICKS: break; /* Event(BUTTON): Hold 3 Seconds */ case SVC_SYSTEM_EVENT_BUTTON_LONG_PRESS_3S: break; /* Event(BUTTON): Hold 5 Seconds */ case SVC_SYSTEM_EVENT_BUTTON_LONG_PRESS_5S: break; /* Event(BUTTON): Hold 10 Seconds */ case SVC_SYSTEM_EVENT_BUTTON_LONG_PRESS_10S: break; default: break; } /* switch */ } ```