| 666 | } |
| 667 | |
| 668 | static int wdt_task(int argc, char *argv[]) |
| 669 | { |
| 670 | rt_err_t ret = -RT_ERROR; |
| 671 | rt_uint16_t wdt_time = 5; |
| 672 | char dev_name[] = "wdt"; |
| 673 | if(argc == 2) |
| 674 | { |
| 675 | if(rt_strcmp(argv[1],"start") == 0) |
| 676 | { |
| 677 | /* Find wdt devices */ |
| 678 | wdt_dev = rt_device_find(dev_name); |
| 679 | if(wdt_dev == RT_NULL) |
| 680 | { |
| 681 | rt_kprintf("No corresponding equipment found.\n"); |
| 682 | return -1; |
| 683 | } |
| 684 | /* Configuring the Watchdog */ |
| 685 | ret = rt_device_control(wdt_dev, RT_DEVICE_CTRL_WDT_SET_TIMEOUT, &wdt_time); |
| 686 | if(ret != RT_EOK) |
| 687 | { |
| 688 | rt_kprintf("wdt configuration failed.\n"); |
| 689 | return -1; |
| 690 | } |
| 691 | /* Start the Watchdog */ |
| 692 | ret = rt_device_control(wdt_dev, RT_DEVICE_CTRL_WDT_START, RT_NULL); |
| 693 | if(ret != RT_EOK) |
| 694 | { |
| 695 | rt_kprintf("wdt start failed.\n"); |
| 696 | return -1; |
| 697 | } |
| 698 | /* Setting up idle threads */ |
| 699 | rt_thread_idle_sethook(wdt_test); |
| 700 | rt_kprintf("Watchdog started successfully.\n"); |
| 701 | } |
| 702 | else if(rt_strcmp(argv[1],"stop") == 0) |
| 703 | { |
| 704 | /* Verify device handle */ |
| 705 | if(wdt_dev == RT_NULL) |
| 706 | { |
| 707 | rt_kprintf("Device handle does not exist.\n"); |
| 708 | return -1; |
| 709 | } |
| 710 | /* Stop the Watchdog */ |
| 711 | ret = rt_device_control(wdt_dev, RT_DEVICE_CTRL_WDT_STOP, RT_NULL); |
| 712 | if(ret != RT_EOK) |
| 713 | { |
| 714 | rt_kprintf("wdt start failed.\n"); |
| 715 | return -1; |
| 716 | } |
| 717 | /* Hook function to delete idle threads */ |
| 718 | rt_thread_idle_delhook(wdt_test); |
| 719 | rt_kprintf("Watchdog has stopped.\n"); |
| 720 | } |
| 721 | } |
| 722 | else |
| 723 | { |
| 724 | rt_kprintf("Necessary parameters are missing.\n"); |
| 725 | rt_kprintf("You can use the following commands.\n"); |
nothing calls this directly
no test coverage detected