[finsh][cmd] Enhance system robustness (#5832)
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@ -793,7 +793,7 @@ long list_timer(void)
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MSH_CMD_EXPORT(list_timer, list timer in system);
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#ifdef RT_USING_DEVICE
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static char *const device_type_str[] =
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static char *const device_type_str[RT_Device_Class_Unknown] =
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{
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"Character Device",
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"Block Device",
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@ -825,7 +825,6 @@ static char *const device_type_str[] =
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"DAC Device",
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"WDT Device",
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"PWM Device",
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"Unknown"
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};
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long list_device(void)
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@ -834,6 +833,7 @@ long list_device(void)
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list_get_next_t find_arg;
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rt_list_t *obj_list[LIST_FIND_OBJ_NR];
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rt_list_t *next = (rt_list_t *)RT_NULL;
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const char *device_type;
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int maxlen;
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const char *item_title = "device";
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@ -866,12 +866,16 @@ long list_device(void)
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rt_hw_interrupt_enable(level);
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device = (struct rt_device *)obj;
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device_type = "Unknown";
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if (device->type < RT_Device_Class_Unknown &&
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device_type_str[device->type] != RT_NULL)
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{
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device_type = device_type_str[device->type];
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}
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rt_kprintf("%-*.*s %-20s %-8d\n",
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maxlen, RT_NAME_MAX,
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device->parent.name,
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(device->type <= RT_Device_Class_Unknown) ?
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device_type_str[device->type] :
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device_type_str[RT_Device_Class_Unknown],
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device_type,
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device->ref_count);
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}
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