union的定义union //程序标志位{uint16 Register;struct {uint8 bus_rese

来源：学生作业帮编辑：作业帮分类：综合作业时间：2024/05/11 03:15:36

union的定义
union //程序标志位
{
uint16 Register;
struct
{
uint8 bus_reset :1;
uint8 suspend :1;
uint8 remote_wakeup :1;
uint8 int_isr :1;
uint8 not_end :1;
uint8 usb_idle :1;
uint8 usb_busy :1;
uint8 setup_packet_in :1;
uint8 setup_packet_out :1;
uint8 set_addr :1;
uint8 usb_endp0_in :1;
uint8 usb_endp2_in :1;
uint8 usb_endp2_out :1;
}flags;
}usb_flags;

这里的1意思是定义1个位的大小来存储1或0两中状态

union的定义union //程序标志位{uint16 Register;struct {uint8 bus_rese 有关“city union”标志的交通卡 Union和Union All的区别 Soviet Union 的音标 left of '._Myptr' must have class/struct/union type uint8和uint16 是什么数据类型? 怎么union和union all 执行的结果一样啊 union与federation的区别 union是什么意思? Customer union Union Jack European Union