usb_kill_urb()会彻底终止 urb 的生命周期,它通常在设备的disconnect()函数中被调用。 当urb生命结束时(处理完成或被解除链接),通过 urb结构体的 status成员可以获知其原因,如 0表示传输成功,-ENOENT 表示被 usb_kill_urb()杀死,-ECONNRESET表示被 usb_unlink_urb()杀死, -EPROTO 表示传输中发生了 bitstuff...
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take …for granted(认为```理所当然)imply(暗示)84.curiosity(好奇心) significance(重要性)determination(决心)status(社会身份地位)85.accurate(准确,精确)urgent(急迫,要紧的) adequate(充足的,适当的)excessive(过度,过量的)86.go into(进入,参加,调查)go back on(违背诺言)go through(经历,查找)go alone ...
[5] RUN / STOP STATUS 电机2的制动控制条件充足时,可以激活或非激活. [6] WARNING (Warning Status) 变频器警告发生时激活. [7] Direction 反转信号输入时激活. [8] JOG State (Jog Input State) 点动信号输入激活. [9] OV/OC/UV Limit (OV/OC/UV Limiting Function) 过电压抑制或过电流抑制功能工作...