將s3c2410的开發板上下载了LINUX系統,当插上蓝牙適配器后串口出现以下打印信息,并且是有时候出现有时候不出现,请问是什么原因?
usb 1-1:device descriptor read/64,error -110
usb 1-1:device descriptor read/64,error -110
usb 1-1:new full speed USB device using s3c2410-ohci and adress3
usb 1-1:device descriptor read/64,error -110
usb 1-1:device descriptor read/64,error -110
usb 1-1:new full speed USB device using s3c2410-ohci and adress4
usb 1-1:device device not accepting address 4,error -110
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