标题: PL2303芯片在安卓系统上识别成GSM modem [打印本页] 作者: feng3327 时间: 2015-3-21 10:59 标题: PL2303芯片在安卓系统上识别成GSM modem 把usb gps设备插入到usb中，用adb shell dmesg，打印成了：
<4>[ 253.989862] option_instat_callback,recieve -71 error more than 10 times,so
reset usb
<6>[ 253.990330] option1 ttyUSB0: GSM modem (1-port) converter now disconnected
from ttyUSB0
<6>[ 253.990524] option 2-1.4:1.0: device disconnected
<6>[ 254.011240] usb 2-1.4: USB disconnect, device number 5
<6>[ 260.469643] usb 2-1.4: new full speed USB device number 6 using usb20_host
<6>[ 260.570803] usb 2-1.4: New USB device found, idVendor=067b, idProduct=2303
<6>[ 260.570909] usb 2-1.4: New USB device strings: Mfr=1, Product=2, SerialNum
ber=0
<6>[ 260.571013] usb 2-1.4: Product: USB-Serial Controller D
<6>[ 260.571082] usb 2-1.4: Manufacturer: Prolific Technology Inc.
<6>[ 260.574447] option 2-1.4:1.0: GSM modem (1-port) converter detected
<6>[ 260.576154] usb 2-1.4: GSM modem (1-port) converter now attached to ttyUSB0