用USB转串口连接PC和板子后用指令
dmesg|grep USB0
[ 14.438872] usb 6-1: pl2303 converter now attached to ttyUSB0
[ 138.289332] pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0
[ 6229.382259] usb 6-1: pl2303 converter now attached to ttyUSB0
[ 6295.154351] pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0
[ 6434.189434] usb 6-1: pl2303 converter now attached to ttyUSB0
[ 6439.984493] pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0
[ 6572.561404] usb 6-1: pl2303 converter now attached to ttyUSB0
[ 6580.354391] pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0
[ 6801.852250] usb 6-1: pl2303 converter now attached to ttyUSB0
[ 6931.769890] pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0
[ 7086.191894] usb 6-1: pl2303 converter now attached to ttyUSB0
[ 7302.032898] pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0
[ 7763.929614] usb 6-1: pl2303 converter now attached to ttyUSB0
[ 7784.640502] pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0
[ 7827.555805] usb 7-1: pl2303 converter now attached to ttyUSB0
[ 7867.472524] pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0
[ 8043.975818] usb 6-1: pl2303 converter now attached to ttyUSB0
[ 8068.848826] pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0
[ 8175.357589] usb 6-1: pl2303 converter now attached to ttyUSB0
[ 8186.648505] pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0
[ 9172.591543] usb 6-1: pl2303 converter now attached to ttyUSB0
[ 9194.521424] pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0
minicom打不开,求解决办法,原来是串口线坏了
什么输出都没有,用dmesg|grep tty输出[ 0.000000] console [tty0] enabled
[ 14.848012] usb 6-1: pl2303 converter now attached to ttyUSB0
[ 440.865748] pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0
[ 441.281954] usb 6-1: pl2303 converter now attached to ttyUSB1
[ 461.696357] pl2303 ttyUSB1: pl2303 converter now disconnected from ttyUSB1
[ 463.602102] usb 6-1: pl2303 converter now attached to ttyUSB1
[ 1050.696354] pl2303 ttyUSB1: pl2303 converter now disconnected from ttyUSB1
[ 1052.617501] usb 6-1: pl2303 converter now attached to ttyUSB0
但是minicom端还是没输出