当我连接设备输出如下信息：[ 164.976879] usb 1-1: USB disconnect, device number 96
[ 165.701312] usb 1-1: new high-speed USB device number 97 using xhci-hcd
[ 165.901826] cdc_acm 1-1:1.0: ttyACM0: USB ACM device
[ 166.314031] usb 1-1: USB disconnect, device number 97
[ 167.881315] usb 1-1: new high-speed USB device number 98 using xhci-hcd
[ 168.062053] usb 1-1: unable to read config index 0 descriptor/all
[ 168.062077] usb 1-1: can't read configurations, error -71
[ 168.431315] usb 1-1: new high-speed USB device number 99 using xhci-hcd
[ 170.017878] usb 1-1: USB disconnect, device number 99
[ 170.731326] usb 1-1: new high-speed USB device number 100 using xhci-hcd
[ 170.933326] cdc_acm 1-1:1.0: ttyACM0: USB ACM device
[ 171.347500] usb 1-1: USB disconnect, device number 100
[ 172.911320] usb 1-1: new high-speed USB device number 101 using xhci-hcd
[ 173.092044] usb 1-1: unable to read config index 0 descriptor/all
[ 173.092069] usb 1-1: can't read configurations, error -71
[ 173.461315] usb 1-1: new high-speed USB device number 102 using xhci-hcd
[ 175.226136] usb 1-1: USB disconnect, device number 102
[ 175.951321] usb 1-1: new high-speed USB device number 103 using xhci-hcd
[ 176.152588] cdc_acm 1-1:1.0: ttyACM0: USB ACM device
[ 176.564753] usb 1-1: USB disconnect, device number 103
[ 191.671315] usb 1-1: new high-speed USB device number 104 using xhci-hcd
[ 191.873442] cdc_acm 1-1:1.0: ttyACM0: USB ACM device
[ 192.291500] usb 1-1: USB disconnect, device number 104
[ 196.241313] usb 1-1: new high-speed USB device number 105 using xhci-hcd
[ 196.422060] usb 1-1: unable to read config index 0 descriptor/all
[ 196.422085] usb 1-1: can't read configurations, error -71
[ 196.791310] usb 1-1: new high-speed USB device number 106 using xhci-hcd
[ 197.850628] usb 1-1: USB disconnect, device number 106
[ 199.531327] usb 1-1: new high-speed USB device number 107 using xhci-hcd
我是luckfox pico pro 通过sub连接ML307R
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- Attachments
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- 连接图
您好，第三方硬件的适配我们没有测试场景无法提供技术支持，根据日志推测可能是供电不足带来的不稳定，串口模块能提供的供电能力有限