rm500q-ea,原来是usb模式能识别到usb口，通过AT指令设置了adbkey，poweroff后无法识别到modem的usb信息，无法使用
OK
ATI
Quectel
RG500Q-EA
Revision: RG500QEAAAR11A02M4G
OK
AT+QCFG
ERROR
AT+QCFG?
OK
AT+QCFG=?
+QCFG: "rrc",(0-5)
+QCFG: "hsdpacat",(6,8,10-24)
+QCFG: "hsupacat",(5,6)
+QCFG: "pdp/duplicatechk",(0,1)
+QCFG: "risignaltype",("respective","physical")
+QCFG: "lte/bandprior",(1-43),(1-43),(1-43)
+QCFG: "volte_disable",(0,1)
+QCFG: "usbspeed",("20","30")
+QCFG: "data_interface",(0,1),(0,1)
+QCFG: "pcie/mode",(0,1)
+QCFG: "pcie_mbim",(0,1)
+QCFG: "sms_control",(0,1),(0,1)
+QCFG: "call_control",(0,1),(0,1)
+QCFG: "usb/maxpower",(0-900)
+QCFG: "efratctl",(0,1)
+QCFG: "netmaskset",(0,1)[,<netmask>]
OK
AT+QCFG="data_interface"
+QCFG: "data_interface",0,0
OK
AT+QCFG="usbcfg"
+QCFG: "usbcfg",0x2C7C,0x0800,1,1,1,1,1,0
OK
AT+QADBKEY
ERROR
AT+QADBKEY?
+QADBKEY: 31652240
OK
AT+QADBKEY="5BaSsEQvsKvtqv4"
OK
AT+QPOWD=1
OK
POWERED DOWN
Terminating...
Thanks for using picocom
root@ok3588:~#
root@ok3588:~#
root@ok3588:~# lsusb -t
/: Bus 06.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M
/: Bus 05.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M
/: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=ohci-platform/1p, 12M
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=ohci-platform/1p, 12M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-platform/1p, 480M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-platform/1p, 480M
root@ok3588:~# lsusb -t
/: Bus 06.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M
/: Bus 05.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M
/: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=ohci-platform/1p, 12M
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=ohci-platform/1p, 12M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-platform/1p, 480M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-platform/1p, 480M
root@ok3588:~# lsusb
Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
root@ok3588:~# lsusb -t
/: Bus 06.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M
/: Bus 05.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M
/: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=ohci-platform/1p, 12M
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=ohci-platform/1p, 12M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-platform/1p, 480M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-platform/1p, 480M
root@ok3588:~# lsusb -t
/: Bus 06.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M
/: Bus 05.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M
/: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=ohci-platform/1p, 12M
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=ohci-platform/1p, 12M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-platform/1p, 480M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-platform/1p, 480M
root@ok3588:~# dmesg | tail
[ 752.503792] usb 6-1: USB disconnect, device number 2
[ 752.504221] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
[ 752.504269] option 6-1:1.0: device disconnected
[ 752.507518] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
[ 752.507569] option 6-1:1.1: device disconnected
[ 752.513297] option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2
[ 752.513349] option 6-1:1.2: device disconnected
[ 752.516315] option1 ttyUSB3: GSM modem (1-port) converter now disconnected from ttyUSB3
[ 752.516365] option 6-1:1.3: device disconnected
[ 752.516555] rndis_host 6-1:1.4 usb0: unregister 'rndis_host' usb-xhci-hcd.4.auto-1, RNDIS device
root@ok3588:~# lsusb -t
/: Bus 06.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M
/: Bus 05.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M
/: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=ohci-platform/1p, 12M
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=ohci-platform/1p, 12M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-platform/1p, 480M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-platform/1p, 480M
重启主机也依然识别不到modem的usb端口。。。