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Documentation: add documentation for USB cdcncm device

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add a documented description of the cdcncm device module, including
execution steps and associated outputs

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
This commit is contained in:
zhanghongyu 2024-08-16 12:22:49 +08:00 committed by Xiang Xiao
parent 640b766d2b
commit aa2ae421d5
1 changed files with 32 additions and 1 deletions
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33
Documentation/platforms/sim/sim/boards/sim/index.rst
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@ -1668,6 +1668,7 @@ This is a configuration with sim usbdev support.
conn0: adb & rndis conn0: adb & rndis
conn1: cdcacm & cdcecm conn1: cdcacm & cdcecm
conn2: cdcncm
You can use the sim:usbdev configuration:: You can use the sim:usbdev configuration::
@ -1744,7 +1745,7 @@ This is a configuration with sim usbdev support.
$ cat /dev/ttyACM0 $ cat /dev/ttyACM0
hello hello
3> Run CDCECM: 4> Run CDCECM:
NuttX enter command:: NuttX enter command::
@ -1770,6 +1771,36 @@ This is a configuration with sim usbdev support.
Then you can test the network connection using the ping command or telnet. Then you can test the network connection using the ping command or telnet.
5> Run CDCNCM:
NuttX enter command::
$ conn 2
$ ifconfig
eth0 Link encap:Ethernet HWaddr 42:67:c6:69:73:51 at UP
inet addr:10.0.1.2 DRaddr:10.0.1.1 Mask:255.255.255.0
eth1 Link encap:Ethernet HWaddr 00:e0:de:ad:be:ef at UP
inet addr:0.0.0.0 DRaddr:0.0.0.0 Mask:0.0.0.0
$ dhcpd_start eth1
$ ifconfig
eth0 Link encap:Ethernet HWaddr 42:67:c6:69:73:51 at UP
inet addr:10.0.1.2 DRaddr:10.0.1.1 Mask:255.255.255.0
eth1 Link encap:Ethernet HWaddr 00:e0:de:ad:be:ef at UP
inet addr:10.0.0.1 DRaddr:10.0.0.1 Mask:255.255.255.0
Host PC, you can see the network device named enx020000112233::
$ ifconfig
enx020000112233: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 576
inet 10.0.0.2 netmask 255.255.255.0 broadcast 10.0.0.255
ether 02:00:00:11:22:33 txqueuelen 1000 (以太网)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 58 bytes 9143 (9.1 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
Then you can test the network connection using the ping command or telnet.
usbhost usbhost
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