pbarada commented on code in PR #18420:
URL: https://github.com/apache/nuttx/pull/18420#discussion_r2835881942
##########
Documentation/platforms/arm/stm32h7/boards/nucleo-h743zi2/index.rst:
##########
@@ -220,40 +232,191 @@ Some highlights:
nsh> echo "This will stay on the USB drive" > /mnt/sda/afile
nsh> ls /mnt/sda
/mnt/sda:
+ GARMIN/
afile
- nsh> reboot
-
- NuttShell (NSH) NuttX-10.0.1
+ nsh> rebootADE
+ telnetd [6:100]
+
+ NuttShell (NSH)
+ nsh> ls /mnt/lfs
+ /mnt/lfs:
+ .
+ ..
+ nsh> ls /mnt
+ /mnt:
+ lfs/
+ nsh> mount -t vfat /dev/sda /mnt/sda
+ nsh> ls /mnt/sda
+ /mnt/sda:
+ GARMIN/
+ afile
+ nsh> cat /mnt/sda/afile
+ This will stay on the USB drive
+ nsh> buttons
+ nsh: buttons: command not found
+ nsh> ADE
+ ADE
+ telnetd [6:100]
+
+ NuttShell (NSH)
+ nsh> uname -a
+ NuttX 0.0.0 d147177c62 Feb 20 2026 15:18:50 arm nucleo-h743zi2
+ nsh> ?
+ help usage: help [-v] [<cmd>]
+
+ . cp expr mkrd route truncate
+ [ cmp false mount set uname
+ ? dirname fdinfo mv kill umount
+ addroute date free nslookup pkill unset
+ alias delroute help pidof sleep uptime
+ unalias df hexdump printf usleep watch
+ arp dmesg ifconfig ps source wget
+ basename echo irqinfo pwd test xd
+ break env ls reboot top wait
+ cat exec mkdir rm time
+ cd exit mkfatfs rmdir true
+
+ Builtin Apps:
+ buttons getprime netcat ping tc
+ dd hidkbd nsh renew telnetd
+ fstest iperf ostest sh
+ nsh> ls
+ /:
+ dev/
+ mnt/
+ proc/
+ nsh> free
+ total used free maxused maxfree nused nfree name
+ 956492 158452 798040 158848 464440 64 5 Umem
+ nsh> irqinfo
+ IRQ HANDLER ARGUMENT COUNT RATE TIME
+ 11 080012f1 00000000 1073 10.277 0
+ 15 0800807d 00000000 10440 100.000 1
+ 55 080007a1 24000000 1380 13.218 5
+ 77 080084cd 00000000 36 0.344 1
+ 117 0803c4ed 00000000 206 1.976 21558
+ nsh> ifconfig
+ eth0 Link encap:Ethernet HWaddr ea:63:b9:20:1d:46 at RUNNING mtu 1486
+ inet addr:10.0.0.2 DRaddr:10.0.0.1 Mask:255.255.255.0
+
+ lo Link encap:Local Loopback at RUNNING mtu 1518
+ inet addr:127.0.0.1 DRaddr:127.0.0.1 Mask:255.0.0.0
+
+ IPv4 TCP UDP ICMP
+ Received 000d 0000 000d 0000
+ Dropped 0000 0000 0000 0000
+ IPv4 VHL: 0000 Frg: 0000
+ Checksum 0000 0000 0000 ----
+ TCP ACK: 0000 SYN: 0000
+ RST: 0000 0000
+ Type 0000 ---- ---- 0000
+ Sent 0000 0000 0000 0000
+ Rexmit ---- 0000 ---- ----
+ nsh> renew eth0
+ nsh> ifconfig eth0
+ eth0 Link encap:Ethernet HWaddr ea:63:b9:20:1d:46 at RUNNING mtu 1486
+ inet addr:192.168.3.120 DRaddr:192.168.3.1 Mask:255.255.255.0
+
+ nsh> ping www.google.com
+ PING 142.250.217.132 56 bytes of data
+ 56 bytes from 142.250.217.132: icmp_seq=0 time=20.0 ms
+ 56 bytes from 142.250.217.132: icmp_seq=1 time=10.0 ms
+ 56 bytes from 142.250.217.132: icmp_seq=2 time=10.0 ms
+ 56 bytes from 142.250.217.132: icmp_seq=3 time=10.0 ms
+ 56 bytes from 142.250.217.132: icmp_seq=4 time=10.0 ms
+ 56 bytes from 142.250.217.132: icmp_seq=5 time=20.0 ms
+ 56 bytes from 142.250.217.132: icmp_seq=6 time=10.0 ms
+ 56 bytes from 142.250.217.132: icmp_seq=7 time=10.0 ms
+ 56 bytes from 142.250.217.132: icmp_seq=8 time=10.0 ms
+ 56 bytes from 142.250.217.132: icmp_seq=9 time=10.0 ms
+ 10 packets transmitted, 10 received, 0% packet loss, time 10100 ms
+ rtt min/avg/max/mdev = 10.000/12.000/20.000/4.000 ms
+ nsh> ls /dev
+ /dev:
+ buttons
+ console
+ kmsg
+ null
+ rammtd
+ sda
+ telnet
+ ttyS0
+ zero
+ nsh> ls /mnt
+ /mnt:
+ lfs/
+ nsh> echo "This will go away on reboot." > /mnt/lfs/afile
+ nsh> cat /mnt/lfs/afile
+ This will go away on reboot.
nsh> mount -t vfat /dev/sda /mnt/sda
+ nsh> echo "This will stay on the USB drive" > /mnt/sda/afile
+ nsh> ls /mnt/sda
+ /mnt/sda:
+ GARMIN/
+ afile
+ nsh> rebootADE
+ telnetd [6:100]
+
+ NuttShell (NSH)
nsh> ls /mnt/lfs
/mnt/lfs:
.
..
+ nsh> ls /mnt
+ /mnt:
+ lfs/
+ nsh> mount -t vfat /dev/sda /mnt/sda
nsh> ls /mnt/sda
/mnt/sda:
+ GARMIN/
afile
nsh> cat /mnt/sda/afile
This will stay on the USB drive
+ nsh> buttons
+ buttons_main: Starting the button_daemon
+ buttons_main: button_daemon started
+ button_daemon: Running
+ button_daemon: Opening /dev/buttons
+ button_daemon: Supported BUTTONs 0x01
+ nsh> B1 was pressed
+ B1 was released
+ B1 was pressed
+ B1 was released
+
+ nsh> ps
+ TID PID PPID PRI POLICY TYPE NPX STATE EVENT SIGMASK
STACK USED FILLED CPU COMMAND
+ 0 0 0 0 FIFO Kthread - Ready
0000000000000000 0001000 0000544 54.4% 100.0% Idle_Task
+ 1 0 0 224 RR Kthread - Waiting Semaphore
0000000000000000 0001976 0000592 29.9% 0.0% hpwork 0x24000120 0x24000168
+ 2 0 0 100 RR Kthread - Waiting Semaphore
0000000000000000 0001976 0000592 29.9% 0.0% lpwork 0x240000bc 0x24000104
+ 3 3 0 100 RR Task - Running
0000000000000000 0004048 0001768 43.6% 0.0% nsh_main
+ 4 0 0 100 RR Kthread - Waiting Semaphore
0000000000000000 0002008 0000856 42.6% 0.0% usbhost
+ 5 0 0 50 RR Kthread - Waiting Signal
0000000000000000 0004048 0000816 20.1% 0.0% USB_Monitor
+ 6 6 0 100 RR Task - Waiting Semaphore
0000000000000000 0002008 0000880 43.8% 0.0% telnetd
+ 8 8 0 100 RR Task - Waiting Signal
0000000000000000 0004048 0000712 17.5% 0.0% button_daemon
nsh>
```
```
- ❯ telnet 192.168.86.249
- Trying 192.168.86.249...
- Connected to 192.168.86.249.
+ peter@legion:~$ telnet 192.168.3.120
+ Trying 192.168.3.120...
+ Connected to 192.168.3.120.
Escape character is '^]'.
-
- NuttShell (NSH) NuttX-10.0.1
+
+ NuttShell (NSH)
nsh> ps
- PID PRI POLICY TYPE NPX STATE EVENT SIGMASK STACK USED
FILLED CPU COMMAND
- 0 0 FIFO Kthread N-- Ready 00000000 001024 000472
46.0% 100.0% Idle Task
- 1 224 RR Kthread --- Waiting Signal 00000000 002036 000456
22.3% 0.0% hpwork
- 2 100 RR Kthread --- Waiting Signal 00000000 002036 000680
33.3% 0.0% lpwork
- 3 100 RR Task --- Waiting Semaphore 00000000 004084 001304
31.9% 0.0% init
- 4 100 RR Kthread --- Waiting Semaphore 00000000 002036 000752
36.9% 0.0% usbhost
- 5 50 RR Kthread --- Waiting Signal 00000000 004076 000472
11.5% 0.0% USB Monitor
- 6 100 RR Task --- Waiting Semaphore 00000000 002012 000648
32.2% 0.0% Telnet daemon 0x38005600
- 9 100 RR Kthread --- Waiting Semaphore 00000000 001004 000448
44.6% 0.0% telnet_io
- 10 100 RR Task --- Running 00000000 002028 001328
65.4% 0.0% Telnet session
- nsh>
+ nsh: &ps: command not found
Review Comment:
Its not a typo - the '&' is injected/seen as first character of the telnet
session by nsh. Following is telnet output from master configured for
nucleo-h743zi2:jumbo:
```
peter@legion:~$ telnet 192.168.3.120
Trying 192.168.3.120...
Connected to 192.168.3.120.
Escape character is '^]'.
NuttShell (NSH)
nsh> pwd
nsh: &pwd: command not found
nsh> uname -a
NuttX 0.0.0 643f33934e Feb 21 2026 00:58:55 arm nucleo-h743zi2
nsh>
```
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