sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

dd support for a USB keyboard as the NxConsole and text widget input. Not fully functional as of this initial check-in. Basic functionality is there, but there are conditions were the keyboard gets lost.

Browse Source
This commit is contained in:
Gregory Nutt 2014-07-30 17:01:51 -06:00
parent 40e27add0b
commit 7e4e5ee543
1 changed files with 14 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
configs/sama5d4-ek/README.txt
View File

@ -4060,30 +4060,27 @@ Configurations
recognized. recognized.
The USB keyboard is configured to replace the NSH stdin device some The USB keyboard is configured to replace the NSH stdin device some
that NSH will take input from the USB keyboard. These are the that NSH will take input from the USB keyboard. This has to be
relevant configuration options: done a little differently for the case of NxWM::CNxConsoles than
in the standard NSH configuration. Here the relevant configuration
options are:
CONFIG_NSH_USBKBD=y CONFIG_NXWM_KEYBOARD_USBHOST=y
CONFIG_NSH_USBKBD_DEVNAME="/dev/kbda" CONFIG_NXWM_KEYBOARD_DEVPATH="/dev/kbda"
When NSH comes up, it will attempt to open /dev/kbda and replace NSH will then automatically start when the NxConsole is started:
stdin with that device. If no USB keyboard is connected when you
start the NxConsole, you will see:
Waiting for a keyboard...
NSH will then automatically start when the keyboard is attached:
NuttShell (NSH) NuttX-7.3 NuttShell (NSH) NuttX-7.3
nsh> nsh>
If the keyboard is detached, NSH will stop and wait for you to When the NxConsole comes up, it will attempt to use /dev/kbda device
re-attach the keyboard: for input. Obviously, you cannot enter text if there is no keyboard
but otherwise you will not see any indication whether a keyboard is
connected or not.
nsh> nsh: nsh_session: readline failed: 1 If the keyboard is detached, you not be able to enter text until the
Please re-connect the keyboard... keyboard is reconnected. Again, there is no other special indication
of the keyboard state.
And the session will restart when the keyboard is reconnected.
The keyboard is currently configured to poll at 80 MSec intervals. The keyboard is currently configured to poll at 80 MSec intervals.
That might not be fast enough for you if you are a fast typist. This That might not be fast enough for you if you are a fast typist. This