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Updated README

This commit is contained in:
Gregory Nutt 2014-07-25 10:03:01 -06:00
parent 47752a35c1
commit 16eef02eec
1 changed files with 32 additions and 9 deletions
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41
configs/sama5d4-ek/README.txt
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@ -3871,13 +3871,17 @@ Configurations
b. Then from NSH prompt, you need to mount the media volume like:
nsh> mount -t vfat /dev/mmcsd0 /mnt/sdcard
nsh> mount -t vfat /dev/mmcsd0 /mnt/sdcard
NOTE: The SAMA5D4-EK board support allows an application to
connect to the SD card detect signal. That application could
then auto-mount the SD card.
c. Then you can run the media player like:
nsh> nxplayer
nxplayer> device pcm0
nxplayer> play <filename>
nsh> nxplayer
nxplayer> device pcm0
nxplayer> play <filename>
20. The SAMA5D4-EK includes for an AT25 serial DataFlash. That support is
NOT enabled in this configuration. Support for that serial FLASH could
@ -4021,18 +4025,37 @@ Configurations
communication issues the the current WM8904 driver).
This configuration depends on media files in the default mountpoint
at /mnt/sdard. If you see the message "Media volume not mounted"
in the media player text box, then you will need to mount the media
volume:
at /mnt/sdard (configurable). If you see the message "Media volume
not mounted" in the media player text box, then you will need to
mount the media volume:
a. You will need an (full size) SD card containing the .WAV files
that you want to play (.WAV is only format supported as of this
writing). That SD card should be inserted in the HSMCI0 media
slot A (best done before powering up).
b. Then from NSH prompt, you need to mount the media volume like:
b. Then from NSH prompt, you need to mount the media volume from
an NSH session like:
nsh> mount -t vfat /dev/mmcsd0 /mnt/sdcard
nsh> mount -t vfat /dev/mmcsd0 /mnt/sdcard
I usually do this via Telnet from the host PC. Here is a
complete host Telnet session:
$ telnet 10.0.0.2
Trying 10.0.0.2...
Connected to 10.0.0.2.
Escape character is '^]'.
NuttShell (NSH) NuttX-7.3
nsh> mount -t vfat /dev/mmcsd0 /mnt/sdcard
nsh> exit
Connection closed by foreign host.
NOTE: The SAMA5D4-EK board support allows an application to
connect to the SD card detect signal. That application could
then auto-mount the SD card. The capability is, however, not
implemented in this demo.
c. Then if you close the old media player window and bring up a
new one, you should see the .WAV files on the SD card in the lis