Sonic Alert 2.8 Manuale Utente
7.2
Memory size configuration
40
pixclock
: 1694498816
xres
: 800
yres
: 600
act_high
: 1
hsync_len
: 200
left_margin
: 24
right_margin
: 161
vsync_len
: 6
upper_margin
: 4
lower_margin
: 29
active
: 1
As with switching to a known panel, the settings take effect immediately
upon completion of the command. This can be a very quick way to add
support for a new display before committing it to the supported list.
support for a new display before committing it to the supported list.
Adding an entry into the lcd panels array in common/lcd panels.c
will provide boot-time support.
7.1.5
Saving settings to Flash EEPROM
All of the descriptions above are useful, but don’t address the issue of persis-
tence. That is performed through the use of the ’panel’ environment variable
and the ’saveenv’
tence. That is performed through the use of the ’panel’ environment variable
and the ’saveenv’
command.
The following example shows the process.
$ set panel crt1024x768
$ save
Saving Environment to Flash...
Un-Protected 1 sectors
Erasing Flash...
Erased 1 sectors
Writing to Flash... done
Protected 1 sectors
$ save
Saving Environment to Flash...
Un-Protected 1 sectors
Erasing Flash...
Erased 1 sectors
Writing to Flash... done
Protected 1 sectors
7.2
Memory size configuration
The Neon
R
supports either 32 or 64MB of RAM.
Most of the default boot loader configuration assumes at least 32MB of
RAM is available. In particular, the TEXT BASE variable in board/neon/config.mk
links the uboot.bin image at 31MB from the start of RAM.
links the uboot.bin image at 31MB from the start of RAM.
December 28, 2005
Revision 2.8