Special Internal Functions; Container Variables For Qvga Mb-Panels - SBC PCD7.D4 Series Manual

Saia-Burgess Controls AG
6.7

Special internal Functions

6.7.1

Container variables for QVGA MB-Panels

Container variables, available to the user, are included in the firmware of these termi-
nals. Containers let the application program exchange information with the firmware.
All container variables have the prefix «uBT_».
Caution: case sensitive!
Container Variable
(source HN)
uBT_ Version
uBT_DispType
uBT_BooterVersion
uBT_ SerialNumber
uBT_DispResolution
uBT_IsTSPresent
uBT_SDCardPresent
uBT_IsConfigChanged -
uBT_ RestoreConfig
uBT_ SaveConfig
uBT_ EnableCache
Manual PCD7.D4xx │ D ocument 26-851 ENG12 │ 2 016-02-05
FTP Description
Config
option
Read Read only: Used firmware version
only
Read The container is Not active
only
Read Read only: Used firmware booter version
only
Read Read only: Serial number
only
- Display resolution:
x→x axis [pixels]
example: 320
y→y axis [pixels]
example: 240
z→colour depth per pixel (bits per pixel)
example: 8
- Read only, Yes/No .TouchScreen present or not.
- Read only. 0: SD not available/ not found, 1: available /
found.Note: The local file search order is
- Cache (if enabled)
- Internal flash
- M1 Flash
- SD Flash, with SD Flash always as last option
Read ‚0' →Configuration unchanged
Read ‚1' →Configuration is changed
- Write ‚1' →Last saved configuration is restored
- Write ‚1' →Current configuration is saved. When IPAddr,
SubNetMask or Default Gateway is changed, the terminal
has to be restarted.
R/W For all files except image files:
Read/Write 0→Cache is disabled.
Each file is loaded every time.
Read/Write 1→Cache is enabled.
A loaded file will, if present, be taken from the
cache.
When switched off, or at an URL jump, cache files
are deleted.
When switched on, files get cached as soon as
they are requested over the current page view.
Note:
Image files (GIF files) are decompressed and cached in
a separate video cache that is always active. This video
cache is only cleared at URL jumps or at cache out of
space use.
Update & special settings
Special internal Functions
6
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