
DCN Next Generation Open Interface Release 2.4 Text Status Display
en | 208
Bosch Communications Systems | 2007 February | SRS_LDINF | Du080902
3.2.2 LD_C_STOP_LD_APP
Purpose
Indicate the CCU that the remote controller no longer requires to communicate with the LD
application inside the CCU. After receiving this function the CCU takes over the control of LD.
The remote controller will no longer receive update notifications.
Parameter structure for the function
The function has no additional parameters.
Response structure from the function
The function has no response parameters.
Error codes returned
LD_E_NOERROR
LD_E_APP_NOT_STARTED
Related functions
LD_C_START_LD_APP
3.2.3 LD_C_STORE_DISPLAY_SETTING
Purpose
This function stores the settings of a display. If the settings concern an alphanumerical
display, the update notification LD_C_SEND_ANUM_DATA may be sent (depending on the
settings).
Parameter structure for the function
The function requires the following structure as parameter:
typedef struct
{
WORD wDisplayId;
WORD wFlags;
WORD wNrOfSpeakerLines;
WORD wNrOfRequestLines;
DWORD dwReserved;
} LD_T_DISPLAY_REC;
where:
wDisplayId Identifies the display for which the settings are sent. This can
be one of the following:
• LD_C_DISPLAY_ONE
The first display, which is a numerical display
• LD_C_DISPLAY_TWO
The second display, which is an alphanumerical display
• LD_C_DISPLAY_THREE
The third display, which is an alphanumerical display
• LD_C_DISPLAY_FOUR
The fourth display, which is a graphical display
The error LD_E_UNKNOWN_DISPLAY is returned if
wDisplayId is not within the specified range.
wFlags Bit mask indicating which application(s) must be enabled for the
display. If an application is enabled, changes in the application
can lead to updates on the display (see [SRS_LD] and
[USERDOC_LD]). A change in enabled applications for an
alphanumerical display may lead to an update notification. The
bit mask can consist of (a combination of) the following flags:
• LD_C_VT_FLAG_DISPLAY
The VT application is enabled for the display
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