
DCN Next Generation Open Interface Release 2.4 Text Status Display
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Bosch Communications Systems | 2007 February | SRS_LDINF | Du080902
• LD_C_MM_FLAG_DISPLAY
The MM application is enabled for the display
• LD_C_MD_FLAG_DISPLAY
The MD application is enabled for the display
wNrOfSpeakerLines Indicates how many lines of the display are used to show the
speaker list. If this value is changed for an alphanumerical
display, an update notification may be generated. This
parameter may range from 0-
LD_C_MAX_NR_OF_DISPLAY_LINES. If it is out of this range,
the error LD_E_WRONG_PARAMETER is returned. Note that
the added value of wNrOfSpeakerLines and
wNrOfRequestLines may not exceed
LD_C_MAX_NUMBER_OF_DISPLAY_LINES. The error
LD_E_LINES_OVERFLOW is returned if this is detected.
wNrOfRequestLines Indicates how many lines of the display are used to show the
request-to-speak list. If this value is changed for an
alphanumerical display, an update notification will be
generated. This parameter may range from 0-
LD_C_MAX_NUMBER_OF_DISPLAY_LINES. If it is out of this
range, the error LD_E_WRONG_PARAMETER is returned.
Note that the added value of wNrOfSpeakerLines and
wNrOfRequestLines may not exceed
LD_C_MAX_NUMBER_OF_DISPLAY_LINES. The error
LD_E_LINES_OVERFLOW is returned if this is detected.
dwReserved Reserved for (possible) future extensions. Ignored at the
moment, may have any value.
Response structure from the function
The function has no response parameters
Error codes returned
LD_E_NOERROR
LD_E_APP_NOT_STARTED
LD_E_UNKNOWN_DISPLAY
LD_E_WRONG_PARAMETER
LD_E_LINES_OVERFLOW
Update notifications
LD_C_SEND_ANUM_DATA
3.2.4 LD_C_CLEAR_DISPLAY_NR
Purpose
This function clears the current request from the specified display. If another request is
available (in the CCU) it will automatically be shown. If the specified display is an
alphanumerical display, the update notification LD_C_SEND_ANUM_DATA may be sent.
Parameter structure for the function
The function requires the following structure as parameter:
WORD wDisplayId;
where:
wDisplayId Identifies the display for which the current request is cleared.
This can be one of the following.
• LD_C_DISPLAY_ONE
The first display, which is a numerical display
• LD_C_DISPLAY_TWO
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