This function will read the ID of the SD-CARD inserted in the PNM, which is used for activating map licenses.
Input:
None.
Output:
serial : STRING
The serial number of the SD card.
Returns: INT
0
|
- Success.
|
-1
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- Navigation interface is not opened.
|
-2
|
- Error communicating with navigation device.
|
-4
|
- Failed to retrieve serial number.
|
-11
|
- This is not supported by the device (e.g. the device is not an NMP device).
|
-12
|
- Navigation interface is busy.
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Declaration:
FUNCTION nmpCardID : INT;
VAR_INPUT
serial : ACCESS STRING;
END_VAR;
Example:
INCLUDE rtcu.inc
PROGRAM test;
VAR
str : STRING;
END_VAR;
BEGIN
...
IF nmpCardID(serial := str) = 0 THEN
DebugMsg(message := "ID: " + str);
END_IF;
...
END;
END_PROGRAM;
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