Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I)
124
Custom Character Set +WCCS
Description:
This command allows you to edit and display the custom character set tables. These tables are used by the “CUSTOM” mode of +CSCS and the +WPCS commands. In this CUSTOM mode, when you enter a string, it is converted into the GSM alphabet using the Custom To GSM table. In a similar way, when the user requests a string display, the string is converted from the GSM alphabet using the Custom alphabet and Custom alphabet extension tables.
In edition mode, the session is terminated by or aborted by . Only hexadecimal characters (‘0’…’9’, ‘A’…’F’) can be used. The number of characters entered must equal the edition range requested; otherwise, the command will return “+CME ERROR: 24”.
The default Custome alphabet extension table contains the following extended characters:
| ^
ε
{ } [ ] ~ \
Values:
0
Display the table
1
Edit the table
0
Custom to GSM conversion table (default table is PCCP437 to GSM table)
1
Custom alphabet table (default table is GSM 7 bit default alphabet)
2
Custom alphabet extension table (default table is GSM 7 bit default alphabet extended)
,
Character range to display/edit
0…127 for table 1 and 2 0…255 for Custom to GSM conversion table Notes:
•
and are not ASCII codes; they stand for the range of a given character in
the tables.
•
If only is provided, only this char is displayed/edited
•
See Appendix C for informative examples of the use of these characters.
Syntax: Command
syntax:
AT+WCCS=,
,[,]
Command
Possible responses
AT+WCCS=0,0,120,130 Note: Display from character 120 to character 130 of the Custom to GSM conversion table
+WCCS: 11, 78797A2020202020097E05 OK Note: 11 characters displayed
AT+WCCS=1,0,115 20 Note: Edit character 115 of the Custom to GSM conversion table
OK Note: Edition successful
AT+WCCS=1,1,0,4 40A324A5E8 Note: Edit the 5 first characters of the GSM to Custom conversion table
OK Note: Edition successful
AT+WCCS=0,2,20 Note: Display character 20 of the Custom alphabet extension table
+WCCS: 1,5E OK
AT+WCCS=1,1,200 Note: Edit character 200 of GSM to Custom conversion table