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| − | + | Definiert ein benutzerdefiniertes LCD-Zeichen. | |
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Revision as of 01:05, 12 March 2013
Contents |
Funktion
Definiert ein benutzerdefiniertes LCD-Zeichen.
Syntax
DEFLCDCHAR char,r1,r2,r3,r4,r5,r6,r7,r8
Remarks
|
char |
Constant representing the character (0-7). |
|
r1-r8 |
The row values for the character. |
You can use the LCD designer to build the characters.
It is important that a CLS follows the DEFLCDCHAR statement(s).
So make sure you use the DEFLCDCHAR before your CLS statement.
Special characters can be printed with the Chr() function.
LCD Text displays have a 64 byte memory that can be used to show your own custom characters. Each character uses 8 bytes as the character is an array from 8x8 pixels. You can create a maximum of 8 characters this way. Or better said : you can show a maximum of 8 custom characters at the same time. You can redefine characters in your program but with the previous mentioned restriction.
A custom character can be used to show characters that are not available in the LCD font table. For example a Û.
You can also use custom characters to create a bar graph or a music note.
See also
Partial Example
Deflcdchar 1 , 225 , 227 , 226 , 226 , 226 , 242 , 234 , 228 ' replace ? with number (0-7) Deflcdchar 0 , 240 , 224 , 224 , 255 , 254 , 252 , 248 , 240 ' replace ? with number (0-7) Cls 'select data RAM Rem it is important that a CLS is following the deflcdchar statements because it will set the controller back in datamode Lcd Chr(0) ; Chr(1)
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