kevin ollivier / Mbed 2 deprecated LCD_clavier

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   mbed

TextLCD_4x40/TextLCD_4x40.h@0:18d40dac71ff, 2012-05-29 (annotated)

Committer:
kevin_38
Date:
Tue May 29 09:30:20 2012 +0000
Revision:
0:18d40dac71ff

        

        
Who changed what in which revision?

        

            
                
UserRevisionLine numberNew contents of line

            
            


kevin_38

0:18d40dac71ff


     1

/*Modification de : mbed TextLCD Library, for a 4-bit LCD based on HD44780





kevin_38

0:18d40dac71ff


     2

  pour la commande d'un afficheur 4x40





kevin_38

0:18d40dac71ff


     3

 */





kevin_38

0:18d40dac71ff


     4







kevin_38

0:18d40dac71ff


     5

#ifndef MBED_TEXTLCD_H





kevin_38

0:18d40dac71ff


     6

#define MBED_TEXTLCD_H





kevin_38

0:18d40dac71ff


     7







kevin_38

0:18d40dac71ff


     8

#include "mbed.h"





kevin_38

0:18d40dac71ff


     9







kevin_38

0:18d40dac71ff


    10

/** A TextLCD interface for driving 4-bit HD44780-based LCDs





kevin_38

0:18d40dac71ff


    11

 *





kevin_38

0:18d40dac71ff


    12

 *





kevin_38

0:18d40dac71ff


    13

 * @code





kevin_38

0:18d40dac71ff


    14

 * #include "mbed.h"





kevin_38

0:18d40dac71ff


    15

 * #include "TextLCD.h"





kevin_38

0:18d40dac71ff


    16

 * 





kevin_38

0:18d40dac71ff


    17

 * TextLCD lcd(p10, p12, p15, p16, p29, p30); // rs, e, d0-d3





kevin_38

0:18d40dac71ff


    18

 * 





kevin_38

0:18d40dac71ff


    19

 * int main() {





kevin_38

0:18d40dac71ff


    20

 *     lcd.printf("Hello World!\n");





kevin_38

0:18d40dac71ff


    21

 * }





kevin_38

0:18d40dac71ff


    22

 * @endcode





kevin_38

0:18d40dac71ff


    23

 */





kevin_38

0:18d40dac71ff


    24

class TextLCD_4x40 : public Stream {





kevin_38

0:18d40dac71ff


    25

public:





kevin_38

0:18d40dac71ff


    26







kevin_38

0:18d40dac71ff


    27

    /** Create a TextLCD interface





kevin_38

0:18d40dac71ff


    28

     *





kevin_38

0:18d40dac71ff


    29

     * @param rs    Instruction/data control line





kevin_38

0:18d40dac71ff


    30

     * @param e     Enable line (clock)





kevin_38

0:18d40dac71ff


    31

     * @param d0-d3 Data lines





kevin_38

0:18d40dac71ff


    32

     */





kevin_38

0:18d40dac71ff


    33

    TextLCD_4x40(PinName rs, PinName e, PinName d0, PinName d1, PinName d2, PinName d3);





kevin_38

0:18d40dac71ff


    34

    





kevin_38

0:18d40dac71ff


    35

#if DOXYGEN_ONLY





kevin_38

0:18d40dac71ff


    36

    /** Write a character to the LCD





kevin_38

0:18d40dac71ff


    37

     *





kevin_38

0:18d40dac71ff


    38

     * @param c The character to write to the display





kevin_38

0:18d40dac71ff


    39

     */





kevin_38

0:18d40dac71ff


    40

    int putc(char c);





kevin_38

0:18d40dac71ff


    41







kevin_38

0:18d40dac71ff


    42

    /** Write a formated string to the LCD





kevin_38

0:18d40dac71ff


    43

     *





kevin_38

0:18d40dac71ff


    44

     * @param format A printf-style format string, followed by the





kevin_38

0:18d40dac71ff


    45

     *               variables to use in formating the string.





kevin_38

0:18d40dac71ff


    46

     */





kevin_38

0:18d40dac71ff


    47

    char printf(const char* format, ...);





kevin_38

0:18d40dac71ff


    48

#endif





kevin_38

0:18d40dac71ff


    49







kevin_38

0:18d40dac71ff


    50

    /** Locate to a screen column and row





kevin_38

0:18d40dac71ff


    51

     *





kevin_38

0:18d40dac71ff


    52

     * @param column  The horizontal position from the left, indexed from 0





kevin_38

0:18d40dac71ff


    53

     * @param row     The vertical position from the top, indexed from 0





kevin_38

0:18d40dac71ff


    54

     */





kevin_38

0:18d40dac71ff


    55

    void locate(char column, char row);





kevin_38

0:18d40dac71ff


    56







kevin_38

0:18d40dac71ff


    57

    /** Clear the screen and locate to 0,0 */





kevin_38

0:18d40dac71ff


    58

    void cls();





kevin_38

0:18d40dac71ff


    59







kevin_38

0:18d40dac71ff


    60

protected:





kevin_38

0:18d40dac71ff


    61







kevin_38

0:18d40dac71ff


    62

    // Stream implementation functions





kevin_38

0:18d40dac71ff


    63

    virtual int _putc(int value);





kevin_38

0:18d40dac71ff


    64

    virtual int _getc();





kevin_38

0:18d40dac71ff


    65







kevin_38

0:18d40dac71ff


    66

    char address(char column, char row);





kevin_38

0:18d40dac71ff


    67

    void character(char column, char row, char c);





kevin_38

0:18d40dac71ff


    68

    void writeByte(char value);





kevin_38

0:18d40dac71ff


    69

    void writeCommand(char command);





kevin_38

0:18d40dac71ff


    70

    void writeData(char data);





kevin_38

0:18d40dac71ff


    71







kevin_38

0:18d40dac71ff


    72

    DigitalOut _rs, _e;





kevin_38

0:18d40dac71ff


    73

    BusOut _d;





kevin_38

0:18d40dac71ff


    74







kevin_38

0:18d40dac71ff


    75

    char _column;





kevin_38

0:18d40dac71ff


    76

    char _row;





kevin_38

0:18d40dac71ff


    77

};





kevin_38

0:18d40dac71ff


    78







kevin_38

0:18d40dac71ff


    79

#endif