Werner Mueller / Mbed 2 deprecated 2wirelcd

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Dependencies:   mbed

lcd_2wire.h@0:23e6b8ed8dbd, 2011-12-25 (annotated)

Committer:
elektronaut
Date:
Sun Dec 25 17:33:53 2011 +0000
Revision:
0:23e6b8ed8dbd

        

        
Who changed what in which revision?

        

            
                
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#ifndef MBED_LCD_2WIRE_H





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#define MBED_LCD_2WIRE_H





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#include "mbed.h"





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class lcd_2wire {





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public:





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    lcd_2wire(PinName pinc, PinName pind);





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#define LCD_CMD_MODE 0





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#define LCD_DATA_MODE 1





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#define LCD_INIT_MODE 2





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#define LCD_CLR 1





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#define LCD_HOME 2





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#define LCD_DISP_ON 0x0C





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#define LCD_FUNCTION_4BIT_1LINE 0x20





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#define LCD_FUNCTION_4BIT_2LINE 0x28





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#define LCD_FUNCTION_8BIT_1LINE 0x30





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#define LCD_FUNCTION_8BIT_2LINE 0x38





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#define LCD_COLS 20





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#define LCD_ROWS 4





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#define LCD_POWER_UP_DELAY_MS 50





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#define LCD_INIT_DELAY_MS 5





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    void lcd_init(void);





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    void lcd_clear();





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    void lcd_home(void);





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    void lcd_goto_xy(int xpos, int ypos);





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    void lcd_write_char(int chr);





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    void lcd_write_char_xy(int x, int y, int chr);





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    void lcd_write_str(const char *sp);





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    void lcd_write_str_xy(int x,int y,const char *sp);





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private:





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    DigitalOut _pinc;





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    DigitalOut _pind;





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    void LCD_SET_CLK();





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    void LCD_CLR_CLK();





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    void LCD_SET_DATA();





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    void LCD_CLR_DATA();





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    void lcd_delay();





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    void lcd_init_shift_reg(int mode);





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    void lcd_shift_nibble(int data);





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    void lcd_shift_byte(int data, int mode);





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    void lcd_write_command(int command);





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    void lcd_write_data(int data);





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    void lcd_function_mode(int function_mode);





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    void lcd_display_mode(int display_mode);





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    void lcd_entry_mode(int entry_mode);





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};





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#endif