Test of LCD code

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Show/hide line numbers lcd_i2c.h Source File

lcd_i2c.h

00001 #ifndef H_LCD_I2C
00002 #define H_LCD_I2C
00003 
00004 #define BIT0    1
00005 #define BIT1    2
00006 #define BIT2    4
00007 #define BIT3    8
00008 #define BIT4    0x10
00009 #define BIT5    0x20
00010 #define BIT6    0x40
00011 #define BIT7    0x80
00012 
00013 #define     DISPLAY_WIDTH   20
00014 #define     DISPLAY_NUMROWS 2
00015 #define     NUPDATE (DISPLAY_WIDTH*6)
00016 
00017 extern int initLcd(int i2cAddress, int frequency);
00018 extern int lcdWriteMsg(char *msg);
00019 extern int lcdClearDisplay(void);
00020 extern int lcdPositionCursor(char row, char col);
00021 
00022 #endif