Gary Richardson
/
testLCD
Test of LCD code
lcd_i2c.h
- Committer:
- garyr
- Date:
- 2014-05-30
- Revision:
- 0:a4d44dfd2f03
File content as of revision 0:a4d44dfd2f03:
#ifndef H_LCD_I2C #define H_LCD_I2C #define BIT0 1 #define BIT1 2 #define BIT2 4 #define BIT3 8 #define BIT4 0x10 #define BIT5 0x20 #define BIT6 0x40 #define BIT7 0x80 #define DISPLAY_WIDTH 20 #define DISPLAY_NUMROWS 2 #define NUPDATE (DISPLAY_WIDTH*6) extern int initLcd(int i2cAddress, int frequency); extern int lcdWriteMsg(char *msg); extern int lcdClearDisplay(void); extern int lcdPositionCursor(char row, char col); #endif