2018-04-29 21:57:29 +02:00
|
|
|
#ifndef __LCD_H_
|
|
|
|
|
#define __LCD_H_
|
|
|
|
|
|
|
|
|
|
#include "stdint.h"
|
2018-04-30 16:15:47 +02:00
|
|
|
#include "i2c.h"
|
2018-04-29 21:57:29 +02:00
|
|
|
|
|
|
|
|
#define LCD_ADDR 0x27
|
|
|
|
|
|
|
|
|
|
#define LCD_MODE_CHR 1
|
|
|
|
|
#define LCD_MODE_CMD 0
|
|
|
|
|
|
|
|
|
|
#define LCD_LINE_1 0x80 // 1st line
|
|
|
|
|
#define LCD_LINE_2 0xC0 // 2nd line
|
|
|
|
|
|
|
|
|
|
#define LCD_BACKLIGHT_ON 0x08
|
|
|
|
|
#define LCD_BACKLIGHT_OFF 0x08
|
|
|
|
|
#define LCD_BACKLIGHT LCD_BACKLIGHT_ON
|
|
|
|
|
|
|
|
|
|
#define LCD_MASK_ENABLE 0x04 // Enable bit
|
|
|
|
|
|
|
|
|
|
// Public
|
|
|
|
|
void initLCD();
|
|
|
|
|
void clearLCD();
|
|
|
|
|
void gotoLCD(uint8_t line);
|
|
|
|
|
void charLCD(char c);
|
|
|
|
|
void printLCD(char* s);
|
2018-04-30 16:15:47 +02:00
|
|
|
// Not necessary, but should be used when different threads use the display
|
|
|
|
|
void lockLCD();
|
|
|
|
|
void unlockLCD();
|
2018-04-29 21:57:29 +02:00
|
|
|
|
|
|
|
|
// Private
|
|
|
|
|
void sendLCD(uint8_t bits, uint8_t mode);
|
|
|
|
|
void toggleEnableLCD(uint8_t bits);
|
|
|
|
|
|
|
|
|
|
#endif
|
