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https://github.com/RobotechLille/cdf2018-principal
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36 lines
686 B
C
36 lines
686 B
C
#ifndef __LCD_H_
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#define __LCD_H_
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#include "stdint.h"
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#include "i2c.h"
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#define LCD_ADDR 0x27
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#define LCD_MODE_CHR 1
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#define LCD_MODE_CMD 0
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#define LCD_LINE_1 0x80 // 1st line
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#define LCD_LINE_2 0xC0 // 2nd line
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#define LCD_BACKLIGHT_ON 0x08
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#define LCD_BACKLIGHT_OFF 0x08
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#define LCD_BACKLIGHT LCD_BACKLIGHT_ON
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#define LCD_MASK_ENABLE 0x04 // Enable bit
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// Public
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void initLCD();
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void clearLCD();
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void gotoLCD(uint8_t line);
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void charLCD(char c);
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void printLCD(char* s);
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// Not necessary, but should be used when different threads use the display
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void lockLCD();
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void unlockLCD();
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// Private
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void sendLCD(uint8_t bits, uint8_t mode);
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void toggleEnableLCD(uint8_t bits);
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#endif
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