mirror of
https://github.com/k3ng/k3ng_rotator_controller.git
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122 lines
2.8 KiB
Objective-C
Executable File
122 lines
2.8 KiB
Objective-C
Executable File
/**
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@file FaBoLCD_PCF8574.h
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@brief This is a library for the FaBo LCD I2C Brick.
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http://fabo.io/212.html
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Released under APACHE LICENSE, VERSION 2.0
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http://www.apache.org/licenses/
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@author FaBo<info@fabo.io>
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*/
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#ifndef FABOLCD_PCF8574_H
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#define FABOLCD_PCF8574_H
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#include <Arduino.h>
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#include <Wire.h>
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#include "Print.h"
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#define PCF8574_SLAVE_ADDRESS 0x20 ///< PCF8574 Default I2C Slave Address
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// commands
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#define LCD_CLEARDISPLAY 0x01
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#define LCD_RETURNHOME 0x02
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#define LCD_ENTRYMODESET 0x04
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#define LCD_DISPLAYCONTROL 0x08
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#define LCD_CURSORSHIFT 0x10
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#define LCD_FUNCTIONSET 0x20
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#define LCD_SETCGRAMADDR 0x40
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#define LCD_SETDDRAMADDR 0x80
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// flags for display entry mode
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#define LCD_ENTRYRIGHT 0x00
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#define LCD_ENTRYLEFT 0x02
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#define LCD_ENTRYSHIFTINCREMENT 0x01
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#define LCD_ENTRYSHIFTDECREMENT 0x00
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// flags for display on/off control
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#define LCD_DISPLAYON 0x04
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#define LCD_DISPLAYOFF 0x00
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#define LCD_CURSORON 0x02
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#define LCD_CURSOROFF 0x00
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#define LCD_BLINKON 0x01
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#define LCD_BLINKOFF 0x00
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// flags for display/cursor shift
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#define LCD_DISPLAYMOVE 0x08
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#define LCD_CURSORMOVE 0x00
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#define LCD_MOVERIGHT 0x04
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#define LCD_MOVELEFT 0x00
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// flags for function set
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#define LCD_8BITMODE 0x10
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#define LCD_4BITMODE 0x00
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#define LCD_2LINE 0x08
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#define LCD_1LINE 0x00
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#define LCD_5x10DOTS 0x04
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#define LCD_5x8DOTS 0x00
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// pin/port bit
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#define RS B00000001 // P0 : RS bit
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#define RW B00000010 // P1 : R/W bit
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#define EN B00000100 // P2 : Enable bit
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#define BL B00001000 // P3 : BACKLIGHT bit
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#define DB4 B00010000 // P4 : DB4 bit
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#define DB5 B00100000 // P5 : DB5 bit
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#define DB6 B01000000 // P6 : DB6 bit
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#define DB7 B10000000 // P7 : DB7 bit
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/**
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@class FaBoLCDmini_AQM0802A
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@brief FaBo LCD I2C Controll class
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*/
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class FaBoLCD_PCF8574 : public Print {
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public:
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FaBoLCD_PCF8574(uint8_t addr = PCF8574_SLAVE_ADDRESS);
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void init(void);
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void begin(uint8_t cols, uint8_t rows, uint8_t charsize = LCD_5x8DOTS);
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void clear();
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void home();
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void noDisplay();
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void display();
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void noBlink();
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void blink();
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void noCursor();
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void cursor();
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void scrollDisplayLeft();
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void scrollDisplayRight();
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void leftToRight();
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void rightToLeft();
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void autoscroll();
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void noAutoscroll();
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void setRowOffsets(int row1, int row2, int row3, int row4);
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void createChar(uint8_t, uint8_t[]);
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void setCursor(uint8_t, uint8_t);
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virtual size_t write(uint8_t);
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void command(uint8_t);
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private:
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void send(uint8_t, uint8_t);
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void write4bits(uint8_t);
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void write8bits(uint8_t);
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void pulseEnable(uint8_t);
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void writeI2c(uint8_t);
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uint8_t _displayfunction;
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uint8_t _displaycontrol;
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uint8_t _displaymode;
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uint8_t _numlines;
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uint8_t _row_offsets[4];
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uint8_t _i2caddr;
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uint8_t _backlight;
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};
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#endif // FABOLCD_PCF8574_H
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