153 lines
3.8 KiB
C++
153 lines
3.8 KiB
C++
/*
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rgb_lcd.h
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2013 Copyright (c) Seeed Technology Inc. All right reserved.
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Author:Loovee
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2013-9-18
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add rgb backlight fucnction @ 2013-10-15
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The MIT License (MIT)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.1 USA
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*/
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#ifndef __RGB_LCD_H__
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#define __RGB_LCD_H__
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#include <inttypes.h>
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#include "Print.h"
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// Device I2C Arress
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#define LCD_ADDRESS (0x7c>>1)
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#define RGB_ADDRESS (0xc4>>1)
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// color define
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#define WHITE 0
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#define RED 1
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#define GREEN 2
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#define BLUE 3
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#define REG_RED 0x04 // pwm2
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#define REG_GREEN 0x03 // pwm1
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#define REG_BLUE 0x02 // pwm0
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#define REG_MODE1 0x00
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#define REG_MODE2 0x01
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#define REG_OUTPUT 0x08
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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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class rgb_lcd : public Print
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{
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public:
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rgb_lcd();
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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 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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// color control
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void setRGB(unsigned char r, unsigned char g, unsigned char b); // set rgb
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void setPWM(unsigned char color, unsigned char pwm){setReg(color, pwm);} // set pwm
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void setColor(unsigned char color);
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void setColorAll(){setRGB(0, 0, 0);}
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void setColorWhite(){setRGB(255, 255, 255);}
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// blink the LED backlight
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void blinkLED(void);
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void noBlinkLED(void);
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using Print::write;
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private:
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void send(uint8_t, uint8_t);
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void setReg(unsigned char addr, unsigned char dta);
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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 _initialized;
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uint8_t _numlines,_currline;
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};
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#endif
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