Fork of LCD-Window which works with Enhanced TextLCD from Wim
Fork of LcdWindow by
Diff: hd44780_8bit.h
- Revision:
- 0:ae5037e3d6e0
- Child:
- 1:65f72ed914fa
diff -r 000000000000 -r ae5037e3d6e0 hd44780_8bit.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hd44780_8bit.h Mon Nov 15 22:37:30 2010 +0000 @@ -0,0 +1,63 @@ +/* + * mbed LCDWindow library +* Copyright (c) 2010 Hendrik Lipka +* +* Permission is hereby granted, free of charge, to any person obtaining a copy +* of this software and associated documentation files (the "Software"), to deal +* in the Software without restriction, including without limitation the rights +* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +* copies of the Software, and to permit persons to whom the Software is +* furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in +* all copies or substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +* THE SOFTWARE. +*/ + +#ifndef HD44780_8BIT_H_ +#define HD44780_8BIT_H_ + +#include "lcd.h" + +#include "BusOut.h" +#include "DigitalOut.h" + +using namespace mbed; + +/** + * class for connecting HD44780-based LCD-Display (or using similiar controllers) + * displays are connected in 8bit-mode + * currently only 1 or 2 lines are supported +*/ +class HD44780LCD8bit: public TextLCDBase +{ + public: + /** + * @param width number of chars per line + * @param height number of lines (currently only 1 and 2 work) + * @param data the bus object used for sending data (must be 8bit) + * @param enable the pin name for the enable line (1=active) + * @param rs the pin name for the register select line (0=cmd, 1=data) + */ + HD44780LCD8bit(unsigned int width, unsigned int height, BusOut *data, PinName enable, PinName rs); + virtual void init(); + virtual void writeText(unsigned int line, unsigned int pos, char text[]); + virtual void clear(); + + protected: + void sendCmd(unsigned char byte); + void sendData(unsigned char byte); + + void sendByte(unsigned char byte); + + BusOut* _data; + DigitalOut *_enable, *_rs; +}; +#endif \ No newline at end of file