Fork of LCD-Window which works with Enhanced TextLCD from Wim
Fork of LcdWindow by
hd44780_8bit.h
- Committer:
- hlipka
- Date:
- 2010-11-27
- Revision:
- 2:5ac5bab7daaf
- Parent:
- 1:65f72ed914fa
File content as of revision 2:5ac5bab7daaf:
/* * 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 columns, unsigned int rows, BusOut *data, PinName enable, PinName rs); virtual void init(); virtual void writeText(const unsigned int column, const unsigned int row, const char text[]); virtual void clear(); virtual void character(int column, int row, int c); protected: void sendCmd(const unsigned char byte); void sendData(const unsigned char byte); void sendByte(const unsigned char byte); BusOut* _data; DigitalOut *_enable, *_rs; }; #endif