LCDPanel.h

00001 /* LCDPanel base library for LCD/TFT Panels
00002  * Copyright (c) 2012, Silvio Gissi
00003  * 
00004  * License:
00005  * 
00006  * Permission is hereby granted, free of charge, to any person obtaining a copy
00007  * of this software and associated documentation files (the "Software"), to deal
00008  * in the Software without restriction, including without limitation the rights
00009  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00010  * copies of the Software, and to permit persons to whom the Software is
00011  * furnished to do so, subject to the following conditions:
00012  *
00013  * The above copyright notice and this permission notice shall be included in
00014  * all copies or substantial portions of the Software.
00015  *
00016  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00017  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00018  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00019  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00020  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00021  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00022  * THE SOFTWARE.
00023  * 
00024  * Author: Silvio Gissi
00025  * Version: 0.1 Alfa
00026  * 
00027 */
00028 
00029 #ifndef LCDPANEL_BASE_H
00030 #define LCDPANEL_BASE_H
00031 
00032 #include "mbed.h"
00033 
00034 class LCDPanel {
00035 
00036   public:
00037     LCDPanel(unsigned int width, unsigned int height, PinName cs);
00038 
00039     virtual void fill(unsigned int x1, unsigned int y1, unsigned int x2, unsigned int y2, uint16_t color);
00040     virtual void fill(unsigned int x1, unsigned int y1, unsigned int x2, unsigned int y2, const uint16_t* color);
00041     virtual void set_pixel(unsigned int x, unsigned int y, uint16_t color);
00042     
00043     inline void clear() { fill(0,0,_xmax,_ymax,(uint16_t)0x0000); }
00044     inline unsigned int height() { return _ymax+1; }
00045     inline unsigned int width() { return _xmax+1; }
00046     
00047   protected:
00048     unsigned int _ymax;
00049     unsigned int _xmax;
00050     DigitalOut _cs;
00051     
00052     class CsTransaction
00053     {
00054         private: LCDPanel *p;
00055         public:
00056             CsTransaction(LCDPanel *panel) : p(panel) { p->_cs=0; }
00057             ~CsTransaction() { p->_cs=1; }
00058     };
00059     virtual void command(unsigned int command,unsigned int size=0,...)=0;
00060     virtual void data(unsigned int size,...)=0;
00061     virtual void pixel(uint16_t color)=0;
00062     virtual void window(unsigned int x1, unsigned int y1, unsigned int x2, unsigned int y2)=0;
00063 
00064 };
00065 
00066 #endif // LCDPANEL_BASE_H