RrdGlcd.h

00001 #ifndef __RRDGLCD_H
00002 #define __RRDGLCD_H
00003 
00004 /*
00005       This file is part of Smoothie (http://smoothieware.org/). The motion control part is heavily based on Grbl (https://github.com/simen/grbl).
00006       Smoothie is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
00007       Smoothie is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
00008       You should have received a copy of the GNU General Public License along with Smoothie. If not, see <http://www.gnu.org/licenses/>.
00009 */
00010 
00011 /**
00012  * Based loosely on st7920.h from http://mbed.org/users/Bas/code/ST7920 and parts of the Arduino U8glib library.
00013  * Written by Jim Morris
00014  */
00015 
00016 #include <mbed.h>
00017 #include "libs/Kernel.h"
00018 #include "libs/utils.h"
00019 #include <libs/Pin.h>
00020 
00021 
00022 class RrdGlcd {
00023 public:
00024     /**
00025     *@brief Constructor, initializes the lcd on the respective pins.
00026     *@param mosi mbed pinname for mosi
00027     *@param sclk mbed name for sclk
00028     *@param cd Smoothie Pin for cs
00029     *@return none
00030     */
00031     RrdGlcd (PinName mosi, PinName sclk, Pin cs);
00032 
00033     virtual ~RrdGlcd();
00034 
00035     void setFrequency(int f);
00036 
00037     void initDisplay(void);
00038     void clearScreen(void);
00039     void displayString(int row, int column, const char *ptr, int length);
00040     void refresh();
00041 
00042      /**
00043     *@brief Fills the screen with the graphics described in a 1024-byte array
00044     *@
00045     *@param bitmap 128x64, bytes horizontal
00046     *@return none
00047     *
00048     */
00049     void fillGDRAM(const uint8_t *bitmap);
00050 
00051     // copy the bits in g, of X line size pixels, to x, y in frame buffer
00052     void renderGlyph(int x, int y, const uint8_t *g, int pixelWidth, int pixelHeight);
00053 
00054 private:
00055     Pin cs;
00056     mbed::SPI* spi;
00057     void renderChar(uint8_t *fb, char c, int ox, int oy);
00058     void displayChar(int row, int column,char inpChr);
00059 
00060     uint8_t *fb;
00061     bool inited;
00062     bool dirty;
00063 };
00064 #endif
00065