Revision 0:ae5037e3d6e0, committed 2010-11-15

Comitter:

hlipka

Date:

Mon Nov 15 22:37:30 2010 +0000

Child:

1:65f72ed914fa

Commit message:

add support for KS0108-based graphical displays

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dogm_spi.cpp	Mon Nov 15 22:37:30 2010 +0000
@@ -0,0 +1,69 @@
+/*
+ * 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.
+*/
+
+#include "dogm_spi.h"
+
+#include "SPI.h"
+#include "DigitalOut.h"
+#include "wait_api.h"
+
+DogmLCDSPI::DogmLCDSPI
+(unsigned int width, unsigned int height, SPI *spi, PinName enable, PinName rs)
+:SPILCDBase(width,height,spi,enable,rs)
+{
+}
+
+void DogmLCDSPI::init()
+{
+    unsigned char initCmd[10]={0x38,0x39,0x14,0x55,0x6d,0x78,0x38,0x0c,0x01,0x06};
+    
+    _enable->write(1);
+    wait_ms(80);
+    
+    for (int i=0;i<sizeof(initCmd);i++)
+    {
+        sendCmd(initCmd[i]);
+        wait_ms(4);
+    }
+}
+
+void DogmLCDSPI::writeText(unsigned int line, unsigned int pos, char text[])
+{
+    int address=(line)*0x40+(pos);
+    sendCmd((char)address|0x80);
+    wait_ms(1);
+    
+    int i=0;
+    while(text[i]!=0)
+    {
+        sendData(text[i]);
+        wait_ms(1);
+        i++;
+    }
+}
+
+void DogmLCDSPI::clear()
+{
+    sendCmd(1);
+}
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dogm_spi.h	Mon Nov 15 22:37:30 2010 +0000
@@ -0,0 +1,53 @@
+/*
+ * 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 DOGM_SPI_H_
+#define DOGM_SPI_H_
+
+#include "lcd_spi.h"
+
+#include "DigitalOut.h"
+#include "SPI.h"
+
+using namespace mbed; 
+
+/**
+ * class for connecting a DOGM16x LCD display, from electronic assembly (www.lcd-module.com )
+*/
+class DogmLCDSPI: public SPILCDBase
+{
+    public:
+        /**
+         * @param width number of chars per line
+         * @param height number of lines (currently only 1 and 2 work)
+         * @param the SPI object used for sending data (set to 1MHz)
+         * @param enable the pin name for the enable line (0=active, connected to /CSB)
+         * @param rs the pin name for the register select line (0=cmd, 1=data)
+        */
+        DogmLCDSPI(unsigned int width, unsigned int height, SPI *spi, PinName enable, PinName rs); 
+        virtual void init();
+        virtual void writeText(unsigned int line, unsigned int pos, char text[]);
+        virtual void clear();
+};
+
+#endif
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/font.h	Mon Nov 15 22:37:30 2010 +0000
@@ -0,0 +1,274 @@
+/*
+This font has been created by rotating the original 'vincent' font.
+See below for the original copyright, or go to
+http://forum.osdev.org/viewtopic.php?f=2&t=22033
+*/
+/*
+Created Sunday, May 23, 2010 by Quinn Evans
+Renamed and updated Monday 24, 2010
+
+This font (Vincent) is released by me into the public domain. I claim no
+copyright, and hereby make this software available to the public for any use,
+at any time, free of restrictions, legal or otherwise.
+*/
+#ifndef FONT_H
+#define FONT_H 1
+unsigned char font_data[128][8] = {
+//0x0=0
+{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,},
+//0x1=1
+{0x00,0x7c,0x82,0xaa,0xc2,0xaa,0x82,0x7c,},
+//0x2=2
+{0x00,0x7c,0xfe,0xd6,0xbe,0xd6,0xfe,0x7c,},
+//0x3=3
+{0x00,0x1c,0x3e,0x7c,0xf8,0x7c,0x3e,0x1c,},
+//0x4=4
+{0x00,0x10,0x38,0x7c,0xfe,0x7c,0x38,0x10,},
+//0x5=5
+{0x00,0x10,0x38,0x94,0xfe,0x94,0x38,0x10,},
+//0x6=6
+{0x00,0x10,0x38,0xbc,0xfe,0xbc,0x38,0x10,},
+//0x7=7
+{0x00,0x00,0x38,0x7c,0x7c,0x7c,0x38,0x00,},
+//0x8=8
+{0xff,0xff,0xc7,0x83,0x83,0x83,0xc7,0xff,},
+//0x9=9
+{0x00,0x00,0x38,0x44,0x44,0x44,0x38,0x00,},
+//0xa=10
+{0xff,0xff,0xc7,0xbb,0xbb,0xbb,0xc7,0xff,},
+//0xb=11
+{0x00,0x60,0x90,0x90,0x72,0x0a,0x06,0x1e,},
+//0xc=12
+{0x00,0x00,0x64,0x94,0x9e,0x94,0x64,0x00,},
+//0xd=13
+{0x00,0xc0,0xe0,0x7e,0x02,0x04,0x00,0x00,},
+//0xe=14
+{0x00,0xc0,0xe0,0x7c,0x06,0x62,0x72,0x3e,},
+//0xf=15
+{0x00,0x10,0x54,0x38,0xee,0x38,0x54,0x10,},
+//0x10=16
+{0x00,0xfe,0xfe,0x7c,0x7c,0x38,0x38,0x10,},
+//0x11=17
+{0x00,0x10,0x38,0x38,0x7c,0x7c,0xfe,0xfe,},
+//0x12=18
+{0x00,0x00,0x28,0x44,0xfe,0x44,0x28,0x00,},
+//0x13=19
+{0x00,0xde,0xde,0x00,0x00,0xde,0xde,0x00,},
+//0x14=20
+{0x00,0x0c,0x1e,0x12,0x12,0xfe,0x02,0xfe,},
+//0x15=21
+{0x00,0x48,0x94,0xa4,0x4a,0x52,0x24,0x00,},
+//0x16=22
+{0x00,0xe0,0xe0,0xe0,0xe0,0xe0,0xe0,0xe0,},
+//0x17=23
+{0x00,0x00,0xa8,0xc4,0xfe,0xc4,0xa8,0x00,},
+//0x18=24
+{0x00,0x10,0x18,0xfc,0xfe,0xfc,0x18,0x10,},
+//0x19=25
+{0x00,0x10,0x30,0x7e,0xfe,0x7e,0x30,0x10,},
+//0x1a=26
+{0x00,0x38,0x38,0x38,0xfe,0x7c,0x38,0x10,},
+//0x1b=27
+{0x00,0x10,0x38,0x7c,0xfe,0x38,0x38,0x38,},
+//0x1c=28
+{0x00,0xf8,0xf8,0xf8,0xc0,0xc0,0xc0,0xc0,},
+//0x1d=29
+{0x00,0x10,0x38,0x54,0x10,0x54,0x38,0x10,},
+//0x1e=30
+{0x00,0xc0,0xf0,0xfc,0xfe,0xfc,0xf0,0xc0,},
+//0x1f=31
+{0x00,0x06,0x1e,0x7e,0xfe,0x7e,0x1e,0x06,},
+//0x20=32
+{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,},
+//0x21=33
+{0x00,0x00,0x0c,0xbe,0xbe,0x0c,0x00,0x00,},
+//0x22=34
+{0x00,0x00,0x06,0x0e,0x00,0x0e,0x06,0x00,},
+//0x23=35
+{0x00,0x28,0xfe,0xfe,0x28,0xfe,0xfe,0x28,},
+//0x24=36
+{0x00,0x00,0x48,0x54,0xd6,0x54,0x24,0x00,},
+//0x25=37
+{0x00,0x46,0x66,0x30,0x18,0xcc,0xc4,0x00,},
+//0x26=38
+{0x00,0x64,0xfe,0x8a,0x9a,0xee,0xc4,0xa0,},
+//0x27=39
+{0x00,0x00,0x10,0x1e,0x0e,0x00,0x00,0x00,},
+//0x28=40
+{0x00,0x82,0xc6,0x7c,0x38,0x00,0x00,0x00,},
+//0x29=41
+{0x00,0x00,0x00,0x38,0x7c,0xc6,0x82,0x00,},
+//0x2a=42
+{0x00,0x10,0x54,0x7c,0x38,0x7c,0x54,0x10,},
+//0x2b=43
+{0x00,0x00,0x10,0x10,0x7c,0x10,0x10,0x00,},
+//0x2c=44
+{0x00,0x80,0xf0,0x70,0x00,0x00,0x00,0x00,},
+//0x2d=45
+{0x00,0x00,0x10,0x10,0x10,0x10,0x00,0x00,},
+//0x2e=46
+{0x00,0xc0,0xc0,0x00,0x00,0x00,0x00,0x00,},
+//0x2f=47
+{0x00,0x40,0x60,0x30,0x18,0x0c,0x04,0x00,},
+//0x30=48
+{0x00,0x7c,0xfe,0x92,0x8a,0xfe,0x7c,0x00,},
+//0x31=49
+{0x00,0x80,0x88,0xfe,0xfe,0x80,0x80,0x00,},
+//0x32=50
+{0x00,0xc4,0xe6,0xa2,0x92,0x9e,0x8c,0x00,},
+//0x33=51
+{0x00,0x44,0xc6,0x92,0x92,0xfe,0x6c,0x00,},
+//0x34=52
+{0x00,0x30,0x28,0x24,0xfe,0xfe,0x20,0x00,},
+//0x35=53
+{0x00,0x4e,0xce,0x8a,0x8a,0xfa,0x72,0x00,},
+//0x36=54
+{0x00,0x7c,0xfe,0x92,0x92,0xf6,0x64,0x00,},
+//0x37=55
+{0x00,0x06,0x06,0xe2,0xfa,0x1e,0x06,0x00,},
+//0x38=56
+{0x00,0x6c,0xfe,0x92,0x92,0xfe,0x6c,0x00,},
+//0x39=57
+{0x00,0x4c,0xde,0x92,0x92,0xfe,0x7c,0x00,},
+//0x3a=58
+{0x00,0x00,0x00,0x6c,0x6c,0x00,0x00,0x00,},
+//0x3b=59
+{0x00,0x00,0x80,0xec,0x6c,0x00,0x00,0x00,},
+//0x3c=60
+{0x00,0x00,0x10,0x38,0x6c,0xc6,0x82,0x00,},
+//0x3d=61
+{0x00,0x00,0x28,0x28,0x28,0x28,0x00,0x00,},
+//0x3e=62
+{0x00,0x82,0xc6,0x6c,0x38,0x10,0x00,0x00,},
+//0x3f=63
+{0x00,0x04,0x06,0xb2,0xb2,0x1e,0x0c,0x00,},
+//0x40=64
+{0x00,0x3c,0x42,0x5a,0x5a,0x4c,0x20,0x00,},
+//0x41=65
+{0x00,0xfc,0xfe,0x12,0x12,0xfe,0xfc,0x00,},
+//0x42=66
+{0x00,0xfe,0xfe,0x92,0x92,0xfe,0x6c,0x00,},
+//0x43=67
+{0x00,0x7c,0xfe,0x82,0x82,0xc6,0x44,0x00,},
+//0x44=68
+{0x00,0xfe,0xfe,0x82,0x82,0xfe,0x7c,0x00,},
+//0x45=69
+{0x00,0xfe,0xfe,0x92,0x92,0x92,0x82,0x00,},
+//0x46=70
+{0x00,0xfe,0xfe,0x12,0x12,0x12,0x02,0x00,},
+//0x47=71
+{0x00,0x7c,0xfe,0x82,0xa2,0xe6,0x64,0x00,},
+//0x48=72
+{0x00,0xfe,0xfe,0x10,0x10,0xfe,0xfe,0x00,},
+//0x49=73
+{0x00,0x00,0x82,0xfe,0xfe,0x82,0x00,0x00,},
+//0x4a=74
+{0x00,0x60,0xe0,0x82,0xfe,0x7e,0x02,0x00,},
+//0x4b=75
+{0x00,0xfe,0xfe,0x38,0x6c,0xc6,0x82,0x00,},
+//0x4c=76
+{0x00,0xfe,0xfe,0x80,0x80,0x80,0x80,0x00,},
+//0x4d=77
+{0x00,0xfe,0xfe,0x0c,0x18,0x0c,0xfe,0xfe,},
+//0x4e=78
+{0x00,0xfe,0xfe,0x0c,0x18,0x30,0xfe,0xfe,},
+//0x4f=79
+{0x00,0x7c,0xfe,0x82,0x82,0xfe,0x7c,0x00,},
+//0x50=80
+{0x00,0xfe,0xfe,0x22,0x22,0x3e,0x1c,0x00,},
+//0x51=81
+{0x00,0x3c,0x7e,0x42,0x62,0xfe,0xbc,0x00,},
+//0x52=82
+{0x00,0xfe,0xfe,0x32,0x72,0xde,0x8c,0x00,},
+//0x53=83
+{0x00,0x4c,0xde,0x92,0x92,0xf6,0x64,0x00,},
+//0x54=84
+{0x00,0x06,0x02,0xfe,0xfe,0x02,0x06,0x00,},
+//0x55=85
+{0x00,0x7e,0xfe,0x80,0x80,0xfe,0xfe,0x00,},
+//0x56=86
+{0x00,0x3e,0x7e,0xc0,0xc0,0x7e,0x3e,0x00,},
+//0x57=87
+{0x00,0xfe,0xfe,0x60,0x30,0x60,0xfe,0xfe,},
+//0x58=88
+{0x00,0xc6,0xee,0x38,0x10,0x38,0xee,0xc6,},
+//0x59=89
+{0x00,0x0e,0x1e,0xf0,0xf0,0x1e,0x0e,0x00,},
+//0x5a=90
+{0x00,0xc2,0xe2,0xb2,0x9a,0x8e,0x86,0x00,},
+//0x5b=91
+{0x00,0x00,0x00,0xfe,0xfe,0x82,0x82,0x00,},
+//0x5c=92
+{0x00,0x04,0x0c,0x18,0x30,0x60,0x40,0x00,},
+//0x5d=93
+{0x00,0x82,0x82,0xfe,0xfe,0x00,0x00,0x00,},
+//0x5e=94
+{0x00,0x10,0x08,0x04,0x02,0x04,0x08,0x10,},
+//0x5f=95
+{0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x80,},
+//0x60=96
+{0x00,0x00,0x00,0x00,0x06,0x0e,0x08,0x00,},
+//0x61=97
+{0x00,0x40,0xe8,0xa8,0xa8,0xf8,0xf0,0x00,},
+//0x62=98
+{0x00,0xfe,0xfe,0x90,0x90,0xf0,0x60,0x00,},
+//0x63=99
+{0x00,0x70,0xf8,0x88,0x88,0xd8,0x50,0x00,},
+//0x64=100
+{0x00,0x60,0xf0,0x90,0x90,0xfe,0xfe,0x00,},
+//0x65=101
+{0x00,0x70,0xf8,0xa8,0xa8,0xb8,0x30,0x00,},
+//0x66=102
+{0x00,0x20,0xfc,0xfe,0x22,0x26,0x04,0x00,},
+//0x67=103
+{0x00,0x18,0xbc,0xa4,0xa4,0xfc,0x7c,0x00,},
+//0x68=104
+{0x00,0xfe,0xfe,0x10,0x10,0xf0,0xe0,0x00,},
+//0x69=105
+{0x00,0x00,0x80,0xf4,0xf4,0x80,0x00,0x00,},
+//0x6a=106
+{0x00,0x60,0xe0,0x80,0xfa,0x7a,0x00,0x00,},
+//0x6b=107
+{0x00,0xfe,0xfe,0x20,0x70,0xd8,0x88,0x00,},
+//0x6c=108
+{0x00,0x00,0x00,0xfe,0xfe,0x00,0x00,0x00,},
+//0x6d=109
+{0x00,0xf8,0xf8,0x30,0xe0,0x30,0xf8,0xf8,},
+//0x6e=110
+{0x00,0xf8,0xf8,0x18,0x18,0xf8,0xf0,0x00,},
+//0x6f=111
+{0x00,0x70,0xf8,0x88,0x88,0xf8,0x70,0x00,},
+//0x70=112
+{0x00,0xfc,0xfc,0x24,0x24,0x3c,0x18,0x00,},
+//0x71=113
+{0x00,0x18,0x3c,0x24,0xfc,0xfc,0x80,0xc0,},
+//0x72=114
+{0x00,0xf8,0xf8,0x08,0x08,0x38,0x30,0x00,},
+//0x73=115
+{0x00,0x90,0xa8,0xa8,0xa8,0xa8,0x48,0x00,},
+//0x74=116
+{0x00,0x10,0x10,0xfc,0xfc,0x10,0x10,0x00,},
+//0x75=117
+{0x00,0x78,0xf8,0x80,0x80,0xf8,0xf8,0x00,},
+//0x76=118
+{0x00,0x30,0x70,0xc0,0xc0,0x70,0x30,0x00,},
+//0x77=119
+{0x00,0x78,0xf8,0x80,0xf0,0x80,0xf8,0x78,},
+//0x78=120
+{0x00,0x88,0xd8,0x70,0x70,0xd8,0x88,0x00,},
+//0x79=121
+{0x00,0x18,0xb8,0xa0,0xa0,0xf8,0x78,0x00,},
+//0x7a=122
+{0x00,0x00,0xc8,0xe8,0xb8,0x98,0x00,0x00,},
+//0x7b=123
+{0x00,0x00,0x10,0x7c,0xee,0x82,0x82,0x00,},
+//0x7c=124
+{0x00,0x00,0x00,0xee,0xee,0x00,0x00,0x00,},
+//0x7d=125
+{0x00,0x82,0x82,0xee,0x7c,0x10,0x00,0x00,},
+//0x7e=126
+{0x00,0x10,0x18,0x08,0x18,0x10,0x08,0x00,},
+//0x7f=127
+{0x00,0xf0,0x98,0x8c,0x86,0x8c,0x98,0xf0,},
+};
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hd44780_8bit.cpp	Mon Nov 15 22:37:30 2010 +0000
@@ -0,0 +1,87 @@
+/*
+ * 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.
+*/
+
+#include "hd44780_8bit.h"
+
+#include "BusOut.h"
+#include "DigitalOut.h"
+#include "wait_api.h"
+
+
+void HD44780LCD8bit::writeText(unsigned int line, unsigned int pos, char text[]) {
+//    printf("print to %d,%d {%s}\n",line,pos,text);
+    int address=line*0x40+pos;
+    sendCmd((unsigned char)address|0x80);
+    wait_us(30);
+
+    int i=0;
+    while (text[i]!=0) {
+        sendData(text[i]);
+        wait_us(30);
+        i++;
+    }
+}
+
+void HD44780LCD8bit::clear() {
+    sendCmd(1);
+}
+
+void HD44780LCD8bit::sendCmd(unsigned char cmd) {
+    _rs->write(0);
+    wait_us(1);
+    sendByte(cmd);
+}
+
+void HD44780LCD8bit::sendData(unsigned char cmd) {
+    _rs->write(1);
+    wait_us(1);
+    sendByte(cmd);
+}
+
+HD44780LCD8bit::HD44780LCD8bit
+(unsigned int width, unsigned int height, BusOut *data, PinName enable, PinName rs)
+        :TextLCDBase(width, height)
+        {
+        _data=data;
+        _rs=new DigitalOut(rs);
+        _enable=new DigitalOut(enable);
+    _enable->write(0);
+    wait_ms(80);
+}
+
+void HD44780LCD8bit::init() {
+    unsigned char initCmd[5]={0x38,0x08,0x01,0x06,0x0c};
+    for (int i=0;i<sizeof(initCmd);i++) {
+        sendCmd(initCmd[i]);
+        wait_ms(50);
+    }
+}
+
+void HD44780LCD8bit::sendByte(unsigned char byte) {
+    _data->write(byte);
+    _enable->write(1);
+    wait_us(2);
+    _enable->write(0);
+    wait_us(30);
+}
+

--- /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

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ks0108_8bit.cpp	Mon Nov 15 22:37:30 2010 +0000
@@ -0,0 +1,155 @@
+/*
+ * 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.
+*/
+
+#include "ks0108_8bit.h"
+
+#include "BusOut.h"
+#include "DigitalOut.h"
+#include "wait_api.h"
+#include "font.h"
+
+#define ENABLE 1
+
+void KS0108LCD8bit::writeText(unsigned int line, unsigned int pos, char text[]) {
+    printf("print to %d,%d {%s}\n",line,pos,text);
+    int i=0;
+    while (text[i]!=0) {
+        setChar(line, pos+i,text[i]);
+        i++;
+    }
+}
+
+void KS0108LCD8bit::clear() {
+    clearHalf(_left);
+    if (NULL!=_right)
+        clearHalf(_right);
+}
+
+void KS0108LCD8bit::clearHalf(DigitalOut* cs) {
+    for (int x=0;x<8;x++)
+    {
+        for (int y=0;y<64;y++)
+        {
+            sendCmd(0xb8|x,cs); 
+            wait_us(1);    
+            sendCmd(0x40|y,cs); 
+            wait_us(1);    
+            sendData(0,cs);
+            wait_us(1);    
+        }
+    }
+}
+
+void KS0108LCD8bit::setChar(unsigned int line, unsigned int pos, char c) {
+    DigitalOut* cs=NULL;
+    if (pos>7)
+    {
+        cs=_right;
+        pos-=8;
+    }
+    else
+    {
+        cs=_left;
+    }
+    if (NULL==cs)
+        return;
+    
+    sendCmd(0xb8|line,cs); // set x page    
+
+    unsigned int y=pos*8;
+    sendCmd(0x40|y,cs); // set start line
+    
+    // send character data
+    for (int i=0;i<8;i++)
+    {
+        sendData(font_data[c][i],cs);
+    }
+    
+}
+
+KS0108LCD8bit::KS0108LCD8bit
+(unsigned int width, unsigned int height, BusOut *data, PinName enable, PinName rs, PinName leftCS, PinName rightCS)
+        :TextLCDBase(width, height) {
+    _data=data;
+    _rs=new DigitalOut(rs);
+    _enable=new DigitalOut(enable);
+    _left=new DigitalOut(leftCS);
+    _left->write(1-ENABLE);
+    if (NC!=rightCS)
+    {
+        _right=new DigitalOut(rightCS);
+        _right->write(1-ENABLE);
+    }
+    else
+        _right=NULL;
+    _enable->write(0);
+    wait_ms(80);
+}
+
+void KS0108LCD8bit::init() {
+    sendCmd(0x3f, _left);
+    wait_ms(10);
+    sendCmd(0xc0, _left);
+    
+    if (NULL!=_right)
+    {
+        sendCmd(0x3f, _right);
+        wait_ms(10);
+        sendCmd(0xc0, _right);
+    }
+    printf("left vs. right: %d / %d\n",_left,_right);
+    wait_ms(50);
+    clear();
+}
+
+void KS0108LCD8bit::sendCmd(unsigned char cmd, DigitalOut *cs) {
+    _rs->write(0);
+    wait_us(1);
+    sendByte(cmd, cs);
+    wait_us(10);
+}
+
+void KS0108LCD8bit::sendData(unsigned char cmd, DigitalOut *cs) {
+    _rs->write(1);
+    wait_us(1);
+    sendByte(cmd, cs);
+    wait_us(10);
+}
+
+void KS0108LCD8bit::sendByte(unsigned char byte, DigitalOut *cs) {
+    // display reads flags with rising flank of E
+//    printf("send to %d\n",cs);
+    _enable->write(0);
+    cs->write(ENABLE);
+    _data->write(byte);
+
+    wait_us(2);
+    _enable->write(1);
+
+    // display reads data with falling flank of E
+    wait_us(2);
+    _enable->write(0);
+
+    wait_us(30);
+    cs->write(1-ENABLE);
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ks0108_8bit.h	Mon Nov 15 22:37:30 2010 +0000
@@ -0,0 +1,69 @@
+/*
+ * 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 KS0108_8BIT_H_
+#define KS0108_8BIT_H_
+
+#include "lcd.h"
+
+#include "BusOut.h"
+#include "DigitalOut.h"
+
+using namespace mbed; 
+
+/**
+ * class for connecting graphical KS0108-based LCD-Display (or using similiar controllers)
+ * displays are connected in 8bit-mode
+ * for displaying ASCII, the vincent font from http://forum.osdev.org/viewtopic.php?f=2&t=22033 is used (courtesy to Quinn Evans)
+*/
+class KS0108LCD8bit: public TextLCDBase
+{
+    public:
+        /**
+         * @param width number of chars per line (using an 8x8 font)
+         * @param height number of lines (using an 8x8 font)
+         * @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)
+         * @param leftCS the pin name for the left display half (1=active)
+         * @param rightCS the pin name for the right display half (1=active, use NC for smaller displays)
+        */
+        KS0108LCD8bit(unsigned int width, unsigned int height, BusOut *data, PinName enable, PinName rs, PinName leftCS, PinName rightCS); 
+        virtual void init();
+        virtual void writeText(unsigned int line, unsigned int pos, char text[]);
+        virtual void clear();
+
+    protected:
+        void clearHalf(DigitalOut *cs);
+
+        void sendCmd(unsigned char byte, DigitalOut *cs);
+        void sendData(unsigned char byte, DigitalOut *cs);
+        
+        void sendByte(unsigned char byte, DigitalOut *cs);
+        
+        void setChar(unsigned int line, unsigned int pos, char c);
+        
+        BusOut* _data;
+        DigitalOut *_enable, *_rs, *_left, *_right;
+};
+#endif
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lcd.h	Mon Nov 15 22:37:30 2010 +0000
@@ -0,0 +1,49 @@
+/*
+ * 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 LCD_H_
+#define LCD_H_
+
+#include "window.h"
+
+/**
+ * base class for all (text based) LCD displays
+*/
+class TextLCDBase: public Window
+{
+    public:
+        /**
+         * this is the only function added to the Window interface
+         * it must be called from the outside, and initializes the display.
+        */
+        virtual void init()=0;
+        virtual int getHeight(){return _height;};
+        virtual int getWidth(){return _width;};
+    protected:
+        const unsigned int _width, _height;
+        TextLCDBase(unsigned int width, unsigned int height):_width(width),_height(height)
+        {
+        } 
+};
+
+#endif /*LCD_H_*/

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lcd_spi.cpp	Mon Nov 15 22:37:30 2010 +0000
@@ -0,0 +1,66 @@
+/*
+ * 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.
+*/
+
+#include "lcd_spi.h"
+
+#include "SPI.h"
+#include "DigitalOut.h"
+#include "wait_api.h"
+
+SPILCDBase::SPILCDBase
+(unsigned int width, unsigned int height, SPI *spi, PinName enable, PinName rs)
+:TextLCDBase(width,height)
+{
+    _spi=spi;
+    _enable=new DigitalOut(enable);
+    _rs=new DigitalOut(rs);
+    _enable->write(1);
+    _spi->format(8,3); // 8 bits, cpol=1, cpha=1 (should be mode 2, but phase seems inverted)
+    // set SPI frequency at 0.1 MHz
+    _spi->frequency(100000);
+}
+
+void SPILCDBase::sendByte(unsigned char byte)
+{
+    _enable->write(0); // enable transfer
+    wait_us(1);
+    _spi->write(byte); // send byte over wire
+    wait_us(20);
+    _enable->write(1);
+}
+
+void SPILCDBase::sendCmd(unsigned char cmd)
+{
+    _rs->write(0);
+    wait_us(1);
+    sendByte(cmd);
+    wait_us(1);
+    _rs->write(1);
+}
+
+void SPILCDBase::sendData(unsigned char cmd)
+{
+    _rs->write(1);
+    wait_us(1);
+    sendByte(cmd);
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lcd_spi.h	Mon Nov 15 22:37:30 2010 +0000
@@ -0,0 +1,53 @@
+/*
+ * 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 LCD_SPI_H_
+#define LCD_SPI_H_
+
+#include "lcd.h"
+
+#include "DigitalOut.h"
+#include "SPI.h"
+
+using namespace mbed; 
+
+/**
+ * base class for all SPI based LCD displays.
+ * Provides methods for sending commands and data to the display.
+*/
+class SPILCDBase: public TextLCDBase
+{
+    public:
+        SPILCDBase(unsigned int width, unsigned int height, SPI *spi, PinName enable, PinName rs); 
+
+    protected:
+        void sendCmd(unsigned char byte);
+        void sendData(unsigned char byte);
+        
+        void sendByte(unsigned char byte);
+
+        SPI* _spi;
+        DigitalOut  *_enable, *_rs;
+};
+
+#endif
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multiwindow.cpp	Mon Nov 15 22:37:30 2010 +0000
@@ -0,0 +1,53 @@
+/*
+ * 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.
+*/
+
+#include "multiwindow.h"
+
+MultiWindow::MultiWindow(vector<Window*> lcds) {
+    _lcds=lcds;
+    int len=_lcds.size();
+    _height=0;
+    for (int i=0;i<len;i++) {
+        _height+=_lcds[i]->getHeight();
+    }
+    _width=_lcds[0]->getWidth();
+}
+
+void MultiWindow::writeText(unsigned int line, unsigned int pos, char text[]) {
+    int len=_lcds.size();
+    int lines=0;
+    for (int i=0;i<len;i++) {
+        int height=_lcds[i]->getHeight();
+        if (line>=lines && line <lines+height) {
+            _lcds[i]->writeText(line-lines,pos,text);
+        }
+        lines+=height;
+    }
+}
+
+void MultiWindow::clear() {
+    int len=_lcds.size();
+    for (int i=0;i<len;i++) {
+        _lcds[i]->clear();
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multiwindow.h	Mon Nov 15 22:37:30 2010 +0000
@@ -0,0 +1,59 @@
+/*
+ * 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 MULTIWINDOW_H_
+#define MULTIWINDOW_H_
+
+#include "window.h"
+
+#include "vector"
+
+using namespace std;
+
+/**
+ * Class for combining multiple windows into a single one (by stacking them on top of each other).
+ * It is assumed that all windows are of the same width (but they might be of different height).
+*/
+class MultiWindow: public Window
+{
+    public:
+        /**
+         * @param lcds the vector of windows to stack. Aggregated height is calculated as sum of all heights
+        */
+        MultiWindow(vector<Window*> lcds);
+        /**
+         * writes text to the parent window which contains the given line
+        */
+        virtual void writeText(unsigned int line, unsigned int pos, char text[]);
+        virtual int getHeight(){return _height;};
+        virtual int getWidth(){return _width;};
+        /**
+         * clears all parent windows
+        */
+        virtual void clear();
+    private:
+        vector<Window*> _lcds;
+        int _height,_width;
+};
+
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/subwindow.cpp	Mon Nov 15 22:37:30 2010 +0000
@@ -0,0 +1,62 @@
+/*
+ * 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.
+*/
+
+#include "subwindow.h"
+
+#include "string.h"
+
+SubWindow::SubWindow(Window* lcd, unsigned int offsetX, unsigned int offsetY, unsigned int width, unsigned int height) {
+    _lcd=lcd;
+    _offsetX=offsetX;
+    _offsetY=offsetY;
+    _width=width;
+    _height=height;
+
+}
+
+void SubWindow::writeText(unsigned int line, unsigned int pos, char* text) {
+    if (line>_height)
+        return;
+
+    char* text2=new char[_width-pos+1];
+    int i=0;
+    while (i<_width-pos+1) {
+        text2[i]=text[i];
+        if (text[i]=='\0')
+            break;
+        i++;
+    }
+    text2[_width-pos]='\0';
+
+    _lcd->writeText(line+_offsetY, pos+_offsetX, text2);
+    delete [] text2;
+}
+
+void SubWindow::clear() {
+    char* spaces=new char[_width+1];
+    memset(spaces,32,_width);
+    spaces[_width]=0;
+    for (int i=0;i<_height;i++) {
+        _lcd->writeText(i+_offsetY,_offsetX,spaces);
+    }
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/subwindow.h	Mon Nov 15 22:37:30 2010 +0000
@@ -0,0 +1,57 @@
+/*
+ * 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 SUBWINDOW_H_
+#define SUBWINDOW_H_
+
+#include "window.h"
+
+/**
+ * A window class using only a part of a parent window for output.
+ * It is assumed that the sub window fill fit into the parent.
+*/
+class SubWindow: public Window
+{
+    public:
+        /**
+         * It is assumed that the sub window fill fit into the parent.
+         * @param lcd the parent window
+         * @param offsetX in which column to start the sub window
+         * @param offsetY in which line to start the sub window
+         * @param width the width of the sub window
+         * @param height the height of the sub window
+        */
+        SubWindow(Window* lcd, unsigned int offsetX, unsigned int offsetY, unsigned int width, unsigned int height);
+        virtual void writeText(unsigned int line, unsigned int pos, char text[]);
+        virtual int getHeight(){return _height;};
+        virtual int getWidth(){return _width;};
+        /**
+         * clear the part of the parent window which is spanned by the sub window.
+        */
+        virtual void clear();
+    private:
+        Window* _lcd;
+        unsigned int _offsetX, _offsetY, _width, _height;
+};
+
+#endif
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/teewindow.cpp	Mon Nov 15 22:37:30 2010 +0000
@@ -0,0 +1,45 @@
+/*
+ * 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.
+*/
+
+#include "teewindow.h"
+
+TeeWindow::TeeWindow(vector<Window*> lcds) {
+    _lcds=lcds;
+    int len=_lcds.size();
+    _height=_lcds[0]->getHeight();
+    _width=_lcds[0]->getWidth();
+}
+
+void TeeWindow::writeText(unsigned int line, unsigned int pos, char text[]) {
+    int len=_lcds.size();
+    for (int i=0;i<len;i++) {
+        _lcds[i]->writeText(line,pos,text);
+    }
+}
+
+void TeeWindow::clear() {
+    int len=_lcds.size();
+    for (int i=0;i<len;i++) {
+        _lcds[i]->clear();;
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/teewindow.h	Mon Nov 15 22:37:30 2010 +0000
@@ -0,0 +1,58 @@
+/*
+ * 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 TEEWINDOW_H_
+#define TEEWINDOW_H_
+
+#include "window.h"
+#include "vector"
+
+using namespace std;
+
+/**
+ * A window class duplicating all writes into all given parent windows (like the Unix 'tee' command).
+ * It is assumed that all given windows are of the same size.
+*/
+class TeeWindow: public Window
+{
+    public:
+        /**
+         * @param lcds the vector of windows to write into
+        */
+        TeeWindow(vector<Window*> lcds);
+        /**
+         * writes the text to all parent windows
+        */
+        virtual void writeText(unsigned int line, unsigned int pos, char text[]);
+        virtual int getHeight(){return _height;};
+        virtual int getWidth(){return _width;};
+        /**
+         * clears all parent windows
+        */
+        virtual void clear();
+    private:
+        vector<Window*> _lcds;
+        int _height,_width;
+};
+
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/terminal.cpp	Mon Nov 15 22:37:30 2010 +0000
@@ -0,0 +1,76 @@
+/*
+ * 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.
+*/
+
+#include "terminal.h"
+#include "string.h"
+
+Terminal::Terminal(Window* window) {
+    _window=window;
+    _height=window->getHeight();
+    _width=window->getWidth();
+    _lines=new char*[_height];
+    for (int i=0;i<_height;i++) {
+        _lines[i]=createLine();
+    }
+}
+
+char* Terminal::createLine()
+{
+    char* text=new char[_width+1];
+    memset(text,32,_width);
+    text[_width]=0;
+    return text;
+}
+
+void Terminal::writeText(unsigned int line, unsigned int pos, char text[]) {
+    _window->writeText(line,pos,text);
+    int min=pos+strlen(text);
+    if (min>_width)
+        min=_width;
+    for (int i=pos;i<min;i++) {
+        _lines[line][i]=text[i-pos]; // copy text into proper line
+    }
+}
+
+void Terminal::addText(char text[]) {
+    delete [] _lines[0];
+    for (int i=0;i<_height-1;i++) {
+        _lines[i]=_lines[i+1];
+    }
+    _lines[_height-1]=createLine();
+    memset(_lines[_height-1],32,_width);
+    int min=strlen(text);
+    if (min>_width)
+        min=_width;
+    for (int i=0;i<min;i++) {
+        _lines[_height-1][i]=text[i]; // copy text into proper line
+    }
+    clear();
+    for (int i=0;i<_height;i++) {
+        _window->writeText(i,0,_lines[i]);
+    }
+}
+
+void Terminal::clear() {
+    _window->clear();
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/terminal.h	Mon Nov 15 22:37:30 2010 +0000
@@ -0,0 +1,60 @@
+/*
+ * 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 TERMINAL_H_
+#define TERMINAL_H_
+
+#include "window.h"
+
+/**
+ * A windows class which uses an internal buffer to provide automatic scrolling.
+ * The buffer is initially filled with spaces.
+*/
+class Terminal: public Window
+{
+    public:
+        /**
+         * @param window the parent window
+        */
+        Terminal(Window* window);
+        /**
+         * works like the normal writeText method, 
+         * but also stores the written text into the internal buffer (which makes it subject to scrolling)
+        */
+        virtual void writeText(unsigned int line, unsigned int pos, char text[]);
+        /**
+         * write the given text into the last line (at the first position)
+         * @param text the text to write
+        */
+        virtual void addText(char text[]);
+        virtual int getHeight(){return _height;};
+        virtual int getWidth(){return _width;};
+        virtual void clear();
+    private:
+        Window* _window;
+        char** _lines;
+        int _height, _width;
+        char* createLine();
+};
+
+#endif
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/window.h	Mon Nov 15 22:37:30 2010 +0000
@@ -0,0 +1,55 @@
+/*
+ * 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 WINDOW_H_
+#define WINDOW_H_
+
+/**
+ * the base window class, which proves the interface for all common methods.
+*/
+class Window
+{
+    public:
+        /**
+         * write text into the window, at the given position. 
+         * Implementations should check for the length of the text and shorten it accordingly.
+         * @params line the line where to write
+         * @params pos the column where to write
+         * @params text the text to write
+        */
+        virtual void writeText(unsigned int line, unsigned int pos, char text[])=0;
+        /**
+         * @param returns the height of the window
+        */
+        virtual int getHeight()=0;
+        /**
+         * @param returns the width of the window
+        */
+        virtual int getWidth()=0;
+        /**
+         * clears the window
+        */
+        virtual void clear()=0;
+};
+
+#endif /*WINDOW_H_*/