Revision 0:36fb749b83c7, committed 2009-12-07

Comitter:

snatch59

Date:

Mon Dec 07 17:24:52 2009 +0000

Commit message:

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Joystick.cpp	Mon Dec 07 17:24:52 2009 +0000
@@ -0,0 +1,126 @@
+/*
+* N3310LCD. A program to interface mbed with the nuelectronics
+* Nokia 3310 LCD shield from www.nuelectronics.com. Ported from
+* the nuelectronics Arduino code.
+*
+* Copyright (C) <2009> Petras Saduikis <petras@petras.co.uk>
+*
+* This file is part of N3310LCD.
+*
+* N3310LCD 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.
+* 
+* N3310LCD 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.
+*
+* You should have received a copy of the GNU General Public License
+* along with N3310LCD.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <mbed.h>
+#include "Joystick.h"
+
+//keypad debounce parameter
+#define DEBOUNCE_MAX 15
+#define DEBOUNCE_ON  10
+#define DEBOUNCE_OFF 3
+
+// values correspond to use of a 3.3V supply for the LCD shield.
+const int Joystick::adcKeyVal[NUM_KEYS] = {50,     // LEFT
+                                           200,    // CENTER DEPRESSED
+                                           400,    // DOWN 
+                                           600,    // UP
+                                           800     // RIGHT
+                                           // 1024 CENTER NOT DEPRESSED
+                                           };
+                                           
+Joystick::Joystick(PinName jstick) : joystick(jstick)
+{
+    // reset button arrays
+    for (int i = 0; i < NUM_KEYS; i++)
+    {
+        buttonCount[i] = 0;
+        buttonStatus[i] = 0;
+        buttonFlag[i] = 0;
+    }
+}
+
+int Joystick::getKeyState(int i)
+{
+    int retval = 0;
+    
+    if (i < NUM_KEYS)
+    {
+        retval = buttonFlag[i];
+    }
+    
+    return retval;
+}
+
+void Joystick::resetKeyState(int i)
+{
+    if (i < NUM_KEYS)
+    {
+        buttonFlag[i] = 0;
+    }
+}
+
+void Joystick::updateADCKey()
+{
+    // NOTE: the mbed analog in is 0 - 3.3V, represented as 0.0 - 1.0. It is important 
+    // that the LCD shield is powered from a 3.3V supply in order for the 'right' joystick
+    // key to function correctly.
+    
+    int adcKeyIn = joystick * 1024;    // scale this up so we can use int
+    int keyIn = getKey(adcKeyIn);
+    
+    for (int i = 0; i < NUM_KEYS; i++)
+    {
+        if (keyIn == i)  //one key is pressed 
+        { 
+            if (buttonCount[i] < DEBOUNCE_MAX)
+            {
+                buttonCount[i]++;
+                if (buttonCount[i] > DEBOUNCE_ON)
+                {
+                    if (buttonStatus[i] == 0)
+                    {
+                        buttonFlag[i] = 1;
+                        buttonStatus[i] = 1; //button debounced to 'pressed' status
+                    }
+                }
+            }
+        }
+        else // no button pressed
+        {
+            if (buttonCount[i] > 0)
+            {  
+                buttonFlag[i] = 0;    
+                buttonCount[i]--;
+                if (buttonCount[i] < DEBOUNCE_OFF)
+                {
+                    buttonStatus[i] = 0;   //button debounced to 'released' status
+                }
+            }
+        }
+    }
+}
+  
+// Convert ADC value to key number
+int Joystick::getKey(int input)
+{
+    int k;
+    
+    for (k = 0; k < NUM_KEYS; k++)
+    {
+        if (input < adcKeyVal[k]) return k;
+    }
+    
+    if (k >= NUM_KEYS) k = -1;     // No valid key pressed
+    
+    return k;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Joystick.h	Mon Dec 07 17:24:52 2009 +0000
@@ -0,0 +1,55 @@
+/*
+* N3310LCD. A program to interface mbed with the nuelectronics
+* Nokia 3310 LCD shield from www.nuelectronics.com. Ported from
+* the nuelectronics Arduino code.
+*
+* Copyright (C) <2009> Petras Saduikis <petras@petras.co.uk>
+*
+* This file is part of N3310LCD.
+*
+* N3310LCD 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.
+* 
+* N3310LCD 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.
+*
+* You should have received a copy of the GNU General Public License
+* along with N3310LCD.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef SNATCH59_JOYSTICK_H
+#define SNATCH59_JOYSTICK_H
+
+#define NUM_KEYS    5
+
+enum eJoystickKey {LEFT_KEY, CENTER_KEY, DOWN_KEY, UP_KEY, RIGHT_KEY};
+
+class Joystick
+{
+public:
+    Joystick(PinName jstick);
+    
+    int getKeyState(int i);
+    void resetKeyState(int i);
+    void updateADCKey();        // call this to initiate joystick read
+    
+private:
+    // data
+    int buttonCount[NUM_KEYS];    // debounce counters
+    int buttonStatus[NUM_KEYS];   // button status - pressed/released
+    int buttonFlag[NUM_KEYS];     // button on flags for user program
+    
+    static const int adcKeyVal[NUM_KEYS];
+    
+    // I/O
+    AnalogIn    joystick;
+    
+    // functions
+    int getKey(int input);
+};
+
+#endif
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/N3310Fonts.h	Mon Dec 07 17:24:52 2009 +0000
@@ -0,0 +1,264 @@
+/*
+* N3310LCD. A program to interface mbed with the nuelectronics
+* Nokia 3310 LCD shield from www.nuelectronics.com. Ported from
+* the nuelectronics Arduino code.
+*
+* Copyright (C) <2009> Petras Saduikis <petras@petras.co.uk>
+*
+* This file is part of N3310LCD.
+*
+* N3310LCD 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.
+* 
+* N3310LCD 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.
+*
+* You should have received a copy of the GNU General Public License
+* along with N3310LCD.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef SNATCH59_N3310FONTS_H
+#define SNATCH59_N3310FONTS_H
+
+// 6 x 8 font
+// 1 pixel space at left and bottom
+// index = ASCII - 32
+
+unsigned char font6_8[][6] =
+{
+    { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },   // sp
+    { 0x00, 0x00, 0x00, 0x2f, 0x00, 0x00 },   // !
+    { 0x00, 0x00, 0x07, 0x00, 0x07, 0x00 },   // "
+    { 0x00, 0x14, 0x7f, 0x14, 0x7f, 0x14 },   // #
+    { 0x00, 0x24, 0x2a, 0x7f, 0x2a, 0x12 },   // $
+    { 0x00, 0x62, 0x64, 0x08, 0x13, 0x23 },   // %
+    { 0x00, 0x36, 0x49, 0x55, 0x22, 0x50 },   // &
+    { 0x00, 0x00, 0x05, 0x03, 0x00, 0x00 },   // '
+    { 0x00, 0x00, 0x1c, 0x22, 0x41, 0x00 },   // (
+    { 0x00, 0x00, 0x41, 0x22, 0x1c, 0x00 },   // )
+    { 0x00, 0x14, 0x08, 0x3E, 0x08, 0x14 },   // *
+    { 0x00, 0x08, 0x08, 0x3E, 0x08, 0x08 },   // +
+    { 0x00, 0x00, 0x00, 0xA0, 0x60, 0x00 },   // ,
+    { 0x00, 0x08, 0x08, 0x08, 0x08, 0x08 },   // -
+    { 0x00, 0x00, 0x60, 0x60, 0x00, 0x00 },   // .
+    { 0x00, 0x20, 0x10, 0x08, 0x04, 0x02 },   // /
+    { 0x00, 0x3E, 0x51, 0x49, 0x45, 0x3E },   // 0
+    { 0x00, 0x00, 0x42, 0x7F, 0x40, 0x00 },   // 1
+    { 0x00, 0x42, 0x61, 0x51, 0x49, 0x46 },   // 2
+    { 0x00, 0x21, 0x41, 0x45, 0x4B, 0x31 },   // 3
+    { 0x00, 0x18, 0x14, 0x12, 0x7F, 0x10 },   // 4
+    { 0x00, 0x27, 0x45, 0x45, 0x45, 0x39 },   // 5
+    { 0x00, 0x3C, 0x4A, 0x49, 0x49, 0x30 },   // 6
+    { 0x00, 0x01, 0x71, 0x09, 0x05, 0x03 },   // 7
+    { 0x00, 0x36, 0x49, 0x49, 0x49, 0x36 },   // 8
+    { 0x00, 0x06, 0x49, 0x49, 0x29, 0x1E },   // 9
+    { 0x00, 0x00, 0x36, 0x36, 0x00, 0x00 },   // :
+    { 0x00, 0x00, 0x56, 0x36, 0x00, 0x00 },   // ;
+    { 0x00, 0x08, 0x14, 0x22, 0x41, 0x00 },   // <
+    { 0x00, 0x14, 0x14, 0x14, 0x14, 0x14 },   // =
+    { 0x00, 0x00, 0x41, 0x22, 0x14, 0x08 },   // >
+    { 0x00, 0x02, 0x01, 0x51, 0x09, 0x06 },   // ?
+    { 0x00, 0x32, 0x49, 0x59, 0x51, 0x3E },   // @
+    { 0x00, 0x7C, 0x12, 0x11, 0x12, 0x7C },   // A
+    { 0x00, 0x7F, 0x49, 0x49, 0x49, 0x36 },   // B
+    { 0x00, 0x3E, 0x41, 0x41, 0x41, 0x22 },   // C
+    { 0x00, 0x7F, 0x41, 0x41, 0x22, 0x1C },   // D
+    { 0x00, 0x7F, 0x49, 0x49, 0x49, 0x41 },   // E
+    { 0x00, 0x7F, 0x09, 0x09, 0x09, 0x01 },   // F
+    { 0x00, 0x3E, 0x41, 0x49, 0x49, 0x7A },   // G
+    { 0x00, 0x7F, 0x08, 0x08, 0x08, 0x7F },   // H
+    { 0x00, 0x00, 0x41, 0x7F, 0x41, 0x00 },   // I
+    { 0x00, 0x20, 0x40, 0x41, 0x3F, 0x01 },   // J
+    { 0x00, 0x7F, 0x08, 0x14, 0x22, 0x41 },   // K
+    { 0x00, 0x7F, 0x40, 0x40, 0x40, 0x40 },   // L
+    { 0x00, 0x7F, 0x02, 0x0C, 0x02, 0x7F },   // M
+    { 0x00, 0x7F, 0x04, 0x08, 0x10, 0x7F },   // N
+    { 0x00, 0x3E, 0x41, 0x41, 0x41, 0x3E },   // O
+    { 0x00, 0x7F, 0x09, 0x09, 0x09, 0x06 },   // P
+    { 0x00, 0x3E, 0x41, 0x51, 0x21, 0x5E },   // Q
+    { 0x00, 0x7F, 0x09, 0x19, 0x29, 0x46 },   // R
+    { 0x00, 0x46, 0x49, 0x49, 0x49, 0x31 },   // S
+    { 0x00, 0x01, 0x01, 0x7F, 0x01, 0x01 },   // T
+    { 0x00, 0x3F, 0x40, 0x40, 0x40, 0x3F },   // U
+    { 0x00, 0x1F, 0x20, 0x40, 0x20, 0x1F },   // V
+    { 0x00, 0x3F, 0x40, 0x38, 0x40, 0x3F },   // W
+    { 0x00, 0x63, 0x14, 0x08, 0x14, 0x63 },   // X
+    { 0x00, 0x07, 0x08, 0x70, 0x08, 0x07 },   // Y
+    { 0x00, 0x61, 0x51, 0x49, 0x45, 0x43 },   // Z
+    { 0x00, 0x00, 0x7F, 0x41, 0x41, 0x00 },   // [
+    { 0x00, 0x55, 0x2A, 0x55, 0x2A, 0x55 },   // 55
+    { 0x00, 0x00, 0x41, 0x41, 0x7F, 0x00 },   // ]
+    { 0x00, 0x04, 0x02, 0x01, 0x02, 0x04 },   // ^
+    { 0x00, 0x40, 0x40, 0x40, 0x40, 0x40 },   // _
+    { 0x00, 0x00, 0x01, 0x02, 0x04, 0x00 },   // '
+    { 0x00, 0x20, 0x54, 0x54, 0x54, 0x78 },   // a
+    { 0x00, 0x7F, 0x48, 0x44, 0x44, 0x38 },   // b
+    { 0x00, 0x38, 0x44, 0x44, 0x44, 0x20 },   // c
+    { 0x00, 0x38, 0x44, 0x44, 0x48, 0x7F },   // d
+    { 0x00, 0x38, 0x54, 0x54, 0x54, 0x18 },   // e
+    { 0x00, 0x08, 0x7E, 0x09, 0x01, 0x02 },   // f
+    { 0x00, 0x18, 0xA4, 0xA4, 0xA4, 0x7C },   // g
+    { 0x00, 0x7F, 0x08, 0x04, 0x04, 0x78 },   // h
+    { 0x00, 0x00, 0x44, 0x7D, 0x40, 0x00 },   // i
+    { 0x00, 0x40, 0x80, 0x84, 0x7D, 0x00 },   // j
+    { 0x00, 0x7F, 0x10, 0x28, 0x44, 0x00 },   // k
+    { 0x00, 0x00, 0x41, 0x7F, 0x40, 0x00 },   // l
+    { 0x00, 0x7C, 0x04, 0x18, 0x04, 0x78 },   // m
+    { 0x00, 0x7C, 0x08, 0x04, 0x04, 0x78 },   // n
+    { 0x00, 0x38, 0x44, 0x44, 0x44, 0x38 },   // o
+    { 0x00, 0xFC, 0x24, 0x24, 0x24, 0x18 },   // p
+    { 0x00, 0x18, 0x24, 0x24, 0x18, 0xFC },   // q
+    { 0x00, 0x7C, 0x08, 0x04, 0x04, 0x08 },   // r
+    { 0x00, 0x48, 0x54, 0x54, 0x54, 0x20 },   // s
+    { 0x00, 0x04, 0x3F, 0x44, 0x40, 0x20 },   // t
+    { 0x00, 0x3C, 0x40, 0x40, 0x20, 0x7C },   // u
+    { 0x00, 0x1C, 0x20, 0x40, 0x20, 0x1C },   // v
+    { 0x00, 0x3C, 0x40, 0x30, 0x40, 0x3C },   // w
+    { 0x00, 0x44, 0x28, 0x10, 0x28, 0x44 },   // x
+    { 0x00, 0x1C, 0xA0, 0xA0, 0xA0, 0x7C },   // y
+    { 0x00, 0x44, 0x64, 0x54, 0x4C, 0x44 },   // z
+    { 0x00,0x00, 0x06, 0x09, 0x09, 0x06 }    // horiz lines
+};
+
+
+//******* VERY LARGE FONTS ********** 
+//used here for displaying numbers 0 - 9 and '+', '-', '.'
+
+unsigned char   big_number[13][3][16]  = 
+{
+    0,128,192,224,224,96,224,224,  //'0'
+    192,128,0,0,0,0,0,0
+    ,
+    112,255,255,1,0,0,0,0,
+    255,255,254,0,0,0,0,0
+    ,
+    0,15,31,60,56,48,56,56,
+    31,15,3,0,0,0,0,0
+    ,
+
+    0,0,0,0,128,224,224,0,            //'1'
+    0,0,0,0,0,0,0,0
+    ,
+    0,0,3,3,3,255,255,0,
+    0,0,0,0,0,0,0,0
+    ,
+    0,0,56,56,56,63,63,56,
+    56,56,0,0,0,0,0,0
+    ,
+
+    0,192,192,224,96,96,224,224,   //'2'
+    192,128,0,0,0,0,0,0
+    ,
+    0,1,0,0,128,192,224,249,
+    63,31,0,0,0,0,0,0
+    ,
+    0,60,62,63,63,59,57,56,
+    56,56,56,0,0,0,0,0
+    ,
+
+    0,192,224,224,96,96,224,224,   //'3'
+    192,192,0,0,0,0,0,0
+    ,
+    0,1,0,0,48,48,56,125,
+    239,207,0,0,0,0,0,0
+    ,
+    0,28,56,56,48,48,56,60,
+    31,15,1,0,0,0,0,0
+    ,
+
+    0,0,0,0,0,128,192,224,            //'4'
+    224,0,0,0,0,0,0,0
+    ,
+    224,240,248,222,207,199,193,255,
+    255,192,192,0,0,0,0,0
+    ,
+    0,0,0,0,0,0,0,63,
+    63,0,0,0,0,0,0,0
+    ,
+
+    0,224,224,224,224,224,224,224,    //'5'
+    224,224,224,0,0,0,0,0
+    ,
+    0,63,63,63,56,56,48,112,
+    240,224,0,0,0,0,0,0
+    ,
+    0,28,56,56,48,48,56,60,
+    31,15,1,0,0,0,0,0
+    ,
+
+    0,0,128,192,192,224,96,96,        //'6'
+    224,224,0,0,0,0,0,0
+    ,
+    224,254,255,55,57,24,24,56,
+    240,240,192,0,0,0,0,0
+    ,
+    0,15,31,28,56,48,48,56,
+    31,15,7,0,0,0,0,0
+    ,
+
+    0,224,224,224,224,224,224,224,         //'7'
+    224,224,224,0,0,0,0,0
+    ,
+    0,0,0,0,128,224,248,126,
+    31,7,1,0,0,0,0,0
+    ,
+    0,0,56,62,31,7,1,0,
+    0,0,0,0,0,0,0,0
+    ,
+
+    0,128,192,224,224,96,96,224,         //'8'
+    192,192,0,0,0,0,0,0
+    ,
+    0,207,255,127,56,48,112,112,
+    255,239,199,0,0,0,0,0
+    ,
+    3,15,31,60,56,48,48,56,
+    31,31,15,0,0,0,0,0
+    ,
+
+    0,128,192,224,224,96,224,224,         //'9'
+    192,128,0,0,0,0,0,0
+    ,
+    12,63,127,241,224,192,192,225,
+    255,255,254,0,0,0,0,0
+    ,
+    0,0,56,48,48,56,56,30,
+    15,7,0,0,0,0,0,0
+    ,
+
+
+    0,0,0,0,0,0,0,0,                         //'.'
+    0,0,0,0,0,0,0,0
+    ,
+    0,0,0,0,0,0,0,0,
+    0,0,0,0,0,0,0,0
+    ,
+    60,60,60,0,0,0,0,0,
+    0,0,0,0,0,0,0,0
+    ,
+
+    0,0,0,0,0,0,0,0,                        //'+'
+    0,0,0,0,0,0,0,0
+    ,
+    0,0,64,64,64,64,64,254,
+    254,64,64,64,64,64,0,0
+    ,
+    0,0,0,0,0,0,0,15,
+    15,0,0,0,0,0,0,0
+    ,
+
+    0,0,0,0,0,0,0,0,                         //'-'
+    0,0,0,0,0,0,0,0
+    ,
+    0,64,64,64,64,64,64,0,
+    0,0,0,0,0,0,0,0
+    ,
+    0,0,0,0,0,0,0,0,
+    0,0,0,0,0,0,0,0
+};
+
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/N3310LCD.cpp	Mon Dec 07 17:24:52 2009 +0000
@@ -0,0 +1,176 @@
+/*
+* N3310LCD. A program to interface mbed with the nuelectronics
+* Nokia 3310 LCD shield from www.nuelectronics.com. Ported from
+* the nuelectronics Arduino code.
+*
+* Copyright (C) <2009> Petras Saduikis <petras@petras.co.uk>
+*
+* This file is part of N3310LCD.
+*
+* N3310LCD 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.
+* 
+* N3310LCD 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.
+*
+* You should have received a copy of the GNU General Public License
+* along with N3310LCD.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "N3310LCD.h"
+#include "N3310Fonts.h"
+
+N3310LCD::N3310LCD (PinName mosi, PinName miso, PinName sck, 
+                    PinName ce, PinName dat_cmd, PinName lcd_rst, PinName bl_on) : 
+                    lcdPort(mosi, miso, sck),
+                    ceWire(ce), dcWire(dat_cmd), rstWire(lcd_rst), blWire(bl_on)
+{
+}
+
+void N3310LCD::init()
+{
+    // use default SPI format
+    lcdPort.format(8,0);
+    lcdPort.frequency(1000000);
+    
+    // lcd reset
+    wait_ms(1);
+    rstWire = 0;
+    wait_ms(1);
+    rstWire = 1;
+    
+    write(0x21, CMD);    
+    write(0xc8, CMD);    
+    write(0x06, CMD);    
+    write(0x13, CMD);    
+    write(0x20, CMD);    
+    cls();            
+    write(0x0c, CMD);
+}
+
+void N3310LCD::cls()
+{
+    write(0x0c, CMD);            
+    write(0x80, CMD);            
+
+    for (int i = 0; i < 504; i++)
+    {
+        write(0, DATA);
+    }
+}
+
+void N3310LCD::backlight(eBacklight state)
+{
+    // switch off/on back light
+    blWire = state;
+}
+
+void N3310LCD::write(BYTE data, eRequestType req_type)
+{
+    // bring CS low for write
+    ceWire = 0;
+    
+    if (CMD == req_type)
+        dcWire = 0;
+    else // DATA
+        dcWire = 1;
+        
+    lcdPort.write(data);
+    
+    // write finished
+    ceWire = 1;
+}
+
+void N3310LCD::locate(BYTE xPos, BYTE yPos)
+{
+    write(0x40 | yPos, CMD);      // column
+    write(0x80 | xPos, CMD);      // row    
+}
+
+void N3310LCD::drawBitmap(BYTE xPos, BYTE yPos, BYTE* bitmap, BYTE bmpXSize, BYTE bmpYSize)
+{
+    BYTE row;
+    
+    if (0 == bmpYSize % 8)
+        row = bmpYSize/8;  
+    else
+        row = bmpYSize/8 + 1;
+    
+    for (BYTE n = 0; n < row; n++)
+    {
+        locate(xPos, yPos);
+        for(BYTE i = 0; i < bmpXSize; i++)
+        {
+            write(bitmap[i + (n * bmpXSize)], DATA);
+        }
+        yPos++;                       
+    }
+}
+
+void N3310LCD::writeString(BYTE xPos, BYTE yPos, char* string, eDisplayMode mode)
+{
+    locate(xPos, yPos);
+    
+    while (*string) 
+    {
+        writeChar(*string++, mode);
+    }
+}
+                  
+void N3310LCD::writeStringBig(BYTE xPos, BYTE yPos, char* string, eDisplayMode mode)
+{
+    while (*string)
+    {     
+        writeCharBig(xPos, yPos, *string , mode);
+        
+        if('.' == *string++)
+            xPos += 5;
+        else
+            xPos += 12;
+    }
+}
+
+void N3310LCD::writeChar(BYTE ch, eDisplayMode mode)
+{
+    BYTE sendByte;
+    
+    unsigned char* pFont = (unsigned char*)font6_8;
+    ch -= 32;
+
+    for (BYTE line = 0; line < 6; line++)
+    {
+        sendByte = *(pFont + ch*6 + line);
+        write((mode == NORMAL)? sendByte: (sendByte ^ 0xff) , DATA);
+    }
+}
+
+void N3310LCD::writeCharBig(BYTE xPos, BYTE yPos, BYTE ch, eDisplayMode mode)
+{
+    BYTE sendByte;
+   
+    unsigned char* pFont = (unsigned char *) big_number;
+   
+    if('.' == ch)
+        ch = 10;
+    else if ('+' == ch)
+        ch = 11;
+    else if ('-' == ch)
+        ch = 12;
+    else
+        ch = ch & 0x0f;
+    
+    for(BYTE i = 0; i < 3; i++)
+    {    
+        locate(xPos, yPos + i);
+ 
+        for(BYTE j = 0; j < 16; j++)
+        {
+            sendByte =  *(pFont + ch*48 + i*16 + j);
+            write((mode == NORMAL)? sendByte : (sendByte^0xff), DATA);
+        }
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/N3310LCD.h	Mon Dec 07 17:24:52 2009 +0000
@@ -0,0 +1,57 @@
+/*
+* N3310LCD. A program to interface mbed with the nuelectronics
+* Nokia 3310 LCD shield from www.nuelectronics.com. Ported from
+* the nuelectronics Arduino code.
+*
+* Copyright (C) <2009> Petras Saduikis <petras@petras.co.uk>
+*
+* This file is part of N3310LCD.
+*
+* N3310LCD 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.
+* 
+* N3310LCD 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.
+*
+* You should have received a copy of the GNU General Public License
+* along with N3310LCD.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef SNATCH59_N3310LCD_H
+#define SNATCH59_N3310LCD_H
+
+#include <mbed.h>
+#include "N3310LCDDefs.h"
+
+class N3310LCD
+{
+public:
+    N3310LCD(PinName mosi, PinName miso, PinName sck, 
+             PinName ce, PinName dat_cmd, PinName lcd_rst, PinName bl_on);
+    
+    void init();
+    void cls();
+    void backlight(eBacklight state);
+    void write(BYTE data, eRequestType req_type);   
+    void locate(BYTE xPos, BYTE yPos);
+    
+    void drawBitmap(BYTE xPos, BYTE yPos, BYTE* bitmap, BYTE bmpXSize, BYTE bmpYSize);
+    void writeString(BYTE xPos, BYTE yPos, char* string, eDisplayMode mode);                  
+    void writeStringBig(BYTE xPos, BYTE yPos, char* string, eDisplayMode mode);
+    void writeChar(BYTE ch, eDisplayMode mode);
+    void writeCharBig(BYTE xPos, BYTE yPos, BYTE ch, eDisplayMode mode);
+    
+private:
+    // I/O
+    SPI lcdPort;            // does SPI MOSI, MISO and SCK
+    DigitalOut ceWire;      // does SPI CE
+    DigitalOut dcWire;      // does 3310 DAT_CMD
+    DigitalOut rstWire;     // does 3310 LCD_RST
+    DigitalOut blWire;      // does 3310 BL_ON (backlight)    
+};
+
+#endif
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/N3310LCDDefs.h	Mon Dec 07 17:24:52 2009 +0000
@@ -0,0 +1,33 @@
+/*
+* N3310LCD. A program to interface mbed with the nuelectronics
+* Nokia 3310 LCD shield from www.nuelectronics.com. Ported from
+* the nuelectronics Arduino code.
+*
+* Copyright (C) <2009> Petras Saduikis <petras@petras.co.uk>
+*
+* This file is part of N3310LCD.
+*
+* N3310LCD 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.
+* 
+* N3310LCD 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.
+*
+* You should have received a copy of the GNU General Public License
+* along with N3310LCD.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef SNATCH59_N3310LCDDEFS_H
+#define SNATCH59_N3310LCDDEFS_H
+
+enum eDisplayMode {NORMAL, HIGHLIGHT};
+enum eRequestType {CMD, DATA};
+enum eBacklight {OFF, ON};
+
+typedef unsigned char BYTE;
+
+#endif
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/N3310SPIConfig.h	Mon Dec 07 17:24:52 2009 +0000
@@ -0,0 +1,79 @@
+/*
+* N3310LCD. A program to interface mbed with the nuelectronics
+* Nokia 3310 LCD shield from www.nuelectronics.com. Ported from
+* the nuelectronics Arduino code.
+*
+* Copyright (C) <2009> Petras Saduikis <petras@petras.co.uk>
+*
+* This file is part of N3310LCD.
+*
+* N3310LCD 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.
+* 
+* N3310LCD 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.
+*
+* You should have received a copy of the GNU General Public License
+* along with N3310LCD.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef SNATCH59_N3310SPICONFIG_H
+#define SNATCH59_N3310SPICONFIG_H
+
+#include <mbed.h>
+
+class N3310SPIPort
+{
+public:
+    static const PinName MOSI;       // Master Out Slave In
+    static const PinName MISO;       // Master In Slave Out
+    static const PinName SCK;        // SPI clock
+    static const PinName CE;         // Chip Enable (aka Chip Select)
+    static const PinName LCD_RST;    // LCD reset
+    static const PinName DAT_CMD;    // indicates if the SPI write is command or date
+    static const PinName BL_ON;      // Back Light On
+    
+    static const PinName AD0;   // analog in for joystick
+};
+
+// NOTE pins have been chosen not to conflict with any I2C usage. 
+// MOSI = p5, MISO = p6, SCK = p7 is also an option
+const PinName N3310SPIPort::MOSI = p11;
+const PinName N3310SPIPort::MISO = p12;   // not used for 3310
+const PinName N3310SPIPort::SCK = p13;
+
+const PinName N3310SPIPort::CE = p21;
+const PinName N3310SPIPort::LCD_RST = p22;
+const PinName N3310SPIPort::DAT_CMD = p23;
+const PinName N3310SPIPort::BL_ON = p24;
+
+const PinName N3310SPIPort::AD0 = p20;    // joystick analog
+
+/************************************************
+*
+* Nokia 3310 LCD Shield Pins
+* NOTE: the LCD shield must be powered from a 3.3V supply in order
+* for the joystick to be read correctly by the mbed analog in
+* (which operates on a range of 0 - 3.3V).
+*
+* Connector J3:
+* p13: SCK
+* p12: MISO (not used)
+* p11: MOSI
+* p10: CE
+* p9: LCD_RST
+* p8: DAT_CMD
+* 
+* Connector J1:
+* p7: BL_ON
+*
+* Connector J2:
+* p1 : AD0
+*
+**************************************************/
+
+#endif
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Dec 07 17:24:52 2009 +0000
@@ -0,0 +1,198 @@
+/*
+* N3310LCD. A program to interface mbed with the nuelectronics
+* Nokia 3310 LCD shield from www.nuelectronics.com. Ported from
+* the nuelectronics Arduino code.
+*
+* Copyright (C) <2009> Petras Saduikis <petras@petras.co.uk>
+*
+* This file is part of N3310LCD.
+*
+* N3310LCD 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.
+* 
+* N3310LCD 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.
+*
+* You should have received a copy of the GNU General Public License
+* along with N3310LCD.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "N3310SPIConfig.h"
+#include "N3310LCD.h"
+#include "Joystick.h"
+#include "mbed_bmp.h"
+
+// demo for nuelectronics Nokia 3310 LCD shield (www.nuelectronics.com)
+// 
+
+// menu starting points
+#define MENU_X    10        // 0-83
+#define MENU_Y    1        // 0-5
+
+#define DEMO_ITEMS 4
+
+// menu definition
+char menu_items[DEMO_ITEMS][12] =
+{
+    "TEMPERATURE",
+    "CHAR MAP",
+    "BITMAP",
+    "ABOUT"    
+};
+
+void temperature(N3310LCD* lcd)
+{
+    lcd->writeStringBig(5, 1, "+21.12", NORMAL);
+    lcd->writeString(73, 2, "C", NORMAL);
+}
+
+void charmap(N3310LCD* lcd)
+{
+    for(int i = 0; i < 5; i++)
+    {
+        for(int j = 0; j < 14; j++)
+        {
+          lcd->locate(j*6, i);
+          lcd->writeChar(i*14 + j + 32, NORMAL);
+        }
+    }
+}
+
+void bitmap(N3310LCD* lcd)
+{
+    lcd->drawBitmap(20, 1, mbed_bmp, 48, 24);
+}
+
+void about(N3310LCD* lcd)
+{
+    lcd->writeString(0, 1, "Nokia 3310 LCD", NORMAL);
+    lcd->writeString(15, 2, "driven by", NORMAL);
+    lcd->writeString(30, 3, "mbed", NORMAL);
+}
+
+void (*menu_funcs[DEMO_ITEMS])(N3310LCD*) = 
+{
+    temperature,
+    charmap,
+    bitmap,
+    about
+};
+
+void initMenu(N3310LCD* lcd)
+{
+    lcd->writeString(MENU_X, MENU_Y, menu_items[0], HIGHLIGHT );
+    
+    for (int i = 1; i < DEMO_ITEMS; i++)
+    {
+        lcd->writeString(MENU_X, MENU_Y + i, menu_items[i], NORMAL);
+    }
+}
+
+void waitforOKKey(N3310LCD* lcd, Joystick* jstick)
+{
+    lcd->writeString(38, 5, "OK", HIGHLIGHT );
+
+    int key = 0xFF;
+    while (key != CENTER_KEY)
+    {
+        for (int i = 0; i < NUM_KEYS; i++)
+        {
+            if (jstick->getKeyState(i) !=0)
+            {
+                jstick->resetKeyState(i);  // reset
+                if (CENTER_KEY == i) key = CENTER_KEY;
+            }
+        }
+    }
+}
+
+void autoDemo(N3310LCD* lcd)
+{
+    while (true)
+    {
+        for (int i = 0; i < DEMO_ITEMS; i++)
+        {
+            lcd->cls();
+            lcd->backlight(ON);
+            wait(1);
+                
+            (*menu_funcs[i])(lcd);
+        
+            wait(3);
+        
+            lcd->backlight(OFF);
+            wait(3);
+        }
+    }
+}
+
+int main() 
+{
+    Joystick jstick(N3310SPIPort::AD0);
+    N3310LCD lcd(N3310SPIPort::MOSI, N3310SPIPort::MISO, N3310SPIPort::SCK,
+                 N3310SPIPort::CE, N3310SPIPort::DAT_CMD, N3310SPIPort::LCD_RST,
+                 N3310SPIPort::BL_ON);
+    lcd.init();
+    lcd.cls();
+    lcd.backlight(ON);
+    
+    // demo stuff
+    // autoDemo(&lcd);
+    
+    initMenu(&lcd);
+    int currentMenuItem = 0;
+    Ticker jstickPoll;
+    jstickPoll.attach(&jstick, &Joystick::updateADCKey, 0.01);    // check ever 10ms
+    
+    
+    while (true)
+    {
+    for (int i = 0; i < NUM_KEYS; i++)
+    {
+        if (jstick.getKeyState(i) != 0)
+        {    
+            jstick.resetKeyState(i);  // reset button flag
+            switch(i)
+            {
+                case UP_KEY:
+                    // current item to normal display
+                    lcd.writeString(MENU_X, MENU_Y + currentMenuItem, menu_items[currentMenuItem], NORMAL);
+                    currentMenuItem -=1;
+                    if (currentMenuItem <0)  currentMenuItem = DEMO_ITEMS -1;
+                    // next item to highlight display
+                    lcd.writeString(MENU_X, MENU_Y + currentMenuItem, menu_items[currentMenuItem], HIGHLIGHT);
+                    break;
+                    
+                case DOWN_KEY:
+                    // current item to normal display
+                    lcd.writeString(MENU_X, MENU_Y + currentMenuItem, menu_items[currentMenuItem], NORMAL);
+                    currentMenuItem +=1;
+                    if(currentMenuItem >(DEMO_ITEMS - 1))  currentMenuItem = 0;
+                    // next item to highlight display
+                    lcd.writeString(MENU_X, MENU_Y + currentMenuItem, menu_items[currentMenuItem], HIGHLIGHT);
+                    break;
+                    
+                case LEFT_KEY:
+                    initMenu(&lcd);
+                    currentMenuItem = 0;
+                    break;
+                    
+                case RIGHT_KEY:
+                    lcd.cls();
+                    (*menu_funcs[currentMenuItem])(&lcd);
+                    waitforOKKey(&lcd, &jstick);
+                    lcd.cls();
+                    initMenu(&lcd);
+                    currentMenuItem = 0;
+                    break;    
+            }        
+        }
+    }
+    }    
+         
+    return EXIT_SUCCESS;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Mon Dec 07 17:24:52 2009 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/49a220cc26e0

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed_bmp.h	Mon Dec 07 17:24:52 2009 +0000
@@ -0,0 +1,49 @@
+/*
+* N3310LCD. A program to interface mbed with the nuelectronics
+* Nokia 3310 LCD shield from www.nuelectronics.com. Ported from
+* the nuelectronics Arduino code.
+*
+* Copyright (C) <2009> Petras Saduikis <petras@petras.co.uk>
+*
+* This file is part of N3310LCD.
+*
+* N3310LCD 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.
+* 
+* N3310LCD 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.
+*
+* You should have received a copy of the GNU General Public License
+* along with N3310LCD.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*------------------------------------------------------------------------------
+; mbed bitmap - size 48x24 pixels, black/white image
+------------------------------------------------------------------------------*/ 
+
+unsigned char mbed_bmp[]=
+{
+
+0x00,0x80,0x80,0x80,0x00,0x80,0x80,0x80,
+0x00,0x00,0x80,0x80,0x80,0x00,0x00,0x00,
+0xF8,0xF8,0xF8,0x00,0x80,0x80,0x80,0x00,
+0x00,0x00,0x00,0x00,0x00,0x80,0x80,0x80,
+0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x80,
+0x80,0x80,0x00,0xF8,0xF8,0xF8,0x00,0x00,
+0x00,0xFF,0xFF,0xFF,0x01,0x01,0xFF,0xFF,
+0xFF,0x01,0x01,0xFF,0xFF,0xFF,0x00,0x00,
+0xFF,0xFF,0xFF,0x83,0x01,0x83,0xFF,0xFF,
+0xFE,0x00,0x00,0x7C,0xFF,0xFF,0x19,0x19,
+0xDF,0xDF,0xDC,0x00,0x00,0xFE,0xFF,0xFF,
+0x83,0x01,0x83,0xFF,0xFF,0xFF,0x00,0x00,
+0x00,0x03,0x03,0x03,0x00,0x00,0x03,0x03,
+0x03,0x00,0x00,0x03,0x03,0x03,0x00,0x00,
+0x03,0x03,0x03,0x01,0x03,0x03,0x03,0x01,
+0x00,0x00,0x00,0x00,0x01,0x03,0x03,0x03,
+0x03,0x01,0x00,0x00,0x00,0x00,0x01,0x03,
+0x03,0x03,0x01,0x03,0x03,0x03,0x00,0x00
+};
\ No newline at end of file