Revision 0:dc689f01feb2, committed 2013-03-09

Comitter:

vin_jm

Date:

Sat Mar 09 00:51:21 2013 +0000

Commit message:

Rev.1

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/IR_Def.h	Sat Mar 09 00:51:21 2013 +0000
@@ -0,0 +1,22 @@
+/*Vinod Modhe*/
+/* 4180 Lab3 */
+
+#ifndef IR_DEF_H
+#define IR_DEF_H
+
+//IR Timing
+//UL => Upper Tolerance Limit; LL => Lower Tolerance Limit
+#define IR_9000us_UL        (9500)
+#define IR_9000us_LL        (8500)
+#define IR_4500us_UL      (5000)
+#define IR_4500us_LL      (4000)
+#define IR_2250us_UL      (2500) 
+#define IR_2250us_LL      (2000)
+#define IR_1_UL_us        (2500)
+#define IR_1_LL_us        (2000)
+#define IR_0_UL_us        (1500)
+#define IR_0_LL_us        (1000)   
+#define IR_rep_timeout_ms   (135)    //In NEC protocol, a 110ms interval exists between any two commands and/or repeat pulses. 
+                                   //If any repeat pulse is received later than 135msec after the last command or repeat pulse, it is to be ignored, as it will be erroneous. 
+                                                            
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/NokiaLCD.cpp	Sat Mar 09 00:51:21 2013 +0000
@@ -0,0 +1,455 @@
+/* mbed Nokia LCD Library
+ * Copyright (c) 2007-2010, sford
+ */
+
+#include "NokiaLCD.h"
+
+#include "mbed.h"
+
+#define NOKIALCD_ROWS 16
+#define NOKIALCD_COLS 16
+#define NOKIALCD_WIDTH 130
+#define NOKIALCD_HEIGHT 132
+#define NOKIALCD_FREQUENCY 5000000
+
+NokiaLCD::NokiaLCD(PinName mosi, PinName sclk, PinName cs, PinName rst, LCDType type)
+        : _spi(mosi, NC, sclk)
+        , _rst(rst)
+        , _cs(cs) {
+
+    _type = type;
+
+    _row = 0;
+    _column = 0;
+    _foreground = 0x00FFFFFF;
+    _background = 0x00000000;
+
+    reset();
+}
+
+void NokiaLCD::reset() {
+
+    // setup the SPI interface and bring display out of reset
+    _cs = 1;
+    _rst = 0;
+    _spi.format(9);
+    _spi.frequency(NOKIALCD_FREQUENCY);
+    wait_ms(1);
+    _rst = 1;
+    wait_ms(1);
+
+    _cs = 0;
+
+    switch (_type) {
+        case LCD6100:
+            command(0xCA); // display control
+            data(0);
+            data(32);
+            data(0);
+            command(0xBB);
+            data(1);
+            command(0xD1); // oscillator on
+            command(0x94); // sleep out
+            command(0x20); // power control
+            data(0x0F);
+            command(0xA7); // invert display
+            command(0x81); // Voltage control
+            data(39);      // contrast setting: 0..63
+            data(3);       // resistance ratio
+            wait_ms(1);
+            command(0xBC);
+            data(0);
+            data(1);
+            data(4);
+            command(0xAF);  // turn on the display
+            break;
+            
+        case LCD6610:
+            command(0xCA);    // display control
+            data(0);
+            data(31);
+            data(0);
+            command(0xBB);
+            data(1);
+            command(0xD1); // oscillator on
+            command(0x94); // sleep out
+            command(0x20); // power control
+            data(0x0F);
+            command(0xA7); // invert display
+            command(0x81); // Voltage control
+            data(39);      // contrast setting: 0..63
+            data(3);       // resistance ratio
+            wait_ms(1);
+            command(0xBC);
+            data(0);
+            data(0);
+            data(2);
+            command(0xAF);  // turn on the display
+            break;
+            
+        case PCF8833:
+            command(0x11);  // sleep out
+            command(0x3A);  // column mode
+            data(0x05);
+            command(0x36);  // madctl
+            data(0x60);     // vertical RAM, flip x
+            command(0x25);  // setcon
+            data(0x30);// contrast 0x30
+            wait_ms(2);
+            command(0x29);//DISPON
+            command(0x03);//BSTRON
+            break;
+    }
+
+    _cs = 1;
+
+    cls();
+}
+
+void NokiaLCD::command(int value) {
+    _spi.write(value & 0xFF);
+}
+
+void NokiaLCD::data(int value) {
+    _spi.write(value | 0x100);
+}
+
+void NokiaLCD::_window(int x, int y, int width, int height) {
+    int x1 = x + 0;
+    int y1 = y + 0;
+    int x2 = x1 + width - 1;
+    int y2 = y1 + height - 1;
+
+    switch (_type) {
+        case LCD6610:
+        case LCD6100:
+            command(0x15); // column
+            data(x1);
+            data(x2);
+            command(0x75); // row
+            data(y1);
+            data(y2);
+            command(0x5C); // start write to ram
+            break;
+        case PCF8833:
+            command(0x2A);  // column
+            data(x1);
+            data(x2);
+            command(0x2B); // row
+            data(y1);
+            data(y2);
+            command(0x2C); // start write to ram
+            break;
+    }
+}
+
+void NokiaLCD::_putp(int colour) {
+    int gr = ((colour >> 20) & 0x0F)
+             | ((colour >> 8 ) & 0xF0);
+    int nb = ((colour >> 4 ) & 0x0F);
+    data(nb);
+    data(gr);
+}
+
+const unsigned char FONT8x8[97][8] = {
+    0x08,0x08,0x08,0x00,0x00,0x00,0x00,0x00, // columns, rows, num_bytes_per_char
+    0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // space 0x20
+    0x30,0x78,0x78,0x30,0x30,0x00,0x30,0x00, // !
+    0x6C,0x6C,0x6C,0x00,0x00,0x00,0x00,0x00, // "
+    0x6C,0x6C,0xFE,0x6C,0xFE,0x6C,0x6C,0x00, // #
+    0x18,0x3E,0x60,0x3C,0x06,0x7C,0x18,0x00, // $
+    0x00,0x63,0x66,0x0C,0x18,0x33,0x63,0x00, // %
+    0x1C,0x36,0x1C,0x3B,0x6E,0x66,0x3B,0x00, // &
+    0x30,0x30,0x60,0x00,0x00,0x00,0x00,0x00, // '
+    0x0C,0x18,0x30,0x30,0x30,0x18,0x0C,0x00, // (
+    0x30,0x18,0x0C,0x0C,0x0C,0x18,0x30,0x00, // )
+    0x00,0x66,0x3C,0xFF,0x3C,0x66,0x00,0x00, // *
+    0x00,0x30,0x30,0xFC,0x30,0x30,0x00,0x00, // +
+    0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x30, // ,
+    0x00,0x00,0x00,0x7E,0x00,0x00,0x00,0x00, // -
+    0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00, // .
+    0x03,0x06,0x0C,0x18,0x30,0x60,0x40,0x00, // / (forward slash)
+    0x3E,0x63,0x63,0x6B,0x63,0x63,0x3E,0x00, // 0 0x30
+    0x18,0x38,0x58,0x18,0x18,0x18,0x7E,0x00, // 1
+    0x3C,0x66,0x06,0x1C,0x30,0x66,0x7E,0x00, // 2
+    0x3C,0x66,0x06,0x1C,0x06,0x66,0x3C,0x00, // 3
+    0x0E,0x1E,0x36,0x66,0x7F,0x06,0x0F,0x00, // 4
+    0x7E,0x60,0x7C,0x06,0x06,0x66,0x3C,0x00, // 5
+    0x1C,0x30,0x60,0x7C,0x66,0x66,0x3C,0x00, // 6
+    0x7E,0x66,0x06,0x0C,0x18,0x18,0x18,0x00, // 7
+    0x3C,0x66,0x66,0x3C,0x66,0x66,0x3C,0x00, // 8
+    0x3C,0x66,0x66,0x3E,0x06,0x0C,0x38,0x00, // 9
+    0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x00, // :
+    0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x30, // ;
+    0x0C,0x18,0x30,0x60,0x30,0x18,0x0C,0x00, // <
+    0x00,0x00,0x7E,0x00,0x00,0x7E,0x00,0x00, // =
+    0x30,0x18,0x0C,0x06,0x0C,0x18,0x30,0x00, // >
+    0x3C,0x66,0x06,0x0C,0x18,0x00,0x18,0x00, // ?
+    0x3E,0x63,0x6F,0x69,0x6F,0x60,0x3E,0x00, // @ 0x40
+    0x18,0x3C,0x66,0x66,0x7E,0x66,0x66,0x00, // A
+    0x7E,0x33,0x33,0x3E,0x33,0x33,0x7E,0x00, // B
+    0x1E,0x33,0x60,0x60,0x60,0x33,0x1E,0x00, // C
+    0x7C,0x36,0x33,0x33,0x33,0x36,0x7C,0x00, // D
+    0x7F,0x31,0x34,0x3C,0x34,0x31,0x7F,0x00, // E
+    0x7F,0x31,0x34,0x3C,0x34,0x30,0x78,0x00, // F
+    0x1E,0x33,0x60,0x60,0x67,0x33,0x1F,0x00, // G
+    0x66,0x66,0x66,0x7E,0x66,0x66,0x66,0x00, // H
+    0x3C,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // I
+    0x0F,0x06,0x06,0x06,0x66,0x66,0x3C,0x00, // J
+    0x73,0x33,0x36,0x3C,0x36,0x33,0x73,0x00, // K
+    0x78,0x30,0x30,0x30,0x31,0x33,0x7F,0x00, // L
+    0x63,0x77,0x7F,0x7F,0x6B,0x63,0x63,0x00, // M
+    0x63,0x73,0x7B,0x6F,0x67,0x63,0x63,0x00, // N
+    0x3E,0x63,0x63,0x63,0x63,0x63,0x3E,0x00, // O
+    0x7E,0x33,0x33,0x3E,0x30,0x30,0x78,0x00, // P 0x50
+    0x3C,0x66,0x66,0x66,0x6E,0x3C,0x0E,0x00, // Q
+    0x7E,0x33,0x33,0x3E,0x36,0x33,0x73,0x00, // R
+    0x3C,0x66,0x30,0x18,0x0C,0x66,0x3C,0x00, // S
+    0x7E,0x5A,0x18,0x18,0x18,0x18,0x3C,0x00, // T
+    0x66,0x66,0x66,0x66,0x66,0x66,0x7E,0x00, // U
+    0x66,0x66,0x66,0x66,0x66,0x3C,0x18,0x00, // V
+    0x63,0x63,0x63,0x6B,0x7F,0x77,0x63,0x00, // W
+    0x63,0x63,0x36,0x1C,0x1C,0x36,0x63,0x00, // X
+    0x66,0x66,0x66,0x3C,0x18,0x18,0x3C,0x00, // Y
+    0x7F,0x63,0x46,0x0C,0x19,0x33,0x7F,0x00, // Z
+    0x3C,0x30,0x30,0x30,0x30,0x30,0x3C,0x00, // [
+    0x60,0x30,0x18,0x0C,0x06,0x03,0x01,0x00, // \ (back slash)
+    0x3C,0x0C,0x0C,0x0C,0x0C,0x0C,0x3C,0x00, // ]
+    0x08,0x1C,0x36,0x63,0x00,0x00,0x00,0x00, // ^
+    0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF, // _
+    0x18,0x18,0x0C,0x00,0x00,0x00,0x00,0x00, // ` 0x60
+    0x00,0x00,0x3C,0x06,0x3E,0x66,0x3B,0x00, // a
+    0x70,0x30,0x3E,0x33,0x33,0x33,0x6E,0x00, // b
+    0x00,0x00,0x3C,0x66,0x60,0x66,0x3C,0x00, // c
+    0x0E,0x06,0x3E,0x66,0x66,0x66,0x3B,0x00, // d
+    0x00,0x00,0x3C,0x66,0x7E,0x60,0x3C,0x00, // e
+    0x1C,0x36,0x30,0x78,0x30,0x30,0x78,0x00, // f
+    0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x7C, // g
+    0x70,0x30,0x36,0x3B,0x33,0x33,0x73,0x00, // h
+    0x18,0x00,0x38,0x18,0x18,0x18,0x3C,0x00, // i
+    0x06,0x00,0x06,0x06,0x06,0x66,0x66,0x3C, // j
+    0x70,0x30,0x33,0x36,0x3C,0x36,0x73,0x00, // k
+    0x38,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // l
+    0x00,0x00,0x66,0x7F,0x7F,0x6B,0x63,0x00, // m
+    0x00,0x00,0x7C,0x66,0x66,0x66,0x66,0x00, // n
+    0x00,0x00,0x3C,0x66,0x66,0x66,0x3C,0x00, // o
+    0x00,0x00,0x6E,0x33,0x33,0x3E,0x30,0x78, // p
+    0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x0F, // q
+    0x00,0x00,0x6E,0x3B,0x33,0x30,0x78,0x00, // r
+    0x00,0x00,0x3E,0x60,0x3C,0x06,0x7C,0x00, // s
+    0x08,0x18,0x3E,0x18,0x18,0x1A,0x0C,0x00, // t
+    0x00,0x00,0x66,0x66,0x66,0x66,0x3B,0x00, // u
+    0x00,0x00,0x66,0x66,0x66,0x3C,0x18,0x00, // v
+    0x00,0x00,0x63,0x6B,0x7F,0x7F,0x36,0x00, // w
+    0x00,0x00,0x63,0x36,0x1C,0x36,0x63,0x00, // x
+    0x00,0x00,0x66,0x66,0x66,0x3E,0x06,0x7C, // y
+    0x00,0x00,0x7E,0x4C,0x18,0x32,0x7E,0x00, // z
+    0x0E,0x18,0x18,0x70,0x18,0x18,0x0E,0x00, // {
+    0x0C,0x0C,0x0C,0x00,0x0C,0x0C,0x0C,0x00, // |
+    0x70,0x18,0x18,0x0E,0x18,0x18,0x70,0x00, // }
+    0x3B,0x6E,0x00,0x00,0x00,0x00,0x00,0x00, // ~
+    0x1C,0x36,0x36,0x1C,0x00,0x00,0x00,0x00
+}; // DEL
+
+void NokiaLCD::locate(int column, int row) {
+    _column = column;
+    _row = row;
+}
+
+void NokiaLCD::newline() {
+    _column = 0;
+    _row++;
+    if (_row >= _rows) {
+        _row = 0;
+    }
+}
+
+int NokiaLCD::_putc(int value) {
+    int x = _column * 8;  // FIXME: Char sizes
+    int y = _row * 8;
+    bitblit(x + 1, y + 1, 8, 8, (char*)&(FONT8x8[value - 0x1F][0]));
+
+    _column++;
+
+    if (_column >= NOKIALCD_COLS) {
+        _row++;
+        _column = 0;
+    }
+
+    if (_row >= NOKIALCD_ROWS) {
+        _row = 0;
+    }
+
+    return value;
+}
+
+void NokiaLCD::cls() {
+    fill(0, 0, NOKIALCD_WIDTH, NOKIALCD_HEIGHT, _background);
+    _row = 0;
+    _column = 0;
+}
+
+
+void NokiaLCD::window(int x, int y, int width, int height) {
+    _cs = 0;
+    _window(x, y, width, height);
+    _cs = 1;
+}
+
+void NokiaLCD::putp(int colour) {
+    _cs = 0;
+    _putp(colour);
+    _cs = 1;
+}
+
+void NokiaLCD::pixel(int x, int y, int colour) {
+    _cs = 0;
+    _window(x, y, 1, 1);
+    switch (_type) {
+        case LCD6100:
+            int r4 = (colour >> (16 + 4)) & 0xF;
+            int g4 = (colour >> (8 + 4)) & 0xF;
+            int b4 = (colour >> (0 + 4)) & 0xF;
+            int d1 = (r4 << 4) | g4;
+            int d2 = (b4 << 4) | r4;
+            int d3 = (g4 << 4) | b4;
+            data(d1); 
+            data(d2);   
+            data(d3);
+            
+          break;
+        case PCF8833:
+            _putp(colour);
+            break;
+        case LCD6610:
+      }
+    _cs = 1;
+}
+
+void NokiaLCD::fill(int x, int y, int width, int height, int colour) {
+    _cs = 0;
+    _window(x, y, width, height);
+    switch (_type) {
+        case LCD6610:
+        case PCF8833:
+            for (int i=0; i<width*height; i++) {
+                _putp(colour);
+            }
+            break;
+        case LCD6100:
+            for (int i=0; i<width*height/2; i++) {
+                int r4 = (colour >> (16 + 4)) & 0xF;
+                int g4 = (colour >> (8 + 4)) & 0xF;
+                int b4 = (colour >> (0 + 4)) & 0xF;
+                int d1 = (r4 << 4) | g4;
+                int d2 = (b4 << 4) | r4;
+                int d3 = (g4 << 4) | b4;
+                data(d1); 
+                data(d2);   
+                data(d3);
+            }
+            break;
+    }
+    _window(0, 0, NOKIALCD_WIDTH, NOKIALCD_HEIGHT);
+    _cs = 1;
+}
+
+void NokiaLCD::blit(int x, int y, int width, int height, const int* colour) {
+    _cs = 0;
+    _window(x, y, width, height);
+
+    switch (_type) {
+        case LCD6610:
+        case PCF8833:
+            for (int i=0; i<width*height; i++) {
+                 _putp(colour[i]);
+             }
+             break;
+        case LCD6100:
+            for (int i=0; i<width*height/2; i++) {
+                int r41 = (colour[i*2] >> (16 + 4)) & 0xF;
+                int g41 = (colour[i*2] >> (8 + 4)) & 0xF;
+                int b41 = (colour[i*2] >> (0 + 4)) & 0xF;
+           
+                int r42 = (colour[i*2+1] >> (16 + 4)) & 0xF;
+                int g42 = (colour[i*2+1] >> (8 + 4)) & 0xF;
+                int b42 = (colour[i*2+1] >> (0 + 4)) & 0xF;   
+                int d1 = (r41 << 4) | g41;
+                int d2 = (b41 << 4) | r42;
+                int d3 = (g42 << 4) | b42;               
+                   data(d1); 
+                data(d2); 
+                data(d3); 
+            }
+            break;
+     }            
+    _window(0, 0, NOKIALCD_WIDTH, NOKIALCD_HEIGHT);
+    _cs = 1;
+}
+
+void NokiaLCD::bitblit(int x, int y, int width, int height, const char* bitstream) {
+    _cs = 0;
+    _window(x, y, width, height);
+
+    switch (_type) {
+        case LCD6610:
+        case PCF8833:
+            for (int i=0; i<height*width; i++) {
+                int byte = i / 8;
+                int bit = i % 8;
+                int colour = ((bitstream[byte] << bit) & 0x80) ? _foreground : _background;
+                _putp(colour);
+            }
+            break;
+        case LCD6100:
+            for(int i=0; i<height*width/2; i++) {
+                int byte1 = (i*2) / 8;
+                int bit1 = (i*2) % 8;   
+                int colour1 = ((bitstream[byte1] << bit1) & 0x80) ? _foreground : _background;
+                int byte2 = (i*2+1) / 8;
+                int bit2 = (i*2+1) % 8;   
+                int colour2 = ((bitstream[byte2] << bit2) & 0x80) ? _foreground : _background;
+    
+                int r41 = (colour1 >> (16 + 4)) & 0xF;
+                int g41 = (colour1 >> (8 + 4)) & 0xF;
+                int b41 = (colour1 >> (0 + 4)) & 0xF;
+           
+                int r42 = (colour2 >> (16 + 4)) & 0xF;
+                int g42 = (colour2 >> (8 + 4)) & 0xF;
+                int b42 = (colour2 >> (0 + 4)) & 0xF;   
+                int d1 = (r41 << 4) | g41;
+                int d2 = (b41 << 4) | r42;
+                int d3 = (g42 << 4) | b42;               
+                   data(d1); 
+                data(d2); 
+                data(d3); 
+            }
+            break;
+     }
+    _window(0, 0, _width, _height);
+    _cs = 1;
+}
+
+void NokiaLCD::foreground(int c) {
+    _foreground = c;
+}
+
+void NokiaLCD::background(int c) {
+    _background = c;
+}
+
+int NokiaLCD::width() {
+    return NOKIALCD_WIDTH;
+}
+
+int NokiaLCD::height() {
+    return NOKIALCD_HEIGHT;
+}
+
+int NokiaLCD::columns() {
+    return NOKIALCD_COLS;
+}
+
+int NokiaLCD::rows() {
+    return NOKIALCD_ROWS;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/NokiaLCD.h	Sat Mar 09 00:51:21 2013 +0000
@@ -0,0 +1,149 @@
+/* mbed NokiaLCD Library, for a 130x130 Nokia colour LCD
+ * Copyright (c) 2007-2010, sford
+ *
+ * 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 MBED_NOKIALCD_H
+#define MBED_NOKIALCD_H
+
+#include "mbed.h"
+
+/** An interface for the 130x130 Nokia Mobile phone screens
+ *
+ * @code
+ * #include "mbed.h"
+ * #include "NokiaLCD.h"
+ *
+ * NokiaLCD lcd(p5, p7, p8, p9, NokiaLCD::6610); // mosi, sclk, cs, rst, type
+ *
+ * int main() {
+ *     lcd.printf("Hello World!");
+ * }
+ * @endcode
+ */
+class NokiaLCD : public Stream {
+
+public:
+    /** LCD panel format */
+    enum LCDType {
+        LCD6100     /**< Nokia 6100, as found on sparkfun board (default) */
+        , LCD6610   /**< Nokia 6610, as found on olimex board */
+        , PCF8833
+    };
+
+    /** Create and Nokia LCD interface, using a SPI and two DigitalOut interfaces
+     *
+     * @param mosi SPI data out
+     * @param sclk SPI clock
+     * @param cs Chip Select (DigitalOut)
+     * @param rst Reset (DigitalOut)
+     * @param type The LCDType to select driver chip variants
+     */
+    NokiaLCD(PinName mosi, PinName sclk, PinName cs, PinName rst, LCDType type = LCD6100);
+
+#if DOXYGEN_ONLY
+    /** Write a character to the LCD
+     *
+     * @param c The character to write to the display
+     */
+    int putc(int c);
+
+    /** Write a formated string to the LCD
+     *
+     * @param format A printf-style format string, followed by the
+     *               variables to use in formating the string.
+     */
+    int printf(const char* format, ...);
+#endif
+
+    /** Locate to a screen column and row
+     *
+     * @param column  The horizontal position from the left, indexed from 0
+     * @param row     The vertical position from the top, indexed from 0
+     */
+    void locate(int column, int row);
+
+    /** Clear the screen and locate to 0,0 */
+    void cls();
+
+    /** Set a pixel on te screen
+     * 
+     * @param x horizontal position from left
+     * @param y vertical position from top
+     * @param colour 24-bit colour in format 0x00RRGGBB
+     */
+    void pixel(int x, int y, int colour);
+    
+    /** Fill an area of the screen
+     * 
+     * @param x horizontal position from left
+     * @param y vertical position from top
+     * @param width width in pixels
+     * @param height height in pixels
+     * @param colour 24-bit colour in format 0x00RRGGBB
+     */    
+    void fill(int x, int y, int width, int height, int colour);
+
+    void blit(int x, int y, int width, int height, const int* colour);
+    void bitblit(int x, int y, int width, int height, const char* bitstream);
+
+    int width();
+    int height();
+    int columns();
+    int rows();
+
+    void reset();
+
+    /** Set the foreground colour
+     * 
+     * @param c 24-bit colour
+     */
+    void foreground(int c);
+
+    /** Set the background colour
+     * 
+     * @param c 24-bit colour
+     */
+    void background(int c);
+
+protected:
+    virtual void _window(int x, int y, int width, int height);
+    virtual void _putp(int colour);
+
+    void command(int value);
+    void data(int value);
+
+    void newline();
+    virtual int _putc(int c);
+    virtual int _getc() {
+        return 0;
+    }
+    void putp(int v);
+    void window(int x, int y, int width, int height);
+
+    SPI _spi;
+    DigitalOut _rst;
+    DigitalOut _cs;
+
+    LCDType _type;
+    int _row, _column, _rows, _columns, _foreground, _background, _width, _height;
+};
+
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Mar 09 00:51:21 2013 +0000
@@ -0,0 +1,398 @@
+/*Vinod Modhe*/
+/* 4180 Lab3 */
+
+#include "mbed.h"
+#include "IR_Def.h"
+#include "NokiaLCD.h"
+
+Ticker  system_clock;                                               //This will be used to increment a counter every msec inside it's ISR
+Timer T;                                                            //Timer used for measuring time interval between successive edges of IR input signal
+InterruptIn IR(p30);                                                //Pin to which IR receiver is connected
+void IR_ISR();                                                      //ISR for decoding the IR signal
+void dummy_ISR();                                                   //Required so that 'IR_ISR' is not called on both rising and falling edges of IR signal at the same time
+void sys_tick();                                                    //ISR for 1 msec. system clock
+void RGB_LED(int red, int green, int blue);                         //For writing to ShiftBrite
+LocalFileSystem local("local");                                     // Create the local filesystem under the name "local"
+
+//On board LEDs
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DigitalOut led4(LED4);
+
+//Pin for entering config mode
+DigitalIn config_pin(p21);
+
+//Power Switch Tail
+DigitalOut switch_tail(p20);
+
+//ShiftBrite
+DigitalOut latch(p15);
+DigitalOut enable(p16);
+SPI spi(p11, p12, p13);
+
+//Nokia LCD
+NokiaLCD lcd(p5, p7, p8, p9, NokiaLCD::LCD6100); // mosi, sclk, cs, rst, type
+
+//Global IR variables
+uint8_t state = 0;                       //State variable for IR state machine
+uint8_t Rx_count = 0;                                //Counter to count no. of bits received
+uint32_t Rx_buf = 0;                 //To store recevied IR data
+char Rx_flag = 0;                    //Flag which indicates that a valid IR command was received
+uint32_t Rx_rep_count = 0;           //To keep track of how many repeat pulses are received
+uint32_t Rx_rep_timeout_count = 0;   //Timer which clears the previously received IR command, once it reaches the set limit
+uint32_t T_buf = 0;                  //Buffer to hold value of timer T
+char Rx_ignore_rep_flag = 0;         //0 => Do not ignore repeat pulses
+
+typedef struct IR_Key_Codes {
+    uint32_t red_p,red_m;                   //Key codes for Red+ and Red-
+    uint32_t green_p,green_m;               //Key codes for Green+ and Green-
+    uint32_t blue_p,blue_m;                 //Key codes for Blue+ and Blue-
+    uint32_t switch_tail;                   //Key code for power switch tail
+} IR_t;
+
+int main()
+{
+    switch_tail = 0;                                //Turn OFF the power switch tail
+
+    led1 = led2 = led3 = led4 = 1;                  //Turn ON all LEDs to indicate initialization
+
+    //Nokia LCD Init
+    lcd.background(0x000000);                       //Set background to white
+    lcd.cls();                                      //Clear Screen
+    lcd.locate(0,1);                                //Go to line 1
+    lcd.printf(" R   G   B  FAN");                  //Display this text
+    lcd.locate(0,2);                                //Go to line 2
+    lcd.printf(" 0   0   0  OFF");                  //Display this text
+    lcd.locate(0,15);                               //Go to line 15
+    lcd.printf("100 100 100");                      //Display this text
+
+    config_pin.mode(PullUp);                            //Enable internal pullup
+
+    wait(0.5);
+
+    if(config_pin == 0) {                               //If config pin is pulled low, enter config mode, in which key codes are to be saved in the "IRCodes.txt" file
+        led1 = led4 = 0;
+        led2 = led3 = 1;
+        wait(0.5);
+        Rx_ignore_rep_flag = 1;                   //Ignore repeat pulses while in config mode
+
+        IR_t temp;                                      //Temporary variable to hold the received key codes
+
+        //IR Init
+        IR.mode(PullNone);                              //Disable internal pullup
+        system_clock.attach_us(&sys_tick, 1000);        //This will call the function 'sys_tick' every 1 msec.
+        IR.fall(&IR_ISR);                               //Set IR interrupt to occur on falling edge
+        IR.rise(&dummy_ISR);
+
+        //Store the received IR codes into temp, while ignoring repeat pulses
+        led1 = led2 = led3 = 0;
+        led4 = 1;
+        while(Rx_flag == 0);                                             //Wait for a valid command
+        temp.red_p = Rx_buf;                                              //Copy it into the temp variable
+        Rx_flag = 0;                                                     //Reset the flag
+
+        led1 = led2 = led4 = 0;
+        led3 = 1;
+        while(Rx_flag == 0);
+        temp.red_m = Rx_buf;
+        Rx_flag = 0;
+
+        led1 = led2 = 0;
+        led3 = led4 = 1;
+        while(Rx_flag == 0);
+        temp.green_p = Rx_buf;
+        Rx_flag = 0;
+
+        led1 = led3 = led4 = 0;
+        led2 = 1;
+        while(Rx_flag == 0);
+        temp.green_m = Rx_buf;
+        Rx_flag = 0;
+
+        led1 = led3 = 0;
+        led2 = led4 = 1;
+        while(Rx_flag == 0);
+        temp.blue_p = Rx_buf;
+        Rx_flag = 0;
+
+        led1 = led4 = 0;
+        led2 = led3 = 1;
+        while(Rx_flag == 0);
+        temp.blue_m = Rx_buf;
+        Rx_flag = 0;
+
+        led1 = 0;
+        led2 = led3 = led4 = 1;
+        while(Rx_flag == 0);
+        temp.switch_tail = Rx_buf;
+        Rx_flag = 0;
+
+        FILE *fp = fopen("/local/IRCodes.txt", "w");  // Open "IRCodes.txt" on the local file system for writing
+
+        if(fp != NULL) {                                                            //File was opened successfully
+            //Write the key codes into the file one by one in the correct order
+            fprintf(fp, "%x ", temp.red_p);
+            fprintf(fp, "%x ", temp.red_m);
+            fprintf(fp, "%x ", temp.green_p);
+            fprintf(fp, "%x ", temp.green_m);
+            fprintf(fp, "%x ", temp.blue_p);
+            fprintf(fp, "%x ", temp.blue_m);
+            fprintf(fp, "%x ", temp.switch_tail);
+
+            fclose(fp);
+
+            led1 = led2 = led3 = led4 = 1;
+        } else {                                                                                //File could not be opened
+            led1 = 1;
+            led2 = 0;
+            led3 = 1;
+            led4 = 0;
+
+            while(1) {                                                                      //Stop executing further code and display error lights
+                led1 = !led1;
+                led2 = !led2;
+                led3 = !led3;
+                led4 = !led4;
+
+                wait(0.5);
+            }
+        }
+        Rx_ignore_rep_flag = 0;                         //Disable this flag to not ignore repeat pulses while in normal mode
+    }
+
+    IR_t key_code;                                                                  //Struct variable holding all key codes
+
+    //File System Init
+    FILE *fp = fopen("/local/IRCodes.txt", "r");    // Open "IRCodes.txt" on the local file system for reading
+
+    if(fp != NULL) {                                                                //File was opened successfully
+        fscanf(fp, "%8x", &(key_code.red_p));                   //Read the key codes from the file into the respective struct members
+        fscanf(fp, "%8x", &(key_code.red_m));
+        fscanf(fp, "%8x", &(key_code.green_p));
+        fscanf(fp, "%8x", &(key_code.green_m));
+        fscanf(fp, "%8x", &(key_code.blue_p));
+        fscanf(fp, "%8x", &(key_code.blue_m));
+        fscanf(fp, "%8x", &(key_code.switch_tail));
+        fclose(fp);
+    } else {                                                                                //File could not be opened
+        led1 = 1;
+        led2 = 0;
+        led3 = 1;
+        led4 = 0;
+
+        while(1) {                                                                      //Stop executing further code and display error lights
+            led1 = !led1;
+            led2 = !led2;
+            led3 = !led3;
+            led4 = !led4;
+
+            wait(0.5);
+        }
+    }
+
+    //Shiftbrite Init
+    int red=0;
+    int green=0;
+    int blue=0;
+    spi.format(16,0);
+    spi.frequency(500000);
+    enable=0;
+    latch=0;
+    wait(2);
+
+    RGB_LED( red, green, blue);
+    wait(.1);
+
+    //IR Init
+    IR.mode(PullNone);                        //Disable internal pullup
+    system_clock.attach_us(&sys_tick, 1000);  //This will call the function 'sys_tick' every 1 msec.
+    IR.fall(&IR_ISR);                         //Set IR interrupt to occur on falling edge
+    IR.rise(&dummy_ISR);
+
+    led1 = led2 = led3 = led4 = 0;            //Turn OFF all LEDs to indicate initialization is done
+
+    while(1) {
+        if(Rx_flag == 1) {
+            Rx_flag = 0;
+
+            if(Rx_buf == key_code.red_p) {
+                if((red += 10) > 100) {
+                    red = 100;
+                }
+
+                //Display the scaled rectangle
+                lcd.fill(5,  28, 20, 90, 0x000000);                 //Erase original rectangle
+                lcd.fill(5,  28, 20, (red/10 * 9), 0x0000FF);       //Draw red rectangle
+            } else if(Rx_buf == key_code.red_m) {
+                if((red -= 10) < 0) {
+                    red = 0;
+                }
+
+                //Display the scaled rectangle
+                lcd.fill(5,  28, 20, 90, 0x000000);                 //Erase original rectangle
+                lcd.fill(5,  28, 20, (red/10 *9), 0x0000FF);        //Draw red rectangle
+            } else if(Rx_buf == key_code.green_p) {
+                if((green += 10) > 100) {
+                    green = 100;
+                }
+
+                //Display the scaled rectangle
+                lcd.fill(36,  28, 20, 90, 0x000000);                 //Erase original rectangle
+                lcd.fill(36,  28, 20, (green/10 * 9), 0x00FF00);     //Draw green rectangle
+            } else if(Rx_buf == key_code.green_m) {
+                if((green -= 10) < 0) {
+                    green = 0;
+                }
+
+                //Display the scaled rectangle
+                lcd.fill(36,  28, 20, 90, 0x000000);                 //Erase original rectangle
+                lcd.fill(36,  28, 20, (green/10 * 9), 0x00FF00);     //Draw green rectangle
+            } else if(Rx_buf == key_code.blue_p) {
+                if((blue += 10) > 100) {
+                    blue = 100;
+                }
+
+                //Display the scaled rectangle
+                lcd.fill(67,  28, 20, 90, 0x000000);                 //Erase original rectangle
+                lcd.fill(67,  28, 20, (blue/10 * 9), 0xFF0000);      //Draw blue rectangle
+            } else if(Rx_buf == key_code.blue_m) {
+                if((blue -= 10) < 0) {
+                    blue = 0;
+                }
+
+                //Display the scaled rectangle
+                lcd.fill(67,  28, 20, 90, 0x000000);                 //Erase original rectangle
+                lcd.fill(67,  28, 20, (blue/10* 9), 0xFF0000);          //Draw blue rectangle
+            } else if((Rx_buf == key_code.switch_tail) && (Rx_rep_count == 0)) { //Do not consider repeat pulses for switch tail to avoid rapid switching
+                switch_tail = !switch_tail;
+
+                if(switch_tail == 0) {                              //Fan OFF
+                    lcd.locate(0,2);                                //Go to line 2
+                    lcd.printf(" 0   0   0  OFF");                  //Display this text
+                } else if(switch_tail == 1) {                       //Fan ON
+                    lcd.locate(0,2);                                //Go to line 2
+                    lcd.printf(" 0   0   0  ON ");                  //Display this text
+                }
+
+            }
+
+            RGB_LED( red, green, blue);                       //Write to ShiftBrite after receiving a valid command
+            wait(.1);
+        }
+
+        wait_us(100);                                                     //Wait for 0.1ms
+    }
+}
+
+void RGB_LED(int red, int green, int blue)
+{
+    unsigned int low_color=0;
+    unsigned int high_color=0;
+    high_color=(blue<<4)|((red&0x3C0)>>6);
+    low_color=(((red&0x3F)<<10)|(green));
+    spi.write(high_color);
+    spi.write(low_color);
+    latch=1;
+    latch=0;
+}
+
+void sys_tick()
+{
+    if(Rx_rep_timeout_count < 0xFFFF) { //Do not increment counter beyond 0xFFFF to prevent roll-over
+        ++Rx_rep_timeout_count;       //Increment this counter every 1msec.
+    }
+}
+
+void IR_ISR()
+{
+    if(state == 0) {
+        T.stop();               //Stop timer
+        T.reset();              //Reset timer
+        T.start();              //Start timer
+        IR.rise(&IR_ISR);       //Set IR interrupt to occur on rising edge
+        IR.fall(&dummy_ISR);
+        state = 1;              //Go to next state
+        Rx_count = 0;           //Clear the received bits counter
+    } else if(state == 1) {
+        T.stop();                          //Stop timer
+        T_buf = (uint32_t)T.read_us();     //Read timer
+        T.reset();                         //Reset timer
+        T.start();                         //Start timer
+        IR.fall(&IR_ISR);                  //Set IR interrupt to occur on falling edge
+        IR.rise(&dummy_ISR);
+
+        if(T_buf <= IR_9000us_UL && T_buf >= IR_9000us_LL) { //Check for preamble start pulse(9ms)
+            state = 2;  //Go to next state
+        } else {
+            state = 0; //Reset the state machine
+        }
+    } else if(state == 2) {
+        T.stop();                          //Stop timer
+        T_buf = (uint32_t)T.read_us();     //Read the value in timer
+        T.reset();                         //Reset timer
+        T.start();                         //Start timer
+        IR.fall(&IR_ISR);                  //Set IR interrupt to occur on falling edge
+        IR.rise(&dummy_ISR);
+
+        if(T_buf <= IR_4500us_UL && T_buf >= IR_4500us_LL) { //Check for preamble space(4.5ms)
+            state = 3;                  //Go to next state
+            Rx_rep_timeout_count = 0;   //Reset counter
+            Rx_rep_count = 0;           //Reset the repeat pulse counter
+        } else if(T_buf <= IR_2250us_UL && T_buf >= IR_2250us_LL) { //Check for repeat pulse(2.25ms)
+            state = 0;                      //Reset the state machine
+
+            if(Rx_rep_count < 0xFFFF) {
+                if(Rx_rep_timeout_count < IR_rep_timeout_ms) {  //Only increment the repeat pulse counter if the delay between two successive repeat pulses is less than 135msec.
+                    Rx_rep_timeout_count = 0;                   //Reset the counter everytime a valid repeat pulse is received
+                    ++Rx_rep_count;
+                } else {                                         //Invald repeat pulse received
+                    Rx_rep_count = 0;                            //Reset counter
+                    Rx_flag = 0;                                 //Clear the flag to indicate that an IR command was not received
+                    Rx_buf = 0;                                  //Clear the previously received command
+                }
+            }
+            goto ahead;                    //Repeat the previous command
+        } else { //Wrong pulse
+            Rx_rep_count = 0;     //Reset counter
+            state = 0;                       //Reset the state machine
+        }
+    } else if(state == 3) {
+        T.stop();                      //Stop timer
+        T_buf = T.read_us();          //Read the value in timer
+        T.reset();                     //Reset timer
+        T.start();                     //Start timer
+        IR.fall(&IR_ISR);              //Set IR interrupt to occur on falling edge
+        IR.rise(&dummy_ISR);
+
+        if(T_buf <= IR_1_UL_us && T_buf >= IR_1_LL_us) { //Check if bit is '1'(2.25ms)
+            ++Rx_count;              //Increment the bit counter
+            Rx_buf >>= 1;
+            Rx_buf |= 0x80000000;     //Shift in a '1' from the left side
+            state = 3;               //Remain in current state
+        } else if(T_buf <= IR_0_UL_us && T_buf >= IR_0_LL_us) { //Check if bit is '0'(1.12ms)
+            ++Rx_count;         //Increment the bit counter
+            Rx_buf >>= 1;        //Shift in a '0' from the left side
+            state = 3;          //Remain in current state
+        } else { //Invalid data received
+            Rx_count = 0;//Reset the bit counter
+            state = 0;   //Reset state m/c
+        }
+
+        if(Rx_count == 32) { //Check if all 32 bits have been received
+            state = 0;       //Reset state m/c
+
+ahead:
+
+            if(!((Rx_rep_count > 0) && (Rx_ignore_rep_flag == 1))) {
+                Rx_flag = 1;                             //Set this flag for repeat pulses only if repeat pulses are to be considered
+            }
+            Rx_rep_timeout_count = 0;         //Reset the counter everytime a valid command is received
+        }
+    }
+}
+
+void dummy_ISR()
+{
+    //Do nothing
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Sat Mar 09 00:51:21 2013 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/5e5da4a5990b
\ No newline at end of file