StarBoard Orange - Example application No.1 GoogleChartLogger with StarBoard Orange

Dependencies:   EthernetNetIf mbed

Committer:
shintamainjp
Date:
Wed Aug 11 01:53:35 2010 +0000
Revision:
0:77d8b45a8f42

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
shintamainjp 0:77d8b45a8f42 1 /* mbed TextLCD Library, for a 4-bit LCD based on HD44780
shintamainjp 0:77d8b45a8f42 2 * Copyright (c) 2007-2010, sford
shintamainjp 0:77d8b45a8f42 3 *
shintamainjp 0:77d8b45a8f42 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
shintamainjp 0:77d8b45a8f42 5 * of this software and associated documentation files (the "Software"), to deal
shintamainjp 0:77d8b45a8f42 6 * in the Software without restriction, including without limitation the rights
shintamainjp 0:77d8b45a8f42 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
shintamainjp 0:77d8b45a8f42 8 * copies of the Software, and to permit persons to whom the Software is
shintamainjp 0:77d8b45a8f42 9 * furnished to do so, subject to the following conditions:
shintamainjp 0:77d8b45a8f42 10 *
shintamainjp 0:77d8b45a8f42 11 * The above copyright notice and this permission notice shall be included in
shintamainjp 0:77d8b45a8f42 12 * all copies or substantial portions of the Software.
shintamainjp 0:77d8b45a8f42 13 *
shintamainjp 0:77d8b45a8f42 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
shintamainjp 0:77d8b45a8f42 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
shintamainjp 0:77d8b45a8f42 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
shintamainjp 0:77d8b45a8f42 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
shintamainjp 0:77d8b45a8f42 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
shintamainjp 0:77d8b45a8f42 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
shintamainjp 0:77d8b45a8f42 20 * THE SOFTWARE.
shintamainjp 0:77d8b45a8f42 21 */
shintamainjp 0:77d8b45a8f42 22
shintamainjp 0:77d8b45a8f42 23 /*
shintamainjp 0:77d8b45a8f42 24 * Modified for star board orange by Shinichiro Nakamura. (CuBeatSystems)
shintamainjp 0:77d8b45a8f42 25 *
shintamainjp 0:77d8b45a8f42 26 * ID : shintamainjp
shintamainjp 0:77d8b45a8f42 27 * Added : RW-
shintamainjp 0:77d8b45a8f42 28 */
shintamainjp 0:77d8b45a8f42 29
shintamainjp 0:77d8b45a8f42 30 #include "TextLCD.h"
shintamainjp 0:77d8b45a8f42 31 #include "mbed.h"
shintamainjp 0:77d8b45a8f42 32
shintamainjp 0:77d8b45a8f42 33 TextLCD::TextLCD(PinName rs, PinName rw, PinName e, PinName d0, PinName d1,
shintamainjp 0:77d8b45a8f42 34 PinName d2, PinName d3, LCDType type) : _rs(rs), _rw(rw),
shintamainjp 0:77d8b45a8f42 35 _e(e), _d(d0, d1, d2, d3),
shintamainjp 0:77d8b45a8f42 36 _type(type) {
shintamainjp 0:77d8b45a8f42 37
shintamainjp 0:77d8b45a8f42 38 _e = 1;
shintamainjp 0:77d8b45a8f42 39 _rs = 0; // command mode
shintamainjp 0:77d8b45a8f42 40 _rw = 0;
shintamainjp 0:77d8b45a8f42 41
shintamainjp 0:77d8b45a8f42 42 wait(0.015); // Wait 15ms to ensure powered up
shintamainjp 0:77d8b45a8f42 43
shintamainjp 0:77d8b45a8f42 44 // send "Display Settings" 3 times (Only top nibble of 0x30 as we've got 4-bit bus)
shintamainjp 0:77d8b45a8f42 45 for (int i=0; i<3; i++) {
shintamainjp 0:77d8b45a8f42 46 writeByte(0x3);
shintamainjp 0:77d8b45a8f42 47 wait(0.00164); // this command takes 1.64ms, so wait for it
shintamainjp 0:77d8b45a8f42 48 }
shintamainjp 0:77d8b45a8f42 49 writeByte(0x2); // 4-bit mode
shintamainjp 0:77d8b45a8f42 50 wait(0.000040f); // most instructions take 40us
shintamainjp 0:77d8b45a8f42 51
shintamainjp 0:77d8b45a8f42 52 writeCommand(0x28); // Function set 001 BW N F - -
shintamainjp 0:77d8b45a8f42 53 writeCommand(0x0C);
shintamainjp 0:77d8b45a8f42 54 writeCommand(0x6); // Cursor Direction and Display Shift : 0000 01 CD S (CD 0-left, 1-right S(hift) 0-no, 1-yes
shintamainjp 0:77d8b45a8f42 55 cls();
shintamainjp 0:77d8b45a8f42 56 }
shintamainjp 0:77d8b45a8f42 57
shintamainjp 0:77d8b45a8f42 58 void TextLCD::character(int column, int row, int c) {
shintamainjp 0:77d8b45a8f42 59 int a = address(column, row);
shintamainjp 0:77d8b45a8f42 60 writeCommand(a);
shintamainjp 0:77d8b45a8f42 61 writeData(c);
shintamainjp 0:77d8b45a8f42 62 }
shintamainjp 0:77d8b45a8f42 63
shintamainjp 0:77d8b45a8f42 64 void TextLCD::cls() {
shintamainjp 0:77d8b45a8f42 65 writeCommand(0x01); // cls, and set cursor to 0
shintamainjp 0:77d8b45a8f42 66 wait(0.00164f); // This command takes 1.64 ms
shintamainjp 0:77d8b45a8f42 67 locate(0, 0);
shintamainjp 0:77d8b45a8f42 68 }
shintamainjp 0:77d8b45a8f42 69
shintamainjp 0:77d8b45a8f42 70 void TextLCD::locate(int column, int row) {
shintamainjp 0:77d8b45a8f42 71 _column = column;
shintamainjp 0:77d8b45a8f42 72 _row = row;
shintamainjp 0:77d8b45a8f42 73 }
shintamainjp 0:77d8b45a8f42 74
shintamainjp 0:77d8b45a8f42 75 int TextLCD::_putc(int value) {
shintamainjp 0:77d8b45a8f42 76 if (value == '\n') {
shintamainjp 0:77d8b45a8f42 77 _column = 0;
shintamainjp 0:77d8b45a8f42 78 _row++;
shintamainjp 0:77d8b45a8f42 79 if (_row >= rows()) {
shintamainjp 0:77d8b45a8f42 80 _row = 0;
shintamainjp 0:77d8b45a8f42 81 }
shintamainjp 0:77d8b45a8f42 82 } else {
shintamainjp 0:77d8b45a8f42 83 character(_column, _row, value);
shintamainjp 0:77d8b45a8f42 84 _column++;
shintamainjp 0:77d8b45a8f42 85 if (_column >= columns()) {
shintamainjp 0:77d8b45a8f42 86 _column = 0;
shintamainjp 0:77d8b45a8f42 87 _row++;
shintamainjp 0:77d8b45a8f42 88 if (_row >= rows()) {
shintamainjp 0:77d8b45a8f42 89 _row = 0;
shintamainjp 0:77d8b45a8f42 90 }
shintamainjp 0:77d8b45a8f42 91 }
shintamainjp 0:77d8b45a8f42 92 }
shintamainjp 0:77d8b45a8f42 93 return value;
shintamainjp 0:77d8b45a8f42 94 }
shintamainjp 0:77d8b45a8f42 95
shintamainjp 0:77d8b45a8f42 96 int TextLCD::_getc() {
shintamainjp 0:77d8b45a8f42 97 return -1;
shintamainjp 0:77d8b45a8f42 98 }
shintamainjp 0:77d8b45a8f42 99
shintamainjp 0:77d8b45a8f42 100 void TextLCD::writeByte(int value) {
shintamainjp 0:77d8b45a8f42 101 _d = value >> 4;
shintamainjp 0:77d8b45a8f42 102 wait(0.000040f); // most instructions take 40us
shintamainjp 0:77d8b45a8f42 103 _e = 0;
shintamainjp 0:77d8b45a8f42 104 wait(0.000040f);
shintamainjp 0:77d8b45a8f42 105 _e = 1;
shintamainjp 0:77d8b45a8f42 106 _d = value >> 0;
shintamainjp 0:77d8b45a8f42 107 wait(0.000040f);
shintamainjp 0:77d8b45a8f42 108 _e = 0;
shintamainjp 0:77d8b45a8f42 109 wait(0.000040f); // most instructions take 40us
shintamainjp 0:77d8b45a8f42 110 _e = 1;
shintamainjp 0:77d8b45a8f42 111 }
shintamainjp 0:77d8b45a8f42 112
shintamainjp 0:77d8b45a8f42 113 void TextLCD::writeCommand(int command) {
shintamainjp 0:77d8b45a8f42 114 _rs = 0;
shintamainjp 0:77d8b45a8f42 115 writeByte(command);
shintamainjp 0:77d8b45a8f42 116 }
shintamainjp 0:77d8b45a8f42 117
shintamainjp 0:77d8b45a8f42 118 void TextLCD::writeData(int data) {
shintamainjp 0:77d8b45a8f42 119 _rs = 1;
shintamainjp 0:77d8b45a8f42 120 writeByte(data);
shintamainjp 0:77d8b45a8f42 121 }
shintamainjp 0:77d8b45a8f42 122
shintamainjp 0:77d8b45a8f42 123 int TextLCD::address(int column, int row) {
shintamainjp 0:77d8b45a8f42 124 switch (_type) {
shintamainjp 0:77d8b45a8f42 125 case LCD20x4:
shintamainjp 0:77d8b45a8f42 126 switch (row) {
shintamainjp 0:77d8b45a8f42 127 case 0:
shintamainjp 0:77d8b45a8f42 128 return 0x80 + column;
shintamainjp 0:77d8b45a8f42 129 case 1:
shintamainjp 0:77d8b45a8f42 130 return 0xc0 + column;
shintamainjp 0:77d8b45a8f42 131 case 2:
shintamainjp 0:77d8b45a8f42 132 return 0x94 + column;
shintamainjp 0:77d8b45a8f42 133 case 3:
shintamainjp 0:77d8b45a8f42 134 return 0xd4 + column;
shintamainjp 0:77d8b45a8f42 135 }
shintamainjp 0:77d8b45a8f42 136 case LCD16x2B:
shintamainjp 0:77d8b45a8f42 137 return 0x80 + (row * 40) + column;
shintamainjp 0:77d8b45a8f42 138 case LCD16x2:
shintamainjp 0:77d8b45a8f42 139 case LCD20x2:
shintamainjp 0:77d8b45a8f42 140 default:
shintamainjp 0:77d8b45a8f42 141 return 0x80 + (row * 0x40) + column;
shintamainjp 0:77d8b45a8f42 142 }
shintamainjp 0:77d8b45a8f42 143 }
shintamainjp 0:77d8b45a8f42 144
shintamainjp 0:77d8b45a8f42 145 int TextLCD::columns() {
shintamainjp 0:77d8b45a8f42 146 switch (_type) {
shintamainjp 0:77d8b45a8f42 147 case LCD20x4:
shintamainjp 0:77d8b45a8f42 148 case LCD20x2:
shintamainjp 0:77d8b45a8f42 149 return 20;
shintamainjp 0:77d8b45a8f42 150 case LCD16x2:
shintamainjp 0:77d8b45a8f42 151 case LCD16x2B:
shintamainjp 0:77d8b45a8f42 152 default:
shintamainjp 0:77d8b45a8f42 153 return 16;
shintamainjp 0:77d8b45a8f42 154 }
shintamainjp 0:77d8b45a8f42 155 }
shintamainjp 0:77d8b45a8f42 156
shintamainjp 0:77d8b45a8f42 157 int TextLCD::rows() {
shintamainjp 0:77d8b45a8f42 158 switch (_type) {
shintamainjp 0:77d8b45a8f42 159 case LCD20x4:
shintamainjp 0:77d8b45a8f42 160 return 4;
shintamainjp 0:77d8b45a8f42 161 case LCD16x2:
shintamainjp 0:77d8b45a8f42 162 case LCD16x2B:
shintamainjp 0:77d8b45a8f42 163 case LCD20x2:
shintamainjp 0:77d8b45a8f42 164 default:
shintamainjp 0:77d8b45a8f42 165 return 2;
shintamainjp 0:77d8b45a8f42 166 }
shintamainjp 0:77d8b45a8f42 167 }