Shinichiro Nakamura / Mbed 2 deprecated Toragi_2012_PachubeCosm

Hi. This is the feed program for Cosm. (The previous name of the services is Pachube.)

Dependencies:   mbed ThermistorPack Pachube ConfigFile EthernetNetIf TextLCD HTTPClient_ToBeRemoved FatFileSystem SDFileSystem

extlib/TextLCD/TextLCD.cpp@0:521ba375aa0f, 2012-08-06 (annotated)

Committer:
shintamainjp
Date:
Mon Aug 06 12:37:59 2012 +0000
Revision:
0:521ba375aa0f
Pachube renamed to Cosm.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
shintamainjp 0:521ba375aa0f 1 /* mbed TextLCD Library, for a 4-bit LCD based on HD44780
shintamainjp 0:521ba375aa0f 2 * Copyright (c) 2007-2010, sford, http://mbed.org
shintamainjp 0:521ba375aa0f 3 *
shintamainjp 0:521ba375aa0f 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
shintamainjp 0:521ba375aa0f 5 * of this software and associated documentation files (the "Software"), to deal
shintamainjp 0:521ba375aa0f 6 * in the Software without restriction, including without limitation the rights
shintamainjp 0:521ba375aa0f 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
shintamainjp 0:521ba375aa0f 8 * copies of the Software, and to permit persons to whom the Software is
shintamainjp 0:521ba375aa0f 9 * furnished to do so, subject to the following conditions:
shintamainjp 0:521ba375aa0f 10 *
shintamainjp 0:521ba375aa0f 11 * The above copyright notice and this permission notice shall be included in
shintamainjp 0:521ba375aa0f 12 * all copies or substantial portions of the Software.
shintamainjp 0:521ba375aa0f 13 *
shintamainjp 0:521ba375aa0f 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
shintamainjp 0:521ba375aa0f 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
shintamainjp 0:521ba375aa0f 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
shintamainjp 0:521ba375aa0f 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
shintamainjp 0:521ba375aa0f 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
shintamainjp 0:521ba375aa0f 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
shintamainjp 0:521ba375aa0f 20 * THE SOFTWARE.
shintamainjp 0:521ba375aa0f 21 */
shintamainjp 0:521ba375aa0f 22
shintamainjp 0:521ba375aa0f 23 #include "TextLCD.h"
shintamainjp 0:521ba375aa0f 24 #include "mbed.h"
shintamainjp 0:521ba375aa0f 25
shintamainjp 0:521ba375aa0f 26 TextLCD::TextLCD(PinName rs, PinName e, PinName d4, PinName d5,
shintamainjp 0:521ba375aa0f 27 PinName d6, PinName d7, LCDType type) : _rs(rs),
shintamainjp 0:521ba375aa0f 28 _e(e), _d(d4, d5, d6, d7),
shintamainjp 0:521ba375aa0f 29 _type(type) {
shintamainjp 0:521ba375aa0f 30
shintamainjp 0:521ba375aa0f 31 _e = 1;
shintamainjp 0:521ba375aa0f 32 _rs = 0; // command mode
shintamainjp 0:521ba375aa0f 33
shintamainjp 0:521ba375aa0f 34 wait(0.015); // Wait 15ms to ensure powered up
shintamainjp 0:521ba375aa0f 35
shintamainjp 0:521ba375aa0f 36 // send "Display Settings" 3 times (Only top nibble of 0x30 as we've got 4-bit bus)
shintamainjp 0:521ba375aa0f 37 for (int i=0; i<3; i++) {
shintamainjp 0:521ba375aa0f 38 writeByte(0x3);
shintamainjp 0:521ba375aa0f 39 wait(0.00164); // this command takes 1.64ms, so wait for it
shintamainjp 0:521ba375aa0f 40 }
shintamainjp 0:521ba375aa0f 41 writeByte(0x2); // 4-bit mode
shintamainjp 0:521ba375aa0f 42 wait(0.000040f); // most instructions take 40us
shintamainjp 0:521ba375aa0f 43
shintamainjp 0:521ba375aa0f 44 writeCommand(0x28); // Function set 001 BW N F - -
shintamainjp 0:521ba375aa0f 45 writeCommand(0x0C);
shintamainjp 0:521ba375aa0f 46 writeCommand(0x6); // Cursor Direction and Display Shift : 0000 01 CD S (CD 0-left, 1-right S(hift) 0-no, 1-yes
shintamainjp 0:521ba375aa0f 47 cls();
shintamainjp 0:521ba375aa0f 48 }
shintamainjp 0:521ba375aa0f 49
shintamainjp 0:521ba375aa0f 50 void TextLCD::character(int column, int row, int c) {
shintamainjp 0:521ba375aa0f 51 int a = address(column, row);
shintamainjp 0:521ba375aa0f 52 writeCommand(a);
shintamainjp 0:521ba375aa0f 53 writeData(c);
shintamainjp 0:521ba375aa0f 54 }
shintamainjp 0:521ba375aa0f 55
shintamainjp 0:521ba375aa0f 56 void TextLCD::cls() {
shintamainjp 0:521ba375aa0f 57 writeCommand(0x01); // cls, and set cursor to 0
shintamainjp 0:521ba375aa0f 58 wait(0.00164f); // This command takes 1.64 ms
shintamainjp 0:521ba375aa0f 59 locate(0, 0);
shintamainjp 0:521ba375aa0f 60 }
shintamainjp 0:521ba375aa0f 61
shintamainjp 0:521ba375aa0f 62 void TextLCD::locate(int column, int row) {
shintamainjp 0:521ba375aa0f 63 _column = column;
shintamainjp 0:521ba375aa0f 64 _row = row;
shintamainjp 0:521ba375aa0f 65 }
shintamainjp 0:521ba375aa0f 66
shintamainjp 0:521ba375aa0f 67 int TextLCD::_putc(int value) {
shintamainjp 0:521ba375aa0f 68 if (value == '\n') {
shintamainjp 0:521ba375aa0f 69 _column = 0;
shintamainjp 0:521ba375aa0f 70 _row++;
shintamainjp 0:521ba375aa0f 71 if (_row >= rows()) {
shintamainjp 0:521ba375aa0f 72 _row = 0;
shintamainjp 0:521ba375aa0f 73 }
shintamainjp 0:521ba375aa0f 74 } else {
shintamainjp 0:521ba375aa0f 75 character(_column, _row, value);
shintamainjp 0:521ba375aa0f 76 _column++;
shintamainjp 0:521ba375aa0f 77 if (_column >= columns()) {
shintamainjp 0:521ba375aa0f 78 _column = 0;
shintamainjp 0:521ba375aa0f 79 _row++;
shintamainjp 0:521ba375aa0f 80 if (_row >= rows()) {
shintamainjp 0:521ba375aa0f 81 _row = 0;
shintamainjp 0:521ba375aa0f 82 }
shintamainjp 0:521ba375aa0f 83 }
shintamainjp 0:521ba375aa0f 84 }
shintamainjp 0:521ba375aa0f 85 return value;
shintamainjp 0:521ba375aa0f 86 }
shintamainjp 0:521ba375aa0f 87
shintamainjp 0:521ba375aa0f 88 int TextLCD::_getc() {
shintamainjp 0:521ba375aa0f 89 return -1;
shintamainjp 0:521ba375aa0f 90 }
shintamainjp 0:521ba375aa0f 91
shintamainjp 0:521ba375aa0f 92 void TextLCD::writeByte(int value) {
shintamainjp 0:521ba375aa0f 93 _d = value >> 4;
shintamainjp 0:521ba375aa0f 94 wait(0.000040f); // most instructions take 40us
shintamainjp 0:521ba375aa0f 95 _e = 0;
shintamainjp 0:521ba375aa0f 96 wait(0.000040f);
shintamainjp 0:521ba375aa0f 97 _e = 1;
shintamainjp 0:521ba375aa0f 98 _d = value >> 0;
shintamainjp 0:521ba375aa0f 99 wait(0.000040f);
shintamainjp 0:521ba375aa0f 100 _e = 0;
shintamainjp 0:521ba375aa0f 101 wait(0.000040f); // most instructions take 40us
shintamainjp 0:521ba375aa0f 102 _e = 1;
shintamainjp 0:521ba375aa0f 103 }
shintamainjp 0:521ba375aa0f 104
shintamainjp 0:521ba375aa0f 105 void TextLCD::writeCommand(int command) {
shintamainjp 0:521ba375aa0f 106 _rs = 0;
shintamainjp 0:521ba375aa0f 107 writeByte(command);
shintamainjp 0:521ba375aa0f 108 }
shintamainjp 0:521ba375aa0f 109
shintamainjp 0:521ba375aa0f 110 void TextLCD::writeData(int data) {
shintamainjp 0:521ba375aa0f 111 _rs = 1;
shintamainjp 0:521ba375aa0f 112 writeByte(data);
shintamainjp 0:521ba375aa0f 113 }
shintamainjp 0:521ba375aa0f 114
shintamainjp 0:521ba375aa0f 115 int TextLCD::address(int column, int row) {
shintamainjp 0:521ba375aa0f 116 switch (_type) {
shintamainjp 0:521ba375aa0f 117 case LCD20x4:
shintamainjp 0:521ba375aa0f 118 switch (row) {
shintamainjp 0:521ba375aa0f 119 case 0:
shintamainjp 0:521ba375aa0f 120 return 0x80 + column;
shintamainjp 0:521ba375aa0f 121 case 1:
shintamainjp 0:521ba375aa0f 122 return 0xc0 + column;
shintamainjp 0:521ba375aa0f 123 case 2:
shintamainjp 0:521ba375aa0f 124 return 0x94 + column;
shintamainjp 0:521ba375aa0f 125 case 3:
shintamainjp 0:521ba375aa0f 126 return 0xd4 + column;
shintamainjp 0:521ba375aa0f 127 }
shintamainjp 0:521ba375aa0f 128 case LCD16x2B:
shintamainjp 0:521ba375aa0f 129 return 0x80 + (row * 40) + column;
shintamainjp 0:521ba375aa0f 130 case LCD16x2:
shintamainjp 0:521ba375aa0f 131 case LCD20x2:
shintamainjp 0:521ba375aa0f 132 default:
shintamainjp 0:521ba375aa0f 133 return 0x80 + (row * 0x40) + column;
shintamainjp 0:521ba375aa0f 134 }
shintamainjp 0:521ba375aa0f 135 }
shintamainjp 0:521ba375aa0f 136
shintamainjp 0:521ba375aa0f 137 int TextLCD::columns() {
shintamainjp 0:521ba375aa0f 138 switch (_type) {
shintamainjp 0:521ba375aa0f 139 case LCD20x4:
shintamainjp 0:521ba375aa0f 140 case LCD20x2:
shintamainjp 0:521ba375aa0f 141 return 20;
shintamainjp 0:521ba375aa0f 142 case LCD16x2:
shintamainjp 0:521ba375aa0f 143 case LCD16x2B:
shintamainjp 0:521ba375aa0f 144 default:
shintamainjp 0:521ba375aa0f 145 return 16;
shintamainjp 0:521ba375aa0f 146 }
shintamainjp 0:521ba375aa0f 147 }
shintamainjp 0:521ba375aa0f 148
shintamainjp 0:521ba375aa0f 149 int TextLCD::rows() {
shintamainjp 0:521ba375aa0f 150 switch (_type) {
shintamainjp 0:521ba375aa0f 151 case LCD20x4:
shintamainjp 0:521ba375aa0f 152 return 4;
shintamainjp 0:521ba375aa0f 153 case LCD16x2:
shintamainjp 0:521ba375aa0f 154 case LCD16x2B:
shintamainjp 0:521ba375aa0f 155 case LCD20x2:
shintamainjp 0:521ba375aa0f 156 default:
shintamainjp 0:521ba375aa0f 157 return 2;
shintamainjp 0:521ba375aa0f 158 }
shintamainjp 0:521ba375aa0f 159 }