Harish Mekali / Mbed 2 deprecated GSM

GSM

Dependencies:   mbed

TextLCD.h@0:2a5254679d16, 2013-05-07 (annotated)

Committer:
HarishMekali
Date:
Tue May 07 13:45:44 2013 +0000
Revision:
0:2a5254679d16
GSM

Who changed what in which revision?

UserRevisionLine numberNew contents of line
HarishMekali 0:2a5254679d16 1 /* mbed TextLCD Library, for a 4-bit LCD based on HD44780
HarishMekali 0:2a5254679d16 2 * Copyright (c) 2007-2010, sford
HarishMekali 0:2a5254679d16 3 *
HarishMekali 0:2a5254679d16 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
HarishMekali 0:2a5254679d16 5 * of this software and associated documentation files (the "Software"), to deal
HarishMekali 0:2a5254679d16 6 * in the Software without restriction, including without limitation the rights
HarishMekali 0:2a5254679d16 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
HarishMekali 0:2a5254679d16 8 * copies of the Software, and to permit persons to whom the Software is
HarishMekali 0:2a5254679d16 9 * furnished to do so, subject to the following conditions:
HarishMekali 0:2a5254679d16 10 *
HarishMekali 0:2a5254679d16 11 * The above copyright notice and this permission notice shall be included in
HarishMekali 0:2a5254679d16 12 * all copies or substantial portions of the Software.
HarishMekali 0:2a5254679d16 13 *
HarishMekali 0:2a5254679d16 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
HarishMekali 0:2a5254679d16 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
HarishMekali 0:2a5254679d16 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
HarishMekali 0:2a5254679d16 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
HarishMekali 0:2a5254679d16 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
HarishMekali 0:2a5254679d16 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
HarishMekali 0:2a5254679d16 20 * THE SOFTWARE.
HarishMekali 0:2a5254679d16 21 */
HarishMekali 0:2a5254679d16 22
HarishMekali 0:2a5254679d16 23 #ifndef MBED_TEXTLCD_H
HarishMekali 0:2a5254679d16 24 #define MBED_TEXTLCD_H
HarishMekali 0:2a5254679d16 25
HarishMekali 0:2a5254679d16 26 #include "mbed.h"
HarishMekali 0:2a5254679d16 27
HarishMekali 0:2a5254679d16 28 /** A TextLCD interface for driving 4-bit HD44780-based LCDs
HarishMekali 0:2a5254679d16 29 *
HarishMekali 0:2a5254679d16 30 * Currently supports 16x2, 20x2 and 20x4 panels
HarishMekali 0:2a5254679d16 31 *
HarishMekali 0:2a5254679d16 32 * @code
HarishMekali 0:2a5254679d16 33 * #include "mbed.h"
HarishMekali 0:2a5254679d16 34 * #include "TextLCD.h"
HarishMekali 0:2a5254679d16 35 *
HarishMekali 0:2a5254679d16 36 * TextLCD lcd(p10, p12, p15, p16, p29, p30); // rs, e, d0-d3
HarishMekali 0:2a5254679d16 37 *
HarishMekali 0:2a5254679d16 38 * int main() {
HarishMekali 0:2a5254679d16 39 * lcd.printf("Hello World!\n");
HarishMekali 0:2a5254679d16 40 * }
HarishMekali 0:2a5254679d16 41 * @endcode
HarishMekali 0:2a5254679d16 42 */
HarishMekali 0:2a5254679d16 43 class TextLCD : public Stream {
HarishMekali 0:2a5254679d16 44 public:
HarishMekali 0:2a5254679d16 45
HarishMekali 0:2a5254679d16 46 /** LCD panel format */
HarishMekali 0:2a5254679d16 47 enum LCDType {
HarishMekali 0:2a5254679d16 48 LCD16x2 /**< 16x2 LCD panel (default) */
HarishMekali 0:2a5254679d16 49 , LCD16x2B /**< 16x2 LCD panel alternate addressing */
HarishMekali 0:2a5254679d16 50 , LCD20x2 /**< 20x2 LCD panel */
HarishMekali 0:2a5254679d16 51 , LCD20x4 /**< 20x4 LCD panel */
HarishMekali 0:2a5254679d16 52 };
HarishMekali 0:2a5254679d16 53
HarishMekali 0:2a5254679d16 54 /** Create a TextLCD interface
HarishMekali 0:2a5254679d16 55 *
HarishMekali 0:2a5254679d16 56 * @param rs Instruction/data control line
HarishMekali 0:2a5254679d16 57 * @param e Enable line (clock)
HarishMekali 0:2a5254679d16 58 * @param d0-d3 Data lines
HarishMekali 0:2a5254679d16 59 * @param type Sets the panel size/addressing mode (default = LCD16x2)
HarishMekali 0:2a5254679d16 60 */
HarishMekali 0:2a5254679d16 61 TextLCD(PinName rs, PinName e, PinName d0, PinName d1, PinName d2, PinName d3, LCDType type = LCD16x2);
HarishMekali 0:2a5254679d16 62
HarishMekali 0:2a5254679d16 63 #if DOXYGEN_ONLY
HarishMekali 0:2a5254679d16 64 /** Write a character to the LCD
HarishMekali 0:2a5254679d16 65 *
HarishMekali 0:2a5254679d16 66 * @param c The character to write to the display
HarishMekali 0:2a5254679d16 67 */
HarishMekali 0:2a5254679d16 68 int putc(int c);
HarishMekali 0:2a5254679d16 69
HarishMekali 0:2a5254679d16 70 /** Write a formated string to the LCD
HarishMekali 0:2a5254679d16 71 *
HarishMekali 0:2a5254679d16 72 * @param format A printf-style format string, followed by the
HarishMekali 0:2a5254679d16 73 * variables to use in formating the string.
HarishMekali 0:2a5254679d16 74 */
HarishMekali 0:2a5254679d16 75 int printf(const char* format, ...);
HarishMekali 0:2a5254679d16 76 #endif
HarishMekali 0:2a5254679d16 77
HarishMekali 0:2a5254679d16 78 /** Locate to a screen column and row
HarishMekali 0:2a5254679d16 79 *
HarishMekali 0:2a5254679d16 80 * @param column The horizontal position from the left, indexed from 0
HarishMekali 0:2a5254679d16 81 * @param row The vertical position from the top, indexed from 0
HarishMekali 0:2a5254679d16 82 */
HarishMekali 0:2a5254679d16 83 void locate(int column, int row);
HarishMekali 0:2a5254679d16 84
HarishMekali 0:2a5254679d16 85 /** Clear the screen and locate to 0,0 */
HarishMekali 0:2a5254679d16 86 void cls();
HarishMekali 0:2a5254679d16 87
HarishMekali 0:2a5254679d16 88 int rows();
HarishMekali 0:2a5254679d16 89 int columns();
HarishMekali 0:2a5254679d16 90
HarishMekali 0:2a5254679d16 91 protected:
HarishMekali 0:2a5254679d16 92
HarishMekali 0:2a5254679d16 93 // Stream implementation functions
HarishMekali 0:2a5254679d16 94 virtual int _putc(int value);
HarishMekali 0:2a5254679d16 95 virtual int _getc();
HarishMekali 0:2a5254679d16 96
HarishMekali 0:2a5254679d16 97 int address(int column, int row);
HarishMekali 0:2a5254679d16 98 void character(int column, int row, int c);
HarishMekali 0:2a5254679d16 99 void writeByte(int value);
HarishMekali 0:2a5254679d16 100 void writeCommand(int command);
HarishMekali 0:2a5254679d16 101 void writeData(int data);
HarishMekali 0:2a5254679d16 102
HarishMekali 0:2a5254679d16 103 DigitalOut _rs, _e;
HarishMekali 0:2a5254679d16 104 BusOut _d;
HarishMekali 0:2a5254679d16 105 LCDType _type;
HarishMekali 0:2a5254679d16 106
HarishMekali 0:2a5254679d16 107 int _column;
HarishMekali 0:2a5254679d16 108 int _row;
HarishMekali 0:2a5254679d16 109 };
HarishMekali 0:2a5254679d16 110
HarishMekali 0:2a5254679d16 111 #endif