CRISTIAN YOMAYUZA / Mbed 2 deprecated Teclado_lcd

Teclado con lcd

Dependencies:   mbed

TextLCD.h@0:2b5a34cdd26d, 2017-09-16 (annotated)

Committer:
cristiany
Date:
Sat Sep 16 21:55:50 2017 +0000
Revision:
0:2b5a34cdd26d
Teclado matricial con lcd;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
cristiany 0:2b5a34cdd26d 1 /* mbed TextLCD Library, for a 4-bit LCD based on HD44780
cristiany 0:2b5a34cdd26d 2 * Copyright (c) 2007-2010, sford, http://mbed.org
cristiany 0:2b5a34cdd26d 3 *
cristiany 0:2b5a34cdd26d 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
cristiany 0:2b5a34cdd26d 5 * of this software and associated documentation files (the "Software"), to deal
cristiany 0:2b5a34cdd26d 6 * in the Software without restriction, including without limitation the rights
cristiany 0:2b5a34cdd26d 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
cristiany 0:2b5a34cdd26d 8 * copies of the Software, and to permit persons to whom the Software is
cristiany 0:2b5a34cdd26d 9 * furnished to do so, subject to the following conditions:
cristiany 0:2b5a34cdd26d 10 *
cristiany 0:2b5a34cdd26d 11 * The above copyright notice and this permission notice shall be included in
cristiany 0:2b5a34cdd26d 12 * all copies or substantial portions of the Software.
cristiany 0:2b5a34cdd26d 13 *
cristiany 0:2b5a34cdd26d 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
cristiany 0:2b5a34cdd26d 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
cristiany 0:2b5a34cdd26d 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
cristiany 0:2b5a34cdd26d 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
cristiany 0:2b5a34cdd26d 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
cristiany 0:2b5a34cdd26d 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
cristiany 0:2b5a34cdd26d 20 * THE SOFTWARE.
cristiany 0:2b5a34cdd26d 21 */
cristiany 0:2b5a34cdd26d 22
cristiany 0:2b5a34cdd26d 23 #ifndef MBED_TEXTLCD_H
cristiany 0:2b5a34cdd26d 24 #define MBED_TEXTLCD_H
cristiany 0:2b5a34cdd26d 25
cristiany 0:2b5a34cdd26d 26 #include "mbed.h"
cristiany 0:2b5a34cdd26d 27
cristiany 0:2b5a34cdd26d 28 /** A TextLCD interface for driving 4-bit HD44780-based LCDs
cristiany 0:2b5a34cdd26d 29 *
cristiany 0:2b5a34cdd26d 30 * Currently supports 16x2, 20x2 and 20x4 panels
cristiany 0:2b5a34cdd26d 31 *
cristiany 0:2b5a34cdd26d 32 * @code
cristiany 0:2b5a34cdd26d 33 * #include "mbed.h"
cristiany 0:2b5a34cdd26d 34 * #include "TextLCD.h"
cristiany 0:2b5a34cdd26d 35 *
cristiany 0:2b5a34cdd26d 36 * TextLCD lcd(p10, p12, p15, p16, p29, p30); // rs, e, d4-d7
cristiany 0:2b5a34cdd26d 37 *
cristiany 0:2b5a34cdd26d 38 * int main() {
cristiany 0:2b5a34cdd26d 39 * lcd.printf("Hello World!\n");
cristiany 0:2b5a34cdd26d 40 * }
cristiany 0:2b5a34cdd26d 41 * @endcode
cristiany 0:2b5a34cdd26d 42 */
cristiany 0:2b5a34cdd26d 43 class TextLCD : public Stream {
cristiany 0:2b5a34cdd26d 44 public:
cristiany 0:2b5a34cdd26d 45
cristiany 0:2b5a34cdd26d 46 /** LCD panel format */
cristiany 0:2b5a34cdd26d 47 enum LCDType {
cristiany 0:2b5a34cdd26d 48 LCD16x2 /**< 16x2 LCD panel (default) */
cristiany 0:2b5a34cdd26d 49 , LCD16x2B /**< 16x2 LCD panel alternate addressing */
cristiany 0:2b5a34cdd26d 50 , LCD20x2 /**< 20x2 LCD panel */
cristiany 0:2b5a34cdd26d 51 , LCD20x4 /**< 20x4 LCD panel */
cristiany 0:2b5a34cdd26d 52 };
cristiany 0:2b5a34cdd26d 53
cristiany 0:2b5a34cdd26d 54 /** Create a TextLCD interface
cristiany 0:2b5a34cdd26d 55 *
cristiany 0:2b5a34cdd26d 56 * @param rs Instruction/data control line
cristiany 0:2b5a34cdd26d 57 * @param e Enable line (clock)
cristiany 0:2b5a34cdd26d 58 * @param d4-d7 Data lines for using as a 4-bit interface
cristiany 0:2b5a34cdd26d 59 * @param type Sets the panel size/addressing mode (default = LCD16x2)
cristiany 0:2b5a34cdd26d 60 */
cristiany 0:2b5a34cdd26d 61 TextLCD(PinName rs, PinName e, PinName d4, PinName d5, PinName d6, PinName d7, LCDType type = LCD16x2);
cristiany 0:2b5a34cdd26d 62
cristiany 0:2b5a34cdd26d 63 #if DOXYGEN_ONLY
cristiany 0:2b5a34cdd26d 64 /** Write a character to the LCD
cristiany 0:2b5a34cdd26d 65 *
cristiany 0:2b5a34cdd26d 66 * @param c The character to write to the display
cristiany 0:2b5a34cdd26d 67 */
cristiany 0:2b5a34cdd26d 68 int putc(int c);
cristiany 0:2b5a34cdd26d 69
cristiany 0:2b5a34cdd26d 70 /** Write a formated string to the LCD
cristiany 0:2b5a34cdd26d 71 *
cristiany 0:2b5a34cdd26d 72 * @param format A printf-style format string, followed by the
cristiany 0:2b5a34cdd26d 73 * variables to use in formating the string.
cristiany 0:2b5a34cdd26d 74 */
cristiany 0:2b5a34cdd26d 75 int printf(const char* format, ...);
cristiany 0:2b5a34cdd26d 76 #endif
cristiany 0:2b5a34cdd26d 77
cristiany 0:2b5a34cdd26d 78 /** Locate to a screen column and row
cristiany 0:2b5a34cdd26d 79 *
cristiany 0:2b5a34cdd26d 80 * @param column The horizontal position from the left, indexed from 0
cristiany 0:2b5a34cdd26d 81 * @param row The vertical position from the top, indexed from 0
cristiany 0:2b5a34cdd26d 82 */
cristiany 0:2b5a34cdd26d 83 void locate(int column, int row);
cristiany 0:2b5a34cdd26d 84
cristiany 0:2b5a34cdd26d 85 /** Clear the screen and locate to 0,0 */
cristiany 0:2b5a34cdd26d 86 void cls();
cristiany 0:2b5a34cdd26d 87
cristiany 0:2b5a34cdd26d 88 int rows();
cristiany 0:2b5a34cdd26d 89 int columns();
cristiany 0:2b5a34cdd26d 90
cristiany 0:2b5a34cdd26d 91 protected:
cristiany 0:2b5a34cdd26d 92
cristiany 0:2b5a34cdd26d 93 // Stream implementation functions
cristiany 0:2b5a34cdd26d 94 virtual int _putc(int value);
cristiany 0:2b5a34cdd26d 95 virtual int _getc();
cristiany 0:2b5a34cdd26d 96
cristiany 0:2b5a34cdd26d 97 int address(int column, int row);
cristiany 0:2b5a34cdd26d 98 void character(int column, int row, int c);
cristiany 0:2b5a34cdd26d 99 void writeByte(int value);
cristiany 0:2b5a34cdd26d 100 void writeCommand(int command);
cristiany 0:2b5a34cdd26d 101 void writeData(int data);
cristiany 0:2b5a34cdd26d 102
cristiany 0:2b5a34cdd26d 103 DigitalOut _rs, _e;
cristiany 0:2b5a34cdd26d 104 BusOut _d;
cristiany 0:2b5a34cdd26d 105 LCDType _type;
cristiany 0:2b5a34cdd26d 106
cristiany 0:2b5a34cdd26d 107 int _column;
cristiany 0:2b5a34cdd26d 108 int _row;
cristiany 0:2b5a34cdd26d 109 };
cristiany 0:2b5a34cdd26d 110
cristiany 0:2b5a34cdd26d 111 #endif