sergio barrios / Mbed 2 deprecated teclado

teclado lcd

Dependencies:   TextLCD keypad mbed

TextLCD.h@0:9a67044d749e, 2017-02-25 (annotated)

Committer:
serbm
Date:
Sat Feb 25 14:21:11 2017 +0000
Revision:
0:9a67044d749e
teclado con lcd

Who changed what in which revision?

UserRevisionLine numberNew contents of line
serbm 0:9a67044d749e 1 /* mbed TextLCD Library, for a 4-bit LCD based on HD44780
serbm 0:9a67044d749e 2 * Copyright (c) 2007-2010, sford, http://mbed.org
serbm 0:9a67044d749e 3 *
serbm 0:9a67044d749e 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
serbm 0:9a67044d749e 5 * of this software and associated documentation files (the "Software"), to deal
serbm 0:9a67044d749e 6 * in the Software without restriction, including without limitation the rights
serbm 0:9a67044d749e 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
serbm 0:9a67044d749e 8 * copies of the Software, and to permit persons to whom the Software is
serbm 0:9a67044d749e 9 * furnished to do so, subject to the following conditions:
serbm 0:9a67044d749e 10 *
serbm 0:9a67044d749e 11 * The above copyright notice and this permission notice shall be included in
serbm 0:9a67044d749e 12 * all copies or substantial portions of the Software.
serbm 0:9a67044d749e 13 *
serbm 0:9a67044d749e 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
serbm 0:9a67044d749e 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
serbm 0:9a67044d749e 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
serbm 0:9a67044d749e 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
serbm 0:9a67044d749e 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
serbm 0:9a67044d749e 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
serbm 0:9a67044d749e 20 * THE SOFTWARE.
serbm 0:9a67044d749e 21 */
serbm 0:9a67044d749e 22
serbm 0:9a67044d749e 23 /*
serbm 0:9a67044d749e 24 * Comment: Added support for LCD40x2 and LCD8x2
serbm 0:9a67044d749e 25 * Name: davervw
serbm 0:9a67044d749e 26 * Date: 02/26/2011
serbm 0:9a67044d749e 27 */
serbm 0:9a67044d749e 28
serbm 0:9a67044d749e 29 #ifndef MBED_TEXTLCD_H
serbm 0:9a67044d749e 30 #define MBED_TEXTLCD_H
serbm 0:9a67044d749e 31
serbm 0:9a67044d749e 32 #include "mbed.h"
serbm 0:9a67044d749e 33
serbm 0:9a67044d749e 34 /** A TextLCD interface for driving 4-bit HD44780-based LCDs
serbm 0:9a67044d749e 35 *
serbm 0:9a67044d749e 36 * Currently supports 16x2, 20x2, 20x4, 40x2, and 8x2 panels
serbm 0:9a67044d749e 37 *
serbm 0:9a67044d749e 38 * @code
serbm 0:9a67044d749e 39 * #include "mbed.h"
serbm 0:9a67044d749e 40 * #include "TextLCD.h"
serbm 0:9a67044d749e 41 *
serbm 0:9a67044d749e 42 * TextLCD lcd(p10, p12, p15, p16, p29, p30); // rs, e, d4-d7
serbm 0:9a67044d749e 43 *
serbm 0:9a67044d749e 44 * int main() {
serbm 0:9a67044d749e 45 * lcd.printf("Hello World!\n");
serbm 0:9a67044d749e 46 * }
serbm 0:9a67044d749e 47 * @endcode
serbm 0:9a67044d749e 48 */
serbm 0:9a67044d749e 49 class TextLCD : public Stream {
serbm 0:9a67044d749e 50 public:
serbm 0:9a67044d749e 51
serbm 0:9a67044d749e 52 /** LCD panel format */
serbm 0:9a67044d749e 53 enum LCDType {
serbm 0:9a67044d749e 54 LCD16x2 /**< 16x2 LCD panel (default) */
serbm 0:9a67044d749e 55 , LCD16x2B /**< 16x2 LCD panel alternate addressing */
serbm 0:9a67044d749e 56 , LCD20x2 /**< 20x2 LCD panel */
serbm 0:9a67044d749e 57 , LCD20x4 /**< 20x4 LCD panel */
serbm 0:9a67044d749e 58 , LCD40x2 /**< 40x2 LCD panel */
serbm 0:9a67044d749e 59 , LCD8x2 /**< 8x2 LCD panel */
serbm 0:9a67044d749e 60 };
serbm 0:9a67044d749e 61
serbm 0:9a67044d749e 62 /** Create a TextLCD interface
serbm 0:9a67044d749e 63 *
serbm 0:9a67044d749e 64 * @param rs Instruction/data control line
serbm 0:9a67044d749e 65 * @param e Enable line (clock)
serbm 0:9a67044d749e 66 * @param d4-d7 Data lines for using as a 4-bit interface
serbm 0:9a67044d749e 67 * @param type Sets the panel size/addressing mode (default = LCD16x2)
serbm 0:9a67044d749e 68 */
serbm 0:9a67044d749e 69 TextLCD(PinName rs, PinName e, PinName d4, PinName d5, PinName d6, PinName d7, LCDType type = LCD16x2);
serbm 0:9a67044d749e 70
serbm 0:9a67044d749e 71 #if DOXYGEN_ONLY
serbm 0:9a67044d749e 72 /** Write a character to the LCD
serbm 0:9a67044d749e 73 *
serbm 0:9a67044d749e 74 * @param c The character to write to the display
serbm 0:9a67044d749e 75 */
serbm 0:9a67044d749e 76 int putc(int c);
serbm 0:9a67044d749e 77
serbm 0:9a67044d749e 78 /** Write a formated string to the LCD
serbm 0:9a67044d749e 79 *
serbm 0:9a67044d749e 80 * @param format A printf-style format string, followed by the
serbm 0:9a67044d749e 81 * variables to use in formating the string.
serbm 0:9a67044d749e 82 */
serbm 0:9a67044d749e 83 int printf(const char* format, ...);
serbm 0:9a67044d749e 84 #endif
serbm 0:9a67044d749e 85
serbm 0:9a67044d749e 86 /** Locate to a screen column and row
serbm 0:9a67044d749e 87 *
serbm 0:9a67044d749e 88 * @param column The horizontal position from the left, indexed from 0
serbm 0:9a67044d749e 89 * @param row The vertical position from the top, indexed from 0
serbm 0:9a67044d749e 90 */
serbm 0:9a67044d749e 91 void locate(int column, int row);
serbm 0:9a67044d749e 92
serbm 0:9a67044d749e 93 /** Clear the screen and locate to 0,0 */
serbm 0:9a67044d749e 94 void cls();
serbm 0:9a67044d749e 95
serbm 0:9a67044d749e 96 int rows();
serbm 0:9a67044d749e 97 int columns();
serbm 0:9a67044d749e 98
serbm 0:9a67044d749e 99 protected:
serbm 0:9a67044d749e 100
serbm 0:9a67044d749e 101 // Stream implementation functions
serbm 0:9a67044d749e 102 virtual int _putc(int value);
serbm 0:9a67044d749e 103 virtual int _getc();
serbm 0:9a67044d749e 104
serbm 0:9a67044d749e 105 int address(int column, int row);
serbm 0:9a67044d749e 106 void character(int column, int row, int c);
serbm 0:9a67044d749e 107 void writeByte(int value);
serbm 0:9a67044d749e 108 void writeCommand(int command);
serbm 0:9a67044d749e 109 void writeData(int data);
serbm 0:9a67044d749e 110
serbm 0:9a67044d749e 111 DigitalOut _rs, _e;
serbm 0:9a67044d749e 112 BusOut _d;
serbm 0:9a67044d749e 113 LCDType _type;
serbm 0:9a67044d749e 114
serbm 0:9a67044d749e 115 int _column;
serbm 0:9a67044d749e 116 int _row;
serbm 0:9a67044d749e 117 };
serbm 0:9a67044d749e 118
serbm 0:9a67044d749e 119 #endif