Moritz Mahler / Mbed 2 deprecated mbed_L3_Timer-moritz

hui

Dependencies:   mbed

Fork of mbed_L3_Timer by Adrian Renner

TextLCD.h@1:a02777ef7e5c, 2014-12-06 (annotated)

Committer:
moritzmahler
Date:
Sat Dec 06 14:46:14 2014 +0000
Revision:
1:a02777ef7e5c
Parent:
0:8a1dbfbe5c66 
some major problems . Don't know why.;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
addyi 0:8a1dbfbe5c66 1 /* mbed TextLCD Library, for a 4-bit LCD based on HD44780
addyi 0:8a1dbfbe5c66 2 * Copyright (c) 2007-2010, sford, http://mbed.org
addyi 0:8a1dbfbe5c66 3 *
addyi 0:8a1dbfbe5c66 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
addyi 0:8a1dbfbe5c66 5 * of this software and associated documentation files (the "Software"), to deal
addyi 0:8a1dbfbe5c66 6 * in the Software without restriction, including without limitation the rights
addyi 0:8a1dbfbe5c66 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
addyi 0:8a1dbfbe5c66 8 * copies of the Software, and to permit persons to whom the Software is
addyi 0:8a1dbfbe5c66 9 * furnished to do so, subject to the following conditions:
addyi 0:8a1dbfbe5c66 10 *
addyi 0:8a1dbfbe5c66 11 * The above copyright notice and this permission notice shall be included in
addyi 0:8a1dbfbe5c66 12 * all copies or substantial portions of the Software.
addyi 0:8a1dbfbe5c66 13 *
addyi 0:8a1dbfbe5c66 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
addyi 0:8a1dbfbe5c66 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
addyi 0:8a1dbfbe5c66 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
addyi 0:8a1dbfbe5c66 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
addyi 0:8a1dbfbe5c66 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
addyi 0:8a1dbfbe5c66 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
addyi 0:8a1dbfbe5c66 20 * THE SOFTWARE.
addyi 0:8a1dbfbe5c66 21 */
addyi 0:8a1dbfbe5c66 22
addyi 0:8a1dbfbe5c66 23 #ifndef MBED_TEXTLCD_H
addyi 0:8a1dbfbe5c66 24 #define MBED_TEXTLCD_H
addyi 0:8a1dbfbe5c66 25
addyi 0:8a1dbfbe5c66 26 #include "mbed.h"
addyi 0:8a1dbfbe5c66 27
addyi 0:8a1dbfbe5c66 28 /** A TextLCD interface for driving 4-bit HD44780-based LCDs
addyi 0:8a1dbfbe5c66 29 *
addyi 0:8a1dbfbe5c66 30 * Currently supports 16x2, 20x2 and 20x4 panels
addyi 0:8a1dbfbe5c66 31 *
addyi 0:8a1dbfbe5c66 32 * @code
addyi 0:8a1dbfbe5c66 33 * #include "mbed.h"
addyi 0:8a1dbfbe5c66 34 * #include "TextLCD.h"
addyi 0:8a1dbfbe5c66 35 *
addyi 0:8a1dbfbe5c66 36 * TextLCD lcd(p10, p12, p15, p16, p29, p30); // rs, e, d4-d7
addyi 0:8a1dbfbe5c66 37 *
addyi 0:8a1dbfbe5c66 38 * int main() {
addyi 0:8a1dbfbe5c66 39 * lcd.printf("Hello World!\n");
addyi 0:8a1dbfbe5c66 40 * }
addyi 0:8a1dbfbe5c66 41 * @endcode
addyi 0:8a1dbfbe5c66 42 */
addyi 0:8a1dbfbe5c66 43 class TextLCD : public Stream {
addyi 0:8a1dbfbe5c66 44 public:
addyi 0:8a1dbfbe5c66 45
addyi 0:8a1dbfbe5c66 46 /** LCD panel format */
addyi 0:8a1dbfbe5c66 47 enum LCDType {
addyi 0:8a1dbfbe5c66 48 LCD16x2 /**< 16x2 LCD panel (default) */
addyi 0:8a1dbfbe5c66 49 , LCD16x2B /**< 16x2 LCD panel alternate addressing */
addyi 0:8a1dbfbe5c66 50 , LCD20x2 /**< 20x2 LCD panel */
addyi 0:8a1dbfbe5c66 51 , LCD20x4 /**< 20x4 LCD panel */
addyi 0:8a1dbfbe5c66 52 };
addyi 0:8a1dbfbe5c66 53
addyi 0:8a1dbfbe5c66 54 /** Create a TextLCD interface
addyi 0:8a1dbfbe5c66 55 *
addyi 0:8a1dbfbe5c66 56 * @param rs Instruction/data control line
addyi 0:8a1dbfbe5c66 57 * @param e Enable line (clock)
addyi 0:8a1dbfbe5c66 58 * @param d4-d7 Data lines for using as a 4-bit interface
addyi 0:8a1dbfbe5c66 59 * @param type Sets the panel size/addressing mode (default = LCD16x2)
addyi 0:8a1dbfbe5c66 60 */
addyi 0:8a1dbfbe5c66 61 TextLCD(PinName rs, PinName rw, PinName e, PinName d4, PinName d5, PinName d6, PinName d7, LCDType type = LCD16x2);
addyi 0:8a1dbfbe5c66 62
addyi 0:8a1dbfbe5c66 63 #if DOXYGEN_ONLY
addyi 0:8a1dbfbe5c66 64 /** Write a character to the LCD
addyi 0:8a1dbfbe5c66 65 *
addyi 0:8a1dbfbe5c66 66 * @param c The character to write to the display
addyi 0:8a1dbfbe5c66 67 */
addyi 0:8a1dbfbe5c66 68 int putc(int c);
addyi 0:8a1dbfbe5c66 69
addyi 0:8a1dbfbe5c66 70 /** Write a formated string to the LCD
addyi 0:8a1dbfbe5c66 71 *
addyi 0:8a1dbfbe5c66 72 * @param format A printf-style format string, followed by the
addyi 0:8a1dbfbe5c66 73 * variables to use in formating the string.
addyi 0:8a1dbfbe5c66 74 */
addyi 0:8a1dbfbe5c66 75 int printf(const char* format, ...);
addyi 0:8a1dbfbe5c66 76 #endif
addyi 0:8a1dbfbe5c66 77
addyi 0:8a1dbfbe5c66 78 /** Locate to a screen column and row
addyi 0:8a1dbfbe5c66 79 *
addyi 0:8a1dbfbe5c66 80 * @param column The horizontal position from the left, indexed from 0
addyi 0:8a1dbfbe5c66 81 * @param row The vertical position from the top, indexed from 0
addyi 0:8a1dbfbe5c66 82 */
addyi 0:8a1dbfbe5c66 83 void locate(int column, int row);
addyi 0:8a1dbfbe5c66 84
addyi 0:8a1dbfbe5c66 85 /** Clear the screen and locate to 0,0 */
addyi 0:8a1dbfbe5c66 86 void cls();
addyi 0:8a1dbfbe5c66 87
addyi 0:8a1dbfbe5c66 88 int rows();
addyi 0:8a1dbfbe5c66 89 int columns();
addyi 0:8a1dbfbe5c66 90
addyi 0:8a1dbfbe5c66 91 protected:
addyi 0:8a1dbfbe5c66 92
addyi 0:8a1dbfbe5c66 93 // Stream implementation functions
addyi 0:8a1dbfbe5c66 94 virtual int _putc(int value);
addyi 0:8a1dbfbe5c66 95 virtual int _getc();
addyi 0:8a1dbfbe5c66 96
addyi 0:8a1dbfbe5c66 97 int address(int column, int row);
addyi 0:8a1dbfbe5c66 98 void character(int column, int row, int c);
addyi 0:8a1dbfbe5c66 99 void writeByte(int value);
addyi 0:8a1dbfbe5c66 100 void writeCommand(int command);
addyi 0:8a1dbfbe5c66 101 void writeData(int data);
addyi 0:8a1dbfbe5c66 102 void writeNibble(int data);
addyi 0:8a1dbfbe5c66 103 void clock(void);
addyi 0:8a1dbfbe5c66 104
addyi 0:8a1dbfbe5c66 105 DigitalOut _rs, _rw, _e;
addyi 0:8a1dbfbe5c66 106 BusOut _d;
addyi 0:8a1dbfbe5c66 107 LCDType _type;
addyi 0:8a1dbfbe5c66 108
addyi 0:8a1dbfbe5c66 109 int _column;
addyi 0:8a1dbfbe5c66 110 int _row;
addyi 0:8a1dbfbe5c66 111 };
addyi 0:8a1dbfbe5c66 112
addyi 0:8a1dbfbe5c66 113 #endif
addyi 0:8a1dbfbe5c66 114