Enrico Marinoni / TextLCD

This library must included in: NUCLEO-L152RE and Arduino LCD 1602 that is here: https://mbed.org/users/emcu/code/NUCLEOL152RE_and_Arduino_LCD1602/

Dependents:   F334andDS18B20 F334andDS18B20andLCD1602andRELAYdlyCasaV12

Fork of TextLCD by Enrico Marinoni

TextLCD.h@9:a8fcb19c3728, 2014-05-11 (annotated)

Committer:
emcu
Date:
Sun May 11 06:55:58 2014 +0000
Revision:
9:a8fcb19c3728
Parent:
8:308d188a2d3a 
NUCLEO-L152RE and Arduino LCD 1602

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emcu 9:a8fcb19c3728 1 /*
emcu 9:a8fcb19c3728 2 * Changed by www.emcu.it for running on NUCLEO-L152RE. May 2014
emcu 9:a8fcb19c3728 3 *
emcu 9:a8fcb19c3728 4 *
emcu 9:a8fcb19c3728 5 * mbed TextLCD Library, for a 4-bit LCD based on HD44780
simon 6:e4cb7ddee0d3 6 * Copyright (c) 2007-2010, sford, http://mbed.org
simon 1:ac48b187213c 7 *
simon 1:ac48b187213c 8 * Permission is hereby granted, free of charge, to any person obtaining a copy
simon 1:ac48b187213c 9 * of this software and associated documentation files (the "Software"), to deal
simon 1:ac48b187213c 10 * in the Software without restriction, including without limitation the rights
simon 1:ac48b187213c 11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
simon 1:ac48b187213c 12 * copies of the Software, and to permit persons to whom the Software is
simon 1:ac48b187213c 13 * furnished to do so, subject to the following conditions:
simon 2:227356c7d12c 14 *
simon 1:ac48b187213c 15 * The above copyright notice and this permission notice shall be included in
simon 1:ac48b187213c 16 * all copies or substantial portions of the Software.
simon 2:227356c7d12c 17 *
simon 1:ac48b187213c 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
simon 1:ac48b187213c 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
simon 1:ac48b187213c 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
simon 1:ac48b187213c 21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
simon 1:ac48b187213c 22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
simon 1:ac48b187213c 23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
simon 1:ac48b187213c 24 * THE SOFTWARE.
simon 1:ac48b187213c 25 */
simon 1:ac48b187213c 26
simon 1:ac48b187213c 27 #ifndef MBED_TEXTLCD_H
simon 1:ac48b187213c 28 #define MBED_TEXTLCD_H
simon 1:ac48b187213c 29
simon 1:ac48b187213c 30 #include "mbed.h"
simon 2:227356c7d12c 31
Simon Ford 8:308d188a2d3a 32 /** A TextLCD interface for driving 4-bit HD44780-based LCDs
simon 2:227356c7d12c 33 *
simon 5:a53b3e2d6f1e 34 * Currently supports 16x2, 20x2 and 20x4 panels
simon 2:227356c7d12c 35 *
simon 2:227356c7d12c 36 * @code
simon 2:227356c7d12c 37 * #include "mbed.h"
simon 2:227356c7d12c 38 * #include "TextLCD.h"
simon 5:a53b3e2d6f1e 39 *
simon 7:44f34c09bd37 40 * TextLCD lcd(p10, p12, p15, p16, p29, p30); // rs, e, d4-d7
simon 5:a53b3e2d6f1e 41 *
simon 2:227356c7d12c 42 * int main() {
simon 2:227356c7d12c 43 * lcd.printf("Hello World!\n");
simon 2:227356c7d12c 44 * }
simon 2:227356c7d12c 45 * @endcode
simon 2:227356c7d12c 46 */
simon 1:ac48b187213c 47 class TextLCD : public Stream {
simon 1:ac48b187213c 48 public:
simon 1:ac48b187213c 49
simon 2:227356c7d12c 50 /** LCD panel format */
simon 1:ac48b187213c 51 enum LCDType {
simon 2:227356c7d12c 52 LCD16x2 /**< 16x2 LCD panel (default) */
simon 2:227356c7d12c 53 , LCD16x2B /**< 16x2 LCD panel alternate addressing */
simon 2:227356c7d12c 54 , LCD20x2 /**< 20x2 LCD panel */
simon 2:227356c7d12c 55 , LCD20x4 /**< 20x4 LCD panel */
simon 1:ac48b187213c 56 };
simon 1:ac48b187213c 57
simon 2:227356c7d12c 58 /** Create a TextLCD interface
simon 2:227356c7d12c 59 *
simon 2:227356c7d12c 60 * @param rs Instruction/data control line
simon 2:227356c7d12c 61 * @param e Enable line (clock)
simon 7:44f34c09bd37 62 * @param d4-d7 Data lines for using as a 4-bit interface
simon 2:227356c7d12c 63 * @param type Sets the panel size/addressing mode (default = LCD16x2)
simon 2:227356c7d12c 64 */
simon 7:44f34c09bd37 65 TextLCD(PinName rs, PinName e, PinName d4, PinName d5, PinName d6, PinName d7, LCDType type = LCD16x2);
simon 2:227356c7d12c 66
simon 2:227356c7d12c 67 #if DOXYGEN_ONLY
simon 2:227356c7d12c 68 /** Write a character to the LCD
simon 2:227356c7d12c 69 *
simon 2:227356c7d12c 70 * @param c The character to write to the display
simon 2:227356c7d12c 71 */
simon 2:227356c7d12c 72 int putc(int c);
simon 2:227356c7d12c 73
simon 2:227356c7d12c 74 /** Write a formated string to the LCD
simon 2:227356c7d12c 75 *
simon 2:227356c7d12c 76 * @param format A printf-style format string, followed by the
simon 2:227356c7d12c 77 * variables to use in formating the string.
simon 2:227356c7d12c 78 */
simon 2:227356c7d12c 79 int printf(const char* format, ...);
simon 2:227356c7d12c 80 #endif
simon 2:227356c7d12c 81
simon 2:227356c7d12c 82 /** Locate to a screen column and row
simon 2:227356c7d12c 83 *
simon 2:227356c7d12c 84 * @param column The horizontal position from the left, indexed from 0
simon 2:227356c7d12c 85 * @param row The vertical position from the top, indexed from 0
simon 2:227356c7d12c 86 */
simon 1:ac48b187213c 87 void locate(int column, int row);
simon 2:227356c7d12c 88
simon 2:227356c7d12c 89 /** Clear the screen and locate to 0,0 */
simon 1:ac48b187213c 90 void cls();
simon 2:227356c7d12c 91
simon 1:ac48b187213c 92 int rows();
simon 2:227356c7d12c 93 int columns();
simon 2:227356c7d12c 94
simon 1:ac48b187213c 95 protected:
simon 1:ac48b187213c 96
simon 1:ac48b187213c 97 // Stream implementation functions
simon 1:ac48b187213c 98 virtual int _putc(int value);
simon 1:ac48b187213c 99 virtual int _getc();
simon 1:ac48b187213c 100
simon 2:227356c7d12c 101 int address(int column, int row);
simon 2:227356c7d12c 102 void character(int column, int row, int c);
simon 1:ac48b187213c 103 void writeByte(int value);
simon 1:ac48b187213c 104 void writeCommand(int command);
simon 1:ac48b187213c 105 void writeData(int data);
simon 1:ac48b187213c 106
simon 1:ac48b187213c 107 DigitalOut _rs, _e;
simon 1:ac48b187213c 108 BusOut _d;
simon 1:ac48b187213c 109 LCDType _type;
simon 1:ac48b187213c 110
simon 1:ac48b187213c 111 int _column;
simon 1:ac48b187213c 112 int _row;
simon 1:ac48b187213c 113 };
simon 1:ac48b187213c 114
simon 1:ac48b187213c 115 #endif