hattori&ide

Dependencies:   mbed

Committer:
hattori_atsushi
Date:
Sun Dec 18 08:16:01 2022 +0000
Revision:
0:f77369cabd75
hattori

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hattori_atsushi 0:f77369cabd75 1 /* mbed TextOLED Library, for a 4-bit LCD based on Winstar WEH000000 series
hattori_atsushi 0:f77369cabd75 2 * Originl: http://mbed.org/users/simon/libraries/TextLCD/latest
hattori_atsushi 0:f77369cabd75 3 * Modified by Suga
hattori_atsushi 0:f77369cabd75 4 */
hattori_atsushi 0:f77369cabd75 5 /* mbed TextLCD Library, for a 4-bit LCD based on HD44780
hattori_atsushi 0:f77369cabd75 6 * Copyright (c) 2007-2010, sford, http://mbed.org
hattori_atsushi 0:f77369cabd75 7 *
hattori_atsushi 0:f77369cabd75 8 * Permission is hereby granted, free of charge, to any person obtaining a copy
hattori_atsushi 0:f77369cabd75 9 * of this software and associated documentation files (the "Software"), to deal
hattori_atsushi 0:f77369cabd75 10 * in the Software without restriction, including without limitation the rights
hattori_atsushi 0:f77369cabd75 11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
hattori_atsushi 0:f77369cabd75 12 * copies of the Software, and to permit persons to whom the Software is
hattori_atsushi 0:f77369cabd75 13 * furnished to do so, subject to the following conditions:
hattori_atsushi 0:f77369cabd75 14 *
hattori_atsushi 0:f77369cabd75 15 * The above copyright notice and this permission notice shall be included in
hattori_atsushi 0:f77369cabd75 16 * all copies or substantial portions of the Software.
hattori_atsushi 0:f77369cabd75 17 *
hattori_atsushi 0:f77369cabd75 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
hattori_atsushi 0:f77369cabd75 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
hattori_atsushi 0:f77369cabd75 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
hattori_atsushi 0:f77369cabd75 21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
hattori_atsushi 0:f77369cabd75 22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
hattori_atsushi 0:f77369cabd75 23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
hattori_atsushi 0:f77369cabd75 24 * THE SOFTWARE.
hattori_atsushi 0:f77369cabd75 25 */
hattori_atsushi 0:f77369cabd75 26
hattori_atsushi 0:f77369cabd75 27 #ifndef MBED_TEXTOLED_H
hattori_atsushi 0:f77369cabd75 28 #define MBED_TEXTOLED_H
hattori_atsushi 0:f77369cabd75 29
hattori_atsushi 0:f77369cabd75 30 #include "mbed.h"
hattori_atsushi 0:f77369cabd75 31
hattori_atsushi 0:f77369cabd75 32 /** A TextOLED interface for driving 4-bit HD44780-based LCDs
hattori_atsushi 0:f77369cabd75 33 *
hattori_atsushi 0:f77369cabd75 34 * Currently supports 16x2, 20x2 and 20x4 panels
hattori_atsushi 0:f77369cabd75 35 *
hattori_atsushi 0:f77369cabd75 36 * @code
hattori_atsushi 0:f77369cabd75 37 * #include "mbed.h"
hattori_atsushi 0:f77369cabd75 38 * #include "TextOLED.h"
hattori_atsushi 0:f77369cabd75 39 *
hattori_atsushi 0:f77369cabd75 40 * TextOLED lcd(p10, p12, p15, p16, p29, p30); // rs, e, d4-d7
hattori_atsushi 0:f77369cabd75 41 *
hattori_atsushi 0:f77369cabd75 42 * int main() {
hattori_atsushi 0:f77369cabd75 43 * lcd.printf("Hello World!\n");
hattori_atsushi 0:f77369cabd75 44 * }
hattori_atsushi 0:f77369cabd75 45 * @endcode
hattori_atsushi 0:f77369cabd75 46 */
hattori_atsushi 0:f77369cabd75 47 class TextOLED : public Stream {
hattori_atsushi 0:f77369cabd75 48 public:
hattori_atsushi 0:f77369cabd75 49
hattori_atsushi 0:f77369cabd75 50 /** LCD panel format */
hattori_atsushi 0:f77369cabd75 51 enum LCDType {
hattori_atsushi 0:f77369cabd75 52 LCD16x2 /**< 16x2 LCD panel (default) */
hattori_atsushi 0:f77369cabd75 53 , LCD16x2B /**< 16x2 LCD panel alternate addressing */
hattori_atsushi 0:f77369cabd75 54 , LCD20x2 /**< 20x2 LCD panel */
hattori_atsushi 0:f77369cabd75 55 , LCD20x4 /**< 20x4 LCD panel */
hattori_atsushi 0:f77369cabd75 56 , LCD8x2 /**< 8x4 LCD panel */
hattori_atsushi 0:f77369cabd75 57 };
hattori_atsushi 0:f77369cabd75 58
hattori_atsushi 0:f77369cabd75 59 /** Create a TextOLED interface
hattori_atsushi 0:f77369cabd75 60 *
hattori_atsushi 0:f77369cabd75 61 * @param rs Instruction/data control line
hattori_atsushi 0:f77369cabd75 62 * @param e Enable line (clock)
hattori_atsushi 0:f77369cabd75 63 * @param d4-d7 Data lines for using as a 4-bit interface
hattori_atsushi 0:f77369cabd75 64 * @param type Sets the panel size/addressing mode (default = LCD16x2)
hattori_atsushi 0:f77369cabd75 65 */
hattori_atsushi 0:f77369cabd75 66 TextOLED(PinName rs, PinName e, PinName d4, PinName d5, PinName d6, PinName d7, LCDType type = LCD16x2);
hattori_atsushi 0:f77369cabd75 67
hattori_atsushi 0:f77369cabd75 68 #if DOXYGEN_ONLY
hattori_atsushi 0:f77369cabd75 69 /** Write a character to the LCD
hattori_atsushi 0:f77369cabd75 70 *
hattori_atsushi 0:f77369cabd75 71 * @param c The character to write to the display
hattori_atsushi 0:f77369cabd75 72 */
hattori_atsushi 0:f77369cabd75 73 int putc(int c);
hattori_atsushi 0:f77369cabd75 74
hattori_atsushi 0:f77369cabd75 75 /** Write a formated string to the LCD
hattori_atsushi 0:f77369cabd75 76 *
hattori_atsushi 0:f77369cabd75 77 * @param format A printf-style format string, followed by the
hattori_atsushi 0:f77369cabd75 78 * variables to use in formating the string.
hattori_atsushi 0:f77369cabd75 79 */
hattori_atsushi 0:f77369cabd75 80 int printf(const char* format, ...);
hattori_atsushi 0:f77369cabd75 81 #endif
hattori_atsushi 0:f77369cabd75 82
hattori_atsushi 0:f77369cabd75 83 /** Locate to a screen column and row
hattori_atsushi 0:f77369cabd75 84 *
hattori_atsushi 0:f77369cabd75 85 * @param column The horizontal position from the left, indexed from 0
hattori_atsushi 0:f77369cabd75 86 * @param row The vertical position from the top, indexed from 0
hattori_atsushi 0:f77369cabd75 87 */
hattori_atsushi 0:f77369cabd75 88 void locate(int column, int row);
hattori_atsushi 0:f77369cabd75 89
hattori_atsushi 0:f77369cabd75 90 /** Clear the screen and locate to 0,0 */
hattori_atsushi 0:f77369cabd75 91 void cls();
hattori_atsushi 0:f77369cabd75 92
hattori_atsushi 0:f77369cabd75 93 int rows();
hattori_atsushi 0:f77369cabd75 94 int columns();
hattori_atsushi 0:f77369cabd75 95
hattori_atsushi 0:f77369cabd75 96 void cursor (bool flg);
hattori_atsushi 0:f77369cabd75 97
hattori_atsushi 0:f77369cabd75 98 protected:
hattori_atsushi 0:f77369cabd75 99
hattori_atsushi 0:f77369cabd75 100 // Stream implementation functions
hattori_atsushi 0:f77369cabd75 101 virtual int _putc(int value);
hattori_atsushi 0:f77369cabd75 102 virtual int _getc();
hattori_atsushi 0:f77369cabd75 103
hattori_atsushi 0:f77369cabd75 104 int address(int column, int row);
hattori_atsushi 0:f77369cabd75 105 void character(int column, int row, int c);
hattori_atsushi 0:f77369cabd75 106 void write4bit(int value);
hattori_atsushi 0:f77369cabd75 107 void writeByte(int value);
hattori_atsushi 0:f77369cabd75 108 void writeCommand(int command);
hattori_atsushi 0:f77369cabd75 109 void writeData(int data);
hattori_atsushi 0:f77369cabd75 110
hattori_atsushi 0:f77369cabd75 111 DigitalOut _rs, _e;
hattori_atsushi 0:f77369cabd75 112 BusOut _d;
hattori_atsushi 0:f77369cabd75 113 LCDType _type;
hattori_atsushi 0:f77369cabd75 114
hattori_atsushi 0:f77369cabd75 115 int _column;
hattori_atsushi 0:f77369cabd75 116 int _row;
hattori_atsushi 0:f77369cabd75 117 };
hattori_atsushi 0:f77369cabd75 118
hattori_atsushi 0:f77369cabd75 119 #endif