Vinícius Alves / Mbed 2 deprecated MenuLCD_copy

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Dependencies:   MenuLCD mbed

menbed/displays/include/menbedDisplayHD44780.h@0:92357d1220f3, 2017-05-19 (annotated)

Committer:
ViniR
Date:
Fri May 19 13:07:52 2017 +0000
Revision:
0:92357d1220f3
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ViniR 0:92357d1220f3 1 /* This code based on mbed TextLCD Library, for a 4-bit LCD based on HD44780,
ViniR 0:92357d1220f3 2 * Copyright (c) 2007-2010, sford, http://mbed.org
ViniR 0:92357d1220f3 3 *
ViniR 0:92357d1220f3 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
ViniR 0:92357d1220f3 5 * of this software and associated documentation files (the "Software"), to deal
ViniR 0:92357d1220f3 6 * in the Software without restriction, including without limitation the rights
ViniR 0:92357d1220f3 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
ViniR 0:92357d1220f3 8 * copies of the Software, and to permit persons to whom the Software is
ViniR 0:92357d1220f3 9 * furnished to do so, subject to the following conditions:
ViniR 0:92357d1220f3 10 *
ViniR 0:92357d1220f3 11 * The above copyright notice and this permission notice shall be included in
ViniR 0:92357d1220f3 12 * all copies or substantial portions of the Software.
ViniR 0:92357d1220f3 13 *
ViniR 0:92357d1220f3 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
ViniR 0:92357d1220f3 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
ViniR 0:92357d1220f3 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
ViniR 0:92357d1220f3 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
ViniR 0:92357d1220f3 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
ViniR 0:92357d1220f3 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
ViniR 0:92357d1220f3 20 * THE SOFTWARE.
ViniR 0:92357d1220f3 21 */
ViniR 0:92357d1220f3 22
ViniR 0:92357d1220f3 23 #ifndef _MENBEDDISPLAYHD44780_H_
ViniR 0:92357d1220f3 24 #define _MENBEDDISPLAYHD44780_H_
ViniR 0:92357d1220f3 25
ViniR 0:92357d1220f3 26 #include "mbed.h"
ViniR 0:92357d1220f3 27 #include "menbedDisplay.h"
ViniR 0:92357d1220f3 28
ViniR 0:92357d1220f3 29 class MenbedDisplayHD44780 : public MenbedDisplay {
ViniR 0:92357d1220f3 30 public:
ViniR 0:92357d1220f3 31
ViniR 0:92357d1220f3 32 /** LCD panel format */
ViniR 0:92357d1220f3 33 enum LCDSize {
ViniR 0:92357d1220f3 34 LCD16x2, /**< 16x2 LCD panel */
ViniR 0:92357d1220f3 35 LCD16x2B, /**< 16x2 LCD panel alternate addressing */
ViniR 0:92357d1220f3 36 LCD20x2, /**< 20x2 LCD panel */
ViniR 0:92357d1220f3 37 LCD20x4, /**< 20x4 LCD panel (default) */
ViniR 0:92357d1220f3 38 };
ViniR 0:92357d1220f3 39
ViniR 0:92357d1220f3 40 MenbedDisplayHD44780 (PinName rs, PinName e, PinName d4, PinName d5, PinName d6, PinName d7, LCDSize size = LCD20x4);
ViniR 0:92357d1220f3 41
ViniR 0:92357d1220f3 42 virtual bool writeLine (const char *line, uint8_t row);
ViniR 0:92357d1220f3 43 virtual void showUpArrow (bool show);
ViniR 0:92357d1220f3 44 virtual void showDownArrow (bool show);
ViniR 0:92357d1220f3 45 virtual uint8_t getLines (void);
ViniR 0:92357d1220f3 46 virtual uint8_t getLineLength (void);
ViniR 0:92357d1220f3 47
ViniR 0:92357d1220f3 48 protected:
ViniR 0:92357d1220f3 49 enum ArrowSelectorChar {
ViniR 0:92357d1220f3 50 CharUP,
ViniR 0:92357d1220f3 51 CharUP_SELECT,
ViniR 0:92357d1220f3 52 CharSELECT,
ViniR 0:92357d1220f3 53 CharDOWN_SELECT,
ViniR 0:92357d1220f3 54 CharDOWN
ViniR 0:92357d1220f3 55 };
ViniR 0:92357d1220f3 56
ViniR 0:92357d1220f3 57 DigitalOut rs, e;
ViniR 0:92357d1220f3 58 BusOut d;
ViniR 0:92357d1220f3 59 LCDSize size;
ViniR 0:92357d1220f3 60
ViniR 0:92357d1220f3 61 bool upArrowVisible, downArrowVisible;
ViniR 0:92357d1220f3 62 bool topLineSelected, bottomLineSelected;
ViniR 0:92357d1220f3 63 int cursorCol, cursorRow;
ViniR 0:92357d1220f3 64
ViniR 0:92357d1220f3 65 bool gotoPosition(int row, int column);
ViniR 0:92357d1220f3 66 void clear();
ViniR 0:92357d1220f3 67 void cursorOn();
ViniR 0:92357d1220f3 68 void cursorOff();
ViniR 0:92357d1220f3 69
ViniR 0:92357d1220f3 70 int address(int column, int row);
ViniR 0:92357d1220f3 71 void writeByte(int value);
ViniR 0:92357d1220f3 72 void writeCommand(int command);
ViniR 0:92357d1220f3 73 void writeData(int data);
ViniR 0:92357d1220f3 74 void loadCustomChars(void);
ViniR 0:92357d1220f3 75 int rows();
ViniR 0:92357d1220f3 76 int columns();
ViniR 0:92357d1220f3 77 };
ViniR 0:92357d1220f3 78
ViniR 0:92357d1220f3 79 #endif /* _MENBEDDISPLAYHD44780_H_ */