testing n-bed

Dependencies:   mbed

Committer:
chalikias
Date:
Mon Apr 27 19:50:41 2015 +0000
Revision:
2:50bd6c03049b
Parent:
0:8cd63f1ec3c9
testing n-Bed LCD, RTC and ADC

Who changed what in which revision?

UserRevisionLine numberNew contents of line
chalikias 0:8cd63f1ec3c9 1 /* mbed TextLCD Library, for a 4-bit LCD based on HD44780
chalikias 0:8cd63f1ec3c9 2 * Copyright (c) 2007-2010, sford
chalikias 0:8cd63f1ec3c9 3 *
chalikias 0:8cd63f1ec3c9 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
chalikias 0:8cd63f1ec3c9 5 * of this software and associated documentation files (the "Software"), to deal
chalikias 0:8cd63f1ec3c9 6 * in the Software without restriction, including without limitation the rights
chalikias 0:8cd63f1ec3c9 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
chalikias 0:8cd63f1ec3c9 8 * copies of the Software, and to permit persons to whom the Software is
chalikias 0:8cd63f1ec3c9 9 * furnished to do so, subject to the following conditions:
chalikias 0:8cd63f1ec3c9 10 *
chalikias 0:8cd63f1ec3c9 11 * The above copyright notice and this permission notice shall be included in
chalikias 0:8cd63f1ec3c9 12 * all copies or substantial portions of the Software.
chalikias 0:8cd63f1ec3c9 13 *
chalikias 0:8cd63f1ec3c9 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
chalikias 0:8cd63f1ec3c9 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
chalikias 0:8cd63f1ec3c9 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
chalikias 0:8cd63f1ec3c9 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
chalikias 0:8cd63f1ec3c9 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
chalikias 0:8cd63f1ec3c9 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
chalikias 0:8cd63f1ec3c9 20 * THE SOFTWARE.
chalikias 0:8cd63f1ec3c9 21 */
chalikias 0:8cd63f1ec3c9 22
chalikias 0:8cd63f1ec3c9 23 #ifndef MBED_TEXTLCD_H
chalikias 0:8cd63f1ec3c9 24 #define MBED_TEXTLCD_H
chalikias 0:8cd63f1ec3c9 25
chalikias 0:8cd63f1ec3c9 26 #include "mbed.h"
chalikias 0:8cd63f1ec3c9 27
chalikias 0:8cd63f1ec3c9 28 /** A TextLCD interface for driving 4-bit HD44780-based LCDs
chalikias 0:8cd63f1ec3c9 29 *
chalikias 0:8cd63f1ec3c9 30 * Currently supports 16x2, 20x2 and 20x4 panels
chalikias 0:8cd63f1ec3c9 31 *
chalikias 0:8cd63f1ec3c9 32 * @code
chalikias 0:8cd63f1ec3c9 33 * #include "mbed.h"
chalikias 0:8cd63f1ec3c9 34 * #include "TextLCD.h"
chalikias 0:8cd63f1ec3c9 35 *
chalikias 0:8cd63f1ec3c9 36 * TextLCD lcd(p10, p12, p15, p16, p29, p30); // rs, e, d0-d3
chalikias 0:8cd63f1ec3c9 37 *
chalikias 0:8cd63f1ec3c9 38 * int main() {
chalikias 0:8cd63f1ec3c9 39 * lcd.printf("Hello World!\n");
chalikias 0:8cd63f1ec3c9 40 * }
chalikias 0:8cd63f1ec3c9 41 * @endcode
chalikias 0:8cd63f1ec3c9 42 */
chalikias 0:8cd63f1ec3c9 43 class TextLCD : public Stream {
chalikias 0:8cd63f1ec3c9 44 public:
chalikias 0:8cd63f1ec3c9 45
chalikias 0:8cd63f1ec3c9 46 /** LCD panel format */
chalikias 0:8cd63f1ec3c9 47 enum LCDType {
chalikias 0:8cd63f1ec3c9 48 LCD16x2 /**< 16x2 LCD panel (default) */
chalikias 0:8cd63f1ec3c9 49 , LCD16x2B /**< 16x2 LCD panel alternate addressing */
chalikias 0:8cd63f1ec3c9 50 , LCD20x2 /**< 20x2 LCD panel */
chalikias 0:8cd63f1ec3c9 51 , LCD20x4 /**< 20x4 LCD panel */
chalikias 0:8cd63f1ec3c9 52 };
chalikias 0:8cd63f1ec3c9 53
chalikias 0:8cd63f1ec3c9 54 /** Create a TextLCD interface
chalikias 0:8cd63f1ec3c9 55 *
chalikias 0:8cd63f1ec3c9 56 * @param rs Instruction/data control line
chalikias 0:8cd63f1ec3c9 57 * @param e Enable line (clock)
chalikias 0:8cd63f1ec3c9 58 * @param d0-d3 Data lines
chalikias 0:8cd63f1ec3c9 59 * @param type Sets the panel size/addressing mode (default = LCD16x2)
chalikias 0:8cd63f1ec3c9 60 */
chalikias 0:8cd63f1ec3c9 61 TextLCD(PinName rs, PinName e, PinName d0, PinName d1, PinName d2, PinName d3, LCDType type = LCD16x2);
chalikias 0:8cd63f1ec3c9 62
chalikias 0:8cd63f1ec3c9 63 #if DOXYGEN_ONLY
chalikias 0:8cd63f1ec3c9 64 /** Write a character to the LCD
chalikias 0:8cd63f1ec3c9 65 *
chalikias 0:8cd63f1ec3c9 66 * @param c The character to write to the display
chalikias 0:8cd63f1ec3c9 67 */
chalikias 0:8cd63f1ec3c9 68 int putc(int c);
chalikias 0:8cd63f1ec3c9 69
chalikias 0:8cd63f1ec3c9 70 /** Write a formated string to the LCD
chalikias 0:8cd63f1ec3c9 71 *
chalikias 0:8cd63f1ec3c9 72 * @param format A printf-style format string, followed by the
chalikias 0:8cd63f1ec3c9 73 * variables to use in formating the string.
chalikias 0:8cd63f1ec3c9 74 */
chalikias 0:8cd63f1ec3c9 75 int printf(const char* format, ...);
chalikias 0:8cd63f1ec3c9 76 #endif
chalikias 0:8cd63f1ec3c9 77
chalikias 0:8cd63f1ec3c9 78 /** Locate to a screen column and row
chalikias 0:8cd63f1ec3c9 79 *
chalikias 0:8cd63f1ec3c9 80 * @param column The horizontal position from the left, indexed from 0
chalikias 0:8cd63f1ec3c9 81 * @param row The vertical position from the top, indexed from 0
chalikias 0:8cd63f1ec3c9 82 */
chalikias 0:8cd63f1ec3c9 83 void locate(int column, int row);
chalikias 0:8cd63f1ec3c9 84
chalikias 0:8cd63f1ec3c9 85 /** Clear the screen and locate to 0,0 */
chalikias 0:8cd63f1ec3c9 86 void cls();
chalikias 0:8cd63f1ec3c9 87
chalikias 0:8cd63f1ec3c9 88 int rows();
chalikias 0:8cd63f1ec3c9 89 int columns();
chalikias 0:8cd63f1ec3c9 90
chalikias 0:8cd63f1ec3c9 91 protected:
chalikias 0:8cd63f1ec3c9 92
chalikias 0:8cd63f1ec3c9 93 // Stream implementation functions
chalikias 0:8cd63f1ec3c9 94 virtual int _putc(int value);
chalikias 0:8cd63f1ec3c9 95 virtual int _getc();
chalikias 0:8cd63f1ec3c9 96
chalikias 0:8cd63f1ec3c9 97 int address(int column, int row);
chalikias 0:8cd63f1ec3c9 98 void character(int column, int row, int c);
chalikias 0:8cd63f1ec3c9 99 void writeByte(int value);
chalikias 0:8cd63f1ec3c9 100 void writeCommand(int command);
chalikias 0:8cd63f1ec3c9 101 void writeData(int data);
chalikias 0:8cd63f1ec3c9 102
chalikias 0:8cd63f1ec3c9 103 DigitalOut _rs, _e;
chalikias 0:8cd63f1ec3c9 104 BusOut _d;
chalikias 0:8cd63f1ec3c9 105 LCDType _type;
chalikias 0:8cd63f1ec3c9 106
chalikias 0:8cd63f1ec3c9 107 int _column;
chalikias 0:8cd63f1ec3c9 108 int _row;
chalikias 0:8cd63f1ec3c9 109 };
chalikias 0:8cd63f1ec3c9 110
chalikias 0:8cd63f1ec3c9 111 #endif