Shinichiro Nakamura
StarBoard Orange - Example application No.1 GoogleChartLogger with StarBoard Orange
Dependencies: EthernetNetIf mbed
extlib/TextLCD.h@1:123eff9ba7b2, 2010-08-11 (annotated)
- Committer:
- shintamainjp
- Date:
- Wed Aug 11 10:24:25 2010 +0000
- Revision:
- 1:123eff9ba7b2
- Parent:
- 0:77d8b45a8f42
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| shintamainjp | 0:77d8b45a8f42 | 1 | /* mbed TextLCD Library, for a 4-bit LCD based on HD44780 |
| shintamainjp | 0:77d8b45a8f42 | 2 | * Copyright (c) 2007-2010, sford |
| shintamainjp | 0:77d8b45a8f42 | 3 | * |
| shintamainjp | 0:77d8b45a8f42 | 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| shintamainjp | 0:77d8b45a8f42 | 5 | * of this software and associated documentation files (the "Software"), to deal |
| shintamainjp | 0:77d8b45a8f42 | 6 | * in the Software without restriction, including without limitation the rights |
| shintamainjp | 0:77d8b45a8f42 | 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| shintamainjp | 0:77d8b45a8f42 | 8 | * copies of the Software, and to permit persons to whom the Software is |
| shintamainjp | 0:77d8b45a8f42 | 9 | * furnished to do so, subject to the following conditions: |
| shintamainjp | 0:77d8b45a8f42 | 10 | * |
| shintamainjp | 0:77d8b45a8f42 | 11 | * The above copyright notice and this permission notice shall be included in |
| shintamainjp | 0:77d8b45a8f42 | 12 | * all copies or substantial portions of the Software. |
| shintamainjp | 0:77d8b45a8f42 | 13 | * |
| shintamainjp | 0:77d8b45a8f42 | 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| shintamainjp | 0:77d8b45a8f42 | 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| shintamainjp | 0:77d8b45a8f42 | 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| shintamainjp | 0:77d8b45a8f42 | 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| shintamainjp | 0:77d8b45a8f42 | 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| shintamainjp | 0:77d8b45a8f42 | 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| shintamainjp | 0:77d8b45a8f42 | 20 | * THE SOFTWARE. |
| shintamainjp | 0:77d8b45a8f42 | 21 | */ |
| shintamainjp | 0:77d8b45a8f42 | 22 | |
| shintamainjp | 0:77d8b45a8f42 | 23 | /* |
| shintamainjp | 0:77d8b45a8f42 | 24 | * Modified for star board orange by Shinichiro Nakamura. (CuBeatSystems) |
| shintamainjp | 0:77d8b45a8f42 | 25 | * |
| shintamainjp | 0:77d8b45a8f42 | 26 | * ID : shintamainjp |
| shintamainjp | 0:77d8b45a8f42 | 27 | * Added : RW- |
| shintamainjp | 0:77d8b45a8f42 | 28 | */ |
| shintamainjp | 0:77d8b45a8f42 | 29 | |
| shintamainjp | 0:77d8b45a8f42 | 30 | #ifndef MBED_TEXTLCD_H |
| shintamainjp | 0:77d8b45a8f42 | 31 | #define MBED_TEXTLCD_H |
| shintamainjp | 0:77d8b45a8f42 | 32 | |
| shintamainjp | 0:77d8b45a8f42 | 33 | #include "mbed.h" |
| shintamainjp | 0:77d8b45a8f42 | 34 | |
| shintamainjp | 0:77d8b45a8f42 | 35 | /** A TextLCD interface for driving 4-bit HD44780-based LCDs |
| shintamainjp | 0:77d8b45a8f42 | 36 | * |
| shintamainjp | 0:77d8b45a8f42 | 37 | * Currently supports 16x2, 20x2 and 20x4 panels |
| shintamainjp | 0:77d8b45a8f42 | 38 | * |
| shintamainjp | 0:77d8b45a8f42 | 39 | * @code |
| shintamainjp | 0:77d8b45a8f42 | 40 | * #include "mbed.h" |
| shintamainjp | 0:77d8b45a8f42 | 41 | * #include "TextLCD.h" |
| shintamainjp | 0:77d8b45a8f42 | 42 | * |
| shintamainjp | 0:77d8b45a8f42 | 43 | * TextLCD lcd(p10, p12, p15, p16, p29, p30); // rs, e, d0-d3 |
| shintamainjp | 0:77d8b45a8f42 | 44 | * |
| shintamainjp | 0:77d8b45a8f42 | 45 | * int main() { |
| shintamainjp | 0:77d8b45a8f42 | 46 | * lcd.printf("Hello World!\n"); |
| shintamainjp | 0:77d8b45a8f42 | 47 | * } |
| shintamainjp | 0:77d8b45a8f42 | 48 | * @endcode |
| shintamainjp | 0:77d8b45a8f42 | 49 | */ |
| shintamainjp | 0:77d8b45a8f42 | 50 | class TextLCD : public Stream { |
| shintamainjp | 0:77d8b45a8f42 | 51 | public: |
| shintamainjp | 0:77d8b45a8f42 | 52 | |
| shintamainjp | 0:77d8b45a8f42 | 53 | /** LCD panel format */ |
| shintamainjp | 0:77d8b45a8f42 | 54 | enum LCDType { |
| shintamainjp | 0:77d8b45a8f42 | 55 | LCD16x2 /**< 16x2 LCD panel (default) */ |
| shintamainjp | 0:77d8b45a8f42 | 56 | , LCD16x2B /**< 16x2 LCD panel alternate addressing */ |
| shintamainjp | 0:77d8b45a8f42 | 57 | , LCD20x2 /**< 20x2 LCD panel */ |
| shintamainjp | 0:77d8b45a8f42 | 58 | , LCD20x4 /**< 20x4 LCD panel */ |
| shintamainjp | 0:77d8b45a8f42 | 59 | }; |
| shintamainjp | 0:77d8b45a8f42 | 60 | |
| shintamainjp | 0:77d8b45a8f42 | 61 | /** Create a TextLCD interface |
| shintamainjp | 0:77d8b45a8f42 | 62 | * |
| shintamainjp | 0:77d8b45a8f42 | 63 | * @param rs Instruction/data control line. |
| shintamainjp | 0:77d8b45a8f42 | 64 | * @param rw Read/Write- control line. |
| shintamainjp | 0:77d8b45a8f42 | 65 | * @param e Enable line (clock) |
| shintamainjp | 0:77d8b45a8f42 | 66 | * @param d0-d3 Data lines |
| shintamainjp | 0:77d8b45a8f42 | 67 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
| shintamainjp | 0:77d8b45a8f42 | 68 | */ |
| shintamainjp | 0:77d8b45a8f42 | 69 | TextLCD(PinName rs, PinName rw, PinName e, PinName d0, PinName d1, PinName d2, PinName d3, LCDType type = LCD16x2); |
| shintamainjp | 0:77d8b45a8f42 | 70 | |
| shintamainjp | 0:77d8b45a8f42 | 71 | #if DOXYGEN_ONLY |
| shintamainjp | 0:77d8b45a8f42 | 72 | /** Write a character to the LCD |
| shintamainjp | 0:77d8b45a8f42 | 73 | * |
| shintamainjp | 0:77d8b45a8f42 | 74 | * @param c The character to write to the display |
| shintamainjp | 0:77d8b45a8f42 | 75 | */ |
| shintamainjp | 0:77d8b45a8f42 | 76 | int putc(int c); |
| shintamainjp | 0:77d8b45a8f42 | 77 | |
| shintamainjp | 0:77d8b45a8f42 | 78 | /** Write a formated string to the LCD |
| shintamainjp | 0:77d8b45a8f42 | 79 | * |
| shintamainjp | 0:77d8b45a8f42 | 80 | * @param format A printf-style format string, followed by the |
| shintamainjp | 0:77d8b45a8f42 | 81 | * variables to use in formating the string. |
| shintamainjp | 0:77d8b45a8f42 | 82 | */ |
| shintamainjp | 0:77d8b45a8f42 | 83 | int printf(const char* format, ...); |
| shintamainjp | 0:77d8b45a8f42 | 84 | #endif |
| shintamainjp | 0:77d8b45a8f42 | 85 | |
| shintamainjp | 0:77d8b45a8f42 | 86 | /** Locate to a screen column and row |
| shintamainjp | 0:77d8b45a8f42 | 87 | * |
| shintamainjp | 0:77d8b45a8f42 | 88 | * @param column The horizontal position from the left, indexed from 0 |
| shintamainjp | 0:77d8b45a8f42 | 89 | * @param row The vertical position from the top, indexed from 0 |
| shintamainjp | 0:77d8b45a8f42 | 90 | */ |
| shintamainjp | 0:77d8b45a8f42 | 91 | void locate(int column, int row); |
| shintamainjp | 0:77d8b45a8f42 | 92 | |
| shintamainjp | 0:77d8b45a8f42 | 93 | /** Clear the screen and locate to 0,0 */ |
| shintamainjp | 0:77d8b45a8f42 | 94 | void cls(); |
| shintamainjp | 0:77d8b45a8f42 | 95 | |
| shintamainjp | 0:77d8b45a8f42 | 96 | int rows(); |
| shintamainjp | 0:77d8b45a8f42 | 97 | int columns(); |
| shintamainjp | 0:77d8b45a8f42 | 98 | |
| shintamainjp | 0:77d8b45a8f42 | 99 | protected: |
| shintamainjp | 0:77d8b45a8f42 | 100 | |
| shintamainjp | 0:77d8b45a8f42 | 101 | // Stream implementation functions |
| shintamainjp | 0:77d8b45a8f42 | 102 | virtual int _putc(int value); |
| shintamainjp | 0:77d8b45a8f42 | 103 | virtual int _getc(); |
| shintamainjp | 0:77d8b45a8f42 | 104 | |
| shintamainjp | 0:77d8b45a8f42 | 105 | int address(int column, int row); |
| shintamainjp | 0:77d8b45a8f42 | 106 | void character(int column, int row, int c); |
| shintamainjp | 0:77d8b45a8f42 | 107 | void writeByte(int value); |
| shintamainjp | 0:77d8b45a8f42 | 108 | void writeCommand(int command); |
| shintamainjp | 0:77d8b45a8f42 | 109 | void writeData(int data); |
| shintamainjp | 0:77d8b45a8f42 | 110 | |
| shintamainjp | 0:77d8b45a8f42 | 111 | DigitalOut _rs, _rw, _e; |
| shintamainjp | 0:77d8b45a8f42 | 112 | BusOut _d; |
| shintamainjp | 0:77d8b45a8f42 | 113 | LCDType _type; |
| shintamainjp | 0:77d8b45a8f42 | 114 | |
| shintamainjp | 0:77d8b45a8f42 | 115 | int _column; |
| shintamainjp | 0:77d8b45a8f42 | 116 | int _row; |
| shintamainjp | 0:77d8b45a8f42 | 117 | }; |
| shintamainjp | 0:77d8b45a8f42 | 118 | |
| shintamainjp | 0:77d8b45a8f42 | 119 | #endif |