Driver for a 128x64 pixels graphic LCD panel based on a KS0723 driver from Samsung.
LcdKs0723.h@0:6c80c61bbc6a, 2011-02-20 (annotated)
- Committer:
- hilgo
- Date:
- Sun Feb 20 12:01:57 2011 +0000
- Revision:
- 0:6c80c61bbc6a
Initial revision; tested with example code.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
hilgo | 0:6c80c61bbc6a | 1 | /* mbed Samsung LCD Library, for a samsung KS0723 based 128x64 black/white lcd panel. |
hilgo | 0:6c80c61bbc6a | 2 | * Copyright (c) 2011, Jeroen Hilgers |
hilgo | 0:6c80c61bbc6a | 3 | * |
hilgo | 0:6c80c61bbc6a | 4 | * I based the interface on the LCD libraries by Simon Ford, to obtain compatibility |
hilgo | 0:6c80c61bbc6a | 5 | * between different displays. I used TextLCD as an example to implement the |
hilgo | 0:6c80c61bbc6a | 6 | * : public Steam part of this library. |
hilgo | 0:6c80c61bbc6a | 7 | * |
hilgo | 0:6c80c61bbc6a | 8 | * |
hilgo | 0:6c80c61bbc6a | 9 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
hilgo | 0:6c80c61bbc6a | 10 | * of this software and associated documentation files (the "Software"), to deal |
hilgo | 0:6c80c61bbc6a | 11 | * in the Software without restriction, including without limitation the rights |
hilgo | 0:6c80c61bbc6a | 12 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
hilgo | 0:6c80c61bbc6a | 13 | * copies of the Software, and to permit persons to whom the Software is |
hilgo | 0:6c80c61bbc6a | 14 | * furnished to do so, subject to the following conditions: |
hilgo | 0:6c80c61bbc6a | 15 | * |
hilgo | 0:6c80c61bbc6a | 16 | * The above copyright notice and this permission notice shall be included in |
hilgo | 0:6c80c61bbc6a | 17 | * all copies or substantial portions of the Software. |
hilgo | 0:6c80c61bbc6a | 18 | * |
hilgo | 0:6c80c61bbc6a | 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
hilgo | 0:6c80c61bbc6a | 20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
hilgo | 0:6c80c61bbc6a | 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
hilgo | 0:6c80c61bbc6a | 22 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
hilgo | 0:6c80c61bbc6a | 23 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
hilgo | 0:6c80c61bbc6a | 24 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
hilgo | 0:6c80c61bbc6a | 25 | * THE SOFTWARE. |
hilgo | 0:6c80c61bbc6a | 26 | */ |
hilgo | 0:6c80c61bbc6a | 27 | |
hilgo | 0:6c80c61bbc6a | 28 | |
hilgo | 0:6c80c61bbc6a | 29 | #ifndef MBED_SAMSUNG_LCD_H |
hilgo | 0:6c80c61bbc6a | 30 | #define MBED_SAMSUNG_LCD_H |
hilgo | 0:6c80c61bbc6a | 31 | |
hilgo | 0:6c80c61bbc6a | 32 | #include "mbed.h" |
hilgo | 0:6c80c61bbc6a | 33 | |
hilgo | 0:6c80c61bbc6a | 34 | /** LcdKs0723 class. Provides an interface compatible with |
hilgo | 0:6c80c61bbc6a | 35 | ** other display libraries by Simon Ford on www.mbed.org. |
hilgo | 0:6c80c61bbc6a | 36 | * |
hilgo | 0:6c80c61bbc6a | 37 | * Example: |
hilgo | 0:6c80c61bbc6a | 38 | * @code |
hilgo | 0:6c80c61bbc6a | 39 | * #include "mbed.h" |
hilgo | 0:6c80c61bbc6a | 40 | * #include "LcdKs0723.h" |
hilgo | 0:6c80c61bbc6a | 41 | * |
hilgo | 0:6c80c61bbc6a | 42 | * LcdKs0723 lcd(p28, p10, p27, p19, p25, p15, p24, p16, p23, p17, p22, p18); |
hilgo | 0:6c80c61bbc6a | 43 | * |
hilgo | 0:6c80c61bbc6a | 44 | * int main() |
hilgo | 0:6c80c61bbc6a | 45 | * { |
hilgo | 0:6c80c61bbc6a | 46 | * lcd.printf("KS0723 LCD Display driver.\n"); |
hilgo | 0:6c80c61bbc6a | 47 | * lcd.printf("Float: %1.3f\n", 1.375f); |
hilgo | 0:6c80c61bbc6a | 48 | * lcd.printf("Hex: 0x%04X\n", 0xB12); |
hilgo | 0:6c80c61bbc6a | 49 | * while(1) |
hilgo | 0:6c80c61bbc6a | 50 | * { |
hilgo | 0:6c80c61bbc6a | 51 | * } |
hilgo | 0:6c80c61bbc6a | 52 | * } |
hilgo | 0:6c80c61bbc6a | 53 | * @endcode |
hilgo | 0:6c80c61bbc6a | 54 | */ |
hilgo | 0:6c80c61bbc6a | 55 | |
hilgo | 0:6c80c61bbc6a | 56 | class LcdKs0723 : public Stream |
hilgo | 0:6c80c61bbc6a | 57 | { |
hilgo | 0:6c80c61bbc6a | 58 | public: |
hilgo | 0:6c80c61bbc6a | 59 | /** Create a LcdKs0723 interface |
hilgo | 0:6c80c61bbc6a | 60 | * |
hilgo | 0:6c80c61bbc6a | 61 | * @param reset Reset line |
hilgo | 0:6c80c61bbc6a | 62 | * @param rs RS line |
hilgo | 0:6c80c61bbc6a | 63 | * @param write Write line |
hilgo | 0:6c80c61bbc6a | 64 | * @param read Read line |
hilgo | 0:6c80c61bbc6a | 65 | * @param d0-d7 Data lines |
hilgo | 0:6c80c61bbc6a | 66 | */ |
hilgo | 0:6c80c61bbc6a | 67 | LcdKs0723(PinName reset, PinName rs, PinName write, PinName read, PinName d0, PinName d1, |
hilgo | 0:6c80c61bbc6a | 68 | PinName d2, PinName d3, PinName d4, PinName d5, PinName d6, PinName d7); |
hilgo | 0:6c80c61bbc6a | 69 | |
hilgo | 0:6c80c61bbc6a | 70 | #if DOXYGEN_ONLY |
hilgo | 0:6c80c61bbc6a | 71 | /** Write a character to the LCD |
hilgo | 0:6c80c61bbc6a | 72 | * |
hilgo | 0:6c80c61bbc6a | 73 | * @param c The character to write to the display |
hilgo | 0:6c80c61bbc6a | 74 | */ |
hilgo | 0:6c80c61bbc6a | 75 | int putc(int c); |
hilgo | 0:6c80c61bbc6a | 76 | |
hilgo | 0:6c80c61bbc6a | 77 | /** Write a formated string to the LCD |
hilgo | 0:6c80c61bbc6a | 78 | * |
hilgo | 0:6c80c61bbc6a | 79 | * @param format A printf-style format string, followed by the |
hilgo | 0:6c80c61bbc6a | 80 | * variables to use in formating the string. |
hilgo | 0:6c80c61bbc6a | 81 | */ |
hilgo | 0:6c80c61bbc6a | 82 | int printf(const char* format, ...); |
hilgo | 0:6c80c61bbc6a | 83 | #endif |
hilgo | 0:6c80c61bbc6a | 84 | |
hilgo | 0:6c80c61bbc6a | 85 | /** Locate to a screen column and row |
hilgo | 0:6c80c61bbc6a | 86 | * |
hilgo | 0:6c80c61bbc6a | 87 | * @param column The horizontal position from the left, indexed from 0 |
hilgo | 0:6c80c61bbc6a | 88 | * @param row The vertical position from the top, indexed from 0 |
hilgo | 0:6c80c61bbc6a | 89 | */ |
hilgo | 0:6c80c61bbc6a | 90 | void locate(int column, int row); |
hilgo | 0:6c80c61bbc6a | 91 | |
hilgo | 0:6c80c61bbc6a | 92 | /** Clear the screen and locate to 0,0 */ |
hilgo | 0:6c80c61bbc6a | 93 | void cls(); |
hilgo | 0:6c80c61bbc6a | 94 | |
hilgo | 0:6c80c61bbc6a | 95 | private: |
hilgo | 0:6c80c61bbc6a | 96 | DigitalOut mReset, mRs, mWrite, mRead; |
hilgo | 0:6c80c61bbc6a | 97 | BusInOut mData; |
hilgo | 0:6c80c61bbc6a | 98 | int mRow; |
hilgo | 0:6c80c61bbc6a | 99 | int mCol; |
hilgo | 0:6c80c61bbc6a | 100 | |
hilgo | 0:6c80c61bbc6a | 101 | uint8_t ReadData (void); |
hilgo | 0:6c80c61bbc6a | 102 | void WriteData (uint8_t value); |
hilgo | 0:6c80c61bbc6a | 103 | uint8_t ReadStatus(void); |
hilgo | 0:6c80c61bbc6a | 104 | void WriteControl(uint8_t value); |
hilgo | 0:6c80c61bbc6a | 105 | |
hilgo | 0:6c80c61bbc6a | 106 | // Character definition. |
hilgo | 0:6c80c61bbc6a | 107 | static const uint8_t mFont5x7[]; |
hilgo | 0:6c80c61bbc6a | 108 | |
hilgo | 0:6c80c61bbc6a | 109 | protected: |
hilgo | 0:6c80c61bbc6a | 110 | // Stream implementation functions. |
hilgo | 0:6c80c61bbc6a | 111 | virtual int _putc(int value); |
hilgo | 0:6c80c61bbc6a | 112 | virtual int _getc() {return -1;} |
hilgo | 0:6c80c61bbc6a | 113 | }; |
hilgo | 0:6c80c61bbc6a | 114 | |
hilgo | 0:6c80c61bbc6a | 115 | #endif |