This is a code which generates the various zoomed versions of an image stored in an SD card and displays it on a Nokia LCD based on the keys pressed on a capacitive touch pad.
Dependencies: FatFileSystem mbed
Fork of Lab3 by
NokiaLCD/NokiaLCD.h@1:6048138606a0, 2012-10-11 (annotated)
- Committer:
- abarve9
- Date:
- Thu Oct 11 06:10:31 2012 +0000
- Revision:
- 1:6048138606a0
- Parent:
- 0:c546b51ecf0b
This is an image zooming program which reads an image stored in an SD card and displays the various zoomed versions of the image based on the key pressed in the capacitive touch sensor.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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XkLi | 0:c546b51ecf0b | 1 | /* mbed NokiaLCD Library, for a 130x130 Nokia colour LCD |
XkLi | 0:c546b51ecf0b | 2 | * Copyright (c) 2007-2010, sford |
XkLi | 0:c546b51ecf0b | 3 | * |
XkLi | 0:c546b51ecf0b | 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
XkLi | 0:c546b51ecf0b | 5 | * of this software and associated documentation files (the "Software"), to deal |
XkLi | 0:c546b51ecf0b | 6 | * in the Software without restriction, including without limitation the rights |
XkLi | 0:c546b51ecf0b | 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
XkLi | 0:c546b51ecf0b | 8 | * copies of the Software, and to permit persons to whom the Software is |
XkLi | 0:c546b51ecf0b | 9 | * furnished to do so, subject to the following conditions: |
XkLi | 0:c546b51ecf0b | 10 | * |
XkLi | 0:c546b51ecf0b | 11 | * The above copyright notice and this permission notice shall be included in |
XkLi | 0:c546b51ecf0b | 12 | * all copies or substantial portions of the Software. |
XkLi | 0:c546b51ecf0b | 13 | * |
XkLi | 0:c546b51ecf0b | 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
XkLi | 0:c546b51ecf0b | 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
XkLi | 0:c546b51ecf0b | 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
XkLi | 0:c546b51ecf0b | 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
XkLi | 0:c546b51ecf0b | 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
XkLi | 0:c546b51ecf0b | 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
XkLi | 0:c546b51ecf0b | 20 | * THE SOFTWARE. |
XkLi | 0:c546b51ecf0b | 21 | */ |
XkLi | 0:c546b51ecf0b | 22 | |
XkLi | 0:c546b51ecf0b | 23 | #ifndef MBED_NOKIALCD_H |
XkLi | 0:c546b51ecf0b | 24 | #define MBED_NOKIALCD_H |
XkLi | 0:c546b51ecf0b | 25 | |
XkLi | 0:c546b51ecf0b | 26 | #include "mbed.h" |
XkLi | 0:c546b51ecf0b | 27 | |
XkLi | 0:c546b51ecf0b | 28 | /** An interface for the 130x130 Nokia Mobile phone screens |
XkLi | 0:c546b51ecf0b | 29 | * |
XkLi | 0:c546b51ecf0b | 30 | * @code |
XkLi | 0:c546b51ecf0b | 31 | * #include "mbed.h" |
XkLi | 0:c546b51ecf0b | 32 | * #include "NokiaLCD.h" |
XkLi | 0:c546b51ecf0b | 33 | * |
XkLi | 0:c546b51ecf0b | 34 | * NokiaLCD lcd(p5, p7, p8, p9, NokiaLCD::6610); // mosi, sclk, cs, rst, type |
XkLi | 0:c546b51ecf0b | 35 | * |
XkLi | 0:c546b51ecf0b | 36 | * int main() { |
XkLi | 0:c546b51ecf0b | 37 | * lcd.printf("Hello World!"); |
XkLi | 0:c546b51ecf0b | 38 | * } |
XkLi | 0:c546b51ecf0b | 39 | * @endcode |
XkLi | 0:c546b51ecf0b | 40 | */ |
XkLi | 0:c546b51ecf0b | 41 | class NokiaLCD : public Stream { |
XkLi | 0:c546b51ecf0b | 42 | |
XkLi | 0:c546b51ecf0b | 43 | public: |
XkLi | 0:c546b51ecf0b | 44 | /** LCD panel format */ |
XkLi | 0:c546b51ecf0b | 45 | enum LCDType { |
XkLi | 0:c546b51ecf0b | 46 | LCD6100 /**< Nokia 6100, as found on sparkfun board (default) */ |
XkLi | 0:c546b51ecf0b | 47 | , LCD6610 /**< Nokia 6610, as found on olimex board */ |
XkLi | 0:c546b51ecf0b | 48 | , PCF8833 |
XkLi | 0:c546b51ecf0b | 49 | }; |
XkLi | 0:c546b51ecf0b | 50 | |
XkLi | 0:c546b51ecf0b | 51 | /** Create and Nokia LCD interface, using a SPI and two DigitalOut interfaces |
XkLi | 0:c546b51ecf0b | 52 | * |
XkLi | 0:c546b51ecf0b | 53 | * @param mosi SPI data out |
XkLi | 0:c546b51ecf0b | 54 | * @param sclk SPI clock |
XkLi | 0:c546b51ecf0b | 55 | * @param cs Chip Select (DigitalOut) |
XkLi | 0:c546b51ecf0b | 56 | * @param rst Reset (DigitalOut) |
XkLi | 0:c546b51ecf0b | 57 | * @param type The LCDType to select driver chip variants |
XkLi | 0:c546b51ecf0b | 58 | */ |
XkLi | 0:c546b51ecf0b | 59 | NokiaLCD(PinName mosi, PinName sclk, PinName cs, PinName rst, LCDType type = LCD6100); |
XkLi | 0:c546b51ecf0b | 60 | |
XkLi | 0:c546b51ecf0b | 61 | #if DOXYGEN_ONLY |
XkLi | 0:c546b51ecf0b | 62 | /** Write a character to the LCD |
XkLi | 0:c546b51ecf0b | 63 | * |
XkLi | 0:c546b51ecf0b | 64 | * @param c The character to write to the display |
XkLi | 0:c546b51ecf0b | 65 | */ |
XkLi | 0:c546b51ecf0b | 66 | int putc(int c); |
XkLi | 0:c546b51ecf0b | 67 | |
XkLi | 0:c546b51ecf0b | 68 | /** Write a formated string to the LCD |
XkLi | 0:c546b51ecf0b | 69 | * |
XkLi | 0:c546b51ecf0b | 70 | * @param format A printf-style format string, followed by the |
XkLi | 0:c546b51ecf0b | 71 | * variables to use in formating the string. |
XkLi | 0:c546b51ecf0b | 72 | */ |
XkLi | 0:c546b51ecf0b | 73 | int printf(const char* format, ...); |
XkLi | 0:c546b51ecf0b | 74 | #endif |
XkLi | 0:c546b51ecf0b | 75 | |
XkLi | 0:c546b51ecf0b | 76 | /** Locate to a screen column and row |
XkLi | 0:c546b51ecf0b | 77 | * |
XkLi | 0:c546b51ecf0b | 78 | * @param column The horizontal position from the left, indexed from 0 |
XkLi | 0:c546b51ecf0b | 79 | * @param row The vertical position from the top, indexed from 0 |
XkLi | 0:c546b51ecf0b | 80 | */ |
XkLi | 0:c546b51ecf0b | 81 | void locate(int column, int row); |
XkLi | 0:c546b51ecf0b | 82 | |
XkLi | 0:c546b51ecf0b | 83 | /** Clear the screen and locate to 0,0 */ |
XkLi | 0:c546b51ecf0b | 84 | void cls(); |
XkLi | 0:c546b51ecf0b | 85 | |
XkLi | 0:c546b51ecf0b | 86 | /** Set a pixel on te screen |
XkLi | 0:c546b51ecf0b | 87 | * |
XkLi | 0:c546b51ecf0b | 88 | * @param x horizontal position from left |
XkLi | 0:c546b51ecf0b | 89 | * @param y vertical position from top |
XkLi | 0:c546b51ecf0b | 90 | * @param colour 24-bit colour in format 0x00RRGGBB |
XkLi | 0:c546b51ecf0b | 91 | */ |
XkLi | 0:c546b51ecf0b | 92 | void pixel(int x, int y, int colour); |
XkLi | 0:c546b51ecf0b | 93 | |
XkLi | 0:c546b51ecf0b | 94 | /** Fill an area of the screen |
XkLi | 0:c546b51ecf0b | 95 | * |
XkLi | 0:c546b51ecf0b | 96 | * @param x horizontal position from left |
XkLi | 0:c546b51ecf0b | 97 | * @param y vertical position from top |
XkLi | 0:c546b51ecf0b | 98 | * @param width width in pixels |
XkLi | 0:c546b51ecf0b | 99 | * @param height height in pixels |
XkLi | 0:c546b51ecf0b | 100 | * @param colour 24-bit colour in format 0x00RRGGBB |
XkLi | 0:c546b51ecf0b | 101 | */ |
XkLi | 0:c546b51ecf0b | 102 | void fill(int x, int y, int width, int height, int colour); |
XkLi | 0:c546b51ecf0b | 103 | |
XkLi | 0:c546b51ecf0b | 104 | void blit(int x, int y, int width, int height, const int* colour); |
XkLi | 0:c546b51ecf0b | 105 | void bitblit(int x, int y, int width, int height, const char* bitstream); |
XkLi | 0:c546b51ecf0b | 106 | |
XkLi | 0:c546b51ecf0b | 107 | int width(); |
XkLi | 0:c546b51ecf0b | 108 | int height(); |
XkLi | 0:c546b51ecf0b | 109 | int columns(); |
XkLi | 0:c546b51ecf0b | 110 | int rows(); |
XkLi | 0:c546b51ecf0b | 111 | |
XkLi | 0:c546b51ecf0b | 112 | void reset(); |
XkLi | 0:c546b51ecf0b | 113 | |
XkLi | 0:c546b51ecf0b | 114 | /** Set the foreground colour |
XkLi | 0:c546b51ecf0b | 115 | * |
XkLi | 0:c546b51ecf0b | 116 | * @param c 24-bit colour |
XkLi | 0:c546b51ecf0b | 117 | */ |
XkLi | 0:c546b51ecf0b | 118 | void foreground(int c); |
XkLi | 0:c546b51ecf0b | 119 | |
XkLi | 0:c546b51ecf0b | 120 | /** Set the background colour |
XkLi | 0:c546b51ecf0b | 121 | * |
XkLi | 0:c546b51ecf0b | 122 | * @param c 24-bit colour |
XkLi | 0:c546b51ecf0b | 123 | */ |
XkLi | 0:c546b51ecf0b | 124 | void background(int c); |
XkLi | 0:c546b51ecf0b | 125 | |
XkLi | 0:c546b51ecf0b | 126 | protected: |
XkLi | 0:c546b51ecf0b | 127 | virtual void _window(int x, int y, int width, int height); |
XkLi | 0:c546b51ecf0b | 128 | virtual void _putp(int colour); |
XkLi | 0:c546b51ecf0b | 129 | |
XkLi | 0:c546b51ecf0b | 130 | void command(int value); |
XkLi | 0:c546b51ecf0b | 131 | void data(int value); |
XkLi | 0:c546b51ecf0b | 132 | |
XkLi | 0:c546b51ecf0b | 133 | void newline(); |
XkLi | 0:c546b51ecf0b | 134 | virtual int _putc(int c); |
XkLi | 0:c546b51ecf0b | 135 | virtual int _getc() { |
XkLi | 0:c546b51ecf0b | 136 | return 0; |
XkLi | 0:c546b51ecf0b | 137 | } |
XkLi | 0:c546b51ecf0b | 138 | void putp(int v); |
XkLi | 0:c546b51ecf0b | 139 | void window(int x, int y, int width, int height); |
XkLi | 0:c546b51ecf0b | 140 | |
XkLi | 0:c546b51ecf0b | 141 | SPI _spi; |
XkLi | 0:c546b51ecf0b | 142 | DigitalOut _rst; |
XkLi | 0:c546b51ecf0b | 143 | DigitalOut _cs; |
XkLi | 0:c546b51ecf0b | 144 | |
XkLi | 0:c546b51ecf0b | 145 | LCDType _type; |
XkLi | 0:c546b51ecf0b | 146 | int _row, _column, _rows, _columns, _foreground, _background, _width, _height; |
XkLi | 0:c546b51ecf0b | 147 | }; |
XkLi | 0:c546b51ecf0b | 148 | |
XkLi | 0:c546b51ecf0b | 149 | #endif |
XkLi | 0:c546b51ecf0b | 150 | |
XkLi | 0:c546b51ecf0b | 151 |