Aditya Barve / Mbed 2 deprecated image_zooming

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 Martin Sturm

SDFileSystem/SDFileSystem.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?

UserRevisionLine numberNew contents of line
XkLi 0:c546b51ecf0b 1 /* mbed SDFileSystem Library, for providing file access to SD cards
XkLi 0:c546b51ecf0b 2 * Copyright (c) 2008-2010, 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_SDFILESYSTEM_H
XkLi 0:c546b51ecf0b 24 #define MBED_SDFILESYSTEM_H
XkLi 0:c546b51ecf0b 25
XkLi 0:c546b51ecf0b 26 #include "mbed.h"
XkLi 0:c546b51ecf0b 27 #include "FATFileSystem.h"
XkLi 0:c546b51ecf0b 28
XkLi 0:c546b51ecf0b 29 /** Access the filesystem on an SD Card using SPI
XkLi 0:c546b51ecf0b 30 *
XkLi 0:c546b51ecf0b 31 * @code
XkLi 0:c546b51ecf0b 32 * #include "mbed.h"
XkLi 0:c546b51ecf0b 33 * #include "SDFileSystem.h"
XkLi 0:c546b51ecf0b 34 *
XkLi 0:c546b51ecf0b 35 * SDFileSystem sd(p5, p6, p7, p12, "sd"); // mosi, miso, sclk, cs
XkLi 0:c546b51ecf0b 36 *
XkLi 0:c546b51ecf0b 37 * int main() {
XkLi 0:c546b51ecf0b 38 * FILE *fp = fopen("/sd/myfile.txt", "w");
XkLi 0:c546b51ecf0b 39 * fprintf(fp, "Hello World!\n");
XkLi 0:c546b51ecf0b 40 * fclose(fp);
XkLi 0:c546b51ecf0b 41 * }
XkLi 0:c546b51ecf0b 42 */
XkLi 0:c546b51ecf0b 43 class SDFileSystem : public FATFileSystem {
XkLi 0:c546b51ecf0b 44 public:
XkLi 0:c546b51ecf0b 45
XkLi 0:c546b51ecf0b 46 /** Create the File System for accessing an SD Card using SPI
XkLi 0:c546b51ecf0b 47 *
XkLi 0:c546b51ecf0b 48 * @param mosi SPI mosi pin connected to SD Card
XkLi 0:c546b51ecf0b 49 * @param miso SPI miso pin conencted to SD Card
XkLi 0:c546b51ecf0b 50 * @param sclk SPI sclk pin connected to SD Card
XkLi 0:c546b51ecf0b 51 * @param cs DigitalOut pin used as SD Card chip select
XkLi 0:c546b51ecf0b 52 * @param name The name used to access the virtual filesystem
XkLi 0:c546b51ecf0b 53 */
XkLi 0:c546b51ecf0b 54 SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name);
XkLi 0:c546b51ecf0b 55 virtual int disk_initialize();
XkLi 0:c546b51ecf0b 56 virtual int disk_write(const char *buffer, int block_number);
XkLi 0:c546b51ecf0b 57 virtual int disk_read(char *buffer, int block_number);
XkLi 0:c546b51ecf0b 58 virtual int disk_status();
XkLi 0:c546b51ecf0b 59 virtual int disk_sync();
XkLi 0:c546b51ecf0b 60 virtual int disk_sectors();
XkLi 0:c546b51ecf0b 61
XkLi 0:c546b51ecf0b 62 protected:
XkLi 0:c546b51ecf0b 63
XkLi 0:c546b51ecf0b 64 int _cmd(int cmd, int arg);
XkLi 0:c546b51ecf0b 65 int _cmdx(int cmd, int arg);
XkLi 0:c546b51ecf0b 66 int _cmd8();
XkLi 0:c546b51ecf0b 67 int _cmd58();
XkLi 0:c546b51ecf0b 68 int initialise_card();
XkLi 0:c546b51ecf0b 69 int initialise_card_v1();
XkLi 0:c546b51ecf0b 70 int initialise_card_v2();
XkLi 0:c546b51ecf0b 71
XkLi 0:c546b51ecf0b 72 int _read(char *buffer, int length);
XkLi 0:c546b51ecf0b 73 int _write(const char *buffer, int length);
XkLi 0:c546b51ecf0b 74 int _sd_sectors();
XkLi 0:c546b51ecf0b 75 int _sectors;
XkLi 0:c546b51ecf0b 76
XkLi 0:c546b51ecf0b 77 SPI _spi;
XkLi 0:c546b51ecf0b 78 DigitalOut _cs;
XkLi 0:c546b51ecf0b 79 };
XkLi 0:c546b51ecf0b 80
XkLi 0:c546b51ecf0b 81 #endif