1 /* mbed USBMSD_SD Library, for providing file access to SD cards
2 * Copyright (c) 2008-2010, sford
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
29 /** Use the SDcard as mass storage device using the USBMSD class
33 * #include "USBMSD_SD.h"
35 * USBMSD_SD sd(p5, p6, p7, p8);
43 class USBMSD_SD
: public USBMSD
{
46 /** Create the File System for accessing an SD Card using SPI
48 * @param mosi SPI mosi pin connected to SD Card
49 * @param miso SPI miso pin conencted to SD Card
50 * @param sclk SPI sclk pin connected to SD Card
51 * @param cs DigitalOut pin used as SD Card chip select
52 * @param name The name used to access the virtual filesystem
54 USBMSD_SD(PinName mosi
, PinName miso
, PinName sclk
, PinName cs
);
55 virtual int disk_initialize();
56 virtual int disk_write(const char *buffer
, int block_number
);
57 virtual int disk_read(char *buffer
, int block_number
);
58 virtual int disk_status();
59 virtual int disk_sync();
60 virtual int disk_sectors();
61 virtual int disk_size();
65 int _cmd(int cmd
, int arg
);
66 int _cmdx(int cmd
, int arg
);
69 int initialise_card();
70 int initialise_card_v1();
71 int initialise_card_v2();
73 int _read(char *buffer
, int length
);
74 int _write(const char *buffer
, int length
);