Stefan Mueller / ChaNFSSD

This is a lib to use ChaNFS lib with SD cards. Long filenames should work

Dependencies:  

Dependents:   USB_MSC USB_CDC_MSD_Hello TFTPServerTest ENVLogger ... more

SDFileSystem.h@0:7532f4c4163c, 2011-02-01 (annotated)

Committer:
NeoBelerophon
Date:
Tue Feb 01 22:32:48 2011 +0000
Revision:
0:7532f4c4163c
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
NeoBelerophon 0:7532f4c4163c 1 /* mbed SDFileSystem Library, for providing file access to SD cards
NeoBelerophon 0:7532f4c4163c 2 * Copyright (c) 2008-2010, sford
NeoBelerophon 0:7532f4c4163c 3 *
NeoBelerophon 0:7532f4c4163c 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
NeoBelerophon 0:7532f4c4163c 5 * of this software and associated documentation files (the "Software"), to deal
NeoBelerophon 0:7532f4c4163c 6 * in the Software without restriction, including without limitation the rights
NeoBelerophon 0:7532f4c4163c 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
NeoBelerophon 0:7532f4c4163c 8 * copies of the Software, and to permit persons to whom the Software is
NeoBelerophon 0:7532f4c4163c 9 * furnished to do so, subject to the following conditions:
NeoBelerophon 0:7532f4c4163c 10 *
NeoBelerophon 0:7532f4c4163c 11 * The above copyright notice and this permission notice shall be included in
NeoBelerophon 0:7532f4c4163c 12 * all copies or substantial portions of the Software.
NeoBelerophon 0:7532f4c4163c 13 *
NeoBelerophon 0:7532f4c4163c 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
NeoBelerophon 0:7532f4c4163c 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
NeoBelerophon 0:7532f4c4163c 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
NeoBelerophon 0:7532f4c4163c 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
NeoBelerophon 0:7532f4c4163c 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
NeoBelerophon 0:7532f4c4163c 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
NeoBelerophon 0:7532f4c4163c 20 * THE SOFTWARE.
NeoBelerophon 0:7532f4c4163c 21 */
NeoBelerophon 0:7532f4c4163c 22
NeoBelerophon 0:7532f4c4163c 23 #ifndef MBED_SDFILESYSTEM_H
NeoBelerophon 0:7532f4c4163c 24 #define MBED_SDFILESYSTEM_H
NeoBelerophon 0:7532f4c4163c 25
NeoBelerophon 0:7532f4c4163c 26 #include "mbed.h"
NeoBelerophon 0:7532f4c4163c 27 #include "FATFileSystem.h"
NeoBelerophon 0:7532f4c4163c 28
NeoBelerophon 0:7532f4c4163c 29 /** Access the filesystem on an SD Card using SPI
NeoBelerophon 0:7532f4c4163c 30 *
NeoBelerophon 0:7532f4c4163c 31 * @code
NeoBelerophon 0:7532f4c4163c 32 * #include "mbed.h"
NeoBelerophon 0:7532f4c4163c 33 * #include "SDFileSystem.h"
NeoBelerophon 0:7532f4c4163c 34 *
NeoBelerophon 0:7532f4c4163c 35 * SDFileSystem sd(p5, p6, p7, p12, "sd"); // mosi, miso, sclk, cs
NeoBelerophon 0:7532f4c4163c 36 *
NeoBelerophon 0:7532f4c4163c 37 * int main() {
NeoBelerophon 0:7532f4c4163c 38 * FILE *fp = fopen("/sd/myfile.txt", "w");
NeoBelerophon 0:7532f4c4163c 39 * fprintf(fp, "Hello World!\n");
NeoBelerophon 0:7532f4c4163c 40 * fclose(fp);
NeoBelerophon 0:7532f4c4163c 41 * }
NeoBelerophon 0:7532f4c4163c 42 */
NeoBelerophon 0:7532f4c4163c 43 class SDFileSystem : public FATFileSystem {
NeoBelerophon 0:7532f4c4163c 44 public:
NeoBelerophon 0:7532f4c4163c 45
NeoBelerophon 0:7532f4c4163c 46 /** Create the File System for accessing an SD Card using SPI
NeoBelerophon 0:7532f4c4163c 47 *
NeoBelerophon 0:7532f4c4163c 48 * @param mosi SPI mosi pin connected to SD Card
NeoBelerophon 0:7532f4c4163c 49 * @param miso SPI miso pin conencted to SD Card
NeoBelerophon 0:7532f4c4163c 50 * @param sclk SPI sclk pin connected to SD Card
NeoBelerophon 0:7532f4c4163c 51 * @param cs DigitalOut pin used as SD Card chip select
NeoBelerophon 0:7532f4c4163c 52 * @param name The name used to access the virtual filesystem
NeoBelerophon 0:7532f4c4163c 53 */
NeoBelerophon 0:7532f4c4163c 54 SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name);
NeoBelerophon 0:7532f4c4163c 55 virtual int disk_initialize();
NeoBelerophon 0:7532f4c4163c 56 virtual int disk_write(const char *buffer, int block_number);
NeoBelerophon 0:7532f4c4163c 57 virtual int disk_read(char *buffer, int block_number);
NeoBelerophon 0:7532f4c4163c 58 virtual int disk_status();
NeoBelerophon 0:7532f4c4163c 59 virtual int disk_sync();
NeoBelerophon 0:7532f4c4163c 60 virtual int disk_sectors();
NeoBelerophon 0:7532f4c4163c 61
NeoBelerophon 0:7532f4c4163c 62 protected:
NeoBelerophon 0:7532f4c4163c 63
NeoBelerophon 0:7532f4c4163c 64 int _cmd(int cmd, int arg);
NeoBelerophon 0:7532f4c4163c 65 int _cmdx(int cmd, int arg);
NeoBelerophon 0:7532f4c4163c 66 int _cmd8();
NeoBelerophon 0:7532f4c4163c 67 int _cmd58();
NeoBelerophon 0:7532f4c4163c 68 int initialise_card();
NeoBelerophon 0:7532f4c4163c 69 int initialise_card_v1();
NeoBelerophon 0:7532f4c4163c 70 int initialise_card_v2();
NeoBelerophon 0:7532f4c4163c 71
NeoBelerophon 0:7532f4c4163c 72 int _read(char *buffer, int length);
NeoBelerophon 0:7532f4c4163c 73 int _write(const char *buffer, int length);
NeoBelerophon 0:7532f4c4163c 74 int _sd_sectors();
NeoBelerophon 0:7532f4c4163c 75 int _sectors;
NeoBelerophon 0:7532f4c4163c 76
NeoBelerophon 0:7532f4c4163c 77 SPI _spi;
NeoBelerophon 0:7532f4c4163c 78 DigitalOut _cs;
NeoBelerophon 0:7532f4c4163c 79 };
NeoBelerophon 0:7532f4c4163c 80
NeoBelerophon 0:7532f4c4163c 81 #endif