Samuel Mokrani / Mbed 2 deprecated USBMSD_SD_HelloWorld_Mbed

USBMSD SD card Hello World for Mbed platforms

Dependencies:   mbed USBMSD_SD USBDevice

ChaNFSSD/SDFileSystem.h@14:757226626acb, 2011-12-06 (annotated)

Committer:
samux
Date:
Tue Dec 06 12:07:12 2011 +0000
Revision:
14:757226626acb
Parent:
13:32b8a767cf0e
Child:
16:c753717bfd4d
protection enabled when usb cable plugged. filesystem has no access when plugged

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samux 7:6494da2a5c60 1 /* mbed SDFileSystem Library, for providing file access to SD cards
samux 7:6494da2a5c60 2 * Copyright (c) 2008-2010, sford
samux 7:6494da2a5c60 3 *
samux 7:6494da2a5c60 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
samux 7:6494da2a5c60 5 * of this software and associated documentation files (the "Software"), to deal
samux 7:6494da2a5c60 6 * in the Software without restriction, including without limitation the rights
samux 7:6494da2a5c60 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
samux 7:6494da2a5c60 8 * copies of the Software, and to permit persons to whom the Software is
samux 7:6494da2a5c60 9 * furnished to do so, subject to the following conditions:
samux 7:6494da2a5c60 10 *
samux 7:6494da2a5c60 11 * The above copyright notice and this permission notice shall be included in
samux 7:6494da2a5c60 12 * all copies or substantial portions of the Software.
samux 7:6494da2a5c60 13 *
samux 7:6494da2a5c60 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
samux 7:6494da2a5c60 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
samux 7:6494da2a5c60 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
samux 7:6494da2a5c60 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
samux 7:6494da2a5c60 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
samux 7:6494da2a5c60 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
samux 7:6494da2a5c60 20 * THE SOFTWARE.
samux 7:6494da2a5c60 21 */
samux 7:6494da2a5c60 22
samux 7:6494da2a5c60 23 #ifndef MBED_SDFILESYSTEM_H
samux 7:6494da2a5c60 24 #define MBED_SDFILESYSTEM_H
samux 7:6494da2a5c60 25
samux 7:6494da2a5c60 26 #include "mbed.h"
samux 7:6494da2a5c60 27 #include "FATFileSystem.h"
samux 8:534fd41d8cc7 28 #include "USBMSD.h"
samux 8:534fd41d8cc7 29
samux 7:6494da2a5c60 30 /** Access the filesystem on an SD Card using SPI
samux 7:6494da2a5c60 31 *
samux 7:6494da2a5c60 32 * @code
samux 7:6494da2a5c60 33 * #include "mbed.h"
samux 7:6494da2a5c60 34 * #include "SDFileSystem.h"
samux 7:6494da2a5c60 35 *
samux 7:6494da2a5c60 36 * SDFileSystem sd(p5, p6, p7, p12, "sd"); // mosi, miso, sclk, cs
samux 7:6494da2a5c60 37 *
samux 7:6494da2a5c60 38 * int main() {
samux 7:6494da2a5c60 39 * FILE *fp = fopen("/sd/myfile.txt", "w");
samux 7:6494da2a5c60 40 * fprintf(fp, "Hello World!\n");
samux 7:6494da2a5c60 41 * fclose(fp);
samux 7:6494da2a5c60 42 * }
samux 7:6494da2a5c60 43 */
samux 9:9c343b9ee6d8 44 class SDFileSystem : public USBMSD, public FATFileSystem {
samux 7:6494da2a5c60 45 public:
samux 7:6494da2a5c60 46
samux 7:6494da2a5c60 47 /** Create the File System for accessing an SD Card using SPI
samux 7:6494da2a5c60 48 *
samux 7:6494da2a5c60 49 * @param mosi SPI mosi pin connected to SD Card
samux 7:6494da2a5c60 50 * @param miso SPI miso pin conencted to SD Card
samux 7:6494da2a5c60 51 * @param sclk SPI sclk pin connected to SD Card
samux 7:6494da2a5c60 52 * @param cs DigitalOut pin used as SD Card chip select
samux 7:6494da2a5c60 53 * @param name The name used to access the virtual filesystem
samux 7:6494da2a5c60 54 */
samux 7:6494da2a5c60 55 SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name);
samux 7:6494da2a5c60 56 virtual int disk_initialize();
samux 7:6494da2a5c60 57 virtual int disk_write(const char *buffer, int block_number);
samux 7:6494da2a5c60 58 virtual int disk_read(char *buffer, int block_number);
samux 7:6494da2a5c60 59 virtual int disk_status();
samux 7:6494da2a5c60 60 virtual int disk_sync();
samux 7:6494da2a5c60 61 virtual int disk_sectors();
samux 13:32b8a767cf0e 62 virtual int disk_size();
samux 14:757226626acb 63
samux 14:757226626acb 64 virtual void suspendStateChanged(unsigned int suspended);
samux 7:6494da2a5c60 65
samux 7:6494da2a5c60 66 protected:
samux 7:6494da2a5c60 67
samux 7:6494da2a5c60 68 int _cmd(int cmd, int arg);
samux 7:6494da2a5c60 69 int _cmdx(int cmd, int arg);
samux 7:6494da2a5c60 70 int _cmd8();
samux 7:6494da2a5c60 71 int _cmd58();
samux 7:6494da2a5c60 72 int initialise_card();
samux 7:6494da2a5c60 73 int initialise_card_v1();
samux 7:6494da2a5c60 74 int initialise_card_v2();
samux 7:6494da2a5c60 75
samux 7:6494da2a5c60 76 int _read(char *buffer, int length);
samux 7:6494da2a5c60 77 int _write(const char *buffer, int length);
samux 7:6494da2a5c60 78 int _sd_sectors();
samux 7:6494da2a5c60 79 int _sectors;
samux 7:6494da2a5c60 80
samux 13:32b8a767cf0e 81 int capacity;
samux 13:32b8a767cf0e 82
samux 14:757226626acb 83 int _status;
samux 14:757226626acb 84
samux 7:6494da2a5c60 85 SPI _spi;
samux 7:6494da2a5c60 86 DigitalOut _cs;
samux 7:6494da2a5c60 87 };
samux 7:6494da2a5c60 88
samux 7:6494da2a5c60 89 #endif