Dwayne Dilbeck / USBMSD_RAM

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependents:   Lab8_USB-MSD_RAM_HelloWorld_mbed

Fork of USBMSD_SD by avnish aggarwal

USBMSD_SD.h@4:a4423c624fed, 2014-03-26 (annotated)

Committer:
jakowisp
Date:
Wed Mar 26 07:01:02 2014 +0000
Revision:
4:a4423c624fed
Parent:
3:dbd7383533e6 
USBMSD_SRAM;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samux 0:de50a209c5a9 1 /* mbed USBMSD_SD Library, for providing file access to SD cards
samux 0:de50a209c5a9 2 * Copyright (c) 2008-2010, sford
samux 0:de50a209c5a9 3 *
samux 0:de50a209c5a9 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
samux 0:de50a209c5a9 5 * of this software and associated documentation files (the "Software"), to deal
samux 0:de50a209c5a9 6 * in the Software without restriction, including without limitation the rights
samux 0:de50a209c5a9 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
samux 0:de50a209c5a9 8 * copies of the Software, and to permit persons to whom the Software is
samux 0:de50a209c5a9 9 * furnished to do so, subject to the following conditions:
samux 0:de50a209c5a9 10 *
samux 0:de50a209c5a9 11 * The above copyright notice and this permission notice shall be included in
samux 0:de50a209c5a9 12 * all copies or substantial portions of the Software.
samux 0:de50a209c5a9 13 *
samux 0:de50a209c5a9 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
samux 0:de50a209c5a9 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
samux 0:de50a209c5a9 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
samux 0:de50a209c5a9 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
samux 0:de50a209c5a9 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
samux 0:de50a209c5a9 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
samux 0:de50a209c5a9 20 * THE SOFTWARE.
samux 0:de50a209c5a9 21 */
samux 0:de50a209c5a9 22
samux 0:de50a209c5a9 23 #ifndef USBMSD_SD_H
samux 0:de50a209c5a9 24 #define USBMSD_SD_H
samux 0:de50a209c5a9 25
samux 0:de50a209c5a9 26 #include "mbed.h"
samux 0:de50a209c5a9 27 #include "USBMSD.h"
samux 0:de50a209c5a9 28
samux 0:de50a209c5a9 29 /** Use the SDcard as mass storage device using the USBMSD class
samux 0:de50a209c5a9 30 *
samux 0:de50a209c5a9 31 * @code
samux 0:de50a209c5a9 32 * #include "mbed.h"
samux 0:de50a209c5a9 33 * #include "USBMSD_SD.h"
samux 0:de50a209c5a9 34 *
samux 0:de50a209c5a9 35 * USBMSD_SD sd(p5, p6, p7, p8);
samux 0:de50a209c5a9 36 *
samux 0:de50a209c5a9 37 * int main() {
samux 0:de50a209c5a9 38 * while(1);
samux 0:de50a209c5a9 39 * }
samux 0:de50a209c5a9 40 *
samux 0:de50a209c5a9 41 * @endcode
samux 0:de50a209c5a9 42 */
samux 0:de50a209c5a9 43 class USBMSD_SD : public USBMSD {
samux 0:de50a209c5a9 44 public:
samux 0:de50a209c5a9 45
samux 0:de50a209c5a9 46 /** Create the File System for accessing an SD Card using SPI
samux 0:de50a209c5a9 47 *
samux 0:de50a209c5a9 48 * @param mosi SPI mosi pin connected to SD Card
samux 0:de50a209c5a9 49 * @param miso SPI miso pin conencted to SD Card
samux 0:de50a209c5a9 50 * @param sclk SPI sclk pin connected to SD Card
samux 0:de50a209c5a9 51 * @param cs DigitalOut pin used as SD Card chip select
samux 0:de50a209c5a9 52 * @param name The name used to access the virtual filesystem
samux 0:de50a209c5a9 53 */
samux 0:de50a209c5a9 54 USBMSD_SD(PinName mosi, PinName miso, PinName sclk, PinName cs);
samux 0:de50a209c5a9 55 virtual int disk_initialize();
samux 0:de50a209c5a9 56 virtual int disk_status();
samux 2:055119ccf5a7 57 virtual int disk_read(uint8_t * buffer, uint64_t block_number);
samux 2:055119ccf5a7 58 virtual int disk_write(const uint8_t * buffer, uint64_t block_number);
samux 0:de50a209c5a9 59 virtual int disk_sync();
samux 2:055119ccf5a7 60 virtual uint64_t disk_sectors();
samux 2:055119ccf5a7 61
avnisha 3:dbd7383533e6 62 //virtual uint64_t disk_size(){return _sectors*512;};
avnisha 3:dbd7383533e6 63 virtual uint64_t disk_size();
samux 0:de50a209c5a9 64
samux 0:de50a209c5a9 65 protected:
samux 0:de50a209c5a9 66
samux 0:de50a209c5a9 67 int _cmd(int cmd, int arg);
samux 0:de50a209c5a9 68 int _cmdx(int cmd, int arg);
samux 0:de50a209c5a9 69 int _cmd8();
samux 0:de50a209c5a9 70 int _cmd58();
samux 0:de50a209c5a9 71 int initialise_card();
samux 0:de50a209c5a9 72 int initialise_card_v1();
samux 0:de50a209c5a9 73 int initialise_card_v2();
samux 0:de50a209c5a9 74
samux 2:055119ccf5a7 75 int _read(uint8_t * buffer, uint32_t length);
samux 2:055119ccf5a7 76 int _write(const uint8_t *buffer, uint32_t length);
samux 2:055119ccf5a7 77 uint64_t _sd_sectors();
samux 2:055119ccf5a7 78 uint64_t _sectors;
samux 0:de50a209c5a9 79
samux 2:055119ccf5a7 80 uint8_t _status;
samux 0:de50a209c5a9 81
samux 0:de50a209c5a9 82 SPI _spi;
samux 0:de50a209c5a9 83 DigitalOut _cs;
samux 2:055119ccf5a7 84 int cdv;
samux 0:de50a209c5a9 85 };
samux 0:de50a209c5a9 86
samux 0:de50a209c5a9 87 #endif