Samuel Mokrani / USBMSD_SD

USBMSD example using an SD card

Dependents:   USBMSD_SD_HelloWorld_FRDM-KL25Z USBMSD_SD_HelloWorld_Mbed USBMSD_SD_HelloWorld_FRDM-KL25Z V09_01h ... more

USBMSD_SD.h@2:055119ccf5a7, 2013-01-21 (annotated)

Committer:
samux
Date:
Mon Jan 21 10:40:05 2013 +0000
Revision:
2:055119ccf5a7
Parent:
1:923991b026e7 
use latest SDFilesystem library

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
samux 2:055119ccf5a7 62 virtual uint64_t disk_size(){return _sectors*512;};
samux 0:de50a209c5a9 63
samux 0:de50a209c5a9 64 protected:
samux 0:de50a209c5a9 65
samux 0:de50a209c5a9 66 int _cmd(int cmd, int arg);
samux 0:de50a209c5a9 67 int _cmdx(int cmd, int arg);
samux 0:de50a209c5a9 68 int _cmd8();
samux 0:de50a209c5a9 69 int _cmd58();
samux 0:de50a209c5a9 70 int initialise_card();
samux 0:de50a209c5a9 71 int initialise_card_v1();
samux 0:de50a209c5a9 72 int initialise_card_v2();
samux 0:de50a209c5a9 73
samux 2:055119ccf5a7 74 int _read(uint8_t * buffer, uint32_t length);
samux 2:055119ccf5a7 75 int _write(const uint8_t *buffer, uint32_t length);
samux 2:055119ccf5a7 76 uint64_t _sd_sectors();
samux 2:055119ccf5a7 77 uint64_t _sectors;
samux 0:de50a209c5a9 78
samux 2:055119ccf5a7 79 uint8_t _status;
samux 0:de50a209c5a9 80
samux 0:de50a209c5a9 81 SPI _spi;
samux 0:de50a209c5a9 82 DigitalOut _cs;
samux 2:055119ccf5a7 83 int cdv;
samux 0:de50a209c5a9 84 };
samux 0:de50a209c5a9 85
samux 0:de50a209c5a9 86 #endif