Mateusz Wójcik / Mbed 2 deprecated FRDMK64_SDCard

Demo

Dependencies:   mbed

SDFileSystem/SDFileSystem.h@0:e2da1a4652f5, 2017-11-18 (annotated)

Committer:
kudlatykaskader
Date:
Sat Nov 18 22:04:50 2017 +0000
Revision:
0:e2da1a4652f5
commit;

Who changed what in which revision?

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kudlatykaskader 0:e2da1a4652f5 1 /* mbed Microcontroller Library
kudlatykaskader 0:e2da1a4652f5 2 * Copyright (c) 2006-2012 ARM Limited
kudlatykaskader 0:e2da1a4652f5 3 *
kudlatykaskader 0:e2da1a4652f5 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
kudlatykaskader 0:e2da1a4652f5 5 * of this software and associated documentation files (the "Software"), to deal
kudlatykaskader 0:e2da1a4652f5 6 * in the Software without restriction, including without limitation the rights
kudlatykaskader 0:e2da1a4652f5 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
kudlatykaskader 0:e2da1a4652f5 8 * copies of the Software, and to permit persons to whom the Software is
kudlatykaskader 0:e2da1a4652f5 9 * furnished to do so, subject to the following conditions:
kudlatykaskader 0:e2da1a4652f5 10 *
kudlatykaskader 0:e2da1a4652f5 11 * The above copyright notice and this permission notice shall be included in
kudlatykaskader 0:e2da1a4652f5 12 * all copies or substantial portions of the Software.
kudlatykaskader 0:e2da1a4652f5 13 *
kudlatykaskader 0:e2da1a4652f5 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
kudlatykaskader 0:e2da1a4652f5 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
kudlatykaskader 0:e2da1a4652f5 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
kudlatykaskader 0:e2da1a4652f5 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
kudlatykaskader 0:e2da1a4652f5 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
kudlatykaskader 0:e2da1a4652f5 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
kudlatykaskader 0:e2da1a4652f5 20 * SOFTWARE.
kudlatykaskader 0:e2da1a4652f5 21 */
kudlatykaskader 0:e2da1a4652f5 22 #ifndef MBED_SDFILESYSTEM_H
kudlatykaskader 0:e2da1a4652f5 23 #define MBED_SDFILESYSTEM_H
kudlatykaskader 0:e2da1a4652f5 24
kudlatykaskader 0:e2da1a4652f5 25 #include "mbed.h"
kudlatykaskader 0:e2da1a4652f5 26 #include "FATFileSystem.h"
kudlatykaskader 0:e2da1a4652f5 27 #include <stdint.h>
kudlatykaskader 0:e2da1a4652f5 28
kudlatykaskader 0:e2da1a4652f5 29 /** Access the filesystem on an SD Card using SPI
kudlatykaskader 0:e2da1a4652f5 30 *
kudlatykaskader 0:e2da1a4652f5 31 * @code
kudlatykaskader 0:e2da1a4652f5 32 * #include "mbed.h"
kudlatykaskader 0:e2da1a4652f5 33 * #include "SDFileSystem.h"
kudlatykaskader 0:e2da1a4652f5 34 *
kudlatykaskader 0:e2da1a4652f5 35 * SDFileSystem sd(p5, p6, p7, p12, "sd"); // mosi, miso, sclk, cs
kudlatykaskader 0:e2da1a4652f5 36 *
kudlatykaskader 0:e2da1a4652f5 37 * int main() {
kudlatykaskader 0:e2da1a4652f5 38 * FILE *fp = fopen("/sd/myfile.txt", "w");
kudlatykaskader 0:e2da1a4652f5 39 * fprintf(fp, "Hello World!\n");
kudlatykaskader 0:e2da1a4652f5 40 * fclose(fp);
kudlatykaskader 0:e2da1a4652f5 41 * }
kudlatykaskader 0:e2da1a4652f5 42 */
kudlatykaskader 0:e2da1a4652f5 43 class SDFileSystem : public FATFileSystem {
kudlatykaskader 0:e2da1a4652f5 44 public:
kudlatykaskader 0:e2da1a4652f5 45
kudlatykaskader 0:e2da1a4652f5 46 /** Create the File System for accessing an SD Card using SPI
kudlatykaskader 0:e2da1a4652f5 47 *
kudlatykaskader 0:e2da1a4652f5 48 * @param mosi SPI mosi pin connected to SD Card
kudlatykaskader 0:e2da1a4652f5 49 * @param miso SPI miso pin conencted to SD Card
kudlatykaskader 0:e2da1a4652f5 50 * @param sclk SPI sclk pin connected to SD Card
kudlatykaskader 0:e2da1a4652f5 51 * @param cs DigitalOut pin used as SD Card chip select
kudlatykaskader 0:e2da1a4652f5 52 * @param name The name used to access the virtual filesystem
kudlatykaskader 0:e2da1a4652f5 53 */
kudlatykaskader 0:e2da1a4652f5 54 SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name);
kudlatykaskader 0:e2da1a4652f5 55 virtual int disk_initialize();
kudlatykaskader 0:e2da1a4652f5 56 virtual int disk_status();
kudlatykaskader 0:e2da1a4652f5 57 virtual int disk_read(uint8_t* buffer, uint32_t block_number, uint32_t count);
kudlatykaskader 0:e2da1a4652f5 58 virtual int disk_write(const uint8_t* buffer, uint32_t block_number, uint32_t count);
kudlatykaskader 0:e2da1a4652f5 59 virtual int disk_sync();
kudlatykaskader 0:e2da1a4652f5 60 virtual uint32_t disk_sectors();
kudlatykaskader 0:e2da1a4652f5 61
kudlatykaskader 0:e2da1a4652f5 62 protected:
kudlatykaskader 0:e2da1a4652f5 63
kudlatykaskader 0:e2da1a4652f5 64 int _cmd(int cmd, int arg);
kudlatykaskader 0:e2da1a4652f5 65 int _cmdx(int cmd, int arg);
kudlatykaskader 0:e2da1a4652f5 66 int _cmd8();
kudlatykaskader 0:e2da1a4652f5 67 int _cmd58();
kudlatykaskader 0:e2da1a4652f5 68 int initialise_card();
kudlatykaskader 0:e2da1a4652f5 69 int initialise_card_v1();
kudlatykaskader 0:e2da1a4652f5 70 int initialise_card_v2();
kudlatykaskader 0:e2da1a4652f5 71
kudlatykaskader 0:e2da1a4652f5 72 int _read(uint8_t * buffer, uint32_t length);
kudlatykaskader 0:e2da1a4652f5 73 int _write(const uint8_t *buffer, uint32_t length);
kudlatykaskader 0:e2da1a4652f5 74 uint32_t _sd_sectors();
kudlatykaskader 0:e2da1a4652f5 75 uint32_t _sectors;
kudlatykaskader 0:e2da1a4652f5 76
kudlatykaskader 0:e2da1a4652f5 77 void set_init_sck(uint32_t sck) { _init_sck = sck; }
kudlatykaskader 0:e2da1a4652f5 78 // Note: The highest SPI clock rate is 20 MHz for MMC and 25 MHz for SD
kudlatykaskader 0:e2da1a4652f5 79 void set_transfer_sck(uint32_t sck) { _transfer_sck = sck; }
kudlatykaskader 0:e2da1a4652f5 80 uint32_t _init_sck;
kudlatykaskader 0:e2da1a4652f5 81 uint32_t _transfer_sck;
kudlatykaskader 0:e2da1a4652f5 82
kudlatykaskader 0:e2da1a4652f5 83 SPI _spi;
kudlatykaskader 0:e2da1a4652f5 84 DigitalOut _cs;
kudlatykaskader 0:e2da1a4652f5 85 int cdv;
kudlatykaskader 0:e2da1a4652f5 86 int _is_initialized;
kudlatykaskader 0:e2da1a4652f5 87 };
kudlatykaskader 0:e2da1a4652f5 88
kudlatykaskader 0:e2da1a4652f5 89 #endif