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Squashed 'tmk_core/' changes from 7967731..b9e0ea0

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b9e0ea0 Merge commit '7fa9d8bdea3773d1195b04d98fcf27cf48ddd81d' as 'tool/mbed/mbed-sdk'
7fa9d8b Squashed 'tool/mbed/mbed-sdk/' content from commit 7c21ce5

git-subtree-dir: tmk_core
git-subtree-split: b9e0ea08cb940de20b3610ecdda18e9d8cd7c552
This commit is contained in:
Jun Wako 2015-04-24 16:26:14 +09:00
parent a20ef7052c
commit 1fe4406f37
4198 changed files with 2016457 additions and 0 deletions
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89
tool/mbed/mbed-sdk/libraries/fs/sd/SDFileSystem.h Normal file
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/* mbed Microcontroller Library
* Copyright (c) 2006-2012 ARM Limited
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef MBED_SDFILESYSTEM_H
#define MBED_SDFILESYSTEM_H
#include "mbed.h"
#include "FATFileSystem.h"
#include <stdint.h>
/** Access the filesystem on an SD Card using SPI
*
* @code
* #include "mbed.h"
* #include "SDFileSystem.h"
*
* SDFileSystem sd(p5, p6, p7, p12, "sd"); // mosi, miso, sclk, cs
*
* int main() {
* FILE *fp = fopen("/sd/myfile.txt", "w");
* fprintf(fp, "Hello World!\n");
* fclose(fp);
* }
*/
class SDFileSystem : public FATFileSystem {
public:
/** Create the File System for accessing an SD Card using SPI
*
* @param mosi SPI mosi pin connected to SD Card
* @param miso SPI miso pin conencted to SD Card
* @param sclk SPI sclk pin connected to SD Card
* @param cs DigitalOut pin used as SD Card chip select
* @param name The name used to access the virtual filesystem
*/
SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name);
virtual int disk_initialize();
virtual int disk_status();
virtual int disk_read(uint8_t* buffer, uint64_t block_number, uint8_t count);
virtual int disk_write(const uint8_t* buffer, uint64_t block_number, uint8_t count);
virtual int disk_sync();
virtual uint64_t disk_sectors();
protected:
int _cmd(int cmd, int arg);
int _cmdx(int cmd, int arg);
int _cmd8();
int _cmd58();
int initialise_card();
int initialise_card_v1();
int initialise_card_v2();
int _read(uint8_t * buffer, uint32_t length);
int _write(const uint8_t *buffer, uint32_t length);
uint64_t _sd_sectors();
uint64_t _sectors;
void set_init_sck(uint32_t sck) { _init_sck = sck; }
// Note: The highest SPI clock rate is 20 MHz for MMC and 25 MHz for SD
void set_transfer_sck(uint32_t sck) { _transfer_sck = sck; }
uint32_t _init_sck;
uint32_t _transfer_sck;
SPI _spi;
DigitalOut _cs;
int cdv;
int _is_initialized;
};
#endif