Prof Greg Egan / Mbed 2 deprecated UAVXArm-GKE

UAVX Multicopter Flight Controller.

Dependencies:   mbed

SDFileSystem/SDFileSystem.h@2:90292f8bd179, 2011-04-26 (annotated)

Committer:
gke
Date:
Tue Apr 26 12:12:29 2011 +0000
Revision:
2:90292f8bd179
Parent:
0:62a1c91a859a 
Not flightworthy. Posted for others to make use of the I2C SW code.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gke 0:62a1c91a859a 1 /* mbed SDFileSystem Library, for providing file access to SD cards
gke 0:62a1c91a859a 2 * Copyright (c) 2008-2010, sford
gke 0:62a1c91a859a 3 *
gke 0:62a1c91a859a 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
gke 0:62a1c91a859a 5 * of this software and associated documentation files (the "Software"), to deal
gke 0:62a1c91a859a 6 * in the Software without restriction, including without limitation the rights
gke 0:62a1c91a859a 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
gke 0:62a1c91a859a 8 * copies of the Software, and to permit persons to whom the Software is
gke 0:62a1c91a859a 9 * furnished to do so, subject to the following conditions:
gke 0:62a1c91a859a 10 *
gke 0:62a1c91a859a 11 * The above copyright notice and this permission notice shall be included in
gke 0:62a1c91a859a 12 * all copies or substantial portions of the Software.
gke 0:62a1c91a859a 13 *
gke 0:62a1c91a859a 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
gke 0:62a1c91a859a 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
gke 0:62a1c91a859a 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
gke 0:62a1c91a859a 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
gke 0:62a1c91a859a 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
gke 0:62a1c91a859a 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
gke 0:62a1c91a859a 20 * THE SOFTWARE.
gke 0:62a1c91a859a 21 */
gke 0:62a1c91a859a 22
gke 0:62a1c91a859a 23 #ifndef MBED_SDFILESYSTEM_H
gke 0:62a1c91a859a 24 #define MBED_SDFILESYSTEM_H
gke 0:62a1c91a859a 25
gke 0:62a1c91a859a 26 #include "mbed.h"
gke 0:62a1c91a859a 27 #include "FATFileSystem.h"
gke 0:62a1c91a859a 28
gke 0:62a1c91a859a 29 /** Access the filesystem on an SD Card using SPI
gke 0:62a1c91a859a 30 *
gke 0:62a1c91a859a 31 * @code
gke 0:62a1c91a859a 32 * #include "mbed.h"
gke 0:62a1c91a859a 33 * #include "SDFileSystem.h"
gke 0:62a1c91a859a 34 *
gke 0:62a1c91a859a 35 * SDFileSystem sd(p5, p6, p7, p12, "sd"); // mosi, miso, sclk, cs
gke 0:62a1c91a859a 36 *
gke 0:62a1c91a859a 37 * int main() {
gke 0:62a1c91a859a 38 * FILE *fp = fopen("/sd/myfile.txt", "w");
gke 0:62a1c91a859a 39 * fprintf(fp, "Hello World!\n");
gke 0:62a1c91a859a 40 * fclose(fp);
gke 0:62a1c91a859a 41 * }
gke 0:62a1c91a859a 42 */
gke 0:62a1c91a859a 43 class SDFileSystem : public FATFileSystem {
gke 0:62a1c91a859a 44 public:
gke 0:62a1c91a859a 45
gke 0:62a1c91a859a 46 /** Create the File System for accessing an SD Card using SPI
gke 0:62a1c91a859a 47 *
gke 0:62a1c91a859a 48 * @param mosi SPI mosi pin connected to SD Card
gke 0:62a1c91a859a 49 * @param miso SPI miso pin conencted to SD Card
gke 0:62a1c91a859a 50 * @param sclk SPI sclk pin connected to SD Card
gke 0:62a1c91a859a 51 * @param cs DigitalOut pin used as SD Card chip select
gke 0:62a1c91a859a 52 * @param name The name used to access the virtual filesystem
gke 0:62a1c91a859a 53 */
gke 0:62a1c91a859a 54 SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name);
gke 0:62a1c91a859a 55 virtual int disk_initialize();
gke 0:62a1c91a859a 56 virtual int disk_write(const char *buffer, int block_number);
gke 0:62a1c91a859a 57 virtual int disk_read(char *buffer, int block_number);
gke 0:62a1c91a859a 58 virtual int disk_status();
gke 0:62a1c91a859a 59 virtual int disk_sync();
gke 0:62a1c91a859a 60 virtual int disk_sectors();
gke 0:62a1c91a859a 61
gke 0:62a1c91a859a 62 int initialise_card(); // unprotect to use to check for disk presence - gke
gke 0:62a1c91a859a 63
gke 0:62a1c91a859a 64 protected:
gke 0:62a1c91a859a 65
gke 0:62a1c91a859a 66 int _cmd(int cmd, int arg);
gke 0:62a1c91a859a 67 int _cmdx(int cmd, int arg);
gke 0:62a1c91a859a 68 int _cmd8();
gke 0:62a1c91a859a 69 int _cmd58();
gke 0:62a1c91a859a 70 // int initialise_card();
gke 0:62a1c91a859a 71 int initialise_card_v1();
gke 0:62a1c91a859a 72 int initialise_card_v2();
gke 0:62a1c91a859a 73
gke 0:62a1c91a859a 74 int _read(char *buffer, int length);
gke 0:62a1c91a859a 75 int _write(const char *buffer, int length);
gke 0:62a1c91a859a 76 int _sd_sectors();
gke 0:62a1c91a859a 77 int _sectors;
gke 0:62a1c91a859a 78
gke 0:62a1c91a859a 79 SPI _spi;
gke 0:62a1c91a859a 80 DigitalOut _cs;
gke 0:62a1c91a859a 81 };
gke 0:62a1c91a859a 82
gke 0:62a1c91a859a 83 #endif