Seeed / Mbed 2 deprecated SDFileSystem_HelloWorld

a demo code to use Seeed SD Card shield V4.0 with Seeeduino-Arch or Seeeduino-Arch-Pro

Dependencies:   SDFileSystem mbed

Fork of SDFileSystem_HelloWorld by wei zou

main.cpp@3:47f18e0357e4, 2014-02-16 (annotated)

Committer:
lawliet
Date:
Sun Feb 16 03:47:41 2014 +0000
Revision:
3:47f18e0357e4
Parent:
2:86a01df5c8ac 
version 0.1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lawliet 2:86a01df5c8ac 1 /*
lawliet 2:86a01df5c8ac 2 main.cpp
lawliet 2:86a01df5c8ac 3 2014 Copyright (c) Seeed Technology Inc. All right reserved.
lawliet 2:86a01df5c8ac 4
lawliet 2:86a01df5c8ac 5 Author:lawliet zou(lawliet.zou@gmail.com)
lawliet 2:86a01df5c8ac 6 2014-02-10
lawliet 2:86a01df5c8ac 7
lawliet 2:86a01df5c8ac 8 This library is free software; you can redistribute it and/or
lawliet 2:86a01df5c8ac 9 modify it under the terms of the GNU Lesser General Public
lawliet 2:86a01df5c8ac 10 License as published by the Free Software Foundation; either
lawliet 2:86a01df5c8ac 11 version 2.1 of the License, or (at your option) any later version.
lawliet 2:86a01df5c8ac 12
lawliet 2:86a01df5c8ac 13 This library is distributed in the hope that it will be useful,
lawliet 2:86a01df5c8ac 14 but WITHOUT ANY WARRANTY; without even the implied warranty of
lawliet 2:86a01df5c8ac 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
lawliet 2:86a01df5c8ac 16 Lesser General Public License for more details.
lawliet 2:86a01df5c8ac 17
lawliet 2:86a01df5c8ac 18 You should have received a copy of the GNU Lesser General Public
lawliet 2:86a01df5c8ac 19 License along with this library; if not, write to the Free Software
lawliet 2:86a01df5c8ac 20 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
lawliet 2:86a01df5c8ac 21 */
lawliet 3:47f18e0357e4 22
mbed_official 0:bdbd3d6fc5d5 23 #include "mbed.h"
mbed_official 0:bdbd3d6fc5d5 24 #include "SDFileSystem.h"
lawliet 2:86a01df5c8ac 25
pampt 1:63277c702117 26 /*
lawliet 2:86a01df5c8ac 27 SEEED ARCH PRO and SEEED ARCH with Seeed SD Card Shield V4.0
lawliet 2:86a01df5c8ac 28
lawliet 2:86a01df5c8ac 29 Digital Pin 4 which is P1_18 on Seeeduino ARCH and P2_2 on
lawliet 2:86a01df5c8ac 30 Seeeduino ARCH Pro has been used as PIN_CS and should not be
lawliet 2:86a01df5c8ac 31 used any more! pin match is as follow. Have fun!
pampt 1:63277c702117 32 */
pampt 1:63277c702117 33
lawliet 3:47f18e0357e4 34 #if defined(TARGET_LPC11U24) //SEEEDUINO_ARCH
lawliet 3:47f18e0357e4 35 #define PIN_MOSI P1_22
lawliet 3:47f18e0357e4 36 #define PIN_MISO P1_21
lawliet 3:47f18e0357e4 37 #define PIN_SCK P1_20
lawliet 3:47f18e0357e4 38 //#define PIN_CS P1_23
lawliet 3:47f18e0357e4 39 #define PIN_CS P1_18
lawliet 3:47f18e0357e4 40 #elif defined(TARGET_LPC1768) //SEEEDUINO_ARCH_PRO
lawliet 3:47f18e0357e4 41 #define PIN_MOSI P0_18
lawliet 3:47f18e0357e4 42 #define PIN_MISO P0_17
lawliet 3:47f18e0357e4 43 #define PIN_SCK P0_15
lawliet 3:47f18e0357e4 44 //#define PIN_CS P0_16
lawliet 3:47f18e0357e4 45 #define PIN_CS P2_2
lawliet 3:47f18e0357e4 46 #else //please redefine the following pins.
lawliet 3:47f18e0357e4 47 #define PIN_MOSI
lawliet 3:47f18e0357e4 48 #define PIN_MISO
lawliet 3:47f18e0357e4 49 #define PIN_SCK
lawliet 3:47f18e0357e4 50 #define PIN_CS
lawliet 2:86a01df5c8ac 51 #endif
lawliet 2:86a01df5c8ac 52
lawliet 2:86a01df5c8ac 53 SDFileSystem sd(PIN_MOSI, PIN_MISO, PIN_SCK, PIN_CS, "sd"); // MOSI, MISO, SCK, CS
pampt 1:63277c702117 54 Serial pc(USBTX, USBRX);
lawliet 2:86a01df5c8ac 55
lawliet 2:86a01df5c8ac 56 int main()
lawliet 2:86a01df5c8ac 57 {
lawliet 2:86a01df5c8ac 58 pc.printf("Hello World!\n");
lawliet 2:86a01df5c8ac 59
mbed_official 0:bdbd3d6fc5d5 60 mkdir("/sd/mydir", 0777);
lawliet 2:86a01df5c8ac 61
mbed_official 0:bdbd3d6fc5d5 62 FILE *fp = fopen("/sd/mydir/sdtest.txt", "w");
mbed_official 0:bdbd3d6fc5d5 63 if(fp == NULL) {
pampt 1:63277c702117 64 pc.printf("Could not open file for write\n");
mbed_official 0:bdbd3d6fc5d5 65 }
mbed_official 0:bdbd3d6fc5d5 66 fprintf(fp, "Hello fun SD Card World!");
lawliet 2:86a01df5c8ac 67 fclose(fp);
lawliet 2:86a01df5c8ac 68
pampt 1:63277c702117 69 pc.printf("Goodbye World!\n");
mbed_official 0:bdbd3d6fc5d5 70 }