Diff: main.cpp

Revision:

0:0f3ea0944add

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Apr 29 12:49:33 2014 +0000
@@ -0,0 +1,49 @@
+/*
+  main.cpp
+  2014 Copyright (c) Seeed Technology Inc.  All right reserved.
+
+  Author:lawliet zou(lawliet.zou@gmail.com)
+  2014-4-29
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+#include "mbed.h"
+#include "USBSerial.h"
+#include "SDFileSystem.h"
+
+SDFileSystem sd(P1_22, P1_21, P1_20, P1_23, "sd"); // mosi, miso, sclk, cs
+USBSerial pc;
+FILE *fp;
+
+int main()
+{
+    pc.printf("Initializing\r\n");
+
+    fp = fopen("/sd/hello.txt", "r");
+    if (fp != NULL) {
+        fclose(fp);
+        remove("/sd/hello.txt");
+        pc.printf("Remove an existing file with the same name\r\n");
+    }
+
+    fp = fopen("/sd/hello.txt", "w");
+    if (fp == NULL) {
+        pc.printf("Unable to write the file\r\n");
+    } else {
+        fprintf(fp, "mbed SDCard application!");
+        fclose(fp);
+        pc.printf("File successfully written!\r\n");
+    }
+}
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