Example program demonstrates SD card library

Dependencies:   SDFileSystem USBDevice max32630fthr

Fork of FTHR_SD_Demo by Greg Steiert

This example program writes "Hello World!" into a file named "myfile.txt" on the card inserted into the microSD card connector.

Revision:
0:60a522ae2e35
Child:
7:37d8023d0fb4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBDevice.lib	Fri Nov 11 21:08:36 2016 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/teams/MaximIntegrated/code/USBDevice/#c5e178adb138