SD card test

Dependencies:   SDBlockDevice

Revision:
0:1f63a5db1425
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.gitignore	Wed Dec 11 03:52:04 2019 +0000
@@ -0,0 +1,4 @@
+.build
+.mbed
+projectfiles
+*.py*