the code for Lab3

Fork of ADCandticker_sample by William Marsh

Revision:
1:126dd2f5fc2d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Wed Jan 24 21:55:43 2018 +0000
@@ -0,0 +1,1 @@
+https://github.com/ARMmbed/mbed-os/#96d9a00d0a1d25095b330095fa81c40f7741777c