Revision:
0:9830d14e7908
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Tue Dec 10 19:34:53 2019 +0000
@@ -0,0 +1,1 @@
+https://github.com/ARMmbed/mbed-os/#3a57ec7401a77b8b98f6356a1498cb154229483f