More complete data reader

Should implement all the functionality one needs to avoid using the provided
software that ships with the device.

1 files changed, 17 insertions, 1 deletions

diff --git a/README.md b/README.md
index 039680b..9cb44c3 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,18 @@
 dexcom_reader
-=============
\ No newline at end of file
+=============
+
+This is a handful of scripts for dumping data from a Dexcom G4 Glucose Monitor
+connected to a computer with USB.
+
+Out of the box dumps data like:
+
+% python readdata.py 
+Found Dexcom G4 Receiver S/N: SMXXXXXXXX
+Transmitter paired: 6XXXXX
+Battery Status: CHARGING (83%)
+  Record count:
+  - Meter records: 340
+  - CGM records: 3340
+  - CGM commitable records: 3340
+  - Event records: 15
+  - Insertion records: 4