From 69a55c8b7e413b70fdbdc04436c84dd79a6b598a Mon Sep 17 00:00:00 2001
From: TT <edy555@gmail.com>
Date: Sat, 24 Aug 2019 10:53:08 +0900
Subject: [PATCH] script: add requirements.txt and usage to capture in README

---
 python/README.md        | 7 +++++--
 python/requirements.txt | 4 ++++
 2 files changed, 9 insertions(+), 2 deletions(-)
 create mode 100644 python/requirements.txt

diff --git a/python/README.md b/python/README.md
index 1c04702..6fada28 100644
--- a/python/README.md
+++ b/python/README.md
@@ -5,8 +5,7 @@ NanoVNA is able to be controlled via USB serial interface from PC. There are sam
 ## Preparation
 
     $ cd python
-    $ pip install numpy
-    $ pip install scikit-rf   
+    $ pip3 install -r requirements.txt
 
 ## Run
 
@@ -22,6 +21,10 @@ NanoVNA is able to be controlled via USB serial interface from PC. There are sam
 
     $ ./nanovna.py -s
 
+### Capture display
+
+    $ ./nanovna.py -C out.png
+
 ### Show usage.
 
     $ ./nanovna.py -h
diff --git a/python/requirements.txt b/python/requirements.txt
new file mode 100644
index 0000000..9e06290
--- /dev/null
+++ b/python/requirements.txt
@@ -0,0 +1,4 @@
+matplotlib
+scipy
+scikit-rf
+pillow