From 27fe2006de287ba11ff7db01d3c6b3d0ba116a17 Mon Sep 17 00:00:00 2001
From: Krzysztof <krzychb@gazeta.pl>
Date: Fri, 3 May 2019 21:18:18 +0800
Subject: [PATCH] Fixed Breathe version to avoid docs build failure on
 ReadTheDocs server. Provided RTD project configuration file to be able to
 select python version for specific to esp-idf release.

---
 .readthedocs.yml      | 17 +++++++++++++++++
 docs/requirements.txt |  2 +-
 2 files changed, 18 insertions(+), 1 deletion(-)
 create mode 100644 .readthedocs.yml

diff --git a/.readthedocs.yml b/.readthedocs.yml
new file mode 100644
index 000000000..569fae4c4
--- /dev/null
+++ b/.readthedocs.yml
@@ -0,0 +1,17 @@
+# .readthedocs.yml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Optionally build your docs in additional formats such as PDF and ePub
+formats:
+  - htmlzip
+  - pdf
+
+# Optionally set the version of Python and requirements required to build your docs
+python:
+  version: 2.7
+  install:
+    - requirements: docs/requirements.txt
\ No newline at end of file
diff --git a/docs/requirements.txt b/docs/requirements.txt
index c7f071029..3676a3c39 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -2,7 +2,7 @@
 # pip install --user -r requirements.txt
 #
 sphinx>=1.8.4
-breathe>=4.11.1
+breathe==4.11.1
 sphinx-rtd-theme
 sphinx-notfound-page
 sphinxcontrib-blockdiag>=1.5.5