From 9b5acea1603b1d0a293d328d8edf7cd7ee24cf1c Mon Sep 17 00:00:00 2001
From: Krzysztof <krzychb@gazeta.pl>
Date: Wed, 13 May 2020 23:05:07 +0200
Subject: [PATCH] Add missing link to ulp header files and link to example
 following https://esp32.com/viewtopic.php?f=2&t=15562

---
 components/ulp/README.rst | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/components/ulp/README.rst b/components/ulp/README.rst
index f4c027cd7..fbe1dafce 100644
--- a/components/ulp/README.rst
+++ b/components/ulp/README.rst
@@ -1,5 +1,5 @@
-Programming ULP coprocessor using C macros
-==========================================
+Programming ULP coprocessor using C macros (legacy)
+===================================================
 
 In addition to the existing binutils port for the ESP32 ULP coprocessor, it is possible to generate programs for the ULP by embedding assembly-like macros into an ESP32 application. Here is an example how this can be done::
 
@@ -51,6 +51,23 @@ Here is an example of using labels and branches::
     ulp_run(load_addr);
 
 
+Application Example
+-------------------
+
+Demonstration of entering into deep sleep mode and waking up using several wake up sources: :example:`system/deep_sleep`.
+
+
+API Reference
+-------------
+
+Header File
+^^^^^^^^^^^
+
+.. list::
+
+    :esp32: - :component_file:`ulp/include/esp32/ulp.h`
+    :esp32s2: - :component_file:`ulp/include/esp32s2/ulp.h`
+
 Functions
 ^^^^^^^^^