Add WiFi signal API docs page

api/sensor/index.rst

@@ -29,6 +29,7 @@ See :cpp:func:`Application::register_sensor`.
     max6675.rst
     rotary_encoder.rst
     template.rst
+    wifi_signal.rst
 
 
 API Reference

api/sensor/wifi_signal.rst

@@ -0,0 +1,23 @@
+WiFi Signal Sensor
+==================
+
+Example Usage
+-------------
+
+.. code-block:: cpp
+
+    App.make_wifi_signal_sensor("WiFi Signal Sensor");
+
+.. cpp:namespace:: nullptr
+
+See :cpp:func:`Application::make_wifi_signal_sensor`.
+
+API Reference
+-------------
+
+.. cpp:namespace:: nullptr
+
+.. doxygenclass:: sensor::WiFiSignalSensor
+    :members:
+    :protected-members:
+    :undoc-members:

esphomeyaml/components/sensor/wifi_signal.rst

@@ -2,7 +2,7 @@ WiFi Signal Sensor
 ==================
 
 The ``wifi_signal`` sensor platform allows you to read the signal
-strength of the currently connected WiFi Access Point.
+strength of the currently connected :doc:`WiFi Access Point </esphomeyaml/components/wifi>`.
 
 The sensor value is the `"Received signal strength indication" <https://en.wikipedia.org/wiki/Received_signal_strength_indication>`__
 measured in decibels. These values are always negative and the closer they are to zero, the better the signal is.
@@ -37,6 +37,6 @@ See Also
 --------
 
 - :ref:`sensor-filters`
-- :doc:`adc`
-- :doc:`API Reference </api/sensor/adc-sensor>`
+- :doc:`/esphomeyaml/components/wifi`
+- :doc:`API Reference </api/sensor/wifi_signal>`
 - `Edit this page on GitHub <https://github.com/OttoWinter/esphomedocs/blob/current/esphomeyaml/components/sensor/wifi_signal.rst>`__