basic software copy

_docs/index.rst

@@ -35,23 +35,36 @@ Hardware
 
 <Brief statement about hardware design, physical design of system>
 
+... something something inexpensive off-the-shelf components all run from a raspberry pi ...
+
 Software
 ========
 
 .. image:: /images/gui_overview_v1_1920px.png
    :width: 100%
    :alt: Gui Overview - modular design, alarm cards, multiple modalities of input, alarm limits represented consistently across ui
 
+PVP's software was developed to bring the philosophy of free and open source software to medical devices. PVP is not only
+open-source from top to bottom, but we have developed it as a framework for an adaptable, general-purpose, communally-developed ventilator.
+
+PVP's ventilation control system is fast, robust, and written entirely in high-level Python (3.7) -- without the development
+and inspection bottlenecks of split computer/microprocessor systems that require users to read and write low-level hardware firmware.
+
+All of PVP's components are modularly designed, allowing them to be reconfigured and expanded for new ventilation modes and
+hardware configurations.
 
-GUI
-----
+We provide complete **API-level documentation** and an **automated testing suite** to give everyone the freedom to inspect,
+understand, and expand PVP's software framework.
+
+.. raw:: html
 
+    <div>
+        <h2>GUI</h2> A modular GUI with intuitive controls and a clear alarm system that can be configured to control any parameter or display values from any sensor.
+        <h2>Controller</h2> ... Manuel write this
+        <h2>IO</h2> A hardware abstraction layer powered by <a href="http://abyz.me.uk/rpi/pigpio/">pigpio</a> that can read/write at [x Hz]
+    </div>
 
-Controller
-----------
 
-IO
---