Fixed docs for VTR examples

Signed-off-by: Maciej Kurc <mkurc@antmicro.com>
diff --git a/tests/test_v2x.py b/tests/test_v2x.py
index 8c3c83c..bfefe66 100644
--- a/tests/test_v2x.py
+++ b/tests/test_v2x.py
@@ -73,10 +73,10 @@
     with open(newpbfile, 'w') as model:
         model.write(pbtypeout)
 
-    # Generate ff.pb_type.xml required by various tests
-    newpbfile = os.path.join(testdir, 'vtr/lutff-pair/ff/ff.pb_type.xml')
+    # Generate dff.pb_type.xml required by various tests
+    newpbfile = os.path.join(testdir, 'vtr/lutff-pair/dff/dff.pb_type.xml')
     pbtypeout = vlog_to_pbtype.vlog_to_pbtype(
-        [os.path.join(testdir, 'vtr/lutff-pair/ff/ff.sim.v')],
+        [os.path.join(testdir, 'vtr/lutff-pair/dff/dff.sim.v')],
         newpbfile,
         'DFF')
     with open(newpbfile, 'w') as model:
diff --git a/tests/vtr/README.rst b/tests/vtr/README.rst
new file mode 100644
index 0000000..fe1cb76
--- /dev/null
+++ b/tests/vtr/README.rst
@@ -0,0 +1,9 @@
+.. Examples from the Verilog to Routing documentation / tutorials.
+
+Verilog to Routing
+==================
+
+The following shows some examples taken from the `Verilog to Routing documentation <https://docs.verilogtorouting.org>`_.
+
+.. toctree::
+   primitives.rst
diff --git a/tests/vtr/dff/README.md b/tests/vtr/dff/README.md
deleted file mode 100644
index c4c2fe3..0000000
--- a/tests/vtr/dff/README.md
+++ /dev/null
@@ -1,28 +0,0 @@
-# Classical D-Flip-Flop test
-
-An example of the classical D-Flip-Flop.
-
-This is shown in `Figure 43 - DFF` of the
-["Sequential block (no internal paths)"](https://docs.verilogtorouting.org/en/latest/tutorials/arch/timing_modeling/#sequential-block-no-internal-paths)
-section in the
-[Primitive Block Timing Modeling Tutorial](https://docs.verilogtorouting.org/en/latest/tutorials/arch/timing_modeling/#)
-of the
-[Verilog to Routing documentation](https://docs.verilogtorouting.org)
-and reproduced below;
-
-> ![Figure 43 from Verilog to Routing Documentation](dff.svg)
-> *Fig. 43 DFF*
-
-## Clock associations inference
-
- - [ ] automatic inference is signal is associated with any clock and include the info in the model
- - [ ] automatic clock detection (signals named `clk` are considered as clocks)
-
-## Blackbox detection
-
- - [ ] model of the leaf `pb_type` is generated
- - [ ] leaf `pb_type` XML is generated
-
-## Timings
-
- - [ ] all the timings defined for wires with attributes should be included in `pb_type` XML
diff --git a/tests/vtr/dff/README.rst b/tests/vtr/dff/README.rst
index 79ce265..0d0ee49 100644
--- a/tests/vtr/dff/README.rst
+++ b/tests/vtr/dff/README.rst
@@ -6,29 +6,27 @@
 .. |fig60| replace:: ``Figure 60 - DFF``
 .. _fig60: https://docs.verilogtorouting.org/en/latest/tutorials/arch/timing_modeling/#sequential-block-no-internal-paths
 
-.. image:: ../../../tests/vtr/dff/dff.svg
+.. image:: dff.svg
    :alt: Figure 60 from Verilog to Routing Documentation
 
 *Fig. 60 - DFF*
 
 |
 
-.. symbolator:: ../../../tests/vtr/dff/dff.sim.v
-
-.. verilog-diagram:: ../../../tests/vtr/dff/dff.sim.v
-   :type: netlistsvg
-   :module: DFF
 
 |
 
-.. no-license:: ../../../tests/vtr/dff/dff.sim.v
+.. no-license:: dff.sim.v
    :language: verilog
-   :caption: tests/vtr/dff/dff.sim.v
+   :caption: dff.sim.v
 
-.. no-license:: ../../../tests/vtr/dff/golden.model.xml
+.. no-license:: dff.model.xml
    :language: xml
-   :caption: tests/vtr/dff/golden.model.xml
+   :caption: dff.model.xml
 
+.. no-license:: dff.pb_type.xml
+   :language: xml
+   :caption: dff.pb_type.xml
 
 Clock associations inference
 ****************************
diff --git a/tests/vtr/full-adder/README.md b/tests/vtr/full-adder/README.md
deleted file mode 100644
index 08f302d..0000000
--- a/tests/vtr/full-adder/README.md
+++ /dev/null
@@ -1,27 +0,0 @@
-# Full Adder Example
-
-An example of the classical combinational ["full adder"](https://en.wikipedia.org/wiki/Adder_(electronics)#Full_adder) circuit.
-
-This is shown in `Figure 41 - Full Adder` of the
-["Combinational block"](https://docs.verilogtorouting.org/en/latest/tutorials/arch/timing_modeling/#combinational-block)
-section in the
-[Primitive Block Timing Modeling Tutorial](https://docs.verilogtorouting.org/en/latest/tutorials/arch/timing_modeling/#)
-of the
-[Verilog to Routing documentation](https://docs.verilogtorouting.org)
-and reproduced below;
-
-> ![Figure 41 from Verilog to Routing Documentation](full-adder.svg)
-> *Fig. 41 Full Adder*
-
-## Detection of combinational connections
-
- - [ ] output has combinational connection with input
-
-## Blackbox detection
-
- - [ ] model of the leaf `pb_type` is generated
- - [ ] leaf `pb_type` XML is generated
-
-## Timings
-
- - [ ] all the timings defined for wires with attributes should be included in `pb_type` XML
diff --git a/tests/vtr/full-adder/README.rst b/tests/vtr/full-adder/README.rst
index 8087fb6..7f14b68 100644
--- a/tests/vtr/full-adder/README.rst
+++ b/tests/vtr/full-adder/README.rst
@@ -6,32 +6,32 @@
 .. |fig59| replace:: ``Figure 59 - Full Adder``
 .. _fig59: https://docs.verilogtorouting.org/en/latest/tutorials/arch/timing_modeling/#combinational-block
 
-.. image:: ../../../tests/vtr/full-adder/full-adder.svg
+.. image:: full-adder.svg
    :alt: Figure 59 from Verilog to Routing Documentation
 
 *Fig. 59 - Full Adder*
 
 |
 
-.. symbolator::  ../../../tests/vtr/full-adder/adder.sim.v
+.. symbolator:: adder.sim.v
 
-.. verilog-diagram:: ../../../tests/vtr/full-adder/adder.sim.v
+.. verilog-diagram:: adder.sim.v
    :type: netlistsvg
    :module: ADDER
 
 |
 
-.. no-license::  ../../../tests/vtr/full-adder/adder.sim.v
+.. no-license::  adder.sim.v
    :language: verilog
-   :caption: tests/vtr/full-adder/adder.sim.v
+   :caption: adder.sim.v
 
-.. no-license:: ../../../tests/vtr/full-adder/golden.model.xml
+.. no-license:: adder.model.xml
    :language: xml
-   :caption: tests/vtr/full-adder/golden.model.xml
+   :caption: adder.model.xml
 
-.. no-license:: ../../../tests/vtr/full-adder/golden.pb_type.xml
+.. no-license:: adder.pb_type.xml
    :language: xml
-   :caption: tests/vtr/full-adder/golden.pb_type.xml
+   :caption: adder.pb_type.xml
 
 
 Detection of combinational connections
diff --git a/tests/vtr/lutff-pair/README.md b/tests/vtr/lutff-pair/README.md
deleted file mode 100644
index dbd5796..0000000
--- a/tests/vtr/lutff-pair/README.md
+++ /dev/null
@@ -1,20 +0,0 @@
-# LUT with FlipFlop Example
-
-An example of the classical LUT with FlipFlop pair.
-
-This is shown in `Figure 28` of the
-[Architecture Reference section of the Verilog to Routing Documentation](https://docs.verilogtorouting.org/en/latest/arch/reference)
-and reproduced below;
-
-> ![Figure 28 from Verilog to Routing Documentation](lutff-pair.png)
-> *Fig. 28 Pack Pattern Example.*
-
-## Blackbox detection
-
- - [ ] model of the leaf `pb_type` is generated
- - [ ] leaf `pb_type` XML is generated
- - [ ] all dependency models and `pb_type`s are included in the output files
-
-## Carry chain inference
-
- - [ ] `pack_pattern` inference - `pack_pattern`s defined on wires with `pack` attributes should be propagated to `pb_type` XMLs
diff --git a/tests/vtr/lutff-pair/README.rst b/tests/vtr/lutff-pair/README.rst
index e6550a8..6454c41 100644
--- a/tests/vtr/lutff-pair/README.rst
+++ b/tests/vtr/lutff-pair/README.rst
@@ -6,32 +6,32 @@
 .. |fig31| replace:: ``Figure 31 - Pack Pattern Example``
 .. _fig31: https://docs.verilogtorouting.org/en/latest/arch/reference/#id35
 
-.. image:: ../../../tests/vtr/lutff-pair/lutff-pair.png
+.. image:: lutff-pair.png
    :alt: Figure 31 from Verilog to Routing Documentation
 
 *Fig. 31 - Pack Pattern Example*
 
 |
 
-.. symbolator:: ../../../tests/vtr/lutff-pair/pair.sim.v
+.. symbolator:: pair.sim.v
 
-.. .. verilog-diagram:: ../../../tests/vtr/lutff-pair/pair.sim.v
-..    :type: netlistsvg
-..    :module: PAIR
+.. verilog-diagram:: pair.sim.v
+   :type: netlistsvg
+   :module: PAIR
 
 |
 
-.. no-license::  ../../../tests/vtr/lutff-pair/pair.sim.v
+.. no-license::  pair.sim.v
    :language: verilog
-   :caption: tests/vtr/lutff-pair/pair.sim.v
+   :caption: pair.sim.v
 
-.. no-license:: ../../../tests/vtr/lutff-pair/golden.model.xml
+.. no-license:: pair.model.xml
    :language: xml
-   :caption: tests/vtr/lutff-pair/golden.model.xml
+   :caption: pair.model.xml
 
-.. no-license:: ../../../tests/vtr/lutff-pair/golden.pb_type.xml
+.. no-license:: pair.pb_type.xml
    :language: xml
-   :caption: tests/vtr/lutff-pair/golden.pb_type.xml
+   :caption: pair.pb_type.xml
 
 Blackbox detection
 ------------------
diff --git a/tests/vtr/lutff-pair/ff/ff.sim.v b/tests/vtr/lutff-pair/dff/dff.sim.v
similarity index 100%
rename from tests/vtr/lutff-pair/ff/ff.sim.v
rename to tests/vtr/lutff-pair/dff/dff.sim.v
diff --git a/tests/vtr/lutff-pair/ff/golden.model.xml b/tests/vtr/lutff-pair/dff/golden.model.xml
similarity index 100%
rename from tests/vtr/lutff-pair/ff/golden.model.xml
rename to tests/vtr/lutff-pair/dff/golden.model.xml
diff --git a/tests/vtr/lutff-pair/golden.model.xml b/tests/vtr/lutff-pair/golden.model.xml
index 59092ef..1a85f1e 100644
--- a/tests/vtr/lutff-pair/golden.model.xml
+++ b/tests/vtr/lutff-pair/golden.model.xml
@@ -1,5 +1,5 @@
 <models xmlns:xi="http://www.w3.org/2001/XInclude">
-  <xi:include href="ff/ff.model.xml" xpointer="xpointer(models/child::node())"/>
+  <xi:include href="dff/dff.model.xml" xpointer="xpointer(models/child::node())"/>
   <xi:include href="lut/lut4.model.xml" xpointer="xpointer(models/child::node())"/>
   <xi:include href="omux/omux.model.xml" xpointer="xpointer(models/child::node())"/>
 </models>
diff --git a/tests/vtr/lutff-pair/golden.pb_type.xml b/tests/vtr/lutff-pair/golden.pb_type.xml
index ea403db..66bb865 100644
--- a/tests/vtr/lutff-pair/golden.pb_type.xml
+++ b/tests/vtr/lutff-pair/golden.pb_type.xml
@@ -3,8 +3,8 @@
   <clock name="CLK" num_pins="1"/>
   <input name="I" num_pins="4"/>
   <output name="O" num_pins="1"/>
-  <pb_type name="ff" num_pb="1">
-    <xi:include href="ff/ff.pb_type.xml" xpointer="xpointer(pb_type/child::node())"/>
+  <pb_type name="dff" num_pb="1">
+    <xi:include href="dff/dff.pb_type.xml" xpointer="xpointer(pb_type/child::node())"/>
   </pb_type>
   <pb_type name="lut" num_pb="1">
     <xi:include href="lut/lut4.pb_type.xml" xpointer="xpointer(pb_type/child::node())"/>
@@ -12,14 +12,14 @@
   <interconnect>
     <direct>
       <port name="CLK" type="input"/>
-      <port from="ff" name="CLK" type="output"/>
+      <port from="dff" name="CLK" type="output"/>
     </direct>
     <direct>
       <port from="lut" name="O" type="input"/>
-      <port from="ff" name="D" type="output"/>
+      <port from="dff" name="D" type="output"/>
       <pack_pattern name="LUT2FF" type="pack">
         <port from="lut" name="O" type="input"/>
-        <port from="ff" name="D" type="output"/>
+        <port from="dff" name="D" type="output"/>
       </pack_pattern>
     </direct>
     <direct>
@@ -39,7 +39,7 @@
       <port from="lut" name="I[3]" type="output"/>
     </direct>
     <mux name="mux">
-      <port from="ff" name="Q" type="input">
+      <port from="dff" name="Q" type="input">
         <metadata>
           <meta name="fasm_mux">F</meta>
         </metadata>
diff --git a/tests/vtr/lutff-pair/pair.sim.v b/tests/vtr/lutff-pair/pair.sim.v
index 025bea2..7f7e8b5 100644
--- a/tests/vtr/lutff-pair/pair.sim.v
+++ b/tests/vtr/lutff-pair/pair.sim.v
@@ -9,7 +9,7 @@
  */
 
 `include "lut/lut4.sim.v"
-`include "ff/ff.sim.v"
+`include "dff/dff.sim.v"
 `include "omux/omux.sim.v"
 
 module PAIR (
@@ -28,7 +28,7 @@
 	LUT4 lut (.I(I), .O(lut_out));
 
 	wire ff_out;
-	DFF ff (.CLK(CLK), .D(lut_out), .Q(ff_out));
+	DFF dff (.CLK(CLK), .D(lut_out), .Q(ff_out));
 
 	parameter FF_BYPASS = "F";
 	OMUX #(.MODE(FF_BYPASS)) mux(.L(lut_out), .F(ff_out), .O(O));
diff --git a/tests/vtr/primitives.rst b/tests/vtr/primitives.rst
new file mode 100644
index 0000000..20281f4
--- /dev/null
+++ b/tests/vtr/primitives.rst
@@ -0,0 +1,11 @@
+Primitive Block Timing Modeling Tutorial
+========================================
+
+The following shows examples taken from the
+`Primitive Block Timing Modeling Tutorial <https://docs.verilogtorouting.org/en/latest/tutorials/arch/timing_modeling/#>`_
+in the `Verilog to Routing documentation <https://docs.verilogtorouting.org>`_.
+
+.. toctree::
+   dff/README.rst
+   full-adder/README.rst
+   lutff-pair/README.rst