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Put counter board output into separate tabs. #233

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Put counter board output into separate tabs. #233

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63d9caf
Put counter board output into separate tabs.
mithro Dec 29, 2021
e67ca82
Merge branch 'main' into board-fix
mithro Sep 6, 2024
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63 changes: 34 additions & 29 deletions xc7/counter_test/README.rst
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Expand Up @@ -45,52 +45,57 @@ At completion, the bitstreams are located in the build directory:

counter_test/build/<board>

Now, for **Arty and Basys3**, you can upload the design with:

.. code-block:: bash
.. tabs::

TARGET="<board type>" make download -C counter_test
.. tab:: Arty and Basys 3

Now, for **Arty and Basys3**, you can upload the design with:

The result should be as follows:
.. code-block:: bash

.. image:: ../../docs/images/counter-example-arty.gif
:align: center
:width: 50%
TARGET="<board type>" make download -C counter_test

For **Zybo**, please follow the `guide on how to load a bitstream from U-boot <https://f4pga-examples.readthedocs.io/en/latest/running-examples.html#load-bitstream-from-u-boot>`_.
The result should be as follows:

.. image:: ../../docs/images/counter-example-arty.gif
:align: center
:width: 50%

Once the bitstream is loaded, the result should be as follows:
.. tab:: Zybo

.. image:: ../../docs/images/counter-example-zyboz7.gif
:align: center
:width: 50%
For **Zybo**, please follow the `guide on how to load a bitstream from U-boot <https://symbiflow-examples.readthedocs.io/en/latest/running-examples.html#load-bitstream-from-u-boot>`_.

On the picocom terminal, you can control the counter behaviour to stop it, or let it count backwards, by toggling values of the EMIO pins of the ARM Processing System (PS).
Once the bitstream is loaded, the result should be as follows:

You can control the counter enable signal with:
.. image:: ../../docs/images/counter-example-zyboz7.gif
:align: center
:width: 50%

.. code-block:: bash
On the picocom terminal, you can control the counter behaviour to stop it, or let it count backwards, by toggling values of the EMIO pins of the ARM Processing System (PS).

gpio set 54
gpio clear 54
You can control the counter enable signal with:

If GPIO 54 is set, the counter is disabled. It is enabled if the GPIO 54 is cleared. The result should be as follows:
.. code-block:: bash

.. image:: ../../docs/images/counter-example-zyboz7-clken.gif
:align: center
:width: 50%
gpio set 54
gpio clear 54

You can control the counter direction with:
If GPIO 54 is set, the counter is disabled. It is enabled if the GPIO 54 is cleared. The result should be as follows:

.. code-block:: bash
.. image:: ../../docs/images/counter-example-zyboz7-clken.gif
:align: center
:width: 50%

You can control the counter direction with:

.. code-block:: bash

gpio set 55
gpio clear 55
gpio set 55
gpio clear 55

If GPIO 55 is set, the counter goes backwards. It goes forwared if the GPIO 54 is cleared. The result should be as follows:
If GPIO 55 is set, the counter goes backwards. It goes forwared if the GPIO 54 is cleared. The result should be as follows:

.. image:: ../../docs/images/counter-example-zyboz7-reverse.gif
:align: center
:width: 50%
.. image:: ../../docs/images/counter-example-zyboz7-reverse.gif
:align: center
:width: 50%