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Doc fixing

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AurelienUoU 2019-09-30 10:29:42 -06:00
parent fdc3c5e4a9
commit 74f7a3cfb2
2 changed files with 11 additions and 9 deletions
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docs/source/arch_lang/figures/point2point_truthtable.png
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docs/source/arch_lang/interconnect.rst
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@ -26,7 +26,9 @@ Our extension include three more options:
<direct name="string" from_pin="string" to_pin="string" x_offset="int" y_offset="int" z_offset="int" switch_name="string" interconnection_type="string" x_dir="string" y_dir="string"/> <direct name="string" from_pin="string" to_pin="string" x_offset="int" y_offset="int" z_offset="int" switch_name="string" interconnection_type="string" x_dir="string" y_dir="string"/>
</directlist> </directlist>
* **interconnection_type**: [``NONE`` | ``column`` | ``row``], specifies if it applies on a column or a row ot if it doesn't apply. This option is optional and do not need to be set for any direct connection in the direclist. If this option is set *x_dir* and *y_dir* are required. .. note:: these options are optional. However, if *interconnection_type* is set *x_dir* and *y_dir* are required.
* **interconnection_type**: [``NONE`` | ``column`` | ``row``], specifies if it applies on a column or a row ot if it doesn't apply.
* **x_dir**: [``positive`` | ``negative``], specifies if the next cell to connect has a bigger or lower x value. Considering a coordinate system where (0,0) is the origin at the bottom left and *x* and *y* are positives: * **x_dir**: [``positive`` | ``negative``], specifies if the next cell to connect has a bigger or lower x value. Considering a coordinate system where (0,0) is the origin at the bottom left and *x* and *y* are positives:
@ -50,7 +52,7 @@ Our extension include three more options:
* interconnection_type="row": a row will be connected on an **above** row, if it exists. * interconnection_type="row": a row will be connected on an **above** row, if it exists.
* y_dir="positive": * y_dir="negative":
* interconnection_type="column": the **top** cell of a column will be connected to the next column **bottom** cell, if it exists. * interconnection_type="column": the **top** cell of a column will be connected to the next column **bottom** cell, if it exists.
@ -67,13 +69,13 @@ For this example, we will study a scan-chain implementation.The description coul
<direct name="scff_chain" from_pin="clb.sc_out" to_pin="clb.sc_in" x_offset="0" y_offset="-1" z_offset="0" interconnection_type="column" x_dir="positive" y_dir="positive"/> <direct name="scff_chain" from_pin="clb.sc_out" to_pin="clb.sc_in" x_offset="0" y_offset="-1" z_offset="0" interconnection_type="column" x_dir="positive" y_dir="positive"/>
</directlist> </directlist>
:numref:`fig_p2p_expl` is the graphical representation of the above scan-chain description on a 4x4 FPGA. :numref:`fig_p2p_exple` is the graphical representation of the above scan-chain description on a 4x4 FPGA.
.. _fig_p2p_expl: .. _fig_p2p_exple:
.. figure:: ./figures/point2point_example.png .. figure:: ./figures/point2point_example.png
:scale: 100%
:alt: example of scan-chain implementation An example of scan-chain implementation
In this figure, the red arrows represent the initial direct connection. The green arrows represent the point to point connection to connect all the columns of CLB together. In this figure, the red arrows represent the initial direct connection. The green arrows represent the point to point connection to connect all the columns of CLB together.
@ -85,8 +87,8 @@ A point to point connection can be applied in different ways than showed in the
:numref:`fig_p2p_trtable` provides all possible variable combination and the connection it will generate. :numref:`fig_p2p_trtable` provides all possible variable combination and the connection it will generate.
.. _fig_p2p_expl: .. _fig_p2p_trtable:
.. figure:: ./figures/point2point_truthtable.png .. figure:: ./figures/point2point_truthtable.png
:scale: 100%
:alt: point to point truth table Point to point truth table