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trying to convert README to rst

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Joachim
2020-04-02 09:19:26 +02:00
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esp32/README.rst
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================
OpenCV for Esp32
================
This is a clone of OpenCV (from commit 8808aaccffaec43d5d276af493ff408d81d4593c), modified to be cross-compiled on the ESP32. This Readme explains how to cross-compile on the ESP32 and also some details on the steps done.
Hardware
********
========
The tests were done on the ESP32D0WDQ6 (revision 1):
@ -20,7 +22,7 @@ The tests were done on the ESP32D0WDQ6 (revision 1):
Benchmark
*********
=========
Below is a summary of the OpenCV features tested on the ESP32 and the time they took (adding the heap/stack used could also be useful).
@ -29,7 +31,7 @@ Below is a summary of the OpenCV features tested on the ESP32 and the time they
Installing esp-idf toolchain
****************************
============================
First thing to do is to install the toolchain for the esp32 (see https://docs.espressif.com/projects/esp-idf/en/latest/get-started/index.html)
.. code-block:: shell
@ -52,7 +54,7 @@ This script can be found in [esp32/scripts/install_esp32_toolchain.sh](esp32/scr
OpenCV cross-compilation:
*************************
=========================
This is the interesting part. OpenCV is statically cross-compiled. There are 3 ways to get it.
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Get project RAM and Flash usages
***********************************
===================================
At compilation time:
--------------------
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Adding images codecs support
****************************
============================
Things done to read/writes images in JPEG, PNG, etc..
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Adding parallel support
***********************
=======================
TODO
Removing OpenCV unnecessary parts
*********************************
=================================
Opencv is quite big, even when compiling only the core, imgproc and imgcodec modules. Because the ESP32 has limited resources, it is a good idea to remove some parts of opencv that are in most cases not used.