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examples: Update system examples README

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The following commit updates the first half of the the system
example README files. Some other changes were also made:

* Updated base_mac_address example
* Moved contents in GCOV README to GCOV docs
* Some *main.c file names updated
* Updated example README template
This commit is contained in:
Darian Leung
2019-06-26 02:41:19 +08:00
parent 61442cdcbb
commit de682a13b1
23 changed files with 1111 additions and 537 deletions
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examples/system/cpp_exceptions/README.md
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@@ -6,12 +6,24 @@ This example demonstrates usage of C++ exceptions in ESP-IDF.
By default, C++ exceptions support is disabled in ESP-IDF. It can be enabled using `CONFIG_COMPILER_CXX_EXCEPTIONS` configuration option.
In this example, `sdkconfig.defaults` file sets `CONFIG_COMPILER_CXX_EXCEPTIONS` option. This enables both compile time support (`-fexceptions` compiler flag) and run-time support for C++ exception handling.
In this example, the `sdkconfig.defaults` file sets the `CONFIG_COMPILER_CXX_EXCEPTIONS` option. This enables both compile time support (`-fexceptions` compiler flag) and run-time support for C++ exception handling.
Example source code declares a class which can throw exception from the constructor, depending on the argument. It illustrates that exceptions can be thrown and caught using standard C++ facilities.
The example source code declares a class which can throw exception from the constructor if the argument provided is equal to `0`. This is used to demonstrate that exceptions can be thrown and caught using standard C++ facilities.
**Note: Due to the use of the C++ exceptions, this example is written in C++ instead of C.**
## How to use example
### Hardware Required
This example should be able to run on any commonly available ESP32 development board.
### Configure the project
```
idf.py menuconfig
```
### Build and Flash
```