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README.md~
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# MavESP8266
## ESP8266 WiFi Access Point and MavLink Bridge
[](https://gitter.im/dogmaphobic/mavesp8266?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
This was developed using a [NodeMCU v2 Dev Kit](http://www.seeedstudio.com/depot/NodeMCU-v2-Lua-based-ESP8266-development-kit-p-2415.html) as it conveniently provides a secondary UART for debugging. It has been tested with the ESP-01 shipped with the [PixRacer](https://pixhawk.org/modules/pixracer) and it is stable at 921600 baud.
The build enviroment is based on [PlatformIO](http://platformio.org). Follow the instructions found here: http://platformio.org/#!/get-started (only tested on Mac OS) for installing it but skip the ```platform init``` step as this has already been done, modified and it is included in this repository. In summary:
```
sudo pip install -U pip setuptools
sudo pip install -U platformio
git clone --recursive https://github.com/dogmaphobic/mavesp8266.git
cd mavesp8266
platformio run
```
When you run ```platformio run``` for the first time, it will download the toolchains and all necessary libraries automatically.
### Useful commands:
* ```platformio run``` - process/build all targets
* ```platformio run -e esp12e``` - process/build just the ESP12e target (the NodeMcu v2)
* ```platformio run -e esp12e -t upload``` - build and upload firmware to embedded board
* ```platformio run -t clean``` - clean project (remove compiled files)
The resulting image(s) can be found in the directory ```.pioenvs``` created during the build process.
### MavLink Submodule
The ```git clone --recursive``` above not only cloned the MavESP8266 repository but it also installed the dependent [MavLink](https://github.com/mavlink/c_library) sub-module. To upated the module (when needed), use the command:
```git submodule update```
### Wiring it up
User level (as well as wiring) instructions can be found here: https://pixhawk.org/peripherals/8266
* Resetting to Defaults: In case you change the parameters and get locked out of the module, all the parameters can be reset by bringing the GPIO02 pin low (Connect GPIO02 pin to GND pin).
### MavLink Protocol
The MavESP8266 handles its own set of parameters and commands. Look at the [PARAMETERS](PARAMETERS.md) page for more information.
### HTTP Protocol
There are some preliminary URLs that can be used for checking the WiFi Bridge status as well as updating firmware and changing parameters. [You can find it here.](HTTP.md)
*********************************************************************************************************
CUSTOMIZED
I add other mode to upgrade the Firmware of PX4 through the WIFI ,and the Bootloader is recommended to use the following project.
https://github.com/PX4/Bootloader.git
However you should do some modifications .
1, Change the default Serial port to USART3 with 921600 baud rate ,because this project is upgrade the FW through the ESP8266 whose Serial port is connected to the USART3 of PX4.
2016.05.27