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Updated README.md to incdicate use of Espressif's IDF v3.2; various other clean-ups

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Dustin Mollo
2019-04-24 15:44:09 -07:00
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README.md
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# Arduino NINA-W102 firmware
# Adafruit fork of the Arduino NINA-W102 firmware
This is the Adafruit fork of the Arduino NINA-W102 firmware. The original
GitHub repository is located at https://github.com/arduino/nina-fw
This firmware uses [Espressif's IDF](https://github.com/espressif/esp-idf)
## Building
1. [Download the ESP32 toolchain](http://esp-idf.readthedocs.io/en/v3.1/get-started/index.html#setup-toolchain)
The firmware shipped in Adafruit's products is compiled following these
instructions. These may differ from the instructions included in the
original Arduino firmware repository.
1. [Download the ESP32 toolchain](https://docs.espressif.com/projects/esp-idf/en/v3.2/get-started/index.html#setup-toolchain)
1. Extract it and add it to your `PATH`: `export PATH=$PATH:<path/to/toolchain>/bin`
1. Clone **v3.1** of the IDF: `git clone --branch v3.1 --recursive https://github.com/espressif/esp-idf.git`
1. Clone **v3.2** of the IDF: `git clone --branch v3.2 --recursive https://github.com/espressif/esp-idf.git`
1. Set the `IDF_PATH` environment variable: `export IDF_PATH=<path/to/idf>`
1. Run `make` to build the firmware (in the directory of this read me)
1. Load the `Tools -> SerialNINAPassthrough` example sketch on to the board
1. Use `esptool` to flash the compiled firmware
1. Run `make firmware` to build the firmware (in the directory of this read me)
1. You should have a file named `NINA_W102-x.x.x.bin` in the top directory
1. Use appropriate tools (esptool.py, appropriate pass-through firmware etc)
to load this binary file onto your board.
## License