HackMD
Multitech xDot Blinky
xDot is a low-power RF module, that provides long-range, low bit rate M2M data connectivity to sensors, industrial equipment and remote appliances.
This is well suited for IoT applications using LoRaWAN protocol.
Prerequisites
- MacOS
- xDot Micro Development Kit
- CLion (optional)
System packages
brew updatebrew install git mercurialsudo easy_install pipsudo pip install virtualenvsudo pip install multitech_dot_flash
For more details about the custom ARM Mbed Multitech xDot and mDot flash utils checkout this repo.
Setup Mbed offline compiler
Check out the Arm Mbed tools docs
Install Arm Compiler 5
brew tap PX4/homebrew-px4brew updatebrew install gcc-arm-none-eabi-49
Related gist https://gist.github.com/joegoggins/7763637
Clone the github repo
git clone git@github.com:sensidev/xdot-blinky.gitcd xdot-blinky
Install Mbed python packages & deploy
virtualenv ../virtualenvsource ../virtualenv/bin/activatepip install mbed-clipip install -r mbed-os/requirements.txtmbed-cli deploy
pip packages and mbed deploy are already part of the
flashitscript.
Flash the xDot
- Plug the xDot Micro Development Kit board into an USB port.
- Connect to the serial port with
screen /dev/cu.usbmodem1423122 115200 - Open another terminal tab.
- Compile and flash the binary with
flashit -t=xdot - Wait until the "Flashing XDOT device for xdot_l151cc target" message appears.
- Check the heavy blinking led indicating the flashing procedure on xDot board.
- After it's finished, press the reset button from the xDot board.
- Notice the blinking led on the xDot board at half a second intervals.
- Notice the logs from
screenterminal tab, indicating the light level in (lux) read from the ISL29011 sensor every half a second.
