Initial commit with tools folder & README

Author: jakapurg

README.md

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+# Zephyr BLE Mesh
+
+This is a part of my bachelor's degree paper with a title Bluetooth Mesh application on [Zephyr operating system](https://docs.zephyrproject.org/latest/). For demonstrating purposes I implemented simple switch & light applications provisioned in a mesh by an iOS or Android app [nRF Mesh](https://www.nordicsemi.com/Products/Development-tools/nRF-Mesh).
+
+## Structure
+
+    
+    ├── switch                   # Code & documentation for switch that controlls lights on other connected boards
+    ├── light                    # Code & documentation for lights that wait for messages from the switch
+    ├── tools                    # Tools for easier debugging & logging
+    └── README.md
+## Prerequisites
+### Hardware
+The coding was done on a Nordic's [nRF52840](https://www.nordicsemi.com/Products/Development-hardware/nrf52840-dk) board, but will work on any board with Zephyr RTOS and Bluetooth Low energy support. For transferring binaries to the boards and their powering micro USB cables are necessary.
+### Software
+Zephry RTOS & alongside its SDK should be installed on the machine where application build will be done, during implementation version 1.14 was used and should work on Windows, MacOS or Linux environment. 
+NRF mesh app from Nordic Semiconductor was used for Bluetooth mesh provisioning and configuration.
+## Author
+- [Jaka Purg](https://www.linkedin.com/in/jaka-purg-9b25551a6/)

tools/README.md

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+# Zephyr BLE Mesh - Tools
+
+Here you can find bash script for Real-Time Tracing logging from our boards to standard output. If you use any other board, you should change device parameter in script that runs JLinkRTTLogger installed with Segger J-Link Software. Zephyr's documentation for logging with RTT can be find [here](https://docs.zephyrproject.org/latest/guides/tools/nordic_segger.html#rtt-console).
+
+## Structure
+
+    
+    ├── logging.sh          # Script for running RTT logger
+    ├── logging.desktop     # Desktop shortcut for Linux for more efficient work 
+    └── README.md
+## Prerequisites
+### Software
+Script logging.sh uses JLinkRTTLogger binary that needs to be installed in /bin folder and can be download from Nordic's [webpage](https://www.nordicsemi.com/Products/Development-tools/nRF-Command-Line-Tools). If you use any other board than nRF52840, you should replace -Device parameter with your own board name.
+## Author
+- [Jaka Purg](https://www.linkedin.com/in/jaka-purg-9b25551a6/)

tools/logging.desktop

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+[Desktop Entry]
+Type=Application
+Terminal=true
+Name=LoggingZephyr
+Icon=utilities-terminal
+Exec=gnome-terminal -e "bash -c './Desktop/logging.sh'"
+Categories=Application;

tools/logging.sh

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+#!/bin/bash
+cd /bin
+./JLinkRTTLogger -Device NRF52840_XXAA -if SWD -Speed 4000 -RTTChannel 0 /dev/stdout