Overview
========
The Hello World demo application provides a sanity check for the new SDK build environments and board bring up. The Hello
World demo prints the "Hello World" string to the terminal using the SDK UART drivers. The purpose of this demo is to
show how to use the UART, and to provide a simple project for debugging and further development.

Toolchain supported
===================
- IAR embedded Workbench 7.80.4
- Keil MDK 5.21a
- GCC ARM Embedded 2016-5.4-q3
- Kinetis Development Studio IDE 3.2.0
- MCUXpresso0.8

Hardware requirements
=====================
- Mini USB cable
- TWR-KM34Z75M board
- Personal Computer

Board settings
==============
No special settings are required.

Prepare the Demo
================
1.  Connect a USB cable between the host PC and the OpenSDA USB port on the target board.
2.  Open a serial terminal with the following settings:
    - 115200 baud rate
    - 8 data bits
    - No parity
    - One stop bit
    - No flow control
3.  Download the program to the target board.
4.  Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.

Running the demo
================
When the demo runs successfully, the following message is displayed in the terminal:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
hello world.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Customization options
=====================

