simple project with EK-TM4C1294XL LaunchPad

Getting Started

These instructions will give details on how to create simple project using TivaWare library and code composer studio to Initialize and use GPIO in EK-TM4C1294XL LaunchPad

Prerequisites

What software you need to install

 1- Download and start the latest version of Code Composer Studio (CCS)  from http://processors.wiki.ti.com/index.php/Download_CCS 
 while installation select the processors that your CCS installation will support. Select at least 32-bit ARM MCUs in order to run our project

2-Download and install the latest full version of TivaWare from: http://www.ti.com/tool/sw-tm4c 
 If at all possible, please install TivaWare into the default folder named C:\TI\TivaWare_C_Series-2.x.x.xxxxx 

kit initialization

► JP1 selects where the LaunchPad will be connected to power. The choices are power from ICDI (debug USB port), OTG (user USB port) or BoosterPack . Make sure the jumper is in the ICDI position 
► JP2 is a power measurement point for MCU current only.  Make sure this jumper is in place
► JP3 is a power measurement point for the entire LaunchPad board’s current. Make sure this jumper is in place
► JP4 and 5 configure the LaunchPad for either CAN or UART communication. Vertical is CAN and horizontal is UART . Make sure that all four jumpers are in the horizontal (UART) position   

initialize code composer studio

Create a New Project

► select Project → New CCS Project:   
► In the New CCS Project dialog, select Tiva C Series as the target and Tiva TM4C1294NCPDT for the part. Be careful making this selection. 
► For the Connection, pick Stellaris In-Circuit Debug Interface. This is the built-in emulator on the LaunchPad board. 
► Name the project test-gpio 
► Uncheck the Use default location checkbox and browse to the target location in your pc 
► In the Project templates and examples box, pick Empty Project (with main.c) and click Finish.

• In the Project Explorer pane, click on the to the left of test-gpio to expand the project. Note that main.c is already open for editing in the Editor pane.

adding TivaWare driverlib.lib file to project

Users can ADD (copy or link) files into their project by
 • SOURCE files are typically COPIED
 • LIBRARY files are typically LINKED (referenced):
      - They are located outside the project folder via : • relative path using exist variables like  PROJECT_LOC     • absolute path using build variables to make the project portable

build variables
Code Composer allows the use of a vars.ini file to define workspace variables and a macros.ini file to define project variables.
► create text file to contain the variable name refer to the path of tivaware folder
► inside the file type the variable name and path as follow: TIVAWARE_INSTALL = c:\TI\TivaWare_C_Series-2.1.4.178
► save the file as vars.ini in your directory folder
► Right-click on project name in the Project Explorer pane of CCS. Select Import, and then Import … In the next dialog, expand Code Composer Studio. 
► Select Build Variables and click Next.  
► In the next dialog (shown below), browse to the file you created as vars.ini 
- Now you can use this variable for the paths that CCS will need to find your files. If, at a later date, you update TivaWare and it has a new folder name, the only edit you need to make is here in vars.ini. If you change workspaces, you will have to re-import vars.ini.    
 
 
Link driverlib.lib to Your Project 
► Select Project then Add Files… Navigate to:  C:\TI\TivaWare_C_Series-2.1.0.12573 \driverlib\ccs\Debug\driverlib.lib then click open  
► select the option of link to files and choose the variable name of TIVAWARE_INSTALL which created before 




Add the INCLUDE search paths for the header files 

►  Right-click on your test-gpio project in the Project Explorer pane and select Properties.
► Click on Build → ARM Compiler → Include Options
► In the Add dir to #include search path pane, click the “+” sign next to Add dir to #include search path  (   
► add the build variable you created earlier 

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