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2

Index:

Part A: Obtaining and Installing MDK and the Examples: 1. Keil Software Download and Installation:: 3

2. Complimentary µVision License: 3

3. The on-board J-Link Lite Debug Adapter: 3

4. Example Programs: 3

5. Getting Started MDK 5 book: 3

6. µVision Software Packs Download and Install Process: 4

7. Testing the J-Link Lite Connection to the XMC1100: 5

8. Installing the J-Link Lite USB Drivers (if necessary) 5

Part B: Stand-alone Project Examples: 9. UART_Blinky Example Program using the XMC1100: 6

10. Hardware Breakpoints: 6

11. Call Stack + Locals Window 7

12. Watch and Memory Windows: 8

13. How to View Local Variables in Watch or Memory Windows: 9

14. System Viewer (SV): 10

15. Access Breakpoints (Watchpoints): Conditional Breakpoints 11

16. RTX_Blinky example program with Keil RTX RTOS: 12

17. RTX Kernel Awareness: 13

18. DSP SINE example using ARM CMSIS-DSP Libraries: 14

19. Creating Your Own MDK 5 project from scratch: 17

Changing the Processor Clock Speed: 19

20. Creating Your Own RTX MDK 5 project from scratch: 20

Part C: Projects created with Infineon DAVE: 21. Blinky: 23

22. RTX_Blinky 30

Appendix:

23. Document Resources: 38

24. Keil Products and contact information: 39

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4

6) µVision Software Packs Download and Install Process: 1) Start µVision and open Pack Installer:

1. Connect your computer to the internet. This is normally needed to download the Software Packs.

2. Start µVision by clicking on its desktop icon.

3. Open the Pack Installer by clicking on its icon: A Pack Installer Welcome screen will open. Read and close it.

4. This window opens up: Select the Devices tab: Under the Devices tab, Select Infineon XMC1100 as shown below: This will filter the list under the Packs tab.

5. Note “ONLINE” is displayed at the bottom right. If “OFFLINE” is displayed, connect to the Internet.

6. If there are no entries shown because you were not connected to the Internet when Pack Installer

opened, select Packs/Check for Updates or to refresh once you have connected to the Internet.

2) Install The XMC1000 Software Pack:

1. Select the Packs tab.

2. Initially, the Software Pack ARM::CMSIS is installed by default. These contain system headers and source files.

3. Select Infineon::XMC1000_DFP and click on Install. This Software Pack will download and install to C:\Keil_v5\ARM\Pack\Infineon\XMC1000\ by default. This download can take two to four minutes.

4. A Software Pack status is indicated by the “Up to date” icon:

TIP: If you click on the Boards tab, you can select the board you are using and only relevant Packs are displayed.

3) Install the UART Blinky MDK 5.11a Example:

1. Select the Boards tab. Select XMC 2Go (V1):

2. Select the Examples tab.

3. Select UART Blinky (XMC 2Go):

4. Select Copy as shown here:

5. This window opens up: Select Use Pack Folder Structure. Unselect Launch µVision as shown below

6. Type in C:\MDK. Click OK to copy the RTX_Blinky project.

7. UART Blinky will copy to C:\MDK\Boards\Infineon\XMC_2Go\. Pack Installer creates the rest of the directory tree after C:\MDK\.

TIP: The default directory for copied examples the first time you install MDK is C:\Users\<user>\Documents. For simplicity, we will use the default directory of C:\MDK\ in this tutorial. You can use any directory you prefer.

8. Close the Packs Installer. You can open it any time by clicking on its icon.

9. Select Yes when Reload Packs box is displayed. This updates the µVision Pack database

4) Install the RTX_Blinky5 and DSP5 examples from Keil.com:

1. Obtain the example software zip file from www.keil.com/appnotes/docs/apnt_260.asp.

2. Unzip this into the directory C:\MDK\Boards\Infineon\XMC_2Go\.

3. RTX_txt, RTX_Blinky5 and DSP5 folders will be created with the UART_Blinky folder as shown:

TIP: An Update icon means there is an updated Software Pack available for download.

TIP: If you look in the directory C:\Keil_v5\ARM\Pack\Infineon\XMC1000_DFP\1.0.2\Boards\Infineon\XMC_2Go, you will find another UART Blinky. This is the read-only version you downloaded for backup purposes. Use only the projects you copied over from the Examples tab to the directory you chose: in this tutorial we have used C:\MDK.

The next page has a few notes on Software Packs Maintenance plus how to test the J-Link debug connection:

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11) Call Stack + Locals Window: Local Variables: The Call Stack and Local windows are incorporated into one integrated window. Whenever the program is stopped, the Call Stack + Locals window will display call stack contents as well as any local variables belonging to the active function. If possible, the values of the local variables will be displayed and if not, the message <not in scope> will be displayed.

1. Open the Call Stack + Locals window by clicking on its tab.

2. Shown is the Locals window for the main function with the hardware breakpoint active from the previous page.

3. The contents of the local variables are displayed.

4. This display results when the breakpoint is set on the line if (ticks_uart == TICKS_UART_EVENT).

5. With the breakpoint set as in the previous page, each time you click on RUN, these locals will update as appropriate.

TIP: The contents of the local variables are displayed as well as names of active functions. Each function name will be displayed as it is called from the function before it or from an interrupt or exception. Exactly which local variable that will be visible or not depends on precisely where you stop the program.

When a function exits, it is removed from the list.

The most recent called function is at the top of this table.

This table is active only when the program is stopped.

6. Click on the Step In icon or F11:

7. Variables will update as appropriate. You will probably exit SysTick_Handler quickly in a few steps.

8. If not in the SysTick_Handler, click on RUN to get back in it. Your breakpoint will stop in it.

9. Click on the StepOut icon (Ctrl-F11) to exit the SysTick_Handler function to return to main().

10. Remove any breakpoints when you are done. You can click on them individually or Ctrl-B and select Kill All.

TIP: You can modify a variable value in the Call Stack & Locals window when the program is stopped.

Call Stack: The list of called functions is displayed when the program is stopped. This is very useful for debugging when you need to know which functions have been called and are stored on the stack.

11. Right click on a function name and try the Show Callee Code and Show Caller Code options as shown here: The appropriate code will be shown in the source and/or disassembly windows.

TIP: Use the Symbol window to locate and view components of your program including variables, structures and arrays. Select View/Symbol Window while in Debug mode.

TIP: For help finding Fault Exceptions see: www.keil.com/appnotes/docs/apnt_209.asp

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22

Compile and Run Your RTX BlinkyNEW Project:

1. Build the files. If there are errors or warnings please fix these before continuing.

2. Program the Flash:

3. Enter Debug mode: Click on the RUN icon.

4. No LEDS will blink. This program does not use them.

Add the two global variables countA and countB to the Watch 1 window.

5. Right click on countA and select Add countA to… and select Watch 1.

6. Right click on countB and select Add countB to… and select Watch 1.

7. These two variables will be displayed in Watch 1 and will be incrementing as shown here:

Congratulations: Your First RTX program is running correctly !

TIP: counter and SystemCoreClock are left over from previous steps.

Open the System and Threads Viewer:

8. Select Debug/OS Support and select System and Threads Viewer. the following window opens up: You probably have to drag into the middle of your screen.

9. The various elements will be updating in real-time as your RTX program is running.

10. Note the idle daemon is running most of the time. You can change this ratio if you want to.

11. Set a breakpoint in each thread.

12. Each time you click on RUN the program will advance to the next thread repeatedly.

13. The active thread will display Running in the State column.

This ends the exercise creating your own RTX Blinky project. You can easily add more threads and modify the timing. When you are finished, stop the program and leave Debug mode. Obtain the Keil Getting Started MDK 5 Manual: www.keil.com/mdk. It contains valuable information of using RTX. Extensive help files are included with MDK 5. So far, we have created projects from scratch or a fundamental beginning. The next section deals with creating projects using Infineon DAVE.



23

PART C: Creating projects with Infineon DAVE and MDK 5: This document uses DAVE 3.1.10 or later to create both a Blinky and an RTX_Blinky project. Please install DAVE to your computer in the usual manner. See installing the J-Link drivers on page 4. They must be correctly installed.

Select Help/Check for Updates to make sure you have the latest software.

You must have downloaded and installed the XMC1100 Packs into µVision as shown on page 4.

21) Blinky using DAVE: We will create a µVision project using DAVE to blink the two LEDs on the 2Go board. Two PWMs will be created and configured: each one blinks one LED. DAVE will then create a µVision project and µVision will then import it.

Start DAVE and create a DAVE project:

1. Start DAVE by clicking on its icon:

2. Select File/New/Dave Project and this window will open:

3. Select DAVE CE Project: Always select Dave CE.

4. In Project Name box enter Blinky as shown here:

5. Select Next > and the Target Selection Page opens:

6. Select XMC1100-QO24F0064 or the processor you are using:

7. Confirm Add/Update startup files is enabled.

8. Click on Finish. DAVE will create your project.

9. The Blinky project will be displayed in the DAVE C/C++ Projects window as shown below.

10. Expand some of the elements.

11. You will see a Main.c and two CMSIS startup files.

12. Double click on Main.c, it will open in a window.

13. You can see DAVE has created a template Main.c with an int main(void) function but not much else.

14. If you open the startup files found in the Startup folder, you can see startup_XMC1100.s which contains processor initialization code and system_XMC1100.c contains mostly clock settings.

TIP: DAVE dynamically saves all your work as you progress into your default workspace: C:\DAVE3_workspace. You can manually save your work with File/Save or Ctrl-S.

15. We will next create two PWMs to blink the LEDs.



24

DAVE Apps: DAVE includes Apps that you can graphically configure to create programs to suit your needs. These are programs DAVE uses to create the source code files that will become part of your µVision project. Select Help/Check for DAVE App Updates to make sure you have the latest software.

1. Apps are listed in the App Selection View. 2. Scroll through them to see your options. 3. Enter pwm in the Search filter:

TIP: If you hover your mouse over an App, a description of it will display. See the TIP: below for more details.

4. We will use two instances of the App PWMSP001 to blink each LED on and off.

Create Two PWMs to Blink the LEDs: 1. Under the heading PWM Generation, double click on

the PWMSP001. 2. This will be added in the S/W App Connectivity View. 3. Double click again on the same PWMSP001 App. 4. The Apps Shareability window will open. Select

app/ccu4global/0 as shown below: 5. Click on OK. 6. The second instance will now be added: 7. Your S/W App Connectivity View will be similar to the

one shown below: You can move your Apps around. 8. Note there are two instances of PWMSP001 (denoted by

/0 and /1), a Capture/CompareUnit 4(CCU) and a CLK002/0 clock App. These last two Apps are automatically inserted by Dave.

TIP: App Help: Select Help and click on Help Contents. On the left, click on DAVE Apps. A listing of the Apps will open.



25

Configure PWM /0:

1. Right click on PWMSP001/0 and select UIEditor. This window opens up: 2. Set Start to Start during initialization: 3. Set CCU4 Resolution to 32000 nsec. 4. Set PWM freq to 1 Hz: 5. Select the Signal Configurations tab and set

the Output Level to Passive High. 6. Leave all else at their defaults.

Connect PWM /0 output to GPIO Port Pin P1.0:

1. Right click on PWMSP001/0 again and select Manual Pin Assignment and the next window opens up.

2. Select Resource to pin_directoutput and Port Pin number P1.0/ #14 as shown below:

3. Select Solve And Save and then Close to assign this pin.

Configure PWM /1:

1. Right click on PWMSP001/1 and select UIEditor and a similar window opens up. 2. Set Start to Start during initialization: 3. Set CCU4 Resolution to 32000 nsec. 4. Set PWM freq to 1 Hz: 5. Select the Signal Configurations tab and set the Output Level to Passive Low. This puts PWMMSP001/1 180 º out

of phase with PWMMSP001/0. When one LED is on, the other will be off. Connect PWM /1 output to GPIO Port Pin P1.1:

1. Right click on PWMSP001/0 again and select Manual Pin Assignment and the next window opens up. 2. Select Resource to pin_directoutput and Port Pin number P1.1/ #13 as shown below:

Note: P1.0 is no longer listed. DAVE knows you have already assigned Pin 1.0 so it removes it from the list. 3. Select Solve And Save and then Close to assign this pin.

4. The PWMs are now completely configured. All we need do is Build the project and export it into µVision 5. TIP: If your entries do not seem to work: ensure they are accepted by pressing Enter or clicking on another element.



26

Generator Package Description (gpdsc) File: DAVE produces a complete µVision project and in addition a gpdsc file. This file is used to start, import and configure the appropriate files into µVision.

Configure DAVE to create a gpdsc file: (you only have to do this once in DAVE for all your projects)

1. In the DAVE main window, select Window/Preferences and this window opens up:

2. Expand Dave and select DAVE CE Preferences as shown here:

3. Select Generate gpdsc file as shown:

4. Click on OK.

Generate the Code:

5. Click on the Generate Code icon or select DAVE/Generate Code.

6. The appropriate files will be created and a progress bar will be displayed.

7. The C/C++ Projects window will display the files in this project.

8. Blinky.gpdsc will be visible in the window as shown below right:

TIP: If you do not want another instance of µVision running, close the running instance(s) of µVision before double clicking on the gpdsc file. Running multiple instances of µVision is permitted but a conflict with the J-Link Lite might arise in this case.

Import into µVision:

1. Close µVision.

2. Double click on Blinky.gpdsc and a new instance of µVision will be started.

TIP: At this time you can shut DAVE down if you prefer. It is not needed again unless you want to add or modify any settings that must be done in DAVE. Otherwise, µVision can work stand alone with the files DAVE created for it.

On the next page, we will configure µVision, build the project, program it to Flash and run it.

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30

22) Create an RTX_Blinky project using DAVE: We will create a µVision project using DAVE to blink the two LEDs on the 2Go board. RTX is used. We will use direct software control of Port 1.0 and 1.1 to blink the LEDS using two simple threads. DAVE will then create a µVision project and µVision will then import it. It is easy to add additional threads.

Start DAVE and create a DAVE project:

1. Start DAVE by clicking on its icon:

2. Select File/New/Dave Project and this window will open:

3. Select DAVE CE Project:

4. In Project name box enter RTX_Blinky as shown here:

5. Select Next > and the Target Selection Page opens:

6. Select XMC1100-QO24F0064 or the processor you are using as shown in the Target Selection window::

7. Confirm Add/Update startup files is enabled.

8. Click on Finish. DAVE will create your project.

9. The Blinky project will be displayed in the C/C++ Projects window as shown below.

10. Expand some of the elements.

11. You will see a Main.c and two CMSIS startup files.

12. Double click on Main.c, it will open in a window.

13. You can see DAVE has created a template main.c with an int main(void) function but not containing much else.

14. If you open the startup files, you can see startup_XMC1100.s which contains processor initialization code and system_XMC1100.c which contains mostly clock settings.

TIP: DAVE dynamically saves all your work as you progress with your default workspace: C:\DAVE3_workspace. You can manually save your work with File/Save or Ctrl-S.

15. On the next page, we will create and configure the two IO ports to blink the LEDs.



31

DAVE Apps:

Dave includes Apps that you can graphically configure to create programs to suit your needs. We will use the RTOS001 App and two instances of the IO Ports App IO004 to create our demonstration program.

In this project, RTX RTOS files are supplied by DAVE. Apps available are listed in the App Selection View.

1. Scroll through them to see your options.

TIP: If you hover your mouse over an App, a description of it will display as shown in this window.

2. We will use two instances of the App IO004 to blink each LED on and off directly through the GPIO ports.

3. Enter io in the Search filter as shown here:

Create Two IO ports to Blink the LEDs:

6. Under the heading I/O Ports/Software Controlled IO App: Double click on the IO04 App as shown here:

7. This will be added in the S/W App Connectivity View.

8. Double click again on the same IO04 App.

9. The second instance will now be added:

10. Your S/W App Connectivity View will contain the two IO Apps. There are two instances of IO04 (denoted by /0 and /1)

Create the RTX RTOS001 Instance:

11. Enter rtos in the Search filter as shown here: Press Enter to make it active.

12. Double-click on RTOS001. This will be entered in your project.

13. The clock CLK002/0 is inserted automatically by DAVE.

14. Your completed App Connectivity View will look like the one below. You can move the icons around.

15. The next steps will configure the IO and RTOS Apps.

TIP: App Help: Select Help and click on Help Contents. On the left click on DAVE Apps. A listing of the Apps will open.



32

Configure IO004/0: 1. Right click on IO004/0 and select UIEditor. This window opens up: 2. Enable Output Enable as shown here: 3. Select Default Output level to High: 4. Leave all else at their defaults.

Connect IO004/0 output to GPIO Port Pin P1.0: 5. Right click on IO004/0 again and select Manual

Pin Assignment and the next window opens up. 6. Select pin in the Resource box. Select P1.0/ #14

in the Port Pin Number box as shown below: 7. Select Solve And Save and then Close to assign

this pin. Configure IO004/1:

1. Right click on IO004/1 and select UIEditor and a similar window to the one above opens up. 2. Enable Output Enable as shown above the same way you configured IO004/0.

Connect IO004/1 output to GPIO Port Pin P1.1:

3. Right click on IO004/1 again and select Manual Pin Assignment and the Manual Pin Assignment window opens. 4. Select Resource to pin and Port Pin number P1.1/ #13 similar to the above screen. 5. Select Solve And Save and then Close to assign this pin. 6. The IO ports are now configured.

Configure RTOS001/0:

1. Right click on RTOS001/0 and select UIEditor, This window that opens has various tabs:.

2. Leave everything at their default values. 3. Click through the tabs to view the various

options available to you. 7. RTX is now completely configured. All we

need do is Build the project and export it into µVision 5.



33

Generator Package Description (gpdsc) File: DAVE produces a complete µVision project and in addition a gpdsc file. This file is used to start, import and configure the appropriate files into µVision.

Configure DAVE to create a gpdsc file: TIP: You need set the Generate gpdsc bit only once for all your DAVE projects.

1. In the DAVE main window, select Window/Preferences and this window opens up: 2. Expand Dave and select DAVE CE

Preferences as shown here: 3. Select Generate gpdsc file… as shown: 4. Click on OK.

Generate the Code:

5. Click on the Generate Code icon or select DAVE/Generate Code.

6. The appropriate files will be created and a progress bar will be displayed.

7. The C/C++ Projects window will display the files in this project.

8. Blinky.gpdsc will be visible as shown below right:

Import into µVision: 1. Close uVision. This prevents multiple instances from opening.

2. Locate the file Blinky.gpdsc as shown here:

3. Double click on Blinky.gpdsc and a new instance of µVision will be started.

TIP: If you do not want another instance of µVision running, close the running instance(s) before double clicking on the gpdsc file. Running multiple instances of µVision is permitted but a conflict concerning the J-Link Lite might arise in this case. On the next page, we will configure µVision, add source code, build the project, program the Flash and run it.

TIP: You can close DAVE now or leave it open. It is not needed as µVision can work with the project independently. You will only need DAVE if you want to modify or add an App.

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38

23) Document Resources: See www.keil.com/infineon Books:

1. NEW! Getting Started MDK 5: Obtain this free book here: www.keil.com/mdk5/.

2. There is a good selection of books available on ARM processors. A good list of books on ARM processors is found at www.arm.com/university by selecting “Teaching Resources”. You can also select ARM Related Books but make sure to also select the “Books suited for Academia” tab to see the full selection.

3. µVision contains a window titled Books. Many documents including data sheets are located there.

4. A list of resources is located at: www.arm.com/products/processors/cortex-m/index.php Click on the Resources tab. Or search for “Cortex-M3” on www.arm.com and click on the Resources tab.

5. The Definitive Guide to the ARM Cortex-M0/M0+ by Joseph Yiu. Search the web for retailers.

6. The Definitive Guide to the ARM Cortex-M3/M4 by Joseph Yiu. Search the web for retailers.

7. Embedded Systems: Introduction to Arm Cortex-M Microcontrollers (3 volumes) by Jonathan Valvano.

Application Notes: 1. NEW! ARM Compiler Qualification Kit: Compiler Safety Certification: www.keil.com/pr/article/1262.htm

2. Using DAVE with µVision: µVision is DAVE compatible. www.keil.com/appnotes/files/apnt_258.pdf

8. Using Cortex-M3 and Cortex-M4 Fault Exceptions www.keil.com/appnotes/files/apnt209.pdf

9. Segger emWin GUIBuilder with µVision™ www.keil.com/appnotes/files/apnt_234.pdf

10. Porting mbed Project to Keil MDK™ www.keil.com/appnotes/docs/apnt_207.asp

11. MDK-ARM™ Compiler Optimizations www.keil.com/appnotes/docs/apnt_202.asp

12. Using µVision with CodeSourcery GNU www.keil.com/appnotes/docs/apnt_199.asp

13. RTX CMSIS-RTOS in MDK 5 C:\Keil_v5\ARM\Pack\ARM\CMSIS\4.1.0\CMSIS_RTX

14. Download RTX CMSIS-RTX www.keil.com/demo/eval/rtx.htm and www.arm.com/cmsis

15. Barrier Instructions http://infocenter.arm.com/help/topic/com.arm.doc.dai0321a/index.html

16. Lazy Stacking on the Cortex-M4: www.arm.com and search for DAI0298A

17. Cortex Debug Connectors: www.arm.com and search for cortex_debug_connectors.pdf or

www.keil.com/coresight/coresight-connectors

18. Sending ITM printf to external Windows applications: www.keil.com/appnotes/docs/apnt_240.asp

Keil Tutorials for Infineon Boards: www.keil.com/infineon 1. XMC 2Go (this document) www.keil.com/appnotes/docs/apnt_260.asp

2. 1200 Boot Kit: coming… See www.keil.com/infineon

3. XMC4500 Relax Kit: coming… See www.keil.com/infineon

4. XMC4500 Application Board Kit: coming… See www.keil.com/infineon

5. Hitex XMC-HiLight XMC4500 board: www.keil.com/appnotes/docs/apnt_231.asp

ARM Community Forums: www.keil.com/forum and http://community.arm.com/groups/tools/content

Infineon Community Forum: www.infineonforums.com/

ARM University program: www.arm.com/university. Email: [email protected]

ARM Accredited Engineer Program: www.arm.com/aae

mbed™: http://mbed.org

For comments or corrections on this document please email [email protected].

For more information on the ARM CMSIS standard: www.arm.com/cmsis.

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