Important :

• It is assumed that AVR Studio® and USB drivers for AVR® JTAGICE mkII Debugger are previously installed.
• Upgrading AVR® JTAGICE mkII Debugger firmware may be required.
• This example shows how to use AVR® JTAGICE mkII Debugger with EasyAVR6 development board and ATMEGA16 MCU. For other development boards and MCUs, procedure can differ slightly.

To successfully use AVR® JTAGICE mkII Debugger with generated .cof file, follow the steps below :

1. First of all, start mikroC PRO for AVR and open the desired project.
2. Open Tools › Options › Output settings, and check the "Generate COFF file" option, and click the OK button.
3. Next, compile the project by pressing Ctrl + F9.
4. Connect USB cable and turn on power supply on EasyAVR6.
5. Program the MCU by pressing F11 and make sure that JTAGEN Fuse Bit is checked in the AVRFlash :



6. Connect external power supply and PC USB cable to the AVR® JTAGICE mkII Debugger's appropriate sockets.
7. Connect probe cable of the AVR® JTAGICE mkII Debugger to the JTAG socket of EasyAVR6 :



8. Turn on power switch on AVR® JTAGICE mkII Debugger.
9. Open AVR Studio, and under File menu, select Open File... Go to the project folder and open the generated COFF file, UART.cof :



10. After that, you will be asked to save AVR Studio® Project File. To ensure proper debugging, this file should be located at the root of the original source file project.
11. Then, appropriate device, debugger platform and port should be selected :



12. AVR® JTAGICE mkII options window will appear after. There, following settings should be configured :
    Under Connection tab, Target clock frequency should be entered, and under Debug tab, Only reprogram device if object file has changed option should be checked.



13. Now, you can start debugging the code by clicking Step Over button on the Debug toolbar, or by pressing F10 :



14. As you can see, the code you are debugging is in the assembly. To debug original source code, you should open the source file containing it, using File -> Open :

Related topics: COFF File

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