Kinetis Freedom Board = Failed to resume target process

[TracyZA]

I have been having a frustrating day. I have worked with GT16's Coldfires and ARM technology and never before have I had such issues trying to load the sample code. I have now figured out the difference between the debug sda and the file system sda. I have also finally got the serial port and PEmicroopenSDA drivers working. Then I ahve got LED_blink. Whenever I try to program the board it gets to the point of loading the code and then says:

Failed to resume target process

     Downloading binary to target

I am at my wits end and about to give up on the whole programming adventure. Please help!

[BlackNight]

That error message indicates that the debugger is not able to connect to the target or to get control over it. I assume your board and microcontroller is powered (there is typically a jumper on the board to unpower the processor).

And have you plugged in the USB  cable on the correct (OpenSDA) USB port?

And you are sure you loaded the P&E *debug* firmware on the board?

Erich

[TracyZA]

I am using codewarrior 10.6 and the FRDM-K20D50m. I have got the USB cable plugged into the correct place and codewarrior picks up that the connection interface is OpenSDA Embedded Debug and it picks up the port. I have loaded the debug firmware on the board.

It looks like it loads the program but encounters the error on launching it.

I am not sure how to check that the Open SDA connection setting is configured for SWD and not JTAG?

[BlackNight]

It is here:

[TracyZA]

Yes that is selected. Interesting test. If I create my own code from scratch then it wqill program - but I cannot get the LED to blink. If I download anyone elses code such as from here:

Embedded Components

Or from the freescale LED_Blink with Codewarrior then I get that error

[alissonporto]

I'm also having this problem. Did you get to solve this problem?

[TracyZA]

Also I cannot use any pins connected or shared with the JTAG such as the blue LED - which is always on if I manage to get it to program

[BlackNight]

To use the JTAG/SWD pins as normal input/output pins, you need to reflect this in the Pin Muxing. If you are using Processor Expert, this is very easy: go the the CPU component and disable the JTAG/SWD functionality. But be careful with this: if you do this, this means you will not be able to use it for debugging. So I recommend that you do this with some delay after reset, so you have a chance to connect to your target with a debugger after startup.

[mjbcswitzerland]

Hi

Which FRDM board and which development environment?

Have you checked that the Open SDA connection setting is configured for SWD and not JTAG?

Regards

Mark