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CCS/MSP-EXP430FR5739: Pressing Debug restarts old program on MSP before flashing new program

Part Number: MSP-EXP430FR5739

Tool/software: Code Composer Studio

Hi,

I am struggling with the MSP-EXP430FR5739. I try to debug my code, which just sends some strings over UART. I use the Debugger from Code Composer Studio 7.4.0.00015 to debug my code. But everytime I change my code and want to debug it again, he resets the MSP and starts the old program, while he flashes the new one.

I'm using a logic analyser that shows me that he sends the exact same String from the program i want to override.

So for example:

Program on MSP sends "HELLOWORLD" 

I am loading this on the MSP and he runs the code fine -> I see the string on my logic analyser

Then I comment the section out, which contains the code for sending the string and press debug again.

Now I can see, that while the windows from CCS shows up with compiling, he resend the string over the UART until he reaches the point where he finish the compiling and uploading.

When I run the programm he sends nothing (because I comment it out)

Someone else noticed this?

Greetings

Eric