Trace: No Synchronization in ST-Link Debugger Window for STM32F429I discovery board

[MSaif]

Hi Everyone

I am trying to view variables in Keil MDK5 Logic Analyzer Window therefore I have enabled trace and do the required settings of my STM32F429I discovery board. But When I open Debug window and run my code I get trace: No Synchronization message at the bottom of MDK5 Debug window. Logic Analyzer window does not shoe any waveform of my variables. Please help me in fix this problem.

regards

hammi

[Tesla DeLorean]

Make sure the SWO solder bridge is made on the back of the board.

Ensure that the trace frequency in the debug settings trace pane matches the speed you are running the core. Ie 168 MHz, or whatever.​

[MSaif]

What SWO solder bridge Do I need to solder for SWO trace in STM32F429I Discovery board?