System halts on function getFont

 

Look at breakpoint - this function halts (program go to HardFault)

You can see callstack.

How to find course of problem?

[Vangelis Fortounas]

Hello, is the stack size proper for the application? (check and Static Call Graph)

Stack 0x2000 HEAP 0x4000

"(check and Static Call Graph)" - I can't understand this, explain please. 

[MM..1]

Check your definition line for gui task, here need be when you use defaulot task

osThreadDef(defaultTask, StartDefaultTask, osPriorityNormal, 0, 4096);