This :double num= 10.85int written = sprintf(num_buf, "%1.17g", num);works in F4 using -u _printf_float into linker commands settings. But does not work in H7.Any suggestions?

Hello,default application on NUCLEO-F207ZG, works correctly. Pushing user button led1, led2 and led3 blinks at different speed.Programming the board only Led2 and Led3 works as expected, while Led1 (the green one) does not flash/blink/lamp at all.I'm...