How to "printf" on STM32F746-DISCO ?

[Ellaine]

I followed the step on the following video without the configuration of SD card. (I don't need it)

https://www.youtube.com/watch?v=4f-leBIJkRY​

Whenever transmitting 10 characters, the program broke bown on 11-th character as below:

 printf("12345678901234567890\r\n");

--------------------------------------------------------

1234567890

So how should I modify the code to "printf" correctly?

I tried the code on NUCLEO-F746ZG, it did very well.

[oleksandr.karbivsky]

Do you use Keil uVision?

[Tesla DeLorean]

Don't see data loss here, plumbing is pretty simple, need to furnish a character output function.

Not aware of any 10 character limitations, you'll need to chase it to ground using usual debugging techniques.

[Ellaine]

STM32CubeIDE

[Ellaine]

Okay, I will use debugger to find out the source of the problem.​

[Ellaine]

My problem is solved.

When create a new stm32 project on STM32CubeIDE, and ask user whether initialize all peripherals with their default mode? Click "No".