Stm32f407 discovery board issues

[Indukuri sumanth]

I am new to coding. I brought new stm32f407 discovery board. Intially their is no issue with debugging for target. But now ld1 ld2 are continuously glowing and ld3 ld4 ld5 ld6 are not glowing when i connect the board for pc and when a usb is connect to cn5, it is not recognised as mouse on the screen.. what is the issue?? I am unable to understand

[Peter BENSCH]

LD3 ... LD6 are controlled by the STM32F407, which requires a program to drive pins PD12...PD15 to high level if you want the LEDs to light up.

What program is currently running at the controller?

Regards

/Peter

[Tesla DeLorean]

The processor will only do what your code facilitates. If you replaced the delivered code with something that does very little, it will do very little..

[Indukuri sumanth]

In the board manual, in getting started section​ It is mentioned connect board to pc by usb cable then mems sensor is enabled and the four leds get glowed as per the board motion direction and speed and by connecting usb to CN5 then board acts as mouse.. these functionalties happend well for 2 days with using of board. But now these functions are not happening just com led and pwr led or glowing continuously ..is there any issue

[Tesla DeLorean]

Did you replace or erase the code on the board?

Perhaps get a meter or scope and check voltages if you think there is a hardware issue.

[Peter BENSCH]

The original demo firmware can be found here.