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SKAŞ.1
Associate III
July 12, 2021
Question

STM32F429 Discovery Kit LEDs does not blink

  • July 12, 2021
  • 2 replies
  • 1919 views

Dear STM Community,

I am a Fresh learner of STM32 technologies. I got myself an STM32F429 Discovery Kit.

As expected, I tried to do Led Blinks on my board since it is the hello world of this technology.

However, I couldn't turn on the LEDs on board. I create a simple LED turn code but even that doesn't work.

0693W00000BdPLVQA3.jpg0693W00000BdPLaQAN.jpg0693W00000BdPLfQAN.jpgOnly Power and Communication LEDs turn, but it doesn't relate to me.

First I build the project, then I download it.

When I click the download button, COM LED blink between red and green 3-4 times. But then, nothing happens.

I set my debug setting as ST_Link one, in the settings section in the flash download tab, I tick the Reset and Run box.

0693W00000BdPPSQA3.jpgIn the target tab of Options for target, I cannot see Xtal(MHz). Is problem-related with this?

I use Keil uVision 5, windows 10 OS

This topic has been closed for replies.

2 replies

Tesla DeLorean
Guru
July 12, 2021

You have a F429 board not a F469, pin usage likely to be different.

Check pin usage vs schematic.

Use a while loop so as not to exit main ()​

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SKAŞ.1
SKAŞ.1Author
Associate III
July 12, 2021

Oh I see, thanks alot, in board selection, there is STM32F429. IDK why it's automatically select the 469. But it works now, thanks!