Skip to main content
TAGUI.1
TAGUI.1
Associate
Apr 7, 2023 7:36 PM UTC
Question

STM32F103 LD3 light is always red when USB is connected

I'm trying to build a simple hello world program with STM32F103 board using SWD debugger and ITM feature. But when I plug my USB cable on my PC, I have my LD1 and LD3 always in red light. Is that a problem? If so, how to solve?

This topic has been closed for replies.

5 replies

gbm
gbm
Super User
Apr 7, 2023 10:11 PM UTC

What board?

My STM32 stuff on github - compact USB device stack and more: https://github.com/gbm-ii/gbmUSBdevice
TAGUI.1
TAGUI.1Author
Associate
Apr 8, 2023 4:07 AM UTC

STM32 NUCLEO-F103RB

STM32F103RBT6

AScha.3
AScha.3
Super User
Apr 8, 2023 8:04 AM UTC

same on my board, both red.

can you connect with CubeProgrammer ?

If you feel a post has answered your question, please click on " Best Answer ".
GMill.2
GMill.2
Visitor II
Apr 8, 2023 9:35 AM UTC

I have been facing the same issue. both red!

AScha.3
AScha.3
Super User
Apr 8, 2023 10:23 AM UTC

..thats correct !

when connected CubeProgrammer -> STlink -> board, Ld1 blink red/green , disconnected is red only.

If you feel a post has answered your question, please click on " Best Answer ".
Terms & ConditionsAccessibility statement