Skip to main content
Sebastian1
Associate II
March 29, 2020
Question

Bug Creating USART2, USART3 ..... under LL

  • March 29, 2020
  • 1 reply
  • 861 views

Hi when I create the USART2 and USART3 under LL using DMA the field

GPIO_InitStruct.Mode = LL_GPIO_MODE_FLOATING;

and will be

GPIO_InitStruct.Mode = LL_GPIO_MODE_INPUT;

the USART1 work fine

thanks

This topic has been closed for replies.

1 reply

waclawek.jan
Super User
March 29, 2020

This is 'F1, isn't it. You should always state the STM32 model you are using.

_FLOATING is input, too, except without pullup/pulldown. I'd bet you enabled pullup with USART1.

JW