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RKher.1
Associate II
October 12, 2021
Question

Terminal Connection to COM port for STM Security MOOC part 4

  • October 12, 2021
  • 1 reply
  • 691 views

Hi, I'm in the process of going through the labs in part 4 of the ST Security MOOCs, specifically the hands on over here .

https://www.youtube.com/watch?v=0CVplWZ8zls&list=PLnMKNibPkDnF0wt-ZI74SflnsBV4yKzkO&index=3

The hands on asks to connect a terminal to the board in order to receive some output from the app running on a Nucleo G071RB board. I am not, however, able to see any output, any ideas as to why that is? My Tera term configuration is given below, thanks! Upon reset I just get garbage printed to the screen as depicted in the 3rd screen shot below

0693W00000FCHbNQAX.jpg 

0693W00000FCHbhQAH.jpg0693W00000FCHZhQAP.jpg

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1 reply

waclawek.jan
Super User
October 12, 2021

Probably baudrate mismatch.

Try other baudrates in TeraTerm.

Observe the UART's Tx signal using oscilloscope/logic analyzer.

Review the clocks setting in STM32 (read out and check relevant RCC registers' content) and also check the given UART's baudrate setting.

JW