[riot-notifications] [RIOT-OS/RIOT] GPS module doesn't work on B-L072Z board. (#16437)

hoekstraarie notifications at github.com
Tue May 4 12:29:02 CEST 2021

please submit it to the security mailing-list security at riot-os.org.

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#### Description

Got some working code for my old stm32f0discovery board. We tried to upload to our new b-l072z board, but there is no output in my terminal. I got the gps code, from 


When there is an interrupt from the gps it sends data to the terminal, which works on my stm32f0discovery board. With some changes I tried to flash it to my b-l072z board but I don't get any output in my terminal.

I connected my gps module and my usart breakoutboard to flash the board on the two usart peripherals of the b-l072z. On my stm32f0discovery it worked but on the b-l072z it doesnt'.

#### Steps to reproduce the issue
Try to describe as precisely as possible here the steps required to reproduce
the issue. Here you can also describe your hardware configuration, the network
setup, etc.
Flash my code to the board is compiling but there is no output and no errors.
#### Expected results
Example: The gnrc_networking application builds on samr21-xpro.
GPS values will be printed.
#### Actual results
Please paste or specifically describe the actual output.
Just the init prints but there are no measurements.
#### Versions
Operating system: Mac OSX, Linux, Vagrant VM
Build environment: GCC, CLang versions (you can run the following command from
the RIOT base directory: make print-versions).

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