Hello,
we are currently using the MDEK1001 for our indoor navigation solution. Lately we are encountering more and more modules, where the USB communication between the DWM1001 and the PC (Intel x86, Ubuntu 20.04LTS) stops working. We are not able to communicate to the module anymore, until the DWM1001 gets a power cycle. Rebooting the PC doesn´t solve the issue. We started tests on different hardware configurations and can reproduce that behavior. For example, on a Dell Laptop with Windows 10(10.0.19044 Build 19044), the USB communication stops after ~3-4 Weeks continuous running.
While we can not power cycle the USB Ports on our product, that causes some serious trouble for us because an employee has to power cycle manually to get the navigation working again.
Due to our investigation, the serial communication between DWM1001c and STM32 is still running. The software on the DWM1001c doesn´t get stuck. So we conclude it could be something related to the STM32 USB/UART microcontroller.
Is there anything know about such behavior?
Thanks for an answer and Best Regards,
Marius