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Linux Connectivity
David Holdeman edited this page Jan 29, 2023
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CDC ACM is interface mostly used for modems. ModemManager tries to detect modem on all newly added ttyACM devices. This breaks TunerStudio communication few seconds after establish when ModemManages sends few AT commands. https://stackoverflow.com/questions/24696527/modem-manager-and-ttyacm-in-use
Simple solution: systemctl stop ModemManager.service
Advanced solution: Add VID, PID to udev rules with ENV{ID_MM_DEVICE_IGNORE}="1" attribute https://linux-tips.com/t/prevent-modem-manager-to-capture-usb-serial-devices/284/2
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