Hi all, I'm investigating how to expand the usefulness of the USB Type-A port on the E320 and N320 by supporting peripherals that show up as ttyUSB devices (e.g. those that use FTDI or PL2303 chips for USB-to-serial interfacing). This would enable me to do more on the radio in embedded mode, and possibly allow the elimination of a separate SBC. It looks like the kernel that ships on USRPs disables CONFIG_USB_SERIAL and therefore also lacks drivers for the common chips such as USB_SERIAL_FTDI_SIO, USB_SERIAL_PL2303, USB_SERIAL_CP210X. I believe my options are to either rebuild the stock kernel, or possibly do something with an out-of-tree module build.
I'm comfortable with kernel builds and Yocto (though it's been a few years), but I don't know anything about the typical Ettus build process or suggested cross-compile environment. I also just want to rebuild the kernel bits, not the full filesystem. I'd appreciate any thoughts on whether this type of customization is generally done, and any pointers on the quickest/easiest approach. :) Thanks, David -- David Raeman Synoptic Engineering
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