Transition to libusb and support targeting device by serial number #59
Commits on May 9, 2024
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usb: Replace USBDEVFS interface with libusb
In order to support selecting board based on serial number the iProduct field needs to be inspected, with the hand-rolled parsing of the USB descriptors this becomes cumbersome. Furthermore the direct use of Linux's USBDEVFS creats an unnecessary dependency on the host OS being Linux. It's unclear why libusb wasn't choosen in the first place, perhaps it relates to the faint memory of 0.1 vs 1.0 packaging issues? Move to libusb-1.0 in order to resolve these issues, as well as clean up the code a bit. Signed-off-by: Bjorn Andersson <[email protected]>
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usb: Allow selecting board by serial number
When working on a host with multiple boards attached being able to select a specific board by serial number becomes necessary. In the EDL USB descriptors a device serial number is available as part of the iProduct string, so this can be used for comparison. As libusb requires a handle the libusb_open() needs to be moved into the loop. Signed-off-by: Bjorn Andersson <[email protected]>
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