tree a90ef5144370f5bc441524d2988d000be31a5b15
parent 592b8da71a39aa72e9befc0352ec9881f48a4616
author Jonathan Bell <jonathan@raspberrypi.com> 1657036029 +0100
committer Jonathan Bell <jonathan@raspberrypi.com> 1660834828 +0100

probe: allow for selection of CMSIS-DAP v1 and v2 protocols

CMSIS-DAP v1 is a pseudo-HID device which allows "driver-less" use on
Windows. DAP v2 is a vendor-specific bulk protocol, so there needs to be
a companion MS OS 2.0 descriptor for the debug interface with
DeviceInterfaceGUID set to the Keil GUID.

Allow for selection between these and the openocd protocol at compile time.

Parts of the v1 implementation are derived from the DapperMime project, so
add credit where due.

Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>