If I was to re-write a USB protocol for OpenOCD - I would do exactly this.
Look very carefully at the SWD commands.
The commands are exactly 1 byte + 4 byte read, or 1 byte + 4byte write.
The first SWD byte always has bits 7 and 0 set (START + PARK)
thus there are really only (256/4)=64 possible
Thanks for that info. The "box cars" analogy helps with describing the issue.
Yes, we are very, very guilty of sending out trains with just 1 box. The
direct memory API was essentially a patch to our code base to correct that
issue, especially for large memory block transfers. Our current targ
ed>> Keep in mind this is a full speed device, not high speed. Cutting down on
the number of USB packets needed does help considerably.
Full vrs High speed is not important here.
Better: draw a timeline of the USB traffic of actual usb traffic captured on
the wire and work on fixing that.
I a
You’re right, I don’t think the XDS110 will qualify as an HLA adapter. It’s
only optimization is to read/write memory as block accesses. It has no further
knowledge or APIs to do debug on the target.
Keep in mind this is a full speed device, not high speed. Cutting down on the
number of USB pa
