jtag/drivers/cmsis_dap: introduce packet_usable_size
commit3d3d35c9b87243a14b37478f1120c4c8d0a6d0bb
authorTomas Vanek <vanekt@fbl.cz>
Sat, 19 Nov 2022 06:16:30 +0000 (19 07:16 +0100)
committerAntonio Borneo <borneo.antonio@gmail.com>
Sun, 15 Jan 2023 15:08:49 +0000 (15 15:08 +0000)
tree991338f7b93a9fbfc19a78b0e9d945af899909dc
parent600d0165cc041a36d3707168aeb113d7a2e6747f
jtag/drivers/cmsis_dap: introduce packet_usable_size

USB bulk backend needs to avoid zero sized USB packets
sent after each full sized packed for performance reasons.

HID backend uses fixed size HID reports so the full size
of the report can be utilized.

Introduce packet_usable_size to reflect it.

Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Change-Id: I34094c9edac5730624480711cbd6aa65883c47c7
Reviewed-on: https://review.openocd.org/c/openocd/+/7363
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
src/jtag/drivers/cmsis_dap.c
src/jtag/drivers/cmsis_dap.h
src/jtag/drivers/cmsis_dap_usb_bulk.c
src/jtag/drivers/cmsis_dap_usb_hid.c