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(parent: fed42cc) | patch
drivers/cmsis-dap: tidy up buffer access 20/6120/3
authorTomas Vanek <vanekt@fbl.cz>
Tue, 23 Mar 2021 08:12:26 +0000 (09:12 +0100)
committerTomas Vanek <vanekt@fbl.cz>
Sat, 10 Apr 2021 19:54:43 +0000 (20:54 +0100)
commit01030fb893546ddd522a1557d8c00868b3e45f60
tree2e1ff14e06d2f921d60dd54caf7671a2e28b1658tree | snapshot
parentfed42ccfd3dff0c3dcfa7f017bbd26eff3d4f15ccommit | diff
drivers/cmsis-dap: tidy up buffer access

Each one of CMSIS-DAP command handlers was responsible for setting
HID report number, which in case of USB bulk transport was not used
at all. The command had to be filled with 1 byte offset whereas
the response was read without an offset.

Introduce 'command' and 'response' pointers into struct cmsis_dap.
Use them for filling the command and read the response respectively.
CMSIS-DAP command parameter are now at positions as documented in
https://arm-software.github.io/CMSIS_5/DAP/html/group__DAP__Commands__gr.html
Adjust buffer allocation for HID and USB bulk transports.

While on it, use h_u32_to_le() and h_u16_to_le() instead of per-byte
writes.

Change-Id: Ib0808d6826ba0e254c1007ace8b743405536332a
Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-on: http://openocd.zylin.com/6120
Reviewed-by: Adrian M Negreanu <adrian.negreanu@nxp.com>
Tested-by: jenkins
Reviewed-by: Tarek BOCHKATI <tarek.bouchkati@gmail.com>
src/jtag/drivers/cmsis_dap.c diff | blob | history
src/jtag/drivers/cmsis_dap.h diff | blob | history
src/jtag/drivers/cmsis_dap_usb_bulk.c diff | blob | history
src/jtag/drivers/cmsis_dap_usb_hid.c diff | blob | history
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