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jtag/drivers/cmsis_dap.c: Fix Length of SWO Baudrate Command 

The command should now send the full 5 byte command length, which
includes the command tag (0x19) and the 4-byte baudrate word, instead
of only the last 3 bytes of the baudrate.

Signed-off-by: Nick Kraus <nick@nckraus.com>
Change-Id: Idd6e084efd7492489aa900cdbf08f540944041cb
Reviewed-on: https://review.openocd.org/c/openocd/+/7370
Tested-by: jenkins
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
This commit is contained in:
Nick Kraus 2022-11-21 09:55:11 -05:00 committed by Antonio Borneo
parent 9d925776b4
commit e345cefabd
1 changed files with 1 additions and 1 deletions
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src/jtag/drivers/cmsis_dap.c
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@ -660,7 +660,7 @@ static int cmsis_dap_cmd_dap_swo_baudrate(
command[0] = CMD_DAP_SWO_BAUDRATE;
h_u32_to_le(&command[1], in_baudrate);
int retval = cmsis_dap_xfer(cmsis_dap_handle, 4);
int retval = cmsis_dap_xfer(cmsis_dap_handle, 5);
uint32_t rvbr = le_to_h_u32(&cmsis_dap_handle->response[1]);
if (retval != ERROR_OK || rvbr == 0) {
LOG_ERROR("CMSIS-DAP: command CMD_SWO_Baudrate(%u) -> %u failed.", in_baudrate, rvbr);