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twister: passing the build dir to device serial pty

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Passing the zephyr build directory to the script run by
--device-serial-pty, it makes the feature of the device serial
pty more flexible.

Signed-off-by: Enjia Mai <enjia.mai@intel.com>
This commit is contained in:
Enjia Mai 2022-01-29 16:09:28 +08:00 • committed by Anas Nashif
commit 919b014509
1 changed files with 11 additions and 2 deletions
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13
scripts/pylib/twister/twisterlib.py
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@ -749,10 +749,19 @@ class DeviceHandler(Handler):
ser_pty_process = None
if serial_pty:
master, slave = pty.openpty()
serial_cmd = re.split(',| ', serial_pty)
# We also pass the build directory to the --device-serial-pty.
# Like what we pass to --west-flash script, the pty script will
# have build directory as its first parameter by default, in
# order to get more flexibility. That help the pty script can
# use artifacts made by the build process.
serial_cmd.append(self.build_dir)
try:
ser_pty_process = subprocess.Popen(re.split(',| ', serial_pty), stdout=master, stdin=master, stderr=master)
ser_pty_process = subprocess.Popen(serial_cmd, stdout=master, stdin=master, stderr=master)
except subprocess.CalledProcessError as error:
logger.error("Failed to run subprocess {}, error {}".format(serial_pty, error.output))
logger.error("Failed to run subprocess {}, error {}".format(serial_cmd, error.output))
return
serial_device = os.ttyname(slave)