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twister: Allow baud rates other than 115200

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Fixes #38046
Document the changes in twister.rst
Add baud rate to debug message in twister
Add baud parameter to twister's add_device function
Set the twister baud rate from input parameters
Use 115200 as the default baud rate if not specified
Add baud to the hwmap-schema.yaml file
Add --device-serial-baud to twister arguments
Fix compliance issues
Fix mistake in parameter name from device-baud to device-serial-baud
Refactoring of the code in orded to simplify the logic
   and clear multiple definitions of the default baud rate.

Signed-off-by: Maciej Perkowski <Maciej.Perkowski@nordicsemi.no>
Signed-off-by: Dennis Ruffer <daruffer@gmail.com>
This commit is contained in:
Dennis Ruffer 2021-10-05 15:34:54 -07:00 • committed by Anas Nashif
commit c714c78743
4 changed files with 37 additions and 14 deletions
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15
scripts/pylib/twister/twisterlib.py
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@ -733,7 +733,7 @@ class DeviceHandler(Handler):
else:
serial_device = hardware.serial
logger.debug("Using serial device {}".format(serial_device))
logger.debug("Using serial device {} @ {} baud".format(serial_device, hardware.serial_baud))
if (self.suite.west_flash is not None) or runner:
command = ["west", "flash", "--skip-rebuild", "-d", self.build_dir]
@ -790,7 +790,7 @@ class DeviceHandler(Handler):
try:
ser = serial.Serial(
serial_device,
baudrate=115200,
baudrate=hardware.serial_baud,
parity=serial.PARITY_NONE,
stopbits=serial.STOPBITS_ONE,
bytesize=serial.EIGHTBITS,
@ -3926,10 +3926,12 @@ class Gcovr(CoverageTool):
["-o", os.path.join(subdir, "index.html")],
stdout=coveragelog)
class DUT(object):
def __init__(self,
id=None,
serial=None,
serial_baud=None,
platform=None,
product=None,
serial_pty=None,
@ -3940,6 +3942,9 @@ class DUT(object):
runner=None):
self.serial = serial
self.serial_baud = 115200
if serial_baud:
self.serial_baud = serial_baud
self.platform = platform
self.serial_pty = serial_pty
self._counter = Value("i", 0)
@ -4031,8 +4036,8 @@ class HardwareMap:
self.detected = []
self.duts = []
def add_device(self, serial, platform, pre_script, is_pty):
device = DUT(platform=platform, connected=True, pre_script=pre_script)
def add_device(self, serial, platform, pre_script, is_pty, baud=None):
device = DUT(platform=platform, connected=True, pre_script=pre_script, serial_baud=baud)
if is_pty:
device.serial_pty = serial
@ -4052,6 +4057,7 @@ class HardwareMap:
id = dut.get('id')
runner = dut.get('runner')
serial = dut.get('serial')
baud = dut.get('baud', None)
product = dut.get('product')
fixtures = dut.get('fixtures', [])
new_dut = DUT(platform=platform,
@ -4059,6 +4065,7 @@ class HardwareMap:
runner=runner,
id=id,
serial=serial,
serial_baud=baud,
connected=serial is not None,
pre_script=pre_script,
post_script=post_script,