本文整理汇总了Python中serial.serialutil方法的典型用法代码示例。如果您正苦于以下问题：Python serial.serialutil方法的具体用法？Python serial.serialutil怎么用？Python serial.serialutil使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类serial的用法示例。
在下文中一共展示了serial.serialutil方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: dump_cortex
# 需要导入模块: import serial [as 别名]
# 或者: from serial import serialutil [as 别名]
def dump_cortex(port, file, verbose=False):
if not os.path.isfile(file):
click.echo('Failed to download... file does not exist')
return False
port = prosflasher.ports.create_serial(port)
if not port:
click.echo('Failed to download: port not found')
return
try:
reset_cortex(port)
sys_info = ask_sys_info(port)
if sys_info is None:
click.echo('Failed to get system info... Try again', err=True)
click.get_current_context().abort()
sys.exit(1)
click.echo(repr(sys_info))
stop_user_code(port)
if sys_info.connection_type == ConnectionType.serial_vexnet2:
# need to send to download channel
if not send_to_download_channel(port):
return False
if not expose_bootloader(port):
return False
if not prosflasher.bootloader.prepare_bootloader(port):
return False
if not prosflasher.bootloader.erase_flash(port):
return False
with open(file, 'wb') as f:
address = 0x08000000
data = prosflasher.bootloader.read_memory(port, address, 256)
while len(data) > 0:
f.write(data)
address += 0x100
except serial.serialutil.SerialException as e:
click.echo('Failed to download code! ' + str(e))
finally:
port.close()
click.echo("Download complete!")
pass 示例2: __init__
# 需要导入模块: import serial [as 别名]
# 或者: from serial import serialutil [as 别名]
def __init__(self, port, baudrate, skip_reader=False):
import serial
from serial.serialutil import SerialException
super().__init__()
try:
self._serial = serial.Serial(port, baudrate=baudrate, timeout=None)
except SerialException as error:
err_str = str(error)
if "FileNotFoundError" in err_str:
err_str = "port not found"
message = "Unable to connect to " + port + ": " + err_str
# TODO: check if these error codes also apply to Linux and Mac
if error.errno == 13 and platform.system() == "Linux":
# TODO: check if user already has this group
message += "\n\n" + dedent(
"""\
Try adding yourself to the 'dialout' group:
> sudo usermod -a -G dialout <username>
(NB! This needs to be followed by reboot or logging out and logging in again!)"""
)
elif "PermissionError" in message:
message += "\n\n" + dedent(
"""\
If you have serial connection to the device from another program,
then disconnect it there."""
)
elif error.errno == 16:
message += "\n\n" + "Try restarting the device."
raise ConnectionFailedException(message)
if skip_reader:
self._reading_thread = None
else:
self._reading_thread = threading.Thread(target=self._listen_serial, daemon=True)
self._reading_thread.start()