def _check_connection(self, port):
proxy = get_runner().get_backend_proxy()
if isinstance(proxy, BareMetalMicroPythonProxy):
# Most likely it is using the same port
proxy.disconnect()
time.sleep(1.5)
# Maybe another program is connected
# or the user doesn't have sufficient permissions?
try:
conn = SerialConnection(port, 115200, skip_reader=True)
conn.close()
return True
except Exception as e:
messagebox.showerror("Can't connect", str(e), master=self)
return False
try:
if args["port"] is None:
# remain busy
while True:
time.sleep(1000)
elif args["port"] == "webrepl":
connection = WebReplConnection(args["url"], args["password"])
else:
from thonny.plugins.micropython.serial_connection import (
DifficultSerialConnection,
SerialConnection,
)
connection = SerialConnection(args["port"], BAUDRATE)
# connection = DifficultSerialConnection(args["port"], BAUDRATE)
if "circuitpython" in args.get("proxy_class", "").lower():
from thonny.plugins.circuitpython.cp_backend import CircuitPythonBackend
backend = CircuitPythonBackend(connection,
clean=args["clean"],
args=args)
else:
backend = BareMetalMicroPythonBackend(connection,
clean=args["clean"],
args=args)
except ConnectionFailedException as e:
text = "\n" + str(e) + "\n"
try:
if args["port"] is None:
# remain busy
while True:
time.sleep(1000)
elif args["port"] == "webrepl":
connection = WebReplConnection(args["url"], args["password"])
else:
from thonny.plugins.micropython.serial_connection import (
DifficultSerialConnection,
SerialConnection,
)
connection = SerialConnection(
args["port"], BAUDRATE, dtr=args.get("dtr"), rts=args.get("rts")
)
# connection = DifficultSerialConnection(args["port"], BAUDRATE)
if "circuitpython" in args.get("proxy_class", "").lower():
from thonny.plugins.circuitpython.cp_backend import CircuitPythonBackend
backend = CircuitPythonBackend(connection, clean=args["clean"], args=args)
else:
backend = BareMetalMicroPythonBackend(connection, clean=args["clean"], args=args)
except ConnectionFailedException as e:
text = "\n" + str(e) + "\n"
msg = BackendEvent(event_type="ProgramOutput", stream_name="stderr", data=text)
sys.stdout.write(serialize_message(msg) + "\n")
sys.stdout.flush()
parser.add_argument("--password", type=str)
parser.add_argument("--api_stubs_path", type=str)
args = parser.parse_args()
port = None if args.port == "None" else args.port
try:
if port is None:
# remain busy
while True:
time.sleep(1000)
elif port == "webrepl":
from thonny.plugins.micropython.webrepl_connection import WebReplConnection
connection = WebReplConnection(args.url, args.password)
else:
from thonny.plugins.micropython.serial_connection import SerialConnection
connection = SerialConnection(port, BAUDRATE)
vm = MicroPythonBackend(connection,
clean=args.clean,
api_stubs_path=args.api_stubs_path)
except ConnectionFailedException as e:
text = "\n" + str(e) + "\n"
msg = BackendEvent(event_type="ProgramOutput",
stream_name="stderr",
data=text)
sys.stdout.write(serialize_message(msg) + "\n")
sys.stdout.flush()