Job Detail

good at coding python: can't open file '/home/iic/Desktop/redtestd.py': [Errno 2] No such file or directory iic@raspberrypi:~/Desktop $ python testd.py Traceback (most recent call last): File "/home/iic/Desktop/testd.py", line 20, in <module> picam2 = Picamera2() ^^^^^^^^^ NameError: name 'Picamera2' is not defined Traceback (most recent call last): File "/usr/lib/python3/dist-packages/serial/serialposix.py", line 322, in open self.fd = os.open(self.portstr, os.O_RDWR | os.O_NOCTTY | os.O_NONBLOCK) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ FileNotFoundError: [Errno 2] No such file or directory: '/dev/ttyUSB0' During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/home/iic/Desktop/testd.py", line 8, in <module> esp32_serial = serial.Serial('/dev/ttyUSB0', 115200) # Change '/dev/ttyUSB0' based on your setup ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/usr/lib/python3/dist-packages/serial/serialutil.py", line 244, in __init__ self.open() File "/usr/lib/python3/dist-packages/serial/serialposix.py", line 325, in open raise SerialException(msg.errno, "could not open port {}: {}".format(self._port, msg)) serial.serialutil.SerialException: [Errno 2] could not open port /dev/ttyUSB0: [Errno 2] No such file or directory: '/dev/ttyUSB0' Traceback (most recent call last): File "/usr/lib/python3/dist-packages/serial/serialposix.py", line 322, in open self.fd = os.open(self.portstr, os.O_RDWR | os.O_NOCTTY | os.O_NONBLOCK) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/iic/Desktop/redo.py", line 146 global previous_error, integral # Declare these variables as global ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ SyntaxError: name 'previous_error' is assigned to before global declarationOSError: [Errno 16] Device or resource busy: '/dev/ttyS0' During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/home/iic/Desktop/redk.py", line 8, in <module> ser = serial.Serial('/dev/ttyS0', 115200, timeout=1) # Adjust the port as needed ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/usr/lib/python3/dist-packages/serial/serialutil.py", line 244, in __init__ self.open() File "/usr/lib/python3/dist-packages/serial/serialposix.py", line 325, in open raise SerialException(msg.errno, "could not open port {}: {}".format(self._port, msg)) serial.serialutil.SerialException: [Errno 16] could not open port /dev/ttyS0: [Errno 16] Device or resource busy: '/dev/ttyS0' Traceback (most recent call last): File "/usr/lib/python3/dist-packages/serial/serialposix.py", line 322, in open self.fd = os.open(self.portstr, os.O_RDWR | os.O_NOCTTY | os.O_NONBLOCK) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ PermissionError: [Errno 13] Permission denied: '/dev/ttyS0' During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/home/iic/Desktop/redk.py", line 8, in <module> ser = serial.Serial('/dev/ttyS0', 115200, timeout=1) # Adjust the port as needed ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/usr/lib/python3/dist-packages/serial/serialutil.py", line 244, in __init__ self.open() File "/usr/lib/python3/dist-packages/serial/serialposix.py", line 325, in open raise SerialException(msg.errno, "could not open port {}: {}".format(self._port, msg)) serial.serialutil.SerialException: [Errno 13] could not open port /dev/ttyS0: [Errno 13] Permission denied: '/dev/ttyS0' File "/home/iic/Desktop/redo.py", line 146 global previous_error, integral # Declare these variables as global ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ SyntaxError: name 'previous_error' is assigned to before global declaration

a fat chud

Leading IT company providing software and cloud solutions.