YACWC

old/af_client.py

@@ -0,0 +1,20 @@
+import socket
+import os
+
+# Client socket file
+client_socket_file = '/tmp/server_socket_use2'
+
+# Create a UDP socket
+client_socket = socket.socket(socket.AF_UNIX, socket.SOCK_DGRAM)
+
+# Bind the socket to the file
+client_socket.connect(client_socket_file)
+
+while True:
+    # Receive data from the server
+    data, _ = client_socket.recvfrom(1024)
+    print("Received from server:", data.decode())
+
+# Close the socket
+client_socket.close()
+

old/af_server.py

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+import socket
+import os
+
+# Server socket file
+server_socket_file = '/tmp/server_socket_use2'
+
+# Create a UDP socket
+server_socket = socket.socket(socket.AF_UNIX, socket.SOCK_DGRAM)
+
+# Bind the socket to the file
+server_socket.bind(server_socket_file)
+
+while True:
+    # Send a message to the client
+    message = b"Hello, client!"
+    server_socket.sendto(message, server_socket_file)
+
+# Close the socket
+server_socket.close()
+
+

old/serial_monitor.py

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+
+
+
+#baud_rates_test = (2400, 4800, 9600, 19200, 28800, 38400, 56000, 57600, 115200, 128000, 153600, 230400, 256000)
+baud_rates_test = [57600]
+
+
+cmd_line = '/home/thebears/sr/bin/sigrok-cli --config samplerate=12M --driver=fx2lafw --continuous'
+cmd_start = cmd_line
+#'-P uart:baudrate=57600:tx=D0 -P uart:baudrate=9600:tx=D0 -A uart=tx-data:tx-warning'
+cmd_split = cmd_line.split()
+for x in baud_rates_test:
+    cmd_split.append('-P')
+    cmd_split.append(f'uart:baudrate={str(x)}:tx=D0')
+
+cmd_split.append('-A')
+cmd_split.append('uart=tx-data:tx-warning')
+
+
+import io
+import time
+import subprocess
+import sys
+
+command_to_run = cmd_split
+#command_to_run = ['/bin/bash','/home/thebears/Source/serial_monitor_variable/run_me.sh']
+process = subprocess.Popen(command_to_run,stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE)
+
+idx = 0
+while True:
+    stuff = process.stdout.readline()
+    if len(stuff) == 0:
+        break
+    print(idx,stuff)
+    idx+=1
+
+
+
+
+

old/socket_server.py

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+import socket
+import os
+
+# Set the path for the Unix socket
+socket_path = '/tmp/my_socket'
+
+# remove the socket file if it already exists
+try:
+    os.unlink(socket_path)
+except OSError:
+    if os.path.exists(socket_path):
+        raise
+
+# Create the Unix socket server
+server = socket.socket(socket.AF_UNIX, socket.SOCK_DGRAM)
+
+# Bind the socket to the path
+server.bind(socket_path)
+import time
+from datetime import datetime
+while True:
+    time.sleep(0.25)
+    print("Sending")
+    server.sendto(("Hello "+str(datetime.now())).encode(), socket_path)
+
+    
+# Listen for incoming connections
+server.listen(1)
+
+# accept connections
+print('Server is listening for incoming connections...')
+connection, client_address = server.accept()
+
+try:
+    print('Connection from', str(connection).split(", ")[0][-4:])
+
+    # receive data from the client
+    while True:
+        data = connection.recv(1024)
+        if not data:
+            break
+        print('Received data:', data.decode())
+
+        # Send a response back to the client
+        response = 'Hello from the server!'
+        connection.sendall(response.encode())
+finally:
+    # close the connection
+    connection.close()
+    # remove the socket file
+    os.unlink(socket_path)

old/sovket_client.py

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+import socket
+
+
+socket_path = '/tmp/my_socket'
+
+
+# Create the Unix socket server
+client = socket.socket(socket.AF_UNIX, socket.SOCK_DGRAM)
+
+
+client.bind(socket_path)
+client.send("hello".encode())
+while True:
+    data, addr = client.recvfrom(1024)
+    print(data)

old/udp_server.py

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+
+import socket
+
+MCAST_GRP = '239.255.255.255'
+MCAST_PORT = 5007
+# regarding socket.IP_MULTICAST_TTL
+# ---------------------------------
+# for all packets sent, after two hops on the network the packet will not 
+# be re-sent/broadcast (see https://www.tldp.org/HOWTO/Multicast-HOWTO-6.html)
+MULTICAST_TTL = 2
+
+sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
+sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, MULTICAST_TTL)
+
+# For Python 3, change next line to 'sock.sendto(b"robot", ...' to avoid the
+# "bytes-like object is required" msg (https://stackoverflow.com/a/42612820)
+
+from datetime import datetime
+import time
+for i in range(100):
+    dsend = str(i)+' '+str(datetime.now())
+    sock.sendto(dsend.encode(), (MCAST_GRP, MCAST_PORT))