Hi In my Project my raspberry pi act as a server and whenever the data came from the tcp client it is writing the same data in Serial Uart but when doing write operation in Serial Uart some character is missing If i insert some delay after the serial write it is working fine but i want to be working without giving any delay after the Serial Uart write operation so i need to find whether the write process for Serial Uart is complete or not please guide me to achieve the solution below is my code
import socket
import serial
from threading import Thread
from datetime import datetime
def on_new_client(client_socket, addr):
try:
while True:
client_socket.settimeout(60)
data = client_socket.recv(1)
ser.write(data)
client_socket.settimeout(None)
if not data:
print(f'Client {addr} disconnected')
break
Ctime = datetime.now().strftime("%H:%M:%S")
print(f"Address: {addr},Time:{Ctime}, Data: {data}")
except socket.timeout:
print(f"Connection timed out for {addr}")
except Exception as e:
print(f"Error with client {addr}: {e}")
finally:
client_socket.close()
print(f"Connection closed for {addr}")
def main():
global ser
ser = serial.Serial(
port='/dev/ttyS0',
baudrate=9600,
parity=serial.PARITY_NONE,
stopbits=serial.STOPBITS_ONE,
bytesize=serial.EIGHTBITS
)
host1 = '192.168.176.248'
port1 = 4002
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((host1, port1))
s.listen(5)
print(f"Server started on {host1}:{port1}")
while True:
client_socket,addr = s.accept()
print(f"New connection from: {addr}")
thread = Thread(target=on_new_client, args=(client_socket, addr), daemon=True) # Mark thread as daemon
thread.start() # Start the thread
if __name__ == '__main__':
main()
