udp_client_radar.py

#******************************************************************************
# File Name:   udp_client.py
#
# Description: A simple python based UDP client.
# 
#********************************************************************************
# Copyright 2020-2022, Cypress Semiconductor Corporation (an Infineon company) or
# an affiliate of Cypress Semiconductor Corporation.  All rights reserved.
#
# This software, including source code, documentation and related
# materials ("Software") is owned by Cypress Semiconductor Corporation
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#!/usr/bin/env python
import socket
import optparse
import time
import sys


BUFFER_SIZE = 8192

# IP details for the UDP server
DEFAULT_IP   = '10.120.128.41'  # IP address of the UDP server
DEFAULT_PORT = 57345             # Port of the UDP server for data
DEFAULT_MODE = "data"


def udp_client_radar_test(server_ip, server_port):
        """
         server_ip: IP address of the udp server
         server_port: port on which the server is listening

        This functions intializes the connection to udp server and starts radar device in test
        mode. The status is shown on the terminal.
        
        """
        print("================================================================================")
        print("UDP Client for Radar data test")
        print("================================================================================")
        print("Sending radar configuration. IP Address:",server_ip, " Port:",server_port)
        
        s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
         
        print("Start radar device in test mode")
        s.sendto('{"radar_transmission":"test"}'.encode(), (server_ip, server_port))
        
        while True:
                try:
                        msg, adr  = s.recvfrom(BUFFER_SIZE);
                        print(msg.decode())
                except KeyboardInterrupt:
                        break

def udp_client_radar( server_ip, server_port):
        """
         server_ip: IP address of the udp server
         server_port: port on which the server is listening

        This functions intializes the connection to udp server and starts radar device with
        given configuration. The radar raw data is read from the socket and frame number is
        shown on the terminal. 
        """
        
    
        print("================================================================================")
        print("UDP Client for Radar data")
        print("================================================================================")
        print("Sending radar configuration. IP Address:",server_ip, " Port:",server_port)

        s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)

        # radar data tranmission mode with presence application settings
        print("Start radar device with data tranmission enabled")
        s.sendto('{"radar_transmission":"enable"}'.encode(), (server_ip, server_port))
        
        while True:
                try:
                        data, adr  = s.recvfrom(BUFFER_SIZE);
                        print("Received data frame number: ", int.from_bytes(data[2:6], 'little'))

                except KeyboardInterrupt:
                        break

	
if __name__ == '__main__':
        parser = optparse.OptionParser()
        parser.add_option("-p", "--port", dest="port", type="int", default=DEFAULT_PORT, help="Port to listen on [default: %default].")
        parser.add_option("--hostname", dest="hostname", default=DEFAULT_IP, help="Hostname or IP address of the server to connect to.")
        parser.add_option("-m", "--mode", dest="mode", type="string", default=DEFAULT_MODE, help="Mode for radar: test, data.")
        (options, args) = parser.parse_args()
        #start udp client to connect to radar device

        if options.mode == "test":
                udp_client_radar_test(options.hostname, options.port)
        else:
                udp_client_radar(options.hostname, options.port)