dashv3/dash_network.py at master · ctrmint/dashv3 · GitHub

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#!/usr/bin/env python
# ----------------------------------------------------------------------------------------------------------------------
# Test tool to receive packed values.
# Assumes packed data is of fixed size.
# ----------------------------------------------------------------------------------------------------------------------
import struct
import socket

# Configure listener IP & Port for UDP transmission of packed values
global udp_ip
global udp_port
udp_ip = "0.0.0.0"
udp_port = 20777

global fmt
fmt = '<' + '70' + 'f'  # define structure of packed data

global s
s = struct.Struct(fmt)  # declare structure


def net_rx(UDP_IP, UDP_PORT):
    # Receive packet from wire
    sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)  # UDP
    sock.bind((UDP_IP, UDP_PORT))
    data, addr = sock.recvfrom(1024)  # receiving from socket
    return data


def receiver():
    data_laptime = 0
    data_gear = 1
    data_mph = 1
    data_mph_fix = 1
    data_brake = 1
    data_rpm = 1
    data_psi = 1
    data_sector = 1
    data_sector1 = 1
    data_sector2 = 1
    data_fuel_in_tank = 1
    data_fuel_capacity = 1
    data_team_id = 1
    data_throttle = 0
    data_brake = 0
    data_drs = 0
    data_lap = 0
    data_position = 0
    data_flags = 0

    rx_data = net_rx(udp_ip, udp_port)
    if rx_data:
        unpacked_data = s.unpack(rx_data)                  #  unpack data into tuple, requires correct 'fmt'

        data_laptime = unpacked_data[1]

        data_mph = unpacked_data[7]
        data_mph_fix = (data_mph * 2.23)

        data_throttle_ped = unpacked_data[29]
        data_brake_ped = unpacked_data[31]

        data_gear = unpacked_data[33]

        data_lap = unpacked_data[36]
        data_position = unpacked_data[39]

        data_rpm = unpacked_data[37]

        data_drs = unpacked_data[42]

        data_fuel_in_tank = unpacked_data[45]
        data_fuel_capacity = unpacked_data[46]

        data_sector = unpacked_data[48]
        data_sector1 = unpacked_data[49]
        data_sector2 = unpacked_data[50]

        data_brake = unpacked_data[51]
        data_psi = unpacked_data[58]

        data_team_id = unpacked_data[59]

        data_last_lap = unpacked_data[62]

        data_flags = unpacked_data[69]

    return data_gear, data_mph_fix, data_brake, data_rpm, data_psi, data_sector, data_sector1, data_sector2, \
           data_last_lap, data_fuel_in_tank, data_fuel_capacity, data_team_id, data_laptime, data_throttle_ped, \
           data_brake_ped, data_drs, data_lap, data_position, data_flags


def dummy_receiver():
    packet_count = 1
    return packet_count