LabView RaceRoom Car Dashboard

import socket
import json
import time
import sys
import math
from r3e_api import R3ESharedMemory


# ==========================
#      CONFIGURATION
# ==========================
UDP_IP = "127.0.0.1"       # LabVIEW is running on the same PC
UDP_PORT = 57468           # Must match the port in your LabVIEW VI

# Create UDP socket
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)

# Fix encoding issue on Windows terminal
if sys.platform == 'win32':
    sys.stdout.reconfigure(encoding='utf-8')


# ==========================
#          MAIN
# ==========================
def main():
    print("=== R3E → LabVIEW UDP JSON Sender ===\n")

    # Access RaceRoom shared memory
    shared_memory = R3ESharedMemory()
    shared_memory.update_offsets()

    try:
        while True:
            shared_memory.update_buffer()
            player_data = shared_memory.get_value('Player')

            # Extract player velocity and G-forces
            local_velocity = player_data.get('LocalVelocity', {})
            local_gforce = player_data.get('LocalGforce', {})

            # --- Calculate speed ---
            lv_x = local_velocity.get('X', 0.0)
            lv_y = local_velocity.get('Y', 0.0)
            lv_z = local_velocity.get('Z', 0.0)

            speed_ms = math.sqrt(lv_x**2 + lv_y**2 + lv_z**2)
            speed_kmh = speed_ms * 3.6

            # --- Direction ---
            if lv_x > 0:
                direction = "FORWARD"
            elif lv_x < 0:
                direction = "BACKWARD"
            else:
                direction = "STOPPED"

            # --- G-Forces ---
            g_lat = local_gforce.get('Z', 0.0)
            g_lon = local_gforce.get('X', 0.0)

            # --- Prepare JSON packet ---
            data = {
                "Speed": round(speed_kmh, 2),
                "G Forces Latitude": round(g_lat, 3),
                "G Forces Longitude": round(g_lon, 3),
                "Direction": direction
            }

            json_data = json.dumps(data)

            # --- Send to LabVIEW ---
            sock.sendto(json_data.encode('utf-8'), (UDP_IP, UDP_PORT))

            # Print to console (optional)
            print(f"\rSent to LabVIEW: {json_data}", end='', flush=True)

            time.sleep(0.05)  # ~20 Hz update rate

    except KeyboardInterrupt:
        print("\nStopped.")

    finally:
        sock.close()


# Run main
if __name__ == "__main__":
    main()