#!/bin/bash
# Stop real-time signal generator

if [ -f /tmp/realtime_signal_generator.pid ]; then
    PID=$(cat /tmp/realtime_signal_generator.pid)
    echo "Stopping signal generator (PID: $PID)..."
    kill $PID
    rm /tmp/realtime_signal_generator.pid
    echo "✓ Stopped"
else
    echo "No generator PID file found"
    pkill -f "realtime_signal_generator.py"
    echo "✓ Killed any running generators"
fi