Turn your Apple Magic Trackpad 2 into a vibrator

Vibrator.cs

using HidSharp;
using System.Linq;

namespace ForceTouchTrigger
{
    class Program
    {
        static void Main(string[] args)
        {
            // Force Touch Device: USB\VID_05AC&PID_0265&MI_02
            // But I don't know if I have a better way to deal with multi collections
            var hidDeviceList = DeviceList.Local.GetHidDevices(0x05ac, 0x0265).Where(i => i.DevicePath.Contains("mi_02"));
            if (!hidDeviceList.Any()) return;

            var dev = hidDeviceList.FirstOrDefault();
            if (dev.TryOpen(out DeviceStream stream))
            {
                while (true)
                {
                    // 14 bytes packed struct
                    // 0x53, 0x01: Magic (uint16_t)
                    // 0x15, 0x6c, 0x02, 0x00: Strength (uint32_t)
                    // Other fields remain unknown. I think they are X axis and Y axis data, and
                    // these values should be signed int32. No significant difference is obsereved
                    // when changing these fields. It's okay to write all zero for these fields.
                    //
                    // MacBook Pro will reject feature writes if you write it too fast
                    stream.Write(new byte[] { 0x53, 0x01, 0x15, 0x6C, 0x02, 0x00, 0x21, 0x2B, 0x06, 0x01, 0x00, 0x16, 0x41, 0x13 }, 0, 14);
                }
            }
        }
    }
}