dualsense_haptics.swift

#!/usr/bin/env swift
// script to enable audio haptics on the DualSense controller
//
// Run it with `swift dualsense_haptics.swift` in the command line after installing the Xcode developer tools

import IOKit.hid
import Foundation

let hidMgr = IOHIDManagerCreate(kCFAllocatorDefault, IOOptionBits(kIOHIDOptionsTypeNone))
IOHIDManagerSetDeviceMatching(hidMgr, nil)
IOHIDManagerScheduleWithRunLoop(hidMgr, CFRunLoopGetCurrent(), CFRunLoopMode.defaultMode.rawValue)

// we want only the DualSense controller
var matchingDevices = NSMutableDictionary()
matchingDevices[kIOHIDVendorIDKey] = 0x054c
matchingDevices[kIOHIDProductIDKey] = 0x0ce6

IOHIDManagerSetDeviceMatching(hidMgr, matchingDevices)

// give the hid manager some time to start up
while true {
    let res = CFRunLoopRunInMode(CFRunLoopMode.defaultMode, 0, false)
    if res == .finished || res == .timedOut {
        break
    }
}

if let devices = IOHIDManagerCopyDevices(hidMgr) {
    let devices = devices as NSSet
    if devices.count == 0 {
        print("could not find any connected DualSense controller")
    }
    for device in devices {
        let device = device as! IOHIDDevice
        if IOHIDDeviceOpen(device, IOOptionBits(kIOHIDOptionsTypeSeizeDevice)) == kIOReturnSuccess {
            var outputReport: [UInt8] = [0x2, 0x1]
            for _ in 0..<62 {
                outputReport.append(0)
            }
            if IOHIDDeviceSetReport(device, kIOHIDReportTypeOutput, 0, outputReport, 64) == kIOReturnSuccess {
                print("successfully enabled haptics")
            } else {
                print("could not enable haptics")
            }
        } else {
            print("could not connect to device")
        }
    }
} else {
    print("could not get devices :(")
}