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bsnes/JoyKit/JOYController.m

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Objective-C
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#import "JOYController.h"
#import "JOYMultiplayerController.h"
#import "JOYElement.h"
#import "JOYSubElement.h"
#import "JOYFullReportElement.h"
#import "JOYEmulatedButton.h"
#include <IOKit/hid/IOHIDLib.h>
#include <AppKit/AppKit.h>
extern NSTextField *globalDebugField;
#define PWM_RESOLUTION 16
static NSString const *JOYAxisGroups = @"JOYAxisGroups";
static NSString const *JOYReportIDFilters = @"JOYReportIDFilters";
static NSString const *JOYButtonUsageMapping = @"JOYButtonUsageMapping";
static NSString const *JOYAxisUsageMapping = @"JOYAxisUsageMapping";
static NSString const *JOYAxes2DUsageMapping = @"JOYAxes2DUsageMapping";
static NSString const *JOYCustomReports = @"JOYCustomReports";
static NSString const *JOYIsSwitch = @"JOYIsSwitch";
static NSString const *JOYRumbleUsage = @"JOYRumbleUsage";
static NSString const *JOYRumbleUsagePage = @"JOYRumbleUsagePage";
static NSString const *JOYConnectedUsage = @"JOYConnectedUsage";
static NSString const *JOYConnectedUsagePage = @"JOYConnectedUsagePage";
static NSString const *JOYRumbleMin = @"JOYRumbleMin";
static NSString const *JOYRumbleMax = @"JOYRumbleMax";
static NSString const *JOYSwapZRz = @"JOYSwapZRz";
static NSString const *JOYActivationReport = @"JOYActivationReport";
static NSString const *JOYIgnoredReports = @"JOYIgnoredReports";
static NSString const *JOYIsDualShock3 = @"JOYIsDualShock3";
static NSString const *JOYIsSony = @"JOYIsSony";
static NSString const *JOYEmulateAxisButtons = @"JOYEmulateAxisButtons";
static NSMutableDictionary<id, JOYController *> *controllers; // Physical controllers
static NSMutableArray<JOYController *> *exposedControllers; // Logical controllers
static NSDictionary *hacksByName = nil;
static NSDictionary *hacksByManufacturer = nil;
static NSMutableSet<id<JOYListener>> *listeners = nil;
static bool axes2DEmulateButtons = false;
static bool hatsEmulateButtons = false;
@interface JOYController ()
+ (void)controllerAdded:(IOHIDDeviceRef) device;
+ (void)controllerRemoved:(IOHIDDeviceRef) device;
- (void)elementChanged:(IOHIDElementRef) element;
- (void)gotReport:(NSData *)report;
@end
@interface JOYButton ()
- (instancetype)initWithElement:(JOYElement *)element;
- (bool)updateState;
@end
@interface JOYAxis ()
- (instancetype)initWithElement:(JOYElement *)element;
- (bool)updateState;
@end
@interface JOYHat ()
- (instancetype)initWithElement:(JOYElement *)element;
- (bool)updateState;
@end
@interface JOYAxes2D ()
- (instancetype)initWithFirstElement:(JOYElement *)element1 secondElement:(JOYElement *)element2;
- (bool)updateState;
@end
static NSDictionary *CreateHIDDeviceMatchDictionary(const UInt32 page, const UInt32 usage)
{
return @{
@kIOHIDDeviceUsagePageKey: @(page),
@kIOHIDDeviceUsageKey: @(usage),
};
}
static void HIDDeviceAdded(void *context, IOReturn result, void *sender, IOHIDDeviceRef device)
{
[JOYController controllerAdded:device];
}
static void HIDDeviceRemoved(void *context, IOReturn result, void *sender, IOHIDDeviceRef device)
{
[JOYController controllerRemoved:device];
}
static void HIDInput(void *context, IOReturn result, void *sender, IOHIDValueRef value)
{
[(__bridge JOYController *)context elementChanged:IOHIDValueGetElement(value)];
}
static void HIDReport(void *context, IOReturn result, void *sender, IOHIDReportType type,
uint32_t reportID, uint8_t *report, CFIndex reportLength)
{
if (reportLength) {
[(__bridge JOYController *)context gotReport:[[NSData alloc] initWithBytesNoCopy:report length:reportLength freeWhenDone:NO]];
}
}
typedef struct __attribute__((packed)) {
uint8_t reportID;
uint8_t sequence;
uint8_t rumbleData[8];
uint8_t command;
uint8_t commandData[26];
} JOYSwitchPacket;
typedef struct __attribute__((packed)) {
uint8_t reportID;
uint8_t padding;
uint8_t rumbleRightDuration;
uint8_t rumbleRightStrength;
uint8_t rumbleLeftDuration;
uint8_t rumbleLeftStrength;
uint32_t padding2;
uint8_t ledsEnabled;
struct {
uint8_t timeEnabled;
uint8_t dutyLength;
uint8_t enabled;
uint8_t dutyOff;
uint8_t dutyOn;
} __attribute__((packed)) led[5];
uint8_t padding3[13];
} JOYDualShock3Output;
typedef struct __attribute__((packed)) {
uint8_t reportID;
uint8_t sequence;
union {
uint8_t tag;
uint8_t reportIDOnUSB;
};
uint16_t flags;
uint8_t rumbleRightStrength; // Weak
uint8_t rumbleLeftStrength; // Strong
uint8_t reserved[4];
uint8_t muteButtonLED;
uint8_t powerSaveControl;
uint8_t reserved2[28];
uint8_t flags2;
uint8_t reserved3[2];
uint8_t lightbarSetup;
uint8_t LEDBrightness;
uint8_t playerLEDs;
uint8_t lightbarRed;
uint8_t lightbarGreen;
uint8_t lightbarBlue;
uint8_t bluetoothSpecific[24];
uint32_t crc32;
} JOYDualSenseOutput;
typedef union {
JOYSwitchPacket switchPacket;
JOYDualShock3Output ds3Output;
JOYDualSenseOutput dualsenseOutput;
} JOYVendorSpecificOutput;
@implementation JOYController
{
IOHIDDeviceRef _device;
NSMutableDictionary<JOYElement *, JOYButton *> *_buttons;
NSMutableDictionary<JOYElement *, JOYAxis *> *_axes;
NSMutableDictionary<JOYElement *, JOYAxes2D *> *_axes2D;
NSMutableDictionary<JOYElement *, JOYHat *> *_hats;
NSMutableDictionary<NSNumber *, JOYFullReportElement *> *_fullReportElements;
NSMutableDictionary<JOYFullReportElement *, NSArray<JOYElement *> *> *_multiElements;
// Button emulation
NSMutableDictionary<NSNumber *, JOYEmulatedButton *> *_axisEmulatedButtons;
NSMutableDictionary<NSNumber *, NSArray <JOYEmulatedButton *> *> *_axes2DEmulatedButtons;
NSMutableDictionary<NSNumber *, NSArray <JOYEmulatedButton *> *> *_hatEmulatedButtons;
JOYElement *_rumbleElement;
JOYElement *_connectedElement;
NSMutableDictionary<NSValue *, JOYElement *> *_iokitToJOY;
NSString *_serialSuffix;
bool _isSwitch; // Does this controller use the Switch protocol?
bool _isDualShock3; // Does this controller use DS3 outputs?
bool _isSony; // Is this a DS4 or newer Sony controller?
bool _isDualSense;
bool _isUSBDualSense;
JOYVendorSpecificOutput _lastVendorSpecificOutput;
volatile double _rumbleAmplitude;
bool _physicallyConnected;
bool _logicallyConnected;
NSDictionary *_hacks;
NSMutableData *_lastReport;
// Used when creating inputs
JOYElement *_previousAxisElement;
uint8_t _playerLEDs;
double _sentRumbleAmp;
unsigned _rumbleCounter;
bool _deviceCantSendReports;
dispatch_queue_t _rumbleQueue;
}
- (instancetype)initWithDevice:(IOHIDDeviceRef) device hacks:(NSDictionary *)hacks
{
return [self initWithDevice:device reportIDFilter:nil serialSuffix:nil hacks:hacks];
}
-(void)createOutputForElement:(JOYElement *)element
{
uint16_t rumbleUsagePage = (uint16_t)[_hacks[JOYRumbleUsagePage] unsignedIntValue];
uint16_t rumbleUsage = (uint16_t)[_hacks[JOYRumbleUsage] unsignedIntValue];
if (!_rumbleElement && rumbleUsage && rumbleUsagePage && element.usage == rumbleUsage && element.usagePage == rumbleUsagePage) {
if (_hacks[JOYRumbleMin]) {
element.min = [_hacks[JOYRumbleMin] unsignedIntValue];
}
if (_hacks[JOYRumbleMax]) {
element.max = [_hacks[JOYRumbleMax] unsignedIntValue];
}
_rumbleElement = element;
}
}
-(void)createInputForElement:(JOYElement *)element
{
uint16_t connectedUsagePage = (uint16_t)[_hacks[JOYConnectedUsagePage] unsignedIntValue];
uint16_t connectedUsage = (uint16_t)[_hacks[JOYConnectedUsage] unsignedIntValue];
if (!_connectedElement && connectedUsage && connectedUsagePage && element.usage == connectedUsage && element.usagePage == connectedUsagePage) {
_connectedElement = element;
_logicallyConnected = element.value != element.min;
return;
}
NSDictionary *axisGroups = @{
@(kHIDUsage_GD_X): @(0),
@(kHIDUsage_GD_Y): @(0),
@(kHIDUsage_GD_Z): @(1),
@(kHIDUsage_GD_Rx): @(2),
@(kHIDUsage_GD_Ry): @(2),
@(kHIDUsage_GD_Rz): @(1),
};
axisGroups = _hacks[JOYAxisGroups] ?: axisGroups;
if (element.usagePage == kHIDPage_Button ||
(element.usagePage == kHIDPage_Consumer && (element.usage == kHIDUsage_Csmr_ACHome ||
element.usage == kHIDUsage_Csmr_ACBack))) {
button: {
JOYButton *button = [[JOYButton alloc] initWithElement: element];
[_buttons setObject:button forKey:element];
NSNumber *replacementUsage = element.usagePage == kHIDPage_Button? _hacks[JOYButtonUsageMapping][@(button.usage)] : nil;
if (replacementUsage) {
button.usage = [replacementUsage unsignedIntValue];
}
return;
}
}
else if (element.usagePage == kHIDPage_Simulation) {
switch (element.usage) {
case kHIDUsage_Sim_Accelerator:
case kHIDUsage_Sim_Brake:
case kHIDUsage_Sim_Rudder:
case kHIDUsage_Sim_Throttle:
goto single;
}
}
else if (element.usagePage == kHIDPage_GenericDesktop) {
switch (element.usage) {
case kHIDUsage_GD_X:
case kHIDUsage_GD_Y:
case kHIDUsage_GD_Z:
case kHIDUsage_GD_Rx:
case kHIDUsage_GD_Ry:
case kHIDUsage_GD_Rz: {
JOYElement *other = _previousAxisElement;
_previousAxisElement = element;
if (!other) goto single;
if (other.usage >= element.usage) goto single;
if (other.reportID != element.reportID) goto single;
if (![axisGroups[@(other.usage)] isEqualTo: axisGroups[@(element.usage)]]) goto single;
if (other.parentID != element.parentID) goto single;
JOYAxes2D *axes = nil;
if (other.usage == kHIDUsage_GD_Z && element.usage == kHIDUsage_GD_Rz && [_hacks[JOYSwapZRz] boolValue]) {
axes = [[JOYAxes2D alloc] initWithFirstElement:element secondElement:other];
}
else {
axes = [[JOYAxes2D alloc] initWithFirstElement:other secondElement:element];
}
NSNumber *replacementUsage = _hacks[JOYAxes2DUsageMapping][@(axes.usage)];
if (replacementUsage) {
axes.usage = [replacementUsage unsignedIntValue];
}
[_axisEmulatedButtons removeObjectForKey:@(_axes[other].uniqueID)];
[_axes removeObjectForKey:other];
_previousAxisElement = nil;
_axes2D[other] = axes;
_axes2D[element] = axes;
if (axes2DEmulateButtons) {
_axes2DEmulatedButtons[@(axes.uniqueID)] = @[
[[JOYEmulatedButton alloc] initWithUsage:JOYButtonUsageDPadLeft uniqueID:axes.uniqueID | 0x100000000L],
[[JOYEmulatedButton alloc] initWithUsage:JOYButtonUsageDPadRight uniqueID:axes.uniqueID | 0x200000000L],
[[JOYEmulatedButton alloc] initWithUsage:JOYButtonUsageDPadUp uniqueID:axes.uniqueID | 0x300000000L],
[[JOYEmulatedButton alloc] initWithUsage:JOYButtonUsageDPadDown uniqueID:axes.uniqueID | 0x400000000L],
];
}
/*
for (NSArray *group in axes2d) {
break;
IOHIDElementRef first = (__bridge IOHIDElementRef)group[0];
IOHIDElementRef second = (__bridge IOHIDElementRef)group[1];
if (IOHIDElementGetUsage(first) > element.usage) continue;
if (IOHIDElementGetUsage(second) > element.usage) continue;
if (IOHIDElementGetReportID(first) != IOHIDElementGetReportID(element)) continue;
if ((IOHIDElementGetUsage(first) - kHIDUsage_GD_X) / 3 != (element.usage - kHIDUsage_GD_X) / 3) continue;
if (IOHIDElementGetParent(first) != IOHIDElementGetParent(element)) continue;
[axes2d removeObject:group];
[axes3d addObject:@[(__bridge id)first, (__bridge id)second, _element]];
found = true;
break;
}*/
break;
}
case kHIDUsage_GD_Slider:
case kHIDUsage_GD_Dial:
case kHIDUsage_GD_Wheel:
{ single: {
JOYAxis *axis = [[JOYAxis alloc] initWithElement: element];
[_axes setObject:axis forKey:element];
NSNumber *replacementUsage = element.usagePage == kHIDPage_GenericDesktop? _hacks[JOYAxisUsageMapping][@(axis.usage)] : nil;
if (replacementUsage) {
axis.usage = [replacementUsage unsignedIntValue];
}
if ([_hacks[JOYEmulateAxisButtons] boolValue]) {
_axisEmulatedButtons[@(axis.uniqueID)] =
[[JOYEmulatedButton alloc] initWithUsage:axis.equivalentButtonUsage uniqueID:axis.uniqueID];
}
break;
}}
case kHIDUsage_GD_DPadUp:
case kHIDUsage_GD_DPadDown:
case kHIDUsage_GD_DPadRight:
case kHIDUsage_GD_DPadLeft:
case kHIDUsage_GD_Start:
case kHIDUsage_GD_Select:
case kHIDUsage_GD_SystemMainMenu:
goto button;
case kHIDUsage_GD_Hatswitch: {
JOYHat *hat = [[JOYHat alloc] initWithElement: element];
[_hats setObject:hat forKey:element];
if (hatsEmulateButtons) {
_hatEmulatedButtons[@(hat.uniqueID)] = @[
[[JOYEmulatedButton alloc] initWithUsage:JOYButtonUsageDPadLeft uniqueID:hat.uniqueID | 0x100000000L],
[[JOYEmulatedButton alloc] initWithUsage:JOYButtonUsageDPadRight uniqueID:hat.uniqueID | 0x200000000L],
[[JOYEmulatedButton alloc] initWithUsage:JOYButtonUsageDPadUp uniqueID:hat.uniqueID | 0x300000000L],
[[JOYEmulatedButton alloc] initWithUsage:JOYButtonUsageDPadDown uniqueID:hat.uniqueID | 0x400000000L],
];
}
break;
}
}
}
}
- (instancetype)initWithDevice:(IOHIDDeviceRef)device reportIDFilter:(NSArray <NSNumber *> *) filter serialSuffix:(NSString *)suffix hacks:(NSDictionary *)hacks
{
self = [super init];
if (!self) return self;
_physicallyConnected = true;
_logicallyConnected = true;
_device = (IOHIDDeviceRef)CFRetain(device);
_serialSuffix = suffix;
_playerLEDs = -1;
IOHIDDeviceRegisterInputValueCallback(device, HIDInput, (void *)self);
IOHIDDeviceScheduleWithRunLoop(device, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
NSArray *array = CFBridgingRelease(IOHIDDeviceCopyMatchingElements(device, NULL, kIOHIDOptionsTypeNone));
_buttons = [NSMutableDictionary dictionary];
_axes = [NSMutableDictionary dictionary];
_axes2D = [NSMutableDictionary dictionary];
_hats = [NSMutableDictionary dictionary];
_axisEmulatedButtons = [NSMutableDictionary dictionary];
_axes2DEmulatedButtons = [NSMutableDictionary dictionary];
_hatEmulatedButtons = [NSMutableDictionary dictionary];
_iokitToJOY = [NSMutableDictionary dictionary];
//NSMutableArray *axes3d = [NSMutableArray array];
_hacks = hacks;
_isSwitch = [_hacks[JOYIsSwitch] boolValue];
_isDualShock3 = [_hacks[JOYIsDualShock3] boolValue];
_isSony = [_hacks[JOYIsSony] boolValue];
NSDictionary *customReports = hacks[JOYCustomReports];
_lastReport = [NSMutableData dataWithLength:MAX(
MAX(
[(__bridge NSNumber *)IOHIDDeviceGetProperty(device, CFSTR(kIOHIDMaxInputReportSizeKey)) unsignedIntValue],
[(__bridge NSNumber *)IOHIDDeviceGetProperty(device, CFSTR(kIOHIDMaxOutputReportSizeKey)) unsignedIntValue]
),
[(__bridge NSNumber *)IOHIDDeviceGetProperty(device, CFSTR(kIOHIDMaxFeatureReportSizeKey)) unsignedIntValue]
)];
IOHIDDeviceRegisterInputReportCallback(device, _lastReport.mutableBytes, _lastReport.length, HIDReport, (void *)self);
if (hacks[JOYCustomReports]) {
_multiElements = [NSMutableDictionary dictionary];
_fullReportElements = [NSMutableDictionary dictionary];
for (NSNumber *_reportID in customReports) {
signed reportID = [_reportID intValue];
bool isOutput = false;
if (reportID < 0) {
isOutput = true;
reportID = -reportID;
}
JOYFullReportElement *element = [[JOYFullReportElement alloc] initWithDevice:device reportID:reportID];
NSMutableArray *elements = [NSMutableArray array];
for (NSDictionary <NSString *,NSNumber *> *subElementDef in customReports[_reportID]) {
if (filter && subElementDef[@"reportID"] && ![filter containsObject:subElementDef[@"reportID"]]) continue;
JOYSubElement *subElement = [[JOYSubElement alloc] initWithRealElement:element
size:subElementDef[@"size"].unsignedLongValue
offset:subElementDef[@"offset"].unsignedLongValue + 8 // Compensate for the reportID
usagePage:subElementDef[@"usagePage"].unsignedLongValue
usage:subElementDef[@"usage"].unsignedLongValue
min:subElementDef[@"min"].unsignedIntValue
max:subElementDef[@"max"].unsignedIntValue];
[elements addObject:subElement];
if (isOutput) {
[self createOutputForElement:subElement];
}
else {
[self createInputForElement:subElement];
}
}
_multiElements[element] = elements;
if (!isOutput) {
_fullReportElements[@(reportID)] = element;
}
}
}
id previous = nil;
NSSet *ignoredReports = nil;
if (hacks[JOYIgnoredReports]) {
ignoredReports = [NSSet setWithArray:hacks[JOYIgnoredReports]];
}
for (id _element in array) {
if (_element == previous) continue; // Some elements are reported twice for some reason
previous = _element;
JOYElement *element = [[JOYElement alloc] initWithElement:(__bridge IOHIDElementRef)_element];
bool isOutput = false;
if (filter && ![filter containsObject:@(element.reportID)]) continue;
switch (IOHIDElementGetType((__bridge IOHIDElementRef)_element)) {
/* Handled */
case kIOHIDElementTypeInput_Misc:
case kIOHIDElementTypeInput_Button:
case kIOHIDElementTypeInput_Axis:
break;
case kIOHIDElementTypeOutput:
isOutput = true;
break;
/* Ignored */
default:
case kIOHIDElementTypeInput_ScanCodes:
case kIOHIDElementTypeInput_NULL:
case kIOHIDElementTypeFeature:
case kIOHIDElementTypeCollection:
continue;
}
if ((!isOutput && [ignoredReports containsObject:@(element.reportID)]) ||
(isOutput && [ignoredReports containsObject:@(-element.reportID)])) continue;
if (IOHIDElementIsArray((__bridge IOHIDElementRef)_element)) continue;
if (isOutput) {
[self createOutputForElement:element];
}
else {
[self createInputForElement:element];
}
_iokitToJOY[@(IOHIDElementGetCookie((__bridge IOHIDElementRef)_element))] = element;
}
[exposedControllers addObject:self];
if (_logicallyConnected) {
for (id<JOYListener> listener in listeners) {
if ([listener respondsToSelector:@selector(controllerConnected:)]) {
[listener controllerConnected:self];
}
}
}
if (_hacks[JOYActivationReport]) {
[self sendReport:hacks[JOYActivationReport]];
}
if (_isSwitch) {
[self sendReport:[NSData dataWithBytes:(uint8_t[]){0x80, 0x04} length:2]];
[self sendReport:[NSData dataWithBytes:(uint8_t[]){0x80, 0x02} length:2]];
}
if (_isDualShock3) {
_lastVendorSpecificOutput.ds3Output = (JOYDualShock3Output){
.reportID = 1,
.led = {
{.timeEnabled = 0xff, .dutyLength = 0x27, .enabled = 0x10, .dutyOff = 0, .dutyOn = 0x32},
{.timeEnabled = 0xff, .dutyLength = 0x27, .enabled = 0x10, .dutyOff = 0, .dutyOn = 0x32},
{.timeEnabled = 0xff, .dutyLength = 0x27, .enabled = 0x10, .dutyOff = 0, .dutyOn = 0x32},
{.timeEnabled = 0xff, .dutyLength = 0x27, .enabled = 0x10, .dutyOff = 0, .dutyOn = 0x32},
{.timeEnabled = 0, .dutyLength = 0, .enabled = 0, .dutyOff = 0, .dutyOn = 0},
}
};
}
if (_isSony) {
_isDualSense = [(__bridge NSNumber *)IOHIDDeviceGetProperty(device, CFSTR(kIOHIDProductIDKey)) unsignedIntValue] == 0xce6;
}
if (_isDualSense) {
_isUSBDualSense = [(__bridge NSString *)IOHIDDeviceGetProperty(_device, CFSTR(kIOHIDTransportKey)) isEqualToString:@"USB"];
_lastVendorSpecificOutput.dualsenseOutput = (JOYDualSenseOutput){
.reportID = 0x31,
.tag = 0x10,
.flags = 0x1403, // Rumble, lightbar and player LEDs
.flags2 = 2,
.lightbarSetup = 2,
.lightbarBlue = 255,
};
if (_isUSBDualSense) {
_lastVendorSpecificOutput.dualsenseOutput.reportIDOnUSB = 1;
_lastVendorSpecificOutput.dualsenseOutput.lightbarBlue = 0;
_lastVendorSpecificOutput.dualsenseOutput.lightbarGreen = 96;
_lastVendorSpecificOutput.dualsenseOutput.lightbarRed = 255;
}
// Send a report to switch the controller to a more capable mode
[self sendDualSenseOutput];
_lastVendorSpecificOutput.dualsenseOutput.flags2 = 0;
_lastVendorSpecificOutput.dualsenseOutput.lightbarSetup = 0;
}
_rumbleQueue = dispatch_queue_create([NSString stringWithFormat:@"Rumble Queue for %@", self.deviceName].UTF8String,
NULL);
return self;
}
- (NSString *)deviceName
{
if (!_device) return nil;
return IOHIDDeviceGetProperty(_device, CFSTR(kIOHIDProductKey));
}
- (NSString *)uniqueID
{
if (!_device) return nil;
NSString *serial = (__bridge NSString *)IOHIDDeviceGetProperty(_device, CFSTR(kIOHIDSerialNumberKey));
if (!serial || [(__bridge NSString *)IOHIDDeviceGetProperty(_device, CFSTR(kIOHIDTransportKey)) isEqualToString:@"USB"]) {
serial = [NSString stringWithFormat:@"%04x%04x%08x",
[(__bridge NSNumber *)IOHIDDeviceGetProperty(_device, CFSTR(kIOHIDVendorIDKey)) unsignedIntValue],
[(__bridge NSNumber *)IOHIDDeviceGetProperty(_device, CFSTR(kIOHIDProductIDKey)) unsignedIntValue],
[(__bridge NSNumber *)IOHIDDeviceGetProperty(_device, CFSTR(kIOHIDLocationIDKey)) unsignedIntValue]];
}
if (_serialSuffix) {
return [NSString stringWithFormat:@"%@-%@", serial, _serialSuffix];
}
return serial;
}
- (NSString *)description
{
return [NSString stringWithFormat:@"<%@: %p, %@, %@>", self.className, self, self.deviceName, self.uniqueID];
}
- (NSArray<JOYButton *> *)buttons
{
NSMutableArray *ret = [[_buttons allValues] mutableCopy];
[ret addObjectsFromArray:_axisEmulatedButtons.allValues];
for (NSArray *array in _axes2DEmulatedButtons.allValues) {
[ret addObjectsFromArray:array];
}
for (NSArray *array in _hatEmulatedButtons.allValues) {
[ret addObjectsFromArray:array];
}
return ret;
}
- (NSArray<JOYAxis *> *)axes
{
return [_axes allValues];
}
- (NSArray<JOYAxes2D *> *)axes2D
{
return [[NSSet setWithArray:[_axes2D allValues]] allObjects];
}
- (NSArray<JOYHat *> *)hats
{
return [_hats allValues];
}
- (void)gotReport:(NSData *)report
{
JOYFullReportElement *element = _fullReportElements[@(*(uint8_t *)report.bytes)];
if (element) {
[element updateValue:report];
NSArray<JOYElement *> *subElements = _multiElements[element];
if (subElements) {
for (JOYElement *subElement in subElements) {
[self _elementChanged:subElement];
}
}
}
dispatch_async(_rumbleQueue, ^{
[self updateRumble];
});
}
- (void)elementChanged:(IOHIDElementRef)element
{
JOYElement *_element = _iokitToJOY[@(IOHIDElementGetCookie(element))];
if (_element) {
[self _elementChanged:_element];
}
else {
//NSLog(@"Unhandled usage %x (Cookie: %x, Usage: %x)", IOHIDElementGetUsage(element), IOHIDElementGetCookie(element), IOHIDElementGetUsage(element));
}
}
- (void)_elementChanged:(JOYElement *)element
{
if (element == _connectedElement) {
bool old = self.connected;
_logicallyConnected = _connectedElement.value != _connectedElement.min;
if (!old && self.connected) {
for (id<JOYListener> listener in listeners) {
if ([listener respondsToSelector:@selector(controllerConnected:)]) {
[listener controllerConnected:self];
}
}
}
else if (old && !self.connected) {
for (id<JOYListener> listener in listeners) {
if ([listener respondsToSelector:@selector(controllerDisconnected:)]) {
[listener controllerDisconnected:self];
}
}
}
}
if (!self.connected) return;
{
JOYButton *button = _buttons[element];
if (button) {
if ([button updateState]) {
for (id<JOYListener> listener in listeners) {
if ([listener respondsToSelector:@selector(controller:buttonChangedState:)]) {
[listener controller:self buttonChangedState:button];
}
}
}
return;
}
}
{
JOYAxis *axis = _axes[element];
if (axis) {
if ([axis updateState]) {
for (id<JOYListener> listener in listeners) {
if ([listener respondsToSelector:@selector(controller:movedAxis:)]) {
[listener controller:self movedAxis:axis];
}
}
JOYEmulatedButton *button = _axisEmulatedButtons[@(axis.uniqueID)];
if ([button updateStateFromAxis:axis]) {
for (id<JOYListener> listener in listeners) {
if ([listener respondsToSelector:@selector(controller:buttonChangedState:)]) {
[listener controller:self buttonChangedState:button];
}
}
}
}
return;
}
}
{
JOYAxes2D *axes = _axes2D[element];
if (axes) {
if ([axes updateState]) {
for (id<JOYListener> listener in listeners) {
if ([listener respondsToSelector:@selector(controller:movedAxes2D:)]) {
[listener controller:self movedAxes2D:axes];
}
}
NSArray <JOYEmulatedButton *> *buttons = _axes2DEmulatedButtons[@(axes.uniqueID)];
for (JOYEmulatedButton *button in buttons) {
if ([button updateStateFromAxes2D:axes]) {
for (id<JOYListener> listener in listeners) {
if ([listener respondsToSelector:@selector(controller:buttonChangedState:)]) {
[listener controller:self buttonChangedState:button];
}
}
}
}
}
return;
}
}
{
JOYHat *hat = _hats[element];
if (hat) {
if ([hat updateState]) {
for (id<JOYListener> listener in listeners) {
if ([listener respondsToSelector:@selector(controller:movedHat:)]) {
[listener controller:self movedHat:hat];
}
}
NSArray <JOYEmulatedButton *> *buttons = _hatEmulatedButtons[@(hat.uniqueID)];
for (JOYEmulatedButton *button in buttons) {
if ([button updateStateFromHat:hat]) {
for (id<JOYListener> listener in listeners) {
if ([listener respondsToSelector:@selector(controller:buttonChangedState:)]) {
[listener controller:self buttonChangedState:button];
}
}
}
}
}
return;
}
}
}
- (void)disconnected
{
if (_logicallyConnected && [exposedControllers containsObject:self]) {
for (id<JOYListener> listener in listeners) {
if ([listener respondsToSelector:@selector(controllerDisconnected:)]) {
[listener controllerDisconnected:self];
}
}
}
_physicallyConnected = false;
[exposedControllers removeObject:self];
[self setRumbleAmplitude:0];
dispatch_sync(_rumbleQueue, ^{
[self updateRumble];
});
_device = nil;
}
- (void)sendReport:(NSData *)report
{
if (!report.length) return;
if (!_device) return;
if (_deviceCantSendReports) return;
/* Some Macs fail to send reports to some devices, specifically the DS3, returning the bogus(?) error code 1 after
freezing for 5 seconds. Stop sending reports if that's the case. */
if (IOHIDDeviceSetReport(_device, kIOHIDReportTypeOutput, *(uint8_t *)report.bytes, report.bytes, report.length) == 1) {
_deviceCantSendReports = true;
NSLog(@"This Mac appears to be incapable of sending output reports to %@", self);
}
}
- (void) sendDualSenseOutput
{
if (_isUSBDualSense) {
[self sendReport:[NSData dataWithBytes:&_lastVendorSpecificOutput.dualsenseOutput.reportIDOnUSB length:_lastVendorSpecificOutput.dualsenseOutput.bluetoothSpecific - &_lastVendorSpecificOutput.dualsenseOutput.reportIDOnUSB]];
return;
}
_lastVendorSpecificOutput.dualsenseOutput.sequence += 0x10;
static const uint32_t table[] = {
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
};
const uint8_t *byte = (void *)&_lastVendorSpecificOutput.dualsenseOutput;
uint32_t size = sizeof(_lastVendorSpecificOutput.dualsenseOutput) - 4;
uint32_t ret = 0xFFFFFFFF;
ret = table[(ret ^ 0xa2) & 0xFF] ^ (ret >> 8);
while (size--) {
ret = table[(ret ^ *byte++) & 0xFF] ^ (ret >> 8);
}
_lastVendorSpecificOutput.dualsenseOutput.crc32 = ~ret;
[self sendReport:[NSData dataWithBytes:&_lastVendorSpecificOutput.dualsenseOutput length:sizeof(_lastVendorSpecificOutput.dualsenseOutput)]];
}
- (uint8_t)LEDMaskForPlayer:(unsigned)player
{
if (_isDualShock3) {
return 2 << player;
}
if (_isUSBDualSense) {
switch (player) {
case 0: return 0x04;
case 1: return 0x0A;
case 2: return 0x15;
case 3: return 0x1B;
default: return 0;
}
}
return 1 << player;
}
- (void)setPlayerLEDs:(uint8_t)mask
{
if (mask == _playerLEDs) {
return;
}
_playerLEDs = mask;
if (_isSwitch) {
_lastVendorSpecificOutput.switchPacket.reportID = 0x1; // Rumble and LEDs
_lastVendorSpecificOutput.switchPacket.sequence++;
_lastVendorSpecificOutput.switchPacket.sequence &= 0xF;
_lastVendorSpecificOutput.switchPacket.command = 0x30; // LED
_lastVendorSpecificOutput.switchPacket.commandData[0] = mask & 0xF;
[self sendReport:[NSData dataWithBytes:&_lastVendorSpecificOutput.switchPacket length:sizeof(_lastVendorSpecificOutput.switchPacket)]];
}
else if (_isDualShock3) {
_lastVendorSpecificOutput.ds3Output.reportID = 1;
_lastVendorSpecificOutput.ds3Output.ledsEnabled = (mask & 0x1F);
[self sendReport:[NSData dataWithBytes:&_lastVendorSpecificOutput.ds3Output length:sizeof(_lastVendorSpecificOutput.ds3Output)]];
}
else if (_isDualSense) {
_lastVendorSpecificOutput.dualsenseOutput.playerLEDs = mask & 0x1F;
[self sendDualSenseOutput];
}
}
- (void)updateRumble
{
if (!self.connected) {
return;
}
if (!_rumbleElement && !_isSwitch && !_isDualShock3 && !_isDualSense) {
return;
}
if (_rumbleElement.max == 1 && _rumbleElement.min == 0) {
double ampToSend = _rumbleCounter < round(_rumbleAmplitude * PWM_RESOLUTION);
if (ampToSend != _sentRumbleAmp) {
[_rumbleElement setValue:ampToSend];
_sentRumbleAmp = ampToSend;
}
_rumbleCounter += round(_rumbleAmplitude * PWM_RESOLUTION);
if (_rumbleCounter >= PWM_RESOLUTION) {
_rumbleCounter -= PWM_RESOLUTION;
}
}
else {
if (_rumbleAmplitude == _sentRumbleAmp) {
return;
}
_sentRumbleAmp = _rumbleAmplitude;
if (_isSwitch) {
double frequency = 144;
double amp = _rumbleAmplitude;
uint8_t highAmp = amp * 0x64;
uint8_t lowAmp = amp * 0x32 + 0x40;
if (frequency < 0) frequency = 0;
if (frequency > 1252) frequency = 1252;
uint8_t encodedFrequency = (uint8_t)round(log2(frequency / 10.0) * 32.0);
uint16_t highFreq = (encodedFrequency - 0x60) * 4;
uint8_t lowFreq = encodedFrequency - 0x40;
//if (frequency < 82 || frequency > 312) {
if (amp) {
highAmp = 0;
}
if (frequency < 40 || frequency > 626) {
lowAmp = 0;
}
_lastVendorSpecificOutput.switchPacket.rumbleData[0] = _lastVendorSpecificOutput.switchPacket.rumbleData[4] = highFreq & 0xFF;
_lastVendorSpecificOutput.switchPacket.rumbleData[1] = _lastVendorSpecificOutput.switchPacket.rumbleData[5] = (highAmp << 1) + ((highFreq >> 8) & 0x1);
_lastVendorSpecificOutput.switchPacket.rumbleData[2] = _lastVendorSpecificOutput.switchPacket.rumbleData[6] = lowFreq;
_lastVendorSpecificOutput.switchPacket.rumbleData[3] = _lastVendorSpecificOutput.switchPacket.rumbleData[7] = lowAmp;
_lastVendorSpecificOutput.switchPacket.reportID = 0x10; // Rumble only
_lastVendorSpecificOutput.switchPacket.sequence++;
_lastVendorSpecificOutput.switchPacket.sequence &= 0xF;
_lastVendorSpecificOutput.switchPacket.command = 0; // LED
[self sendReport:[NSData dataWithBytes:&_lastVendorSpecificOutput.switchPacket length:sizeof(_lastVendorSpecificOutput.switchPacket)]];
}
else if (_isDualShock3) {
_lastVendorSpecificOutput.ds3Output.reportID = 1;
_lastVendorSpecificOutput.ds3Output.rumbleLeftDuration = _lastVendorSpecificOutput.ds3Output.rumbleRightDuration = _rumbleAmplitude? 0xff : 0;
_lastVendorSpecificOutput.ds3Output.rumbleLeftStrength = _lastVendorSpecificOutput.ds3Output.rumbleRightStrength = round(_rumbleAmplitude * 0xff);
[self sendReport:[NSData dataWithBytes:&_lastVendorSpecificOutput.ds3Output length:sizeof(_lastVendorSpecificOutput.ds3Output)]];
}
else if (_isDualSense) {
_lastVendorSpecificOutput.dualsenseOutput.rumbleLeftStrength = round(_rumbleAmplitude * _rumbleAmplitude * 0xff);
_lastVendorSpecificOutput.dualsenseOutput.rumbleRightStrength = _rumbleAmplitude > 0.25 ? round(pow(_rumbleAmplitude - 0.25, 2) * 0xff) : 0;
[self sendDualSenseOutput];
}
else {
[_rumbleElement setValue:_rumbleAmplitude * (_rumbleElement.max - _rumbleElement.min) + _rumbleElement.min];
}
}
}
- (void)setRumbleAmplitude:(double)amp /* andFrequency: (double)frequency */
{
if (amp < 0) amp = 0;
if (amp > 1) amp = 1;
_rumbleAmplitude = amp;
}
- (bool)isConnected
{
return _logicallyConnected && _physicallyConnected;
}
+ (void)controllerAdded:(IOHIDDeviceRef) device
{
NSString *name = (__bridge NSString *)IOHIDDeviceGetProperty(device, CFSTR(kIOHIDProductKey));
NSDictionary *hacks = hacksByName[name];
if (!hacks) {
hacks = hacksByManufacturer[(__bridge NSNumber *)IOHIDDeviceGetProperty(device, CFSTR(kIOHIDVendorIDKey))];
}
NSArray *filters = hacks[JOYReportIDFilters];
JOYController *controller = nil;
if (filters) {
controller = [[JOYMultiplayerController alloc] initWithDevice:device
reportIDFilters:filters
hacks:hacks];
}
else {
controller = [[JOYController alloc] initWithDevice:device hacks:hacks];
}
[controllers setObject:controller forKey:[NSValue valueWithPointer:device]];
}
+ (void)controllerRemoved:(IOHIDDeviceRef) device
{
[[controllers objectForKey:[NSValue valueWithPointer:device]] disconnected];
[controllers removeObjectForKey:[NSValue valueWithPointer:device]];
}
+ (NSArray<JOYController *> *)allControllers
{
return exposedControllers;
}
+ (void)load
{
#include "ControllerConfiguration.inc"
}
+(void)registerListener:(id<JOYListener>)listener
{
[listeners addObject:listener];
}
+(void)unregisterListener:(id<JOYListener>)listener
{
[listeners removeObject:listener];
}
+ (void)startOnRunLoop:(NSRunLoop *)runloop withOptions: (NSDictionary *)options
{
axes2DEmulateButtons = [options[JOYAxes2DEmulateButtonsKey] boolValue];
hatsEmulateButtons = [options[JOYHatsEmulateButtonsKey] boolValue];
controllers = [NSMutableDictionary dictionary];
exposedControllers = [NSMutableArray array];
NSArray *array = @[
CreateHIDDeviceMatchDictionary(kHIDPage_GenericDesktop, kHIDUsage_GD_Joystick),
CreateHIDDeviceMatchDictionary(kHIDPage_GenericDesktop, kHIDUsage_GD_GamePad),
CreateHIDDeviceMatchDictionary(kHIDPage_GenericDesktop, kHIDUsage_GD_MultiAxisController),
@{@kIOHIDDeviceUsagePageKey: @(kHIDPage_Game)},
];
listeners = [NSMutableSet set];
static IOHIDManagerRef manager = nil;
if (manager) {
CFRelease(manager); // Stop the previous session
}
manager = IOHIDManagerCreate(kCFAllocatorDefault, kIOHIDOptionsTypeNone);
if (!manager) return;
if (IOHIDManagerOpen(manager, kIOHIDOptionsTypeNone)) {
CFRelease(manager);
return;
}
IOHIDManagerSetDeviceMatchingMultiple(manager, (__bridge CFArrayRef)array);
IOHIDManagerRegisterDeviceMatchingCallback(manager, HIDDeviceAdded, NULL);
IOHIDManagerRegisterDeviceRemovalCallback(manager, HIDDeviceRemoved, NULL);
IOHIDManagerScheduleWithRunLoop(manager, [runloop getCFRunLoop], kCFRunLoopDefaultMode);
}
- (void)dealloc
{
if (_device) {
CFRelease(_device);
_device = NULL;
}
}
@end
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