mirror of
https://github.com/TomHarte/CLK.git
synced 2024-11-23 03:32:32 +00:00
Walks a few steps further along device inspection.
This commit is contained in:
parent
09950d9414
commit
8d18808efe
@ -11,21 +11,29 @@
|
||||
@import IOKit;
|
||||
#include <IOKit/hid/IOHIDLib.h>
|
||||
|
||||
@interface CSJoystickManager ()
|
||||
- (void)deviceMatched:(IOHIDDeviceRef)device result:(IOReturn)result sender:(void *)sender;
|
||||
- (void)deviceRemoved:(IOHIDDeviceRef)device result:(IOReturn)result sender:(void *)sender;
|
||||
@end
|
||||
|
||||
static void DeviceMatched(void *context, IOReturn result, void *sender, IOHIDDeviceRef device) {
|
||||
NSLog(@"Matched");
|
||||
[(__bridge CSJoystickManager *)context deviceMatched:device result:result sender:sender];
|
||||
}
|
||||
|
||||
static void DeviceRemoved(void *context, IOReturn result, void *sender, IOHIDDeviceRef device) {
|
||||
NSLog(@"Removed");
|
||||
[(__bridge CSJoystickManager *)context deviceRemoved:device result:result sender:sender];
|
||||
}
|
||||
|
||||
@implementation CSJoystickManager {
|
||||
IOHIDManagerRef _hidManager;
|
||||
NSMutableSet<NSValue *> *_activeDevices;
|
||||
}
|
||||
|
||||
- (instancetype)init {
|
||||
self = [super init];
|
||||
if(self) {
|
||||
_activeDevices = [[NSMutableSet alloc] init];
|
||||
|
||||
_hidManager = IOHIDManagerCreate(kCFAllocatorDefault, kIOHIDOptionsTypeNone);
|
||||
if(!_hidManager) return nil;
|
||||
|
||||
@ -56,4 +64,57 @@ static void DeviceRemoved(void *context, IOReturn result, void *sender, IOHIDDev
|
||||
CFRelease(_hidManager);
|
||||
}
|
||||
|
||||
- (void)deviceMatched:(IOHIDDeviceRef)device result:(IOReturn)result sender:(void *)sender {
|
||||
NSValue *const deviceKey = [NSValue valueWithPointer:device];
|
||||
if([_activeDevices containsObject:deviceKey]) {
|
||||
return;
|
||||
}
|
||||
|
||||
[_activeDevices addObject:deviceKey];
|
||||
NSLog(@"Matched");
|
||||
|
||||
const CFArrayRef elements = IOHIDDeviceCopyMatchingElements(device, NULL, kIOHIDOptionsTypeNone);
|
||||
for(CFIndex index = 0; index < CFArrayGetCount(elements); ++index) {
|
||||
const IOHIDElementRef element = (IOHIDElementRef)CFArrayGetValueAtIndex(elements, index);
|
||||
|
||||
// Check that this element is either on the generic desktop page or else is a button.
|
||||
const uint32_t usagePage = IOHIDElementGetUsagePage(element);
|
||||
if(usagePage != kHIDPage_GenericDesktop && usagePage != kHIDPage_Button) continue;
|
||||
|
||||
// Then inspect the usage and type.
|
||||
const IOHIDElementType type = IOHIDElementGetType(element);
|
||||
|
||||
// IOHIDElementGetCookie
|
||||
|
||||
switch(type) {
|
||||
default: break;
|
||||
case kIOHIDElementTypeInput_Button:
|
||||
// Add a buton
|
||||
break;
|
||||
|
||||
case kIOHIDElementTypeInput_Misc:
|
||||
case kIOHIDElementTypeInput_Axis: {
|
||||
const uint32_t usage = IOHIDElementGetUsage(element);
|
||||
// Add something depending on usage...
|
||||
} break;
|
||||
|
||||
case kIOHIDElementTypeCollection:
|
||||
// TODO: recurse.
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
CFRelease(elements);
|
||||
}
|
||||
|
||||
- (void)deviceRemoved:(IOHIDDeviceRef)device result:(IOReturn)result sender:(void *)sender {
|
||||
NSValue *const deviceKey = [NSValue valueWithPointer:device];
|
||||
if(![_activeDevices containsObject:deviceKey]) {
|
||||
return;
|
||||
}
|
||||
|
||||
[_activeDevices removeObject:deviceKey];
|
||||
NSLog(@"Removed");
|
||||
}
|
||||
|
||||
@end
|
||||
|
Loading…
Reference in New Issue
Block a user