mac 下读写非hid的usb设备
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DeviceObject.h
#import <Foundation/Foundation.h>#include <IOKit/usb/IOUSBLib.h>#include <IOKit/IOCFPlugIn.h>@interface DeviceObject : NSObject@property(nonatomic,assign)io_object_t notification;@property(nonatomic,assign)IOUSBInterfaceInterface **interface;@property(nonatomic,assign)UInt32 locationID;@property(nonatomic,assign)CFStringRefdeviceName;@property(nonatomic,assign)IOUSBDeviceInterface **dev;@property(nonatomic,assign)UInt8 pipeIn;@property(nonatomic,assign)UInt8 pipeOut;@property(nonatomic,assign)UInt16 maxPacketSizeIn;@property(nonatomic,assign)UInt16 maxPacketSizeOut;@end
DeviceObject.m
#import "DeviceObject.h"@implementation DeviceObject@synthesize notification;@synthesize interface;@synthesize locationID;@synthesize deviceName;@synthesize dev;@synthesize pipeIn;@synthesize pipeOut;@synthesize maxPacketSizeIn;@synthesize maxPacketSizeOut;@end
UsbMonitor.h
#import <Foundation/Foundation.h>#include <IOKit/IOKitLib.h>#include <IOKit/IOMessage.h>#include <IOKit/IOCFPlugIn.h>#include <IOKit/usb/IOUSBLib.h>#import "DeviceObject.h"@protocol UsbMonitorDelegate <NSObject>@optional- (void)usbDidPlunIn:(DeviceObject*)usbObject;- (void)usbDidRemove:(DeviceObject*)usbObject;@end@interface UsbMonitor : NSObject {}@property(nonatomic,strong)NSMutableArray* arrayDevices;@property(nonatomic,strong)id<UsbMonitorDelegate> delegate;+ (UsbMonitor *)sharedUsbMonitorManager;- (id)initWithVID:(long)vid withPID:(long)pid;- (id)initWithVID:(long)vid withPID:(long)pid withDelegate:(id<UsbMonitorDelegate>)gate;- (DeviceObject*)getObjectByID:(long)localid;- (IOReturn)WriteSync:(DeviceObject*)pDev buffer:(char*) writeBuffer size:(unsigned int)size;- (IOReturn)WriteAsync:(DeviceObject*)pDev buffer:(char*)writeBuffer size:(unsigned int)size;- (IOReturn)ReadSync:(DeviceObject*)pDev buffer:(char*)buff size:(unsigned int)size;- (IOReturn)ReadAsync:(DeviceObject*)pDev buffer:(char*)buff size:(unsigned int)size;- (NSMutableArray*)getDeviceArray;@endUsbMonitor.m
#import "UsbMonitor.h"@implementation UsbMonitor@synthesize arrayDevices;@synthesize delegate;static UsbMonitor *sharedInstance = nil;IONotificationPortRefgNotifyPort;io_iterator_tgAddedIter;CFRunLoopRefgRunLoop;void SignalHandler(int sigraised) { fprintf(stderr, "\nInterrupted.\n"); exit(0);}void DeviceNotification(void *refCon, io_service_t service, natural_t messageType, void *messageArgument) { kern_return_tkr; DeviceObject*privateDataRef = (__bridge DeviceObject *) refCon; if (messageType == kIOMessageServiceIsTerminated) { for (DeviceObject* usbObj in [UsbMonitor sharedUsbMonitorManager].arrayDevices) { if (usbObj.locationID == privateDataRef.locationID) { NSLog(@"delete id=%08x",usbObj.locationID); [[UsbMonitor sharedUsbMonitorManager].arrayDevices removeObject:usbObj]; break; } } if ([[UsbMonitor sharedUsbMonitorManager].delegate respondsToSelector:@selector(usbDidRemove:)]) { [[UsbMonitor sharedUsbMonitorManager].delegate usbDidRemove:privateDataRef]; } CFRelease(privateDataRef.deviceName); if (privateDataRef.interface) { (*(privateDataRef.interface))->USBInterfaceClose(privateDataRef.interface); (*(privateDataRef.interface))->Release(privateDataRef.interface); } if (privateDataRef.dev) { (*(privateDataRef.dev))->USBDeviceClose(privateDataRef.dev); kr = (*privateDataRef.dev)->Release(privateDataRef.dev); } kr = IOObjectRelease(privateDataRef.notification); }}void DeviceAdded(void *refCon, io_iterator_t iterator) { kern_return_tkr; io_service_tusbDevice; IOCFPlugInInterface**plugInInterface = NULL; SInt32score; HRESULT res; while ((usbDevice = IOIteratorNext(iterator))) { io_name_tdeviceName; CFStringRefdeviceNameAsCFString; DeviceObject*privateDataRef = [[DeviceObject alloc]init]; UInt32locationID; kr = IORegistryEntryGetName(usbDevice, deviceName); if (KERN_SUCCESS != kr) { deviceName[0] = '\0'; } deviceNameAsCFString = CFStringCreateWithCString(kCFAllocatorDefault,deviceName,kCFStringEncodingASCII); //NSLog(@"deviceName:%@",deviceNameAsCFString); privateDataRef.deviceName = deviceNameAsCFString; kr = IOCreatePlugInInterfaceForService(usbDevice,kIOUSBDeviceUserClientTypeID, kIOCFPlugInInterfaceID,&plugInInterface, &score); if ((kIOReturnSuccess != kr) || !plugInInterface) { NSLog(@"IOCreatePlugInInterfaceForService returned 0x%08x.",kr); continue; } IOUSBDeviceInterface **oneDev = NULL; res = (*plugInInterface)->QueryInterface(plugInInterface, CFUUIDGetUUIDBytes(kIOUSBDeviceInterfaceID),(LPVOID*)&oneDev); privateDataRef.dev = oneDev; (*plugInInterface)->Release(plugInInterface); if (res || privateDataRef.dev == NULL) { NSLog(@"QueryInterface returned %d.\n", (int)res); continue; } kr = (*privateDataRef.dev)->GetLocationID(privateDataRef.dev, &locationID); if (KERN_SUCCESS != kr) { NSLog(@"GetLocationID returned 0x%08x.\n", kr); continue; } else { NSLog(@"Location ID: 0x%08x", locationID); } privateDataRef.locationID = locationID; kr = (*privateDataRef.dev)->USBDeviceOpen(privateDataRef.dev); if(kr != kIOReturnSuccess) { NSLog(@"Usb Open Fail!"); (*privateDataRef.dev)->USBDeviceClose(privateDataRef.dev); (void) (*privateDataRef.dev)->Release(privateDataRef.dev); privateDataRef.dev = NULL; continue; } //configure device UInt8 numConfig; IOUSBConfigurationDescriptorPtr configDesc; //Get the number of configurations. kr = (*privateDataRef.dev)->GetNumberOfConfigurations(privateDataRef.dev, &numConfig); if(numConfig == 0) continue; //Get the configuration descriptor for index 0 kr = (*privateDataRef.dev)->GetConfigurationDescriptorPtr(privateDataRef.dev, 0, &configDesc); if(kr != kIOReturnSuccess) { NSLog(@"Unable to get configuration descriptor for index 0 (err = %08x)\n",kr); continue; } kr = [[UsbMonitor sharedUsbMonitorManager] FindUSBInterface:privateDataRef]; if (kr != kIOReturnSuccess) { NSLog(@"Interface Open Fail!"); (*privateDataRef.dev)->USBDeviceClose(privateDataRef.dev); (*privateDataRef.dev)->Release(privateDataRef.dev); privateDataRef.dev = NULL; continue ; } io_object_t oneIter; kr = IOServiceAddInterestNotification(gNotifyPort,usbDevice,kIOGeneralInterest,DeviceNotification,(__bridge void*)privateDataRef,&oneIter); privateDataRef.notification = oneIter; if (KERN_SUCCESS != kr) { NSLog(@"IOServiceAddInterestNotification returned 0x%08x", kr); } kr = IOObjectRelease(usbDevice); }}void usbMonitorCallBack(void *refcon, IOReturn result, void *arg0) { if (result == kIOReturnSuccess && refcon) { //u32 *pLen = (u32 *)refcon; //*pLen = reinterpret_cast<long>arg0; } NSLog(@"read and write callback!"); CFRunLoopStop(CFRunLoopGetCurrent());}+ (UsbMonitor *)sharedUsbMonitorManager { static dispatch_once_t onceToken; dispatch_once(&onceToken, ^{ if (sharedInstance == nil) sharedInstance = [(UsbMonitor *)[super allocWithZone:NULL] init]; }); return sharedInstance;}+ (id)allocWithZone:(NSZone *)zone { return [self sharedUsbMonitorManager];}- (id)copyWithZone:(NSZone *)zone { return self;}- (id)initWithVID:(long)vid withPID:(long)pid { self = [super init]; if (self) { arrayDevices = [NSMutableArray new]; CFMutableDictionaryRef matchingDict; CFRunLoopSourceRefrunLoopSource; CFNumberRefnumberRef; kern_return_tkr; longusbVendor = vid; longusbProduct = pid; matchingDict = IOServiceMatching(kIOUSBDeviceClassName); if (matchingDict == NULL) { return nil; } numberRef = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &usbVendor); CFDictionarySetValue(matchingDict,CFSTR(kUSBVendorID),numberRef); CFRelease(numberRef); numberRef = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &usbProduct); CFDictionarySetValue(matchingDict,CFSTR(kUSBProductID),numberRef); CFRelease(numberRef); numberRef = NULL; gNotifyPort = IONotificationPortCreate(kIOMasterPortDefault); runLoopSource = IONotificationPortGetRunLoopSource(gNotifyPort); gRunLoop = CFRunLoopGetCurrent(); CFRunLoopAddSource(gRunLoop, runLoopSource, kCFRunLoopDefaultMode); kr = IOServiceAddMatchingNotification(gNotifyPort,kIOFirstMatchNotification,matchingDict,DeviceAdded,NULL,&gAddedIter); DeviceAdded(NULL, gAddedIter); CFRunLoopRun(); } return self;}- (id)initWithVID:(long)vid withPID:(long)pid withDelegate:(id<UsbMonitorDelegate>)gate { self = [super init]; if (self) { arrayDevices = [NSMutableArray new]; CFMutableDictionaryRef matchingDict; CFRunLoopSourceRefrunLoopSource; CFNumberRefnumberRef; kern_return_tkr; longusbVendor = vid; longusbProduct = pid; delegate = gate;// sig_toldHandler;// // oldHandler = signal(SIGINT, SignalHandler);// if (oldHandler == SIG_ERR) {// fprintf(stderr, "Could not establish new signal handler.");// } matchingDict = IOServiceMatching(kIOUSBDeviceClassName); if (matchingDict == NULL) { return nil; } numberRef = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &usbVendor); CFDictionarySetValue(matchingDict,CFSTR(kUSBVendorID),numberRef); CFRelease(numberRef); numberRef = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &usbProduct); CFDictionarySetValue(matchingDict,CFSTR(kUSBProductID),numberRef); CFRelease(numberRef); numberRef = NULL; gNotifyPort = IONotificationPortCreate(kIOMasterPortDefault); runLoopSource = IONotificationPortGetRunLoopSource(gNotifyPort); gRunLoop = CFRunLoopGetCurrent(); CFRunLoopAddSource(gRunLoop, runLoopSource, kCFRunLoopDefaultMode); kr = IOServiceAddMatchingNotification(gNotifyPort,kIOFirstMatchNotification,matchingDict,DeviceAdded,NULL,&gAddedIter); DeviceAdded(NULL, gAddedIter); CFRunLoopRun(); } return self;}-(void)dealloc { for (DeviceObject* dev in arrayDevices) { (*(dev.interface))->USBInterfaceClose(dev.interface); (*(dev.interface))->Release(dev.interface); (*(dev.dev))->USBDeviceClose(dev.dev); (*(dev.dev))->Release(dev.dev); } [arrayDevices removeAllObjects];}-(IOReturn) FindUSBInterface:(DeviceObject*)usbObject { IOReturn kr = kIOReturnError; IOUSBFindInterfaceRequest request; io_iterator_t iterator; io_service_t usbInterface; IOCFPlugInInterface **plugInInterface = NULL; IOUSBInterfaceInterface **interface = NULL; HRESULT result; SInt32 score; UInt8 interfaceNumEndpoints; UInt8 pipeRef; UInt16 maxPacketSize = 0; UInt8 pipeIn = 0xff; UInt8 pipeOut = 0xff; UInt16 maxPacketSizeIn = 0; UInt16 maxPacketSizeOut = 0; //Iterate all usb interface request.bInterfaceClass = kIOUSBFindInterfaceDontCare; request.bInterfaceSubClass = kIOUSBFindInterfaceDontCare; request.bInterfaceProtocol = kIOUSBFindInterfaceDontCare; request.bAlternateSetting = kIOUSBFindInterfaceDontCare; //Get an iterator for the interfaces on the device kr = (*usbObject.dev)->CreateInterfaceIterator(usbObject.dev, &request, &iterator); if(kr != kIOReturnSuccess) { NSLog(@"Unable to CreateInterfaceIterator %08x\n", kr); return kr; } kr = kIOReturnError; while((usbInterface = IOIteratorNext(iterator))) { pipeIn = 0xff; pipeOut = 0xff; kr = IOCreatePlugInInterfaceForService(usbInterface, kIOUSBInterfaceUserClientTypeID, kIOCFPlugInInterfaceID, &plugInInterface, &score); kr = IOObjectRelease(usbInterface); if(kr != kIOReturnSuccess || !plugInInterface) { NSLog(@"Unable to create a plug-in (%08x)\n", kr); break; } result = (*plugInInterface)->QueryInterface(plugInInterface, CFUUIDGetUUIDBytes(kIOUSBInterfaceInterfaceID), (LPVOID *)&interface); IODestroyPlugInInterface(plugInInterface); if(result || !interface) { NSLog(@"Unable to create a interface for the device interface %08x\n",(int)result); break; } //kr = (*interface)->USBInterfaceClose(interface); kr = (*interface)->USBInterfaceOpen(interface); if(kr != kIOReturnSuccess) { NSLog(@"Unable to open interface for the device interface %08x\n", kr); (*interface)->USBInterfaceClose(interface); (void) (*interface)->Release(interface); interface = NULL; break; } kr = (*interface)->GetNumEndpoints(interface, &interfaceNumEndpoints); if(kr != kIOReturnSuccess) { (void) (*interface)->USBInterfaceClose(interface); (void) (*interface)->Release(interface); interface = NULL; break; } for(pipeRef = 1; pipeRef <= interfaceNumEndpoints; pipeRef++) { IOReturn kr2; UInt8 direction; UInt8 number; UInt8 transferType; UInt8 interval; kr2 = (*interface)->GetPipeProperties(interface, pipeRef, &direction,&number, &transferType, &maxPacketSize, &interval); if(kr2 != kIOReturnSuccess) { NSLog(@"Unable to get properties of pipe %d (%08x)\n",pipeRef, kr2); } else { if(transferType == kUSBBulk) { if(direction == kUSBIn) { pipeIn = pipeRef; maxPacketSizeIn = maxPacketSize; } else if(direction == kUSBOut) { pipeOut = pipeRef; maxPacketSizeOut = maxPacketSize; } } } } if (pipeIn != 0xff && pipeOut != 0xff) { usbObject.interface = interface; usbObject.pipeIn = pipeIn; usbObject.pipeOut = pipeOut; usbObject.maxPacketSizeIn = maxPacketSizeIn; usbObject.maxPacketSizeOut = maxPacketSizeOut; BOOL isIn = NO; for (DeviceObject* obj in arrayDevices) { if (obj.locationID == usbObject.locationID) { isIn = YES; break ; } } if (!isIn) { [arrayDevices addObject:usbObject]; } if ([delegate respondsToSelector:@selector(usbDidPlunIn:)]) { [delegate usbDidPlunIn:usbObject]; } return kIOReturnSuccess; } (*interface)->USBInterfaceClose(interface); (*interface)->Release(interface); interface = NULL; } return kr;}- (DeviceObject*)getObjectByID:(long)localid { for (DeviceObject* obj in arrayDevices) { if (obj.locationID == localid) { return obj; } } return nil;}//同步-(IOReturn)WriteSync:(DeviceObject*)pDev buffer:(char*) writeBuffer size:(unsigned int)size{ if (pDev && pDev.interface) { if(size <= pDev.maxPacketSizeOut) { return [self WriteAsync:pDev buffer:writeBuffer size:size]; } kern_return_t kr = 0; char *tmp = writeBuffer; unsigned int nWrite = (size > pDev.maxPacketSizeOut ? pDev.maxPacketSizeOut : size); unsigned int nLeft = size; while(1) { if((int)nLeft <= 0) { break; } kr = (*(pDev.interface))->WritePipe(pDev.interface,pDev.pipeOut, (void *)tmp, nWrite); if(kr != kIOReturnSuccess) break; tmp += nWrite; nLeft -= nWrite; nWrite = (nLeft > pDev.maxPacketSizeOut ? pDev.maxPacketSizeOut : nLeft); } return kr; } return kIOReturnNoDevice;}//异步-(IOReturn)WriteAsync:(DeviceObject*)pDev buffer:(char*)writeBuffer size:(unsigned int)size { if (pDev == nil||pDev.interface == nil) { return kIOReturnNoDevice; } IOReturn err; CFRunLoopSourceRef cfSource; unsigned int* pWrite; err = (*(pDev.interface))->CreateInterfaceAsyncEventSource(pDev.interface, &cfSource); if (err) { NSLog(@"transferData: unable to create event source, err = %08x\n", err); return err; } CFRunLoopAddSource(CFRunLoopGetCurrent(), cfSource, kCFRunLoopDefaultMode); err = (*(pDev.interface))->WritePipeAsync(pDev.interface, pDev.pipeOut, (void *)writeBuffer, size, (IOAsyncCallback1)usbMonitorCallBack, (void*)pWrite); if (err != kIOReturnSuccess) { NSLog(@"transferData: WritePipeAsyncFailed, err = %08x\n", err); CFRunLoopRemoveSource(CFRunLoopGetCurrent(), cfSource, kCFRunLoopDefaultMode); *pWrite = 0; return err; } CFRunLoopRun(); CFRunLoopRemoveSource(CFRunLoopGetCurrent(), cfSource, kCFRunLoopDefaultMode); return err;}-(IOReturn)ReadSync:(DeviceObject*)pDev buffer:(char*)buff size:(unsigned int)size { if (pDev && pDev.interface) { if(sizeof(buff) <= pDev.maxPacketSizeIn) { return [self ReadAsync:pDev buffer:buff size:size]; } kern_return_t kr = 0; UInt32 nRead = pDev.maxPacketSizeIn; unsigned int nLeft = size; char *tmp = (char *)buff; while(1) { if((int)nLeft <= 0) break; kr = (*(pDev.interface))->ReadPipe(pDev.interface, pDev.pipeIn, (void *)tmp, &nRead); if(kr != kIOReturnSuccess) { printf("transferData: Readsync Failed, err = %08x\n", kr); break; } tmp += nRead; nLeft -= nRead; nRead = pDev.maxPacketSizeIn; } int nRet = ((int)nLeft > 0 ? nLeft : 0); size = size - nRet; return kr; } return kIOReturnNoDevice;}-(IOReturn)ReadAsync:(DeviceObject*)pDev buffer:(char*)buff size:(unsigned int)size { if (pDev == nil||pDev.interface == nil) { return kIOReturnNoDevice; } IOReturn err; CFRunLoopSourceRef cfSource; unsigned int* pRead; err = (*(pDev.interface))->CreateInterfaceAsyncEventSource(pDev.interface, &cfSource); if (err) { NSLog(@"transferData: unable to create event source, err = %08x\n", err); return err; } CFRunLoopAddSource(CFRunLoopGetCurrent(), cfSource, kCFRunLoopDefaultMode); err = (*(pDev.interface))->ReadPipeAsync(pDev.interface, pDev.pipeIn, buff, size,(IOAsyncCallback1)usbMonitorCallBack, (void*)pRead); if (err != kIOReturnSuccess) { NSLog(@"transferData: size %u, ReadAsyncFailed, err = %08x\n", size, err); CFRunLoopRemoveSource(CFRunLoopGetCurrent(), cfSource, kCFRunLoopDefaultMode); pRead = nil; pDev = nil; return err; } CFRunLoopRun(); CFRunLoopRemoveSource(CFRunLoopGetCurrent(), cfSource, kCFRunLoopDefaultMode); return err;}- (NSMutableArray*)getDeviceArray { return arrayDevices;}@end 2 0
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