1 /* 2 * Copyright 2008-2011, Michael Lotz <mmlr@mlotz.ch> 3 * Distributed under the terms of the MIT license. 4 */ 5 #ifndef USB_HID_DEVICE_H 6 #define USB_HID_DEVICE_H 7 8 9 #include "HIDParser.h" 10 11 #include <USB3.h> 12 13 14 class ProtocolHandler; 15 16 17 class HIDDevice { 18 public: 19 HIDDevice(usb_device device, 20 const usb_configuration_info *config, 21 size_t interfaceIndex, int32 quirkyIndex); 22 ~HIDDevice(); 23 24 void SetParentCookie(int32 cookie); 25 int32 ParentCookie() const { return fParentCookie; } 26 27 status_t InitCheck() const { return fStatus; } 28 29 bool IsOpen() const { return fOpenCount > 0; } 30 status_t Open(ProtocolHandler *handler, uint32 flags); 31 status_t Close(ProtocolHandler *handler); 32 int32 OpenCount() const { return fOpenCount; } 33 34 void Removed(); 35 bool IsRemoved() const { return fRemoved; } 36 37 status_t MaybeScheduleTransfer(HIDReport*); 38 39 status_t SendReport(HIDReport *report); 40 41 HIDParser & Parser() { return fParser; } 42 ProtocolHandler * ProtocolHandlerAt(uint32 index) const; 43 44 // only to be used for the kernel debugger information 45 usb_pipe InterruptPipe() const { return fInterruptPipe; } 46 47 private: 48 static void _TransferCallback(void *cookie, 49 status_t status, void *data, 50 size_t actualLength); 51 static void _UnstallCallback(void *cookie, 52 status_t status, void *data, 53 size_t actualLength); 54 55 private: 56 status_t fStatus; 57 usb_device fDevice; 58 usb_pipe fInterruptPipe; 59 size_t fInterfaceIndex; 60 uint8 fEndpointAddress; 61 62 int32 fTransferScheduled; 63 size_t fTransferBufferSize; 64 uint8 * fTransferBuffer; 65 66 int32 fParentCookie; 67 int32 fOpenCount; 68 bool fRemoved; 69 70 HIDParser fParser; 71 72 uint32 fProtocolHandlerCount; 73 ProtocolHandler * fProtocolHandlerList; 74 }; 75 76 77 #endif // USB_HID_DEVICE_H 78