// link the instance to a real YoctoAPI object internal override void linkToHardware(string hwdName) { YInputChain hwd = YInputChain.FindInputChain(hwdName); // first redo base_init to update all _func pointers base_init(hwd, hwdName); // then setup Yocto-API pointers and callbacks init(hwd); }
// perform the 2nd stage setup that requires YoctoAPI object protected void init(YInputChain hwd) { if (hwd == null) { return; } base.init(hwd); InternalStuff.log("registering InputChain callback"); _func.registerValueCallback(valueChangeCallback); }
public static YInputChainProxy FindInputChain(string name) { // cases to handle: // name ="" no matching unknwn // name ="" unknown exists // name != "" no matching unknown // name !="" unknown exists YInputChain func = null; YInputChainProxy res = (YInputChainProxy)YFunctionProxy.FindSimilarUnknownFunction("YInputChainProxy"); if (name == "") { if (res != null) { return(res); } res = (YInputChainProxy)YFunctionProxy.FindSimilarKnownFunction("YInputChainProxy"); if (res != null) { return(res); } func = YInputChain.FirstInputChain(); if (func != null) { name = func.get_hardwareId(); if (func.get_userData() != null) { return((YInputChainProxy)func.get_userData()); } } } else { func = YInputChain.FindInputChain(name); if (func.get_userData() != null) { return((YInputChainProxy)func.get_userData()); } } if (res == null) { res = new YInputChainProxy(func, name); } if (func != null) { res.linkToHardware(name); if (func.isOnline()) { res.arrival(); } } return(res); }
/** * <summary> * Enumerates all functions of type InputChain available on the devices * currently reachable by the library, and returns their unique hardware ID. * <para> * Each of these IDs can be provided as argument to the method * <c>YInputChain.FindInputChain</c> to obtain an object that can control the * corresponding device. * </para> * </summary> * <returns> * an array of strings, each string containing the unique hardwareId * of a device function currently connected. * </returns> */ public static new string[] GetSimilarFunctions() { List <string> res = new List <string>(); YInputChain it = YInputChain.FirstInputChain(); while (it != null) { res.Add(it.get_hardwareId()); it = it.nextInputChain(); } return(res.ToArray()); }
/** * <summary> * Retrieves a digital input chain for a given identifier. * <para> * The identifier can be specified using several formats: * </para> * <para> * </para> * <para> * - FunctionLogicalName * </para> * <para> * - ModuleSerialNumber.FunctionIdentifier * </para> * <para> * - ModuleSerialNumber.FunctionLogicalName * </para> * <para> * - ModuleLogicalName.FunctionIdentifier * </para> * <para> * - ModuleLogicalName.FunctionLogicalName * </para> * <para> * </para> * <para> * This function does not require that the digital input chain is online at the time * it is invoked. The returned object is nevertheless valid. * Use the method <c>YInputChain.isOnline()</c> to test if the digital input chain is * indeed online at a given time. In case of ambiguity when looking for * a digital input chain by logical name, no error is notified: the first instance * found is returned. The search is performed first by hardware name, * then by logical name. * </para> * <para> * If a call to this object's is_online() method returns FALSE although * you are certain that the matching device is plugged, make sure that you did * call registerHub() at application initialization time. * </para> * <para> * </para> * </summary> * <param name="func"> * a string that uniquely characterizes the digital input chain, for instance * <c>MyDevice.inputChain</c>. * </param> * <returns> * a <c>YInputChain</c> object allowing you to drive the digital input chain. * </returns> */ public static YInputChain FindInputChain(string func) { YInputChain obj; lock (YAPI.globalLock) { obj = (YInputChain)YFunction._FindFromCache("InputChain", func); if (obj == null) { obj = new YInputChain(func); YFunction._AddToCache("InputChain", func, obj); } } return(obj); }
// perform the initial setup that may be done without a YoctoAPI object (hwd can be null) internal override void base_init(YFunction hwd, string instantiationName) { _func = (YInputChain)hwd; base.base_init(hwd, instantiationName); }
//--- (end of YInputChain definitions) //--- (YInputChain implementation) internal YInputChainProxy(YInputChain hwd, string instantiationName) : base(hwd, instantiationName) { InternalStuff.log("InputChain " + instantiationName + " instantiation"); base_init(hwd, instantiationName); }
protected static void yInternalEventCallback(YInputChain inputChain, String value) { inputChain._internalEventHandler(value); }