// link the instance to a real YoctoAPI object
internal override void linkToHardware(string hwdName)
{
YDigitalIO hwd = YDigitalIO.FindDigitalIO(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(YDigitalIO hwd)
{
if (hwd == null)
{
return;
}
base.init(hwd);
InternalStuff.log("registering DigitalIO callback");
_func.registerValueCallback(valueChangeCallback);
}
public static YDigitalIOProxy FindDigitalIO(string name)
{
// cases to handle:
// name ="" no matching unknwn
// name ="" unknown exists
// name != "" no matching unknown
// name !="" unknown exists
YDigitalIO func = null;
YDigitalIOProxy res = (YDigitalIOProxy)YFunctionProxy.FindSimilarUnknownFunction("YDigitalIOProxy");
if (name == "")
{
if (res != null)
{
return(res);
}
res = (YDigitalIOProxy)YFunctionProxy.FindSimilarKnownFunction("YDigitalIOProxy");
if (res != null)
{
return(res);
}
func = YDigitalIO.FirstDigitalIO();
if (func != null)
{
name = func.get_hardwareId();
if (func.get_userData() != null)
{
return((YDigitalIOProxy)func.get_userData());
}
}
}
else
{
func = YDigitalIO.FindDigitalIO(name);
if (func.get_userData() != null)
{
return((YDigitalIOProxy)func.get_userData());
}
}
if (res == null)
{
res = new YDigitalIOProxy(func, name);
}
if (func != null)
{
res.linkToHardware(name);
if (func.isOnline())
{
res.arrival();
}
}
return(res);
}
/**
* <summary>
* Enumerates all functions of type DigitalIO 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>YDigitalIO.FindDigitalIO</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>();
YDigitalIO it = YDigitalIO.FirstDigitalIO();
while (it != null)
{
res.Add(it.get_hardwareId());
it = it.nextDigitalIO();
}
return(res.ToArray());
}
/**
* <summary>
* Retrieves a digital IO port 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 IO port is online at the time
* it is invoked. The returned object is nevertheless valid.
* Use the method <c>YDigitalIO.isOnline()</c> to test if the digital IO port is
* indeed online at a given time. In case of ambiguity when looking for
* a digital IO port 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>
* </summary>
* <param name="func">
* a string that uniquely characterizes the digital IO port
* </param>
* <returns>
* a <c>YDigitalIO</c> object allowing you to drive the digital IO port.
* </returns>
*/
public static YDigitalIO FindDigitalIO(string func)
{
YDigitalIO obj;
obj = (YDigitalIO)YFunction._FindFromCache("DigitalIO", func);
if (obj == null)
{
obj = new YDigitalIO(func);
YFunction._AddToCache("DigitalIO", func, obj);
}
return(obj);
}
/**
* <summary>
* Retrieves a digital IO port 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 IO port is online at the time
* it is invoked. The returned object is nevertheless valid.
* Use the method <c>YDigitalIO.isOnline()</c> to test if the digital IO port is
* indeed online at a given time. In case of ambiguity when looking for
* a digital IO port 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>
* </summary>
* <param name="func">
* a string that uniquely characterizes the digital IO port
* </param>
* <returns>
* a <c>YDigitalIO</c> object allowing you to drive the digital IO port.
* </returns>
*/
public static YDigitalIO FindDigitalIO(string func)
{
YDigitalIO obj;
obj = (YDigitalIO) YFunction._FindFromCache("DigitalIO", func);
if (obj == null) {
obj = new YDigitalIO(func);
YFunction._AddToCache("DigitalIO", func, obj);
}
return obj;
}
static void Main(string[] args)
{
string errmsg = "";
string target;
YDigitalIO io;
if (args.Length < 1)
{
usage();
}
target = args[0].ToUpper();
if (YAPI.RegisterHub("usb", ref errmsg) != YAPI.SUCCESS)
{
Console.WriteLine("RegisterHub error: " + errmsg);
Environment.Exit(0);
}
if (target == "ANY")
{
io = YDigitalIO.FirstDigitalIO();
if (io == null)
{
Console.WriteLine("No module connected (check USB cable) ");
Environment.Exit(0);
}
}
else
{
io = YDigitalIO.FindDigitalIO(target + ".digitalIO");
}
// lets configure the channels direction
// bits 0 and 1 as output
// bits 2 and 3 as input
io.set_portDirection(0x03);
io.set_portPolarity(0); // polarity set to regular
io.set_portOpenDrain(0); // No open drain
Console.WriteLine("Channels 0..1 are configured as outputs and channels 2..3");
Console.WriteLine("are configred as inputs, you can connect some inputs to");
Console.WriteLine("ouputs and see what happens");
int outputdata = 0;
while (io.isOnline())
{
int inputdata = io.get_portState(); // read port values
string line = ""; // display port value as binary
for (int i = 0; i < 4; i++)
{
if ((inputdata & (8 >> i)) > 0)
{
line = line + '1';
}
else
{
line = line + '0';
}
}
Console.WriteLine("port value = " + line);
outputdata = (outputdata + 1) % 4; // cycle ouput 0..3
io.set_portState(outputdata); // We could have used set_bitState as well
YAPI.Sleep(1000, ref errmsg);
}
YAPI.FreeAPI();
}
// 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 = (YDigitalIO)hwd;
base.base_init(hwd, instantiationName);
}
//--- (end of YDigitalIO definitions)
//--- (YDigitalIO implementation)
internal YDigitalIOProxy(YDigitalIO hwd, string instantiationName) : base(hwd, instantiationName)
{
InternalStuff.log("DigitalIO " + instantiationName + " instantiation");
base_init(hwd, instantiationName);
}
public override async Task <int> Run()
{
try {
await YAPI.RegisterHub(HubURL);
YDigitalIO io;
if (Target.ToLower() == "any")
{
io = YDigitalIO.FirstDigitalIO();
if (io == null)
{
WriteLine("No module connected (check USB cable) ");
return(-1);
}
}
else
{
io = YDigitalIO.FindDigitalIO(Target + ".digitalIO");
}
// lets configure the channels direction
// bits 0..3 as output
// bits 4..7 as input
await io.set_portDirection(0x0F);
await io.set_portPolarity(0); // polarity set to regular
await io.set_portOpenDrain(0); // No open drain
WriteLine("Channels 0..3 are configured as outputs and channels 4..7");
WriteLine("are configred as inputs, you can connect some inputs to");
WriteLine("ouputs and see what happens");
int outputdata = 0;
while (await io.isOnline())
{
int inputdata = await io.get_portState(); // read port values
string line = ""; // display port value as binary
for (int i = 0; i < 8; i++)
{
if ((inputdata & (128 >> i)) > 0)
{
line = line + '1';
}
else
{
line = line + '0';
}
}
WriteLine("port value = " + line);
// cycle ouput 0..15
outputdata = (outputdata + 1) % 16;
// We could have used set_bitState as well
await io.set_portState(outputdata);
await YAPI.Sleep(1000);
}
} catch (YAPI_Exception ex) {
WriteLine("error: " + ex.Message);
}
YAPI.FreeAPI();
return(0);
}
