public override async Task <int> Run()
{
try {
await YAPI.RegisterHub(HubURL);
YPwmInput pwm;
YPwmInput pwm1 = null;
YPwmInput pwm2 = null;
YModule m = null;
if (Target.ToLower() == "any")
{
// retreive any pwm input available
pwm = YPwmInput.FirstPwmInput();
if (pwm == null)
{
WriteLine("No module connected");
return(-1);
}
}
else
{
// retreive the first pwm input from the device given on command line
pwm = YPwmInput.FindPwmInput(Target + ".pwmInput1");
}
// we need to retreive both channels from the device.
if (await pwm.isOnline())
{
m = await pwm.get_module();
pwm1 = YPwmInput.FindPwmInput(await m.get_serialNumber() + ".pwmInput1");
pwm2 = YPwmInput.FindPwmInput(await m.get_serialNumber() + ".pwmInput2");
}
while (await m.isOnline())
{
WriteLine("PWM1: " + await pwm1.get_frequency() + " Hz " + await
pwm1.get_dutyCycle() +
" % " + await pwm1.get_pulseCounter() + " pulse edges ");
WriteLine("PWM2: " + await pwm2.get_frequency() + " Hz " + await
pwm2.get_dutyCycle() +
" % " + await pwm2.get_pulseCounter() + " pulse edges ");
await YAPI.Sleep(1000);
}
WriteLine("Module not connected (check identification and USB cable)");
} catch (YAPI_Exception ex) {
WriteLine("error: " + ex.Message);
}
YAPI.FreeAPI();
return(0);
}
/**
* <summary>
* Returns the PWM duty cycle, in per cents.
* <para>
* </para>
* <para>
* </para>
* </summary>
* <returns>
* a floating point number corresponding to the PWM duty cycle, in per cents
* </returns>
* <para>
* On failure, throws an exception or returns <c>YPwmInput.DUTYCYCLE_INVALID</c>.
* </para>
*/
public double get_dutyCycle()
{
double res;
if (_func == null)
{
throw new YoctoApiProxyException("No PwmInput connected");
}
res = _func.get_dutyCycle();
if (res == YAPI.INVALID_DOUBLE)
{
res = Double.NaN;
}
return(res);
}
static void Main(string[] args)
{
string errmsg = "";
string target;
YPwmInput pwm;
YPwmInput pwm1 = null;
YPwmInput pwm2 = null;
YModule m = null;
if (args.Length < 1)
{
usage();
}
target = args[0].ToUpper();
// Setup the API to use local USB devices
if (YAPI.RegisterHub("usb", ref errmsg) != YAPI.SUCCESS)
{
Console.WriteLine("RegisterHub error: " + errmsg);
Environment.Exit(0);
}
if (target == "ANY")
{
// retreive any pwm input available
pwm = YPwmInput.FirstPwmInput();
if (pwm == null)
{
die("No module connected");
}
}
else
{
// retreive the first pwm input from the device given on command line
pwm = YPwmInput.FindPwmInput(target + ".pwmInput1");
}
// we need to retreive both channels from the device.
if (pwm.isOnline())
{
m = pwm.get_module();
pwm1 = YPwmInput.FindPwmInput(m.get_serialNumber() + ".pwmInput1");
pwm2 = YPwmInput.FindPwmInput(m.get_serialNumber() + ".pwmInput2");
}
else
{
die("Module not connected");
}
while (m.isOnline())
{
Console.WriteLine("PWM1: " + pwm1.get_frequency().ToString() + " Hz "
+ pwm1.get_dutyCycle().ToString() + " % "
+ pwm1.get_pulseCounter().ToString() + " pulse edges ");
Console.WriteLine("PWM2: " + pwm2.get_frequency().ToString() + " Hz "
+ pwm2.get_dutyCycle().ToString() + " % "
+ pwm2.get_pulseCounter().ToString() + " pulse edges ");
Console.WriteLine(" (press Ctrl-C to exit)");
YAPI.Sleep(1000, ref errmsg);
}
YAPI.FreeAPI();
die("Module not connected");
}