private IPwmDevice GetRealDevice()
{
PwmFrequency = new Frequency(60);
DeviceAddress = 0x40;
try
{
Log.Info("Creating pins");
var sdaPin = SdaPin.ToProcessor();
var sclPin = SclPin.ToProcessor();
Log.Info("Creating i2cDriver");
_i2cDriver = new I2cDriver(sdaPin, sclPin);
}
catch (Exception e)
{
Log.Error("Failed to initialise i2c driver. Did you forget sudo?", e);
}
Log.Info("Creating real device...");
var device = new Pca9685Connection(_i2cDriver.Connect(DeviceAddress));
Log.Info("Setting frequency...");
device.SetPwmUpdateRate(PwmFrequency); // # Set frequency to 60 Hz
IsConnected = true;
return device;
}
static void Main(string[] args)
{
var options = ParseOptions(args);
if (options == null)
return;
log.Info("-=Pca9685 Sample=-");
log.Info(m => m("Running {0}", Environment.OSVersion));
log.Info("Options:" + Environment.NewLine + options);
var pulse = CalculatePulse(options.PwmFrequency, 50);
log.Info(m => m("Pulse={0}", pulse));
if (Environment.OSVersion.Platform != PlatformID.Unix)
{
log.Warn("Windows detected. Exiting");
return;
}
log.Info("Connecting...");
try
{
using (var driver = new I2cDriver(options.SdaPin.ToProcessor(), options.SclPin.ToProcessor()))
{
log.Info("Creating device...");
var device = new Pca9685Connection(driver.Connect(options.DeviceAddress));
log.Info("Setting frequency...");
device.SetPwmUpdateRate(options.PwmFrequency);
while (!Console.KeyAvailable)
{
log.Info(m => m("Set channel={0} to {1}", options.Channel, options.PwmOn));
device.SetPwm(options.Channel, 0, options.PwmOn);
Thread.Sleep(1000);
log.Info(m => m("Set channel={0} to {1}", options.Channel, options.PwmOff));
device.SetPwm(options.Channel, 0, options.PwmOff);
Thread.Sleep(1000);
}
log.Info("Key pressed. Exiting.");
}
}
catch (InvalidOperationException e)
{
log.Error("Failed to connect? Do you have a Pca9685 IC attached to the i2c line and powered on?", e);
}
}
