private async Task init()
{
// ENSURE ITS DONE BEFORE PWM
// LowLevelDevicesController.DefaultProvider = LightningProvider.GetAggregateProvider();
// await PwmController.GetControllersAsyn DOES NOT WORK ON RPi3B+ in preview builds but works on other models
// var pwmControllers = await PwmController.GetControllersAsync(LightningPwmProvider.GetPwmProvider());
// HENCE USING PwmProviderManager
var pwmManager = new PwmProviderManager();
// Add providers
pwmManager.Providers.Add(new SoftPwm());
// Get the well-known controller collection back
var pwmControllers = await pwmManager.GetControllersAsync();
// Using the first PWM controller
this.pwmController = pwmControllers[0];
this.pwmController.SetDesiredFrequency(50);
this.panServo = this.pwmController.OpenPin(panMotorPin);
this.tiltServo = this.pwmController.OpenPin(TiltMotorPin);
this.panServo.SetActiveDutyCyclePercentage(this.RestingPulseLegnth);
this.panServo.Start();
this.tiltServo.SetActiveDutyCyclePercentage(this.RestingPulseLegnth);
this.tiltServo.Start();
var task = Task.Run(() =>
{
System.Threading.Tasks.Task.Delay(250).Wait();
this.tiltServo.Stop();
this.panServo.Stop();
});
}
private async void MainPage_Loaded(object sender, RoutedEventArgs e)
{
// Check presence of GPIO Controller
// Since this is UWP, this application runs on desktop, mobile, as well as embedded devices
// best to confirm we are running on an embedded device like R Pi
GpioController gpio = GpioController.GetDefault();
if (gpio == null)
{
Debug.WriteLine("This device does not have GPIO Controller.");
return;
}
var pwmManager = new PwmProviderManager();
pwmManager.Providers.Add(new SoftPwm());
var pwmContollers = await pwmManager.GetControllersAsync();
pwmController = pwmContollers[0];
pwmController.SetDesiredFrequency(50);
pwmPin = pwmController.OpenPin(servoPin);
pwmPin.Start();
timer = new DispatcherTimer
{
Interval = TimeSpan.FromSeconds(15)
};
timer.Tick += Timer_Tick;
timer.Start();
IsClockwise = false;
}
private async Task EnsureInitializedAsync()
{
if (_isInitialized)
{
return;
}
// Create PWM manager
var pwmManager = new PwmProviderManager();
// Add providers ~ pwmControllers
//var provider = new PCA9685Provider(_i2Caddr);
pwmManager.Providers.Add(new PCA9685());
// Get the well-known controller collection back
var pwmControllers = await pwmManager.GetControllersAsync();
_pwmController = pwmControllers.Last();
if (_frequency > _pwmController.MaxFrequency)
{
_frequency = _pwmController.MaxFrequency;
}
_pwmController.SetDesiredFrequency(_frequency);
_isInitialized = true;
}
private async void MainPage_Loaded(object sender, RoutedEventArgs e)
{
// Start GPIO
var gpioController = GpioController.GetDefault();
// Create PWM manager
var pwmManager = new PwmProviderManager();
// Add providers
pwmManager.Providers.Add(new SoftPwm());
// pwmManager.Providers.Add(new PCA9685());
// Get the well-known controller collection back
var pwmControllers = await pwmManager.GetControllersAsync();
// Using the first PWM controller
var controller = pwmControllers[0];
// Set desired frequency
controller.SetDesiredFrequency(60);
// Create light sensor
led = new RgbLed()
{
// SoftPwm
RedPin = controller.OpenPin(4),
GreenPin = controller.OpenPin(5),
BluePin = controller.OpenPin(6),
// PCA9685
//RedPin = controller.OpenPin(0),
//GreenPin = controller.OpenPin(1),
//BluePin = controller.OpenPin(2),
};
}
public async Task load()
{
try
{
switch (pwmselect.SelectedIndex)
{
case 1:
if (LightningProvider.IsLightningEnabled)
{
LowLevelDevicesController.DefaultProvider = LightningProvider.GetAggregateProvider();
var pwmControllers = await PwmController.GetControllersAsync(LightningPwmProvider.GetPwmProvider());
pwmController = pwmControllers[int.Parse(pwmidhd.Text)]; // use the on-device controller
pwmController.SetDesiredFrequency(double.Parse(frahz.Text));
//var _pin = pwmController.OpenPin(22);
//_pin.SetActiveDutyCyclePercentage(.25);
//_pin.Start();
}
else
{
await new MessageDialog("驱动程序不正常").ShowAsync();
}
break;
case 0:
{
var pwmManager = new PwmProviderManager();
pwmManager.Providers.Add(new SoftPwm());
var pwmControllers = await pwmManager.GetControllersAsync();
//use the first available PWM controller an set refresh rate (Hz)
pwmController = pwmControllers[0];
pwmController.SetDesiredFrequency(double.Parse(frahz.Text));
}
break;
default:
gpioController = await GpioController.GetDefaultAsync();
break;
}
pwmselect.IsEnabled = false;
}
catch (Exception err)
{
await new MessageDialog("初始化设备失败：" + err.ToString()).ShowAsync();
throw;
}
}
/// <summary>
/// This constructor is void, You must configure this class by this.SetupBasic()
/// </summary>
/// <summary>
/// Initialize of pwm (it must be used after constructor PwmBasic() )
/// </summary>
/// <param name="__pinNumber">Pin of RPi where this pwm must be work</param>
/// <param name="__frequency">Frequency of pwm (can change this param later)</param>
/// <returns></returns>
protected async Task SetupPwmCore(int __pinNumber, double __frequency)
{
var gpioController = GpioController.GetDefault();
var pwmManager = new PwmProviderManager();
pwmManager.Providers.Add(new SoftPwm());
var pwmControllers = await pwmManager.GetControllersAsync();
_pwmController = pwmControllers[0];
Frequency = __frequency;
_pwmController.SetDesiredFrequency(frequency);
_pwmPin = _pwmController.OpenPin(__pinNumber);
State = true;
}
public async void Setup(int _pinNumber, double _frequency)
{
var gpioController = GpioController.GetDefault();
var pwmManager = new PwmProviderManager();
pwmManager.Providers.Add(new SoftPwm());
var pwmControllers = await pwmManager.GetControllersAsync();
_pwmController = pwmControllers[0];
frequency = _frequency; //TODO; get; set;
_pwmController.SetDesiredFrequency(frequency);
_pwmPin = _pwmController.OpenPin(_pinNumber);
_pwmPin.Start();
}
async void InitPwm()
{
var gpio_controller = GpioController.GetDefault();
var manager = new PwmProviderManager();
manager.Providers.Add(new SoftPwm());
var controllers = await manager.GetControllersAsync();
_controller = controllers[0];
_controller.SetDesiredFrequency(120);
_led = new RgbLed
{
RedPin = _controller.OpenPin(PIN_R),
GreenPin = _controller.OpenPin(PIN_G),
BluePin = _controller.OpenPin(PIN_B),
Color = Colors.Black
};
}
