private async Task I2cConnect(int panel)
{
try {
var settings = new I2cConnectionSettings(I2CAddress[panel]);
settings.BusSpeed = I2cBusSpeed.FastMode;
// If the system is using the Lightning memory mapped driver ther use the Lightning I2CProvider
if (LightningProvider.IsLightningEnabled)
{
//LowLevelDevicesController.DefaultProvider = LightningProvider.GetAggregateProvider();
var i2cControllers = await I2cController.GetControllersAsync(LightningI2cProvider.GetI2cProvider());
i2cDevice[panel] = i2cControllers[0].GetDevice(settings);
}
else
{
// Otherwise, if the inbox provider will continue to be the default
string aqs = I2cDevice.GetDeviceSelector(); /* Find the selector string for the I2C bus controller */
var dis = (await DeviceInformation.FindAllAsync(aqs)).ToArray(); /* Find the I2C bus controller device with our selector string */
i2cDevice[panel] = await I2cDevice.FromIdAsync(dis[0].Id, settings); /* Create an I2cDevice with our selected bus controller and I2C settings */
}
}
catch (Exception e) {
throw new Exception("ht16k33 initisation problem: " + e.Message);
}
}
private async void Init()
{
// The code below should work the same with any provider, including Lightning and the default one.
//I2cController controller = await I2cController.GetDefaultAsync();
I2cController controller = (await I2cController.GetControllersAsync(LightningI2cProvider.GetI2cProvider()))[0];
sensor = controller.GetDevice(new I2cConnectionSettings(0x90 >> 1));
}
/**
* Start I2C Communication
**/
public async void startI2C(byte deviceAddress, string controllerName)
{
try
{
I2cConnectionSettings i2cSettings = new I2cConnectionSettings(deviceAddress);
i2cSettings.BusSpeed = I2cBusSpeed.FastMode;
string deviceSelector = I2cDevice.GetDeviceSelector(controllerName);
var i2cDeviceControllers = await DeviceInformation.FindAllAsync(deviceSelector);
//this._i2cPortExpander = await I2cDevice.FromIdAsync(i2cDeviceControllers[0].Id, i2cSettings);
//Changed to use Lightning Provider
I2cController controller = (await I2cController.GetControllersAsync(LightningI2cProvider.GetI2cProvider()))[0];
this._i2cPortExpander = controller.GetDevice(i2cSettings);
//this._i2cPortExpander = controller.GetDevice(new I2cConnectionSettings(0x90 >> 1));
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine("Exception: {0}", e.Message);
return;
}
}
/// <summary>
/// Configures the <see cref="LightningProvider"/> when enabled.
/// </summary>
/// <remarks>
/// Not thread safe, must be called in a thread safe context.
/// </remarks>
public static void Initialize()
{
// Do nothing when already configured
if (_initialized)
{
return;
}
lock (_lock)
{
// Thread-safe double-check lock
if (_initialized)
{
return;
}
// Set the Lightning Provider as the default if Lightning driver is enabled on the target device
_lightningEnabled = LightningProvider.IsLightningEnabled;
if (_lightningEnabled)
{
LowLevelDevicesController.DefaultProvider = LightningProvider.GetAggregateProvider();
// Add multiple controllers from new lightning provider
Gpio = GpioController.GetControllersAsync(LightningGpioProvider.GetGpioProvider()).AsTask().GetAwaiter().GetResult();
I2c = I2cController.GetControllersAsync(LightningI2cProvider.GetI2cProvider()).AsTask().GetAwaiter().GetResult();
Spi = SpiController.GetControllersAsync(LightningSpiProvider.GetSpiProvider()).AsTask().GetAwaiter().GetResult();
}
else
{
// Add single instance providers from old inbox driver
Gpio = new ReadOnlyCollection <GpioController>(new[] { GpioController.GetDefault() });
I2c = new ReadOnlyCollection <I2cController>(new[] { I2cController.GetDefaultAsync().AsTask().GetAwaiter().GetResult() });
Spi = new ReadOnlyCollection <SpiController>(new[] { SpiController.GetDefaultAsync().AsTask().GetAwaiter().GetResult() });
}
// Flag initialized
_initialized = true;
}
}
public async Task <bool> Init(bool useLightning)
{
// Set the I2C address and speed
var settings = new I2cConnectionSettings(I2C_ID_SERVO_USM);
settings.BusSpeed = I2cBusSpeed.StandardMode;
if (useLightning && LightningProvider.IsLightningEnabled)
{
I2cController controller = (await I2cController.GetControllersAsync(LightningI2cProvider.GetI2cProvider()))[0];
ubI2C = controller.GetDevice(settings);
}
else
{
// Try to find the UltraBorg on the I2C bus
string aqs = I2cDevice.GetDeviceSelector();
var dis = await DeviceInformation.FindAllAsync(aqs);
ubI2C = await I2cDevice.FromIdAsync(dis[0].Id, settings);
}
return(ubI2C != null);
}
const string I2C_CONTROLLER_NAME = "I2C1"; // For Raspberry Pi 2, use I2C1
public I2cDevice GetI2cDevice(byte address)
{
// Check if Lightning is enabled and set the Lightning provider as the default provider
if (Microsoft.IoT.Lightning.Providers.LightningProvider.IsLightningEnabled)
{
Windows.Devices.LowLevelDevicesController.DefaultProvider =
Microsoft.IoT.Lightning.Providers.LightningProvider.GetAggregateProvider();
var i2CProvider = LightningI2cProvider.GetI2cProvider();
var i2CControllers = I2cController.GetControllersAsync(i2CProvider).AsTask().Result;
var i2CController = i2CControllers[0];
var i2CDevice = i2CController.GetDevice(new I2cConnectionSettings(address));
if (i2CDevice != null)
{
i2CDevice.ConnectionSettings.BusSpeed = I2cBusSpeed.FastMode;
return(i2CDevice);
}
throw new InvalidOperationException("No I2C controllers were found on the system");
}
string aqs = I2cDevice.GetDeviceSelector(I2C_CONTROLLER_NAME); /* Get a selector string that will return all I2C controllers on the system */
var deviceInformation = DeviceInformation.FindAllAsync(aqs).AsTask().Result; /* Find the I2C bus controller device with our selector string */
if (deviceInformation.Count == 0)
{
throw new InvalidOperationException("No I2C controllers were found on the system");
}
var settings = new I2cConnectionSettings(address);
settings.BusSpeed = I2cBusSpeed.FastMode;
var count = deviceInformation.Count;
var devAdd = deviceInformation[0];
return(I2cDevice.FromIdAsync(devAdd.Id, settings).AsTask().Result); /* Create an I2cDevice with our selected bus controller and I2C settings */
}
public async Task <bool> Initialize()
{
try
{
//Instantiate the I2CConnectionSettings using the device address of the BMP280
I2cConnectionSettings settings = new I2cConnectionSettings(deviceAddress);
//Set the I2C bus speed of connection to fast mode
settings.BusSpeed = I2cBusSpeed.FastMode;
if (LightningProvider.IsLightningEnabled)
{
I2cController controller = (await I2cController.GetControllersAsync(LightningI2cProvider.GetI2cProvider()))[0];
//I2cDevice sensor = controller.GetDevice(new I2cConnectionSettings(0x40));
compass = controller.GetDevice(settings);
}
else
{
//Use the I2CBus device selector to create an advanced query syntax string
string aqs = I2cDevice.GetDeviceSelector(I2CControllerName);
//Use the Windows.Devices.Enumeration.DeviceInformation class to create a collection using the advanced query syntax string
DeviceInformationCollection dis = await DeviceInformation.FindAllAsync(aqs);
//Instantiate the the BMP280 I2C device using the device id of the I2CBus and the I2CConnectionSettings
compass = await I2cDevice.FromIdAsync(dis[0].Id, settings);
}
//Check if device was found
if (compass == null)
{
return(false);
}
}
catch (Exception e)
{
Debug.WriteLine("Exception: " + e.Message + "\n" + e.StackTrace);
}
return(CheckId());
}
/* Initialize GPIO, I2C, and the display
* The device may not respond to multiple Init calls without being power cycled
* so we allow an optional boolean to excuse failures which is useful while debugging
* without power cycling the display */
public async Task <bool> Init(int DeviceAddress)
{
Debug.WriteLine("SSD1306::Initialize");
try
{
if (LightningProvider.IsLightningEnabled)
{
LowLevelDevicesController.DefaultProvider = LightningProvider.GetAggregateProvider();
I2cController controller = (await I2cController.GetControllersAsync(LightningI2cProvider.GetI2cProvider()))[0];
I2cConnectionSettings settings = new I2cConnectionSettings(DeviceAddress);
// settings.SharingMode = I2cSharingMode.Shared;
displayI2c = controller.GetDevice(settings);
}
else
{
//Instantiate the I2CConnectionSettings using the device address
I2cConnectionSettings settings = new I2cConnectionSettings(DeviceAddress);
//Set the I2C bus speed of connection to fast mode
// settings.BusSpeed = I2cBusSpeed.FastMode;
//Use the I2CBus device selector to create an advanced query syntax string
string aqs = I2cDevice.GetDeviceSelector(I2CControllerName);
//Use the Windows.Devices.Enumeration.DeviceInformation class to create a collection using the advanced query syntax string
DeviceInformationCollection dis = await DeviceInformation.FindAllAsync(aqs);
//Instantiate the the I2C device using the device id of the I2CBus and the I2CConnectionSettings
displayI2c = await I2cDevice.FromIdAsync(dis[0].Id, settings);
}
//Check if device was found
if (displayI2c == null)
{
Debug.WriteLine("Device not found");
return(false);
}
else
{
return(true);
// return InitDisplay();
}
}
catch (Exception e)
{
Debug.WriteLine("Exception: " + e.Message + "\n" + e.StackTrace);
return(false);
// throw;
}
}
