private async void InitI2CBerryIMU()
{
string aqs = I2cDevice.GetDeviceSelector(); // Get a selector string that will return all I2C controllers on the system
var dis = await DeviceInformation.FindAllAsync(aqs); // Find the I2C bus controller device with our selector string
if (dis.Count == 0)
{
DisplayText_Status.Text = "No I2C controllers were found on the system";
return;
}
// Specify I2C slave addresses for the Gyro and Accelerometer on BerryIMU.
// Note; the magenetormeter(compass) uses the same address as the accelerometer.
// We will use the ACC I2C settings to access both the accelerometer and the magnetometer.
var settingsGYR = new I2cConnectionSettings(berrryIMU.GYR_ADDRESS);
var settingsACC = new I2cConnectionSettings(berrryIMU.ACC_ADDRESS);
// Enable 400kHz I2C buss
settingsGYR.BusSpeed = I2cBusSpeed.FastMode;
settingsACC.BusSpeed = I2cBusSpeed.FastMode;
// Create an I2cDevices with our selected bus controller and I2C settings
I2CGYR = await I2cDevice.FromIdAsync(dis[0].Id, settingsGYR);
I2CACC = await I2cDevice.FromIdAsync(dis[0].Id, settingsACC);
// Enable the gyrscope
writeByteGYR(berrryIMU.CTRL_REG1_G, 0x0F); // Normal power mode, all axes enabled)
writeByteGYR(berrryIMU.CTRL_REG4_G, 0x30); // Continuos update, 2000 dps full scale
//Enable the accelerometer
writeByteACC(berrryIMU.CTRL_REG1_XM, 0x67); // z,y,x axis enabled, continuous update, 100Hz data rate
writeByteACC(berrryIMU.CTRL_REG2_XM, 0x20); // +/- 16G full scale
// Enable the magnetometer
writeByteMAG(berrryIMU.CTRL_REG5_XM, 0xF0); // Temp enable, M data rate = 50Hz
writeByteMAG(berrryIMU.CTRL_REG6_XM, 0x60); // +/-12gauss
writeByteMAG(berrryIMU.CTRL_REG7_XM, 0x0); // Continuous - conversion mode
// Now that everything is initialized, create a timer so we read data every DT
periodicTimer = new Timer(this.TimerCallback, null, 0, DT);
}
public ArduinoI2cDevice(ArduinoBoard board, ArduinoI2cBus bus, I2cConnectionSettings connectionSettings)
{
_board = board ?? throw new ArgumentNullException(nameof(board));
_bus = bus ?? throw new ArgumentNullException(nameof(bus));
if (connectionSettings == null)
{
throw new ArgumentNullException(nameof(connectionSettings));
}
if (connectionSettings.BusId != 0)
{
throw new NotSupportedException("Only I2C Bus 0 is supported");
}
if (connectionSettings.DeviceAddress > 127)
{
throw new NotSupportedException("The device address must be less than 128.");
}
ConnectionSettings = connectionSettings;
// Ensure the corresponding pins are set to I2C (not strictly necessary, but consistent)
foreach (SupportedPinConfiguration supportedPinConfiguration in _board.SupportedPinConfigurations.Where(x => x.PinModes.Contains(SupportedMode.I2c)))
{
_board.Firmata.SetPinMode(supportedPinConfiguration.Pin, SupportedMode.I2c);
}
_board.Firmata.SendI2cConfigCommand();
// Sometimes, the very first I2C command fails (nothing happens), so try reading a byte
int retries = 3;
while (retries-- > 0)
{
try
{
ReadByte();
break;
}
catch (Exception x) when(x is TimeoutException || x is IOException)
{
}
}
// If the above still failed, there's probably no device on the other end. But this shall not throw here but only if
// the client calls ReadByte.
}
private async void InitI2CAccel()
{
/* Initialize the I2C bus */
try {
var settings = new I2cConnectionSettings(ACCEL_I2C_ADDR);
settings.BusSpeed = I2cBusSpeed.FastMode;
string aqs = I2cDevice.GetDeviceSelector(I2C_CONTROLLER_NAME); /* Find the selector string for the I2C bus controller */
var dis = await DeviceInformation.FindAllAsync(aqs); /* Find the I2C bus controller device with our selector string */
I2CAccel = await I2cDevice.FromIdAsync(dis[0].Id, settings); /* Create an I2cDevice with our selected bus controller and I2C settings */
}
/* If initialization fails, display the exception and stop running */
catch (Exception e)
{
Text_Status.Text = "Exception: " + e.Message;
return;
}
/*
* Initialize the accelerometer:
*
* For this device, we create 2-byte write buffers:
* The first byte is the register address we want to write to.
* The second byte is the contents that we want to write to the register.
*/
byte[] WriteBuf_DataFormat = new byte[] { ACCEL_REG_DATA_FORMAT, 0x01 }; /* 0x01 sets range to +- 4Gs */
byte[] WriteBuf_PowerControl = new byte[] { ACCEL_REG_POWER_CONTROL, 0x08 }; /* 0x08 puts the accelerometer into measurement mode */
/* Write the register settings */
try
{
I2CAccel.Write(WriteBuf_DataFormat);
I2CAccel.Write(WriteBuf_PowerControl);
}
/* If the write fails display the error and stop running */
catch (Exception)
{
Text_Status.Text = "Status: Accelerometer initialization failed";
return;
}
/* Now that everything is initialized, create a timer so we read data every 100mS */
periodicTimer = new DispatcherTimer();
periodicTimer.Interval = TimeSpan.FromMilliseconds(100);
periodicTimer.Tick += Timer_Tick;
periodicTimer.Start();
}
private async void InitI2CHumtemp()
{
string aqs = I2cDevice.GetDeviceSelector(); // Get a selector string that will return all I2C controllers on the system
var dis = await DeviceInformation.FindAllAsync(aqs); // Find the I2C bus controller device with our selector string
if (dis.Count == 0)
{
Text_Status.Text = "No I2C controllers were found on the system";
return;
}
var settings = new I2cConnectionSettings(HUMTEMP_I2C_ADDR);
settings.BusSpeed = I2cBusSpeed.FastMode;
I2CHumtemp = await I2cDevice.FromIdAsync(dis[0].Id, settings); // Create an I2C Device with our selected bus controller and I2C settings
if (I2CHumtemp == null)
{
Text_Status.Text = string.Format(
"Slave address {0} on I2C Controller {1} is currently in use by " +
"another application. Please ensure that no other applications are using I2C.",
settings.SlaveAddress,
dis[0].Id);
return;
}
/*
* Initialize the Humidity and Temperature Sensor
* For this device, we create 1-byte write buffer
* The byte is the content that we want to write to
*/
byte[] WriteBuf_ComByte = new byte[] { 0x80 }; // 0x80 Ends Command Mode and transits to Normal Operation Mode
// Write the register settings
try
{
I2CHumtemp.Write(WriteBuf_ComByte);
}
// If the write fails display the error and stop running
catch (Exception ex)
{
Text_Status.Text = "Failed to communicate with device: " + ex.Message;
return;
}
// Create a timer to read data every 100ms
periodicTimer = new Timer(this.TimerCallback, null, 0, 100);
}
/// <summary>
/// Open a connection with the IO Pi
/// </summary>
/// <returns></returns>
public async Task Connect()
{
/* Initialize the I2C bus */
try
{
string aqs = I2cDevice.GetDeviceSelector(helper.I2C_CONTROLLER_NAME); /* Find the selector string for the I2C bus controller */
var dis = await DeviceInformation.FindAllAsync(aqs); /* Find the I2C bus controller device with our selector string */
var settings = new I2cConnectionSettings(Address);
settings.BusSpeed = I2cBusSpeed.FastMode;
i2cbus = await I2cDevice.FromIdAsync(dis[0].Id, settings); /* Create an I2cDevice with our selected bus controller and I2C settings */
if (i2cbus != null)
{
// i2c bus is connected so set up the initial configuration for the IO Pi
helper.WriteI2CByte(i2cbus, IOCON, config);
portaval = helper.ReadI2CByte(i2cbus, GPIOA);
portbval = helper.ReadI2CByte(i2cbus, GPIOB);
helper.WriteI2CByte(i2cbus, IODIRA, 0xFF);
helper.WriteI2CByte(i2cbus, IODIRB, 0xFF);
SetPortPullups(0, 0x00);
SetPortPullups(1, 0x00);
InvertPort(0, 0x00);
InvertPort(1, 0x00);
// Set IsConnected to true and fire the Connected event handler
IsConnected = true;
EventHandler handler = Connected;
if (handler != null)
{
handler(this, EventArgs.Empty);
}
}
else
{
IsConnected = false;
}
return;
}
/* If initialization fails, display the exception and stop running */
catch (Exception e)
{
IsConnected = false;
throw e;
}
}
public override bool Configure(string jsonDeviceConfiguration)
{
var config = DeserializeDeviceConfig <Bme680Configuration>(jsonDeviceConfiguration);
var i2CSettings = new I2cConnectionSettings(1, config.I2CAddress);
var i2CDevice = I2cDevice.Create(i2CSettings);
// TODO: probably requires try catch?! Check device availability
_bme680 = new Bme680(i2CDevice);
SetDefaultConfiguration();
SetPropertiesFromConfig(config);
SetHeaterProfilesFromConfig(config);
_measurementDuration = _bme680.GetMeasurementDuration(_bme680.HeaterProfile);
return(true);
}
public async Task InitializeAsync()
{
var settings = new I2cConnectionSettings(SLAVEADDRESS);
settings.BusSpeed = I2cBusSpeed.FastMode;
var controller = await I2cController.GetDefaultAsync();
this.sensor = controller.GetDevice(settings);
this.ConnectionState = ConnectionStates.Connecting;
this.OnStateChanged();
this.arduinoDataReadTimer.Tick += this.I2CReadTimer_Tick; // We will create an event handler
this.arduinoDataReadTimer.Interval = new TimeSpan(0, 0, 0, 0, 100); // Timer_Tick is executed every 500 milli second
this.arduinoDataReadTimer.Start();
}
/// <summary>
/// Creates an I2c device with the given connection settings.
/// </summary>
/// <param name="connectionSettings">I2c connection settings. Only Bus 0 is supported.</param>
/// <returns>An <see cref="I2cDevice"/> instance</returns>
/// <exception cref="NotSupportedException">The firmware reports that no pins are available for I2C. Check whether the I2C module is enabled in Firmata.
/// Or: An invalid Bus Id or device Id was specified</exception>
public virtual I2cDevice CreateI2cDevice(I2cConnectionSettings connectionSettings)
{
Initialize();
if (connectionSettings == null)
{
throw new ArgumentNullException(nameof(connectionSettings));
}
if (!SupportedPinConfigurations.Any(x => x.PinModes.Contains(SupportedMode.I2c)))
{
throw new NotSupportedException("No Pins with I2c support found. Is the I2c module loaded?");
}
return(new ArduinoI2cDevice(this, connectionSettings));
}
public static async Task <Si7021> Open()
{
var result = new Si7021();
var i2cSettings = new I2cConnectionSettings(I2C_ADDRESS);
var controller = await AsAsync(I2cController.GetDefaultAsync());
if (null == controller)
{
throw new ApplicationException("No I2C controller found on this machine.");
}
result.Device = controller.GetDevice(i2cSettings);
result.Initialize();
return(result);
}
public Accelerometer()
{
device = I2cDevice.FromId("I2C1", new I2cConnectionSettings(28)
{
BusSpeed = I2cBusSpeed.FastMode,
SharingMode = I2cSharingMode.Exclusive
});
I2cConnectionSettings i2cConnectionSetting = new I2cConnectionSettings(28)
{
SharingMode = I2cSharingMode.Shared,
BusSpeed = I2cBusSpeed.FastMode
};
this.WriteRegister(42, 1);
}
private async void InitializeTempPort()
{
string deviceQuery = I2cDevice.GetDeviceSelector("I2C1");
DeviceInformationCollection deviceCollection = await DeviceInformation.FindAllAsync(deviceQuery);
string deviceId = deviceCollection[0].Id;
I2cConnectionSettings settings = new I2cConnectionSettings(0x4d);
settings.BusSpeed = I2cBusSpeed.StandardMode;
settings.SharingMode = I2cSharingMode.Shared;
temperaturePort = await I2cDevice.FromIdAsync(deviceId, settings);
getTemperature();
}
/// <summary>
/// Initialize the device
/// </summary>
/// <returns></returns>
private async Task InitializeI2CAsync()
{
var settings = new I2cConnectionSettings(SparkFun_APDS9960.APDS9960_I2C_ADDR);
settings.BusSpeed = I2cBusSpeed.FastMode;
settings.SharingMode = I2cSharingMode.Shared;
var devices = await DeviceInformation.FindAllAsync(I2cDevice.GetDeviceSelector("I2C1"));
if (devices.Count == 0)
{
throw new Exception("SparkFun APDS-9960 device not found");
}
_i2CDevice = await I2cDevice.FromIdAsync(devices[0].Id, settings);
}
/// <summary>Executes the command.</summary>
/// <returns>The command's exit code.</returns>
/// <remarks>
/// NOTE: This test app uses the base class's <see cref="CreateI2cDevice"/> method to create a device.<br/>
/// Real-world usage would simply create an instance of an <see cref="I2cDevice"/> implementation:
/// <code>using (var i2c = new UnixI2cDevice(connectionSettings))</code>
/// </remarks>
public int Execute()
{
Console.WriteLine($"ByteCount={ByteCount}, BusId={BusId}, DeviceAddress={DeviceAddress}, Device={Device}");
var connectionSettings = new I2cConnectionSettings(BusId, DeviceAddress);
using (var i2c = CreateI2cDevice(connectionSettings))
{
// Read bytes of data
var buffer = new byte[ByteCount];
i2c.Read(buffer.AsSpan());
Console.WriteLine($"Bytes read:{Environment.NewLine}{BitConverter.ToString(buffer)}");
}
return(0);
}
async void Init(int address, Action onComplete)
{
var advancedQuerySyntaxString = I2cDevice.GetDeviceSelector();
var controllerDeviceIds = await DeviceInformation.FindAllAsync(advancedQuerySyntaxString);
I2cConnectionSettings connectionSettings = new I2cConnectionSettings(address);
connectionSettings.BusSpeed = I2cBusSpeed.StandardMode;
if (controllerDeviceIds.Count==0)
return;
_device = await I2cDevice.FromIdAsync(controllerDeviceIds[0].Id, connectionSettings);
_initComplete = true;
if (onComplete != null)
{
onComplete();
}
}
private void EnsureInitialized()
{
try
{
var i2cSettings = new I2cConnectionSettings(1, I2C_ADDRESS);
I2C = I2cDevice.Create(i2cSettings);
PowerUp();
SetTiming();
IsInitialised = true;
}
catch (Exception ex)
{
throw new Exception("I2C Initialization Failed", ex);
}
}
static void GetTempDHTxx()
{
I2cConnectionSettings settings = new I2cConnectionSettings(1, Dht10.DefaultI2cAddress);
I2cDevice device = I2cDevice.Create(settings);
using (Dht10 dht = new Dht10(device))
{
while (true)
{
Console.WriteLine(
$"Temperature: {dht.Temperature.Celsius.ToString("0.0")} °C, Humidity: {dht.Humidity.ToString("0.0")} %");
Thread.Sleep(2000);
}
}
}
public override bool Configure(string jsonDeviceConfiguration)
{
var config = DeserializeDeviceConfig <Si7021Configuration>(jsonDeviceConfiguration);
var i2CSettings = new I2cConnectionSettings(1, config.I2CAddress);
var i2CDevice = I2cDevice.Create(i2CSettings);
// TODO: probably requires try catch?! Check device availability
_si7021 = new Si7021(i2CDevice)
{
Heater = config.HeaterIsEnabled,
Resolution = config.Resolution
};
return(true);
}
public async Task InitRGBSensor()
{
var selector = I2cDevice.GetDeviceSelector();
var devices = await DeviceInformation.FindAllAsync(selector);
var settings = new I2cConnectionSettings(__TCS34725_ADDRESS);
sensor = await I2cDevice.FromIdAsync(devices[0].Id, settings);
// Make sure we are talking to a TCS34725
byte[] write_buffer = new byte[] { __TCS34725_ID | __TCS34725_COMMAND_BIT };
byte[] read_buffer = new byte[1];
sensor.WriteRead(write_buffer, read_buffer);
if (read_buffer[0] != 0x44)
{
throw new Exception("not connected to TCS34725");
}
// Send a few commands
byte[] command_buffer = new byte[2];
// Turn on
command_buffer[0] = __TCS34725_ENABLE | __TCS34725_COMMAND_BIT;
command_buffer[1] = __TCS34725_ENABLE_PON;
sensor.Write(command_buffer);
command_buffer[0] = __TCS34725_ENABLE | __TCS34725_COMMAND_BIT;
command_buffer[1] = __TCS34725_ENABLE_PON | __TCS34725_ENABLE_AEN;
sensor.Write(command_buffer);
// Integration Time
command_buffer[0] = __TCS34725_ATIME | __TCS34725_COMMAND_BIT;
command_buffer[1] = 0x00;
sensor.Write(command_buffer);
// Gain
command_buffer[0] = __TCS34725_CONTROL | __TCS34725_COMMAND_BIT;
command_buffer[1] = 0x01;
sensor.Write(command_buffer);
}
public async void Run(IBackgroundTaskInstance taskInstance)
{
m_Deferral = taskInstance.GetDeferral();
taskInstance.Canceled += TaskInstanceCanceled;
// initialize I2C
var i2cSettings = new I2cConnectionSettings(TSL2561.Address)
{
BusSpeed = I2cBusSpeed.FastMode,
SharingMode = I2cSharingMode.Shared,
};
var selector = I2cDevice.GetDeviceSelector(m_DeviceSelector);
var deviceInformation = await DeviceInformation.FindAllAsync(selector);
m_Device = await I2cDevice.FromIdAsync(deviceInformation[0].Id, i2cSettings);
// initialize sensor
m_Sensor = new TSL2561(m_Device);
m_Sensor.SetTiming(m_Gain, m_Timing);
m_Sensor.PowerUp();
// initialize MQTT
try
{
m_Client = new MqttClient(m_Host);
m_Client.Connect(m_ClientId);
}
catch (MqttConnectionException ex)
{
// ignore connection exception and retry to connect later
Debug.WriteLine("Cannot connect to MQTT broker: " + ex.Message);
m_Client = null;
}
var appService = taskInstance.TriggerDetails as AppServiceTriggerDetails;
if (appService != null && appService.Name == m_ServiceName)
{
m_AppServiceConnection = appService.AppServiceConnection;
m_AppServiceConnection.RequestReceived += OnRequestReceived;
}
m_Client.Publish(m_ServiceTopic, Encoding.UTF8.GetBytes(DateTime.Now.ToUniversalTime().ToString("O")), m_QoS, true);
// start timer
m_Timer = new Timer(LuxProvider, null, m_TimerDueTime, m_TimerInterval);
}
/// <summary>
/// Create a FT4222 I2C Device
/// </summary>
/// <param name="settings">I2C Connection Settings</param>
/// <param name="frequencyKbps">The speed of I2C transmission.</param>
public Ft4222I2cEx(I2cConnectionSettings settings, uint frequencyKbps = I2cMasterFrequencyKbps)
{
_settings = settings ?? throw new ArgumentNullException(nameof(settings));
FrequencyKbps = frequencyKbps;
// Check device
var devInfos = FtCommon.GetDevices();
if (devInfos.Count == 0)
{
throw new IOException("No FTDI device available");
}
// Select the one from bus Id
// FT4222 propose depending on the mode multiple interfaces. Only the A is available for I2C or where there is none as it's the only interface
var devInfo = devInfos.Where(m => m.Description == "FT4222 A" || m.Description == "FT4222").ToArray();
if ((devInfo.Length == 0) || (devInfo.Length < _settings.BusId))
{
throw new IOException($"Can't find a device to open I2C on index {_settings.BusId}");
}
DeviceInformation = devInfo[_settings.BusId];
// Open device
var ftStatus = FtFunction.FT_OpenEx(DeviceInformation.LocId, FtOpenType.OpenByLocation, out _ftHandle);
if (ftStatus != FtStatus.Ok)
{
throw new IOException($"Failed to open device {DeviceInformation.Description}, status: {ftStatus}");
}
// Set the clock
FtClockRate ft4222Clock = FtClockRate.Clock24MHz;
ftStatus = FtFunction.FT4222_SetClock(_ftHandle, ft4222Clock);
if (ftStatus != FtStatus.Ok)
{
throw new IOException($"Failed set clock rate {ft4222Clock} on device: {DeviceInformation.Description}, status: {ftStatus}");
}
// Set the device as I2C Master
ftStatus = FtFunction.FT4222_I2CMaster_Init(_ftHandle, frequencyKbps);
if (ftStatus != FtStatus.Ok)
{
throw new IOException($"Failed to initialize I2C Master mode on device: {DeviceInformation.Description}, status: {ftStatus}");
}
}
private static Mcp23xxx GetMcp23xxxDevice(Mcp23xxxDevice mcp23xxxDevice)
{
var i2cConnectionSettings = new I2cConnectionSettings(1, s_deviceAddress);
var i2cDevice = I2cDevice.Create(i2cConnectionSettings);
// I2C.
switch (mcp23xxxDevice)
{
case Mcp23xxxDevice.Mcp23008:
return(new Mcp23008(i2cDevice));
case Mcp23xxxDevice.Mcp23009:
return(new Mcp23009(i2cDevice));
case Mcp23xxxDevice.Mcp23017:
return(new Mcp23017(i2cDevice));
case Mcp23xxxDevice.Mcp23018:
return(new Mcp23018(i2cDevice));
}
var spiConnectionSettings = new SpiConnectionSettings(0, 0)
{
ClockFrequency = 1000000,
Mode = SpiMode.Mode0
};
var spiDevice = SpiDevice.Create(spiConnectionSettings);
// SPI.
switch (mcp23xxxDevice)
{
case Mcp23xxxDevice.Mcp23S08:
return(new Mcp23s08(spiDevice, s_deviceAddress));
case Mcp23xxxDevice.Mcp23S09:
return(new Mcp23s09(spiDevice));
case Mcp23xxxDevice.Mcp23S17:
return(new Mcp23s17(spiDevice, s_deviceAddress));
case Mcp23xxxDevice.Mcp23S18:
return(new Mcp23s18(spiDevice));
}
throw new Exception($"Invalid Mcp23xxxDevice: {nameof(mcp23xxxDevice)}");
}
public static void Main(string[] args)
{
var settings = new I2cConnectionSettings(0x00, 0x27);
using var device = new UnixI2cDevice(settings);
using var lcd = new Hd44780(new Size(20, 4), new I2C4Bit(device));
var name0 = File.ReadAllText("/sys/class/thermal/thermal_zone0/type").Substring(0, 3);
var name1 = File.ReadAllText("/sys/class/thermal/thermal_zone1/type").Substring(0, 3);
lcd.BacklightOn = true;
ShowSpecialSymbols(lcd);
for (var i = 0; i < 16 * 16; i++)
{
var temp0 = File.ReadAllText("/sys/class/thermal/thermal_zone0/temp");
var x0 = float.Parse(temp0);
var y0 = x0 * 9.0f / 5000.0f + 32.0f;
var msg0 = $"{name0}: {y0:F2}\xDF";
lcd.SetCursorPosition(0, 0);
lcd.Write(msg0);
var temp1 = File.ReadAllText("/sys/class/thermal/thermal_zone1/temp");
var x1 = float.Parse(temp1);
var y1 = x1 * 9.0f / 5000.0f + 32.0f;
var msg1 = $"{name1}: {y1:F2}\xDF";
lcd.SetCursorPosition(0, 1);
lcd.Write(msg1);
// Thread.Sleep(500);
ShowSpecialSymbols(lcd);
var build = new StringBuilder();
lcd.SetCursorPosition(0, 3);
for (var j = 0; j < 20; j++)
{
build.Append($"{(char)(16 * (i / 16) + j)}");
}
lcd.SetCursorPosition(0, 3);
lcd.Write(build.ToString());
}
lcd.BacklightOn = false;
lcd.Clear();
}
//public TemperatureSensors()
//{
// //InitSensors();
//}
//Initilizes the I2C connection and starts the timer to read I2C Data
public static async void InitSensors()
{
if (Device == null)
{
//Set up the I2C connection the Arduino
var settings = new I2cConnectionSettings(0x40); // Arduino address
settings.BusSpeed = I2cBusSpeed.StandardMode;
string aqs = I2cDevice.GetDeviceSelector("I2C1");
var dis = await DeviceInformation.FindAllAsync(aqs);
Device = await I2cDevice.FromIdAsync(dis[0].Id, settings);
//Create a timer to periodicly read the temps from the Arduino
periodicTimer = new Timer(TimerCallback, null, 0, ReadInterval);
}
return;
}
public static void Main(string[] args)
{
I2cConnectionSettings settings = new I2cConnectionSettings(1, Mcp9808.DefaultI2cAddress);
I2cDevice device = I2cDevice.Create(settings);
using (Mcp9808 sensor = new Mcp9808(device))
{
while (true)
{
// read temperature
Console.WriteLine($"Temperature: {sensor.Temperature.DegreesCelsius} ℃");
Console.WriteLine();
Thread.Sleep(1000);
}
}
}
static void Main(string[] args)
{
I2cConnectionSettings settings = new I2cConnectionSettings(1, (byte)I2cAddress.AddrLow);
I2cDevice device = I2cDevice.Create(settings);
using (Sht3x sensor = new Sht3x(device))
{
while (true)
{
Console.WriteLine($"Temperature: {sensor.Temperature.Celsius} ℃");
Console.WriteLine($"Humidity: {sensor.Humidity} %");
Console.WriteLine();
Thread.Sleep(1000);
}
}
}
public static void Main(string[] args)
{
I2cConnectionSettings settings = new I2cConnectionSettings(1, Mlx90614.DefaultI2cAddress);
I2cDevice i2cDevice = I2cDevice.Create(settings);
using (Mlx90614 sensor = new Mlx90614(i2cDevice))
{
while (true)
{
Console.WriteLine($"Ambient: {sensor.ReadAmbientTemperature().Celsius} ℃");
Console.WriteLine($"Object: {sensor.ReadObjectTemperature().Celsius} ℃");
Console.WriteLine();
Thread.Sleep(1000);
}
}
}
/**
* Start I2C Communication
**/
public async void startI2C(byte deviceAddress, string controllerName)
{
try
{
var i2cSettings = new I2cConnectionSettings(deviceAddress);
i2cSettings.BusSpeed = I2cBusSpeed.FastMode;
string deviceSelector = I2cDevice.GetDeviceSelector(controllerName);
var i2cDeviceControllers = await DeviceInformation.FindAllAsync(deviceSelector);
this._i2cPortExpander = await I2cDevice.FromIdAsync(i2cDeviceControllers[0].Id, i2cSettings);
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine("Exception: {0}", e.Message);
return;
}
}
static void Main(string[] args)
{
I2cConnectionSettings settings = new I2cConnectionSettings(1, Si7021.DefaultI2cAddress);
I2cDevice device = I2cDevice.Create(settings);
using (Si7021 sensor = new Si7021(device, Resolution.Resolution1))
{
while (true)
{
Console.WriteLine($"Temperature: {sensor.Temperature.Celsius}℃");
Console.WriteLine($"Humidity: {sensor.Humidity}%");
Console.WriteLine();
Thread.Sleep(1000);
}
}
}
private const string I2C_CONTROLLER_NAME = "I2C1"; // For Raspberry Pi 2, use I2C1
public async Task <I2cDevice> GetI2cDeviceAsync(byte address)
{
string aqs = I2cDevice.GetDeviceSelector(I2C_CONTROLLER_NAME); /* Get a selector string that will return all I2C controllers on the system */
var _i2cBusControllers = await DeviceInformation.FindAllAsync(aqs); /* Find the I2C bus controller device with our selector string */
if (!_i2cBusControllers.Any())
{
throw new InvalidOperationException("No I2C bus controllers were found on the system");
}
var settings = new I2cConnectionSettings(address)
{
BusSpeed = I2cBusSpeed.FastMode
};
return(await I2cDevice.FromIdAsync(_i2cBusControllers.First().Id, settings)); /* Create an I2cDevice with our selected bus controller and I2C settings */
}
//Method to initialize the BME280 sensor
public async Task Initialize()
{
Debug.WriteLine("BME280::Initialize Attempt");
try
{
//Instantiate the I2CConnectionSettings using the device address of the BME280
I2cConnectionSettings settings = new I2cConnectionSettings(BME280_Address);
//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 BME280 I2C device using the device id of the I2CBus and the I2CConnectionSettings
bme280 = await I2cDevice.FromIdAsync(dis[0].Id, settings);
//Check if device was found
if (bme280 == null)
{
Debug.WriteLine("BME280::Device not found");
}
else
{
try
{
//Make sure the I2C device is initialized
if (!init)
{
await Begin();
}
}
catch (Exception e)
{
init = false;
Debug.WriteLine("BME280::Initialization Exception: " + e.Message + "\n" + e.StackTrace);
}
}
}
catch (Exception e)
{
Debug.WriteLine("BME280::Exception: " + e.Message + "\n" + e.StackTrace);
throw;
}
}
