// This example takes a single SPI capable IOWarrior to control an MCP4922, an external 12bit DAC with 2 channels.
public MainForm()
{
InitializeComponent();
FormClosing += OnFormClosingEvent;
FastIOW.OpenConnection();
iow = (SPIDevice)FastIOW.GetIOWarriors().Where(entry => entry is SPIDevice).FirstOrDefault();
if (iow == null)
{
FastIOW.CloseConnection();
MessageBox.Show("No SPI capable IOWarrior detected!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
Environment.Exit(1);
return;
}
iow.SPI.Enable();
m_TrackBar1.Maximum = 4095;
m_TrackBar1.ValueChanged += OnScrollEvent1;
m_Label1.Text = (0.0).ToString("#0.00") + " V";
m_TrackBar2.Maximum = 4095;
m_TrackBar2.ValueChanged += OnScrollEvent2;
m_Label2.Text = (0.0).ToString("#0.00") + " V";
}
// This programm requires an IOWarrior24. Connect a push button to pin P0.0 and press for short period of time.
// Pulse duration will show up on console. For more accurate results is neccessary to debounce the push button.
static void Main(string[] args)
{
FastIOW.OpenConnection();
IOWarrior24 iow = (IOWarrior24)FastIOW.GetIOWarriors().Where(entry => entry is IOWarrior24).FirstOrDefault();
if (iow == null)
{
FastIOW.CloseConnection();
Console.WriteLine("No IOWarrior24 detected! Press any key to exit.");
Console.ReadKey();
return;
}
Console.WriteLine("Found an IOWarrior24!");
Console.WriteLine("Press a push button connected to Timer_1 or press any key on keyboard to exit.");
while (!Console.KeyAvailable)
{
// Read duration of button press using Timer_1 on pin P0.0, set timeout to 2 seconds.
int time_us = iow.Timer.PulseIn(IOWarrior24.Timer_1, false, TimeSpan.FromSeconds(2));
if (time_us != -1)
{
Console.WriteLine("Pulsewidth = " + time_us + " μs");
}
}
FastIOW.CloseConnection();
}
private static void PrintInfos()
{
Console.WriteLine(string.Format("|{0,20}|{1,20}|{2,20}|", "Name", "Unique Identifier", "Serial Number"));
foreach (var iow in FastIOW.GetIOWarriors())
{
Console.WriteLine(string.Format("|{0,20}|{1,20}|{2,20}|", iow.Name, string.Format("0x{0:X8}", iow.Id), iow.SerialNumber));
}
}
private void OnFormClosingEvent(Object sender, FormClosingEventArgs e)
{
PollingTimer?.Stop();
foreach (IOWarrior iow in FastIOW.GetIOWarriors().Where(entry => entry is ADCDevice))
{
// Disable all ADC channels.
(iow as ADCDevice).ADC.Disable();
}
FastIOW.CloseConnection();
}
// This example takes the first I2C capable IOWarrior to read out an BH1750, an external brightness sensor.
public MainForm()
{
InitializeComponent();
FormClosing += OnFormClosingEvent;
FastIOW.OpenConnection();
Iow = (I2CDevice)FastIOW.GetIOWarriors().Where(entry => entry is I2CDevice).FirstOrDefault();
if (Iow == null)
{
FastIOW.CloseConnection();
MessageBox.Show("No I2C capable IOWarriors detected!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
Environment.Exit(1);
return;
}
Iow.I2C.Enable();
Iow.I2C.WriteBytes(BH1750_ADDRESS, BH1750_POWER_ON);
Iow.I2C.WriteBytes(BH1750_ADDRESS, Continuously_H_ResolutionMode2);
m_Chart.Dock = DockStyle.Fill;
m_Chart.Series = new SeriesCollection();
m_Chart.AxisY.Add(new Axis
{
Foreground = System.Windows.Media.Brushes.DodgerBlue,
Title = "Brightness (lx)"
});
m_Chart.AxisX.Add(new Axis
{
Foreground = System.Windows.Media.Brushes.DodgerBlue,
Title = "Time (sec)"
});
DataLine = new LineSeries()
{
PointGeometrySize = 15,
Values = new ChartValues <ObservablePoint>()
};
m_Chart.Series.Add(DataLine);
PollingTimer = new Timer();
PollingTimer.Tick += new EventHandler(OnTick);
PollingTimer.Interval = 500;
PollingTimer.Start();
}
// This example scans I2C interface of all connected IOWarriors
// for I2C slave devices, printing their address to console.
static void Main(string[] args)
{
FastIOW.OpenConnection();
if (!FastIOW.Connected)
{
FastIOW.CloseConnection();
Console.WriteLine("No IOWarrior detected!");
Console.ReadKey();
return;
}
Console.WriteLine(string.Format("|{0,20}|{1,20}|{2,20}|{3,20}|", "Name", "Unique Identifier", "Serial Number", "I2C Address"));
foreach (IOWarrior iow in FastIOW.GetIOWarriors().Where(entry => entry is I2CDevice))
{
I2CInterface i2c = (iow as I2CDevice).I2C;
i2c.Enable();
foreach (byte address in Enumerable.Range(0, 127))
{
try
{
// Throws IOException when I2C device is not responding.
i2c.WriteBytes(address);
// This is only called when I2C device send a response.
Console.WriteLine(string.Format("|{0,20}|{1,20}|{2,20}|{3,20}|", iow.Name, string.Format("0x{0:X8}", iow.Id), iow.SerialNumber, string.Format("0x{0:X2}", address)));
}
catch (IOException) { }
}
i2c.Disable();
}
FastIOW.CloseConnection();
Console.WriteLine("\nPress any key to exit.");
Console.ReadKey();
}
// This example will blink up LEDs with a fix frequency of 1 Hz. See above for pin definitions.
static void Main(string[] args)
{
FastIOW.OpenConnection();
if (!FastIOW.Connected)
{
FastIOW.CloseConnection();
Console.WriteLine("No IOWarrior detected!");
Console.ReadKey();
return;
}
PrintInfos();
Console.WriteLine("\nPress any key to exit.");
IOWarrior[] iows = FastIOW.GetIOWarriors();
// Set delay to zero to get maximum frequency
// (e.g. 250 Hz on Win10 x64 with AMD Ryzen 5 2400G and one IOWarrior 28)
int delay = 500; // 0;
while (!Console.KeyAvailable)
{
foreach (var iow in iows)
{
iow.DigitalWrite(LedDefinitions[iow.Type], iow.LOW);
}
Thread.Sleep(delay);
foreach (var iow in iows)
{
iow.DigitalWrite(LedDefinitions[iow.Type], iow.HIGH);
}
Thread.Sleep(delay);
}
FastIOW.CloseConnection();
}
// This example takes a single IOWarrior56 to dimm a LED on port P6.7 alias P7.7 using a TrackBar.
public MainForm()
{
InitializeComponent();
FormClosing += OnFormClosingEvent;
FastIOW.OpenConnection();
iow = (IOWarrior56)FastIOW.GetIOWarriors().Where(entry => entry is IOWarrior56).FirstOrDefault();
if (iow == null)
{
FastIOW.CloseConnection();
MessageBox.Show("No IOWarrior56 detected!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
Environment.Exit(1);
return;
}
iow.PWM.Enable(PWMConfig.PWM_1);
m_TrackBar.Maximum = UInt16.MaxValue;
m_TrackBar.ValueChanged += OnScrollEvent;
}
private void OnTick(object sender, EventArgs e)
{
adcListView.Items.Clear();
foreach (IOWarrior iow in FastIOW.GetIOWarriors().Where(entry => entry is ADCDevice))
{
ADCInterface adc = (iow as ADCDevice).ADC;
for (int counter = 0; counter < adc.AnalogPins.Length; counter++)
{
double ratio = (adc.AnalogRead(adc.AnalogPins[counter]) / 65535.0);
double vcc = 5.0;
if (iow is IOWarrior28)
{
vcc = 3.3;
}
adcListView.Items.Add(new ListViewItem(new[] { iow.Name, iow.SerialNumber, "ADC_" + counter, (ratio * vcc).ToString("#0.00") + "V" }));
}
}
}
// This example takes the first I2C capable IOWarrior to write chars to a liquid crystal display connected via I2C adapter (pcf8574).
public MainForm()
{
InitializeComponent();
FormClosing += OnFormClosingEvent;
FastIOW.OpenConnection();
iow = (I2CDevice)FastIOW.GetIOWarriors().Where(entry => entry is I2CDevice).FirstOrDefault();
if (iow == null)
{
FastIOW.CloseConnection();
MessageBox.Show("No I2C capable IOWarrior detected!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
Environment.Exit(1);
return;
}
iow.I2C.Enable();
display = new LiquidCrystalI2C(iow.I2C, DisplayAddress, DisplayColumns, DisplayRows);
display.Begin();
display.Backlight();
display.Clear();
}
// This example takes all ADC capable IOWarriors and reads in all analog inputs.
public MainForm()
{
InitializeComponent();
FormClosing += OnFormClosingEvent;
adcListView.View = View.Details;
adcListView.GridLines = true;
adcListView.FullRowSelect = true;
adcListView.Columns.Add("Model", 140);
adcListView.Columns.Add("Serial No", 140);
adcListView.Columns.Add("ADC Channel", 140);
adcListView.Columns.Add("ADC Voltage", 140);
FastIOW.OpenConnection();
if (FastIOW.GetIOWarriors().Where(entry => entry is ADCDevice).Count() == 0)
{
FastIOW.CloseConnection();
MessageBox.Show("No ADC capable IOWarrior detected!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
Environment.Exit(1);
return;
}
foreach (IOWarrior iow in FastIOW.GetIOWarriors().Where(entry => entry is ADCDevice))
{
// Enable all ADC channels.
(iow as ADCDevice).ADC.Enable(ADCConfig.Channel_0To7);
}
PollingTimer = new Timer();
PollingTimer.Tick += new EventHandler(OnTick);
PollingTimer.Interval = 300;
PollingTimer.Start();
}
// This example lights up buildin LED as long a pushbutton is pressed. See above for pin definitions.
static void Main(string[] args)
{
FastIOW.OpenConnection();
if (!FastIOW.Connected)
{
FastIOW.CloseConnection();
Console.WriteLine("No IOWarrior detected!");
Console.ReadKey();
return;
}
PrintInfos();
foreach (var iow in FastIOW.GetIOWarriors())
{
iow.PinStateChange += OnPinStateChange;
}
Console.WriteLine("\nPress any key to exit.");
Console.ReadKey();
FastIOW.CloseConnection();
}