static void Main()
{
const ConnectorPin adcClock = ConnectorPin.P1Pin23;
const ConnectorPin adcMiso = ConnectorPin.P1Pin21;
const ConnectorPin adcMosi = ConnectorPin.P1Pin19;
const ConnectorPin adcCs = ConnectorPin.P1Pin24;
Console.Clear();
Console.WriteLine("MCP-3208 Sample: Reading ADC points in all channels");
Console.WriteLine();
Console.WriteLine("\tClock: {0}", adcClock);
Console.WriteLine("\tCS: {0}", adcCs);
Console.WriteLine("\tMOSI: {0}", adcMosi);
Console.WriteLine("\tMISO: {0}", adcMiso);
Console.WriteLine();
var driver = new GpioConnectionDriver();
{
Console.CursorVisible = false;
var adcConnection = new Mcp3208SpiConnection(
driver.Out(adcClock),
driver.Out(adcCs),
driver.In(adcMiso),
driver.Out(adcMosi));
while (!Console.KeyAvailable)
{
Console.CursorTop = 0;
Console.Clear();
Mcp3208Channel chan = Mcp3208Channel.Channel0;
for (int i = 0; i < 8; i++)
{
AnalogValue p = adcConnection.Read(chan);
decimal points = p.Value;
Console.WriteLine(i.ToString() + " ADC points " + points.ToString());
using (StreamWriter sw = File.AppendText(".\\prova.txt"))
{
sw.WriteLine(chan.ToString() + " ADC points " + points.ToString());
}
chan++; // enum increase sends to the next channel
}
Thread.Sleep(500);
}
}
Console.CursorTop++;
Console.CursorVisible = true;
}
/// <summary>
/// Reads the specified channel.
/// </summary>
/// <param name="channel">The channel.</param>
/// <returns>The value</returns>
public AnalogValue Read(Mcp3208Channel channel)
{
using (spiConnection.SelectSlave())
{
// Start bit
spiConnection.Write(true);
// Channel is single-ended
spiConnection.Write(true);
spiConnection.Write((byte)channel, 3);
// Let one clock to sample
spiConnection.Synchronize();
// Read 12 bits
var data = (int)spiConnection.Read(12);
return new AnalogValue(data, 0xFFF);
}
}
/// <summary>
/// Reads the specified channel.
/// </summary>
/// <param name="channel">The channel.</param>
/// <returns>The value.</returns>
public AnalogValue Read(Mcp3208Channel channel)
{
using (this.spiConnection.SelectSlave())
{
// Start bit
this.spiConnection.Write(true);
// Channel is single-ended
this.spiConnection.Write(true);
this.spiConnection.Write((byte)channel, 3);
// Let one clock to sample
this.spiConnection.Synchronize();
// Read 12 bits
var data = (int)this.spiConnection.Read(12);
return(new AnalogValue(data, 0xFFF));
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Mcp3208InputAnalogPin" /> class.
/// </summary>
/// <param name="connection">The connection.</param>
/// <param name="channel">The channel.</param>
public Mcp3208InputAnalogPin(Mcp3208Device connection, Mcp3208Channel channel)
{
this.connection = connection;
this.channel = channel;
}
/// <summary>
/// Creates an analog input pin.
/// </summary>
/// <param name="connection">The connection.</param>
/// <param name="channel">The channel.</param>
/// <returns>The pin.</returns>
public static Mcp3208InputAnalogPin In(this Mcp3208SpiConnection connection, Mcp3208Channel channel)
{
return(new Mcp3208InputAnalogPin(connection, channel));
}
/// <summary>
/// Creates an analog input pin.
/// </summary>
/// <param name="connection">The connection.</param>
/// <param name="channel">The channel.</param>
/// <returns>The pin.</returns>
public static Mcp3208InputAnalogPin In(this Mcp3208SpiConnection connection, Mcp3208Channel channel)
{
return new Mcp3208InputAnalogPin(connection, channel);
}
/// <summary>
/// Initializes a new instance of the <see cref="Mcp3208InputAnalogPin" /> class.
/// </summary>
/// <param name="connection">The connection.</param>
/// <param name="channel">The channel.</param>
public Mcp3208InputAnalogPin(Mcp3208SpiConnection connection, Mcp3208Channel channel)
{
this.connection = connection;
this.channel = channel;
}
