internal AdcBackgroundWorkerArgs(AdcMode mode, MCP3424.AdcChannel channel, MCP3424.AdcSize size, MCP3424.AdcPga pga)
{
this._mode = mode;
this._channel = channel;
this._size = size;
this._pga = pga;
}
internal ReportAdcProgressWithStatus(AdcMode mode, uint reading, double voltage, double current, UsbI2CInterface.UsbI2C.StatusResults statusResults)
{
_mode = mode;
_reading = reading;
_voltage = voltage;
_current = current;
_statusResults = statusResults;
}
private void checkBoxReadVoltage_CheckedChanged(object sender, EventArgs e)
{
if (_usbI2C.IsOpen())
{
if (checkBoxReadVoltage.Checked)
{
checkBoxReadVoltage.Text = "Stop";
comboBoxAdcMode.Enabled = false;
comboBoxChannel.Enabled = false;
comboBoxSize.Enabled = false;
comboBoxGain.Enabled = false;
_backgroundWorkerAdc = new BackgroundWorker();
_backgroundWorkerAdc.DoWork += BackgroundWorkerAdcDoWork;
_backgroundWorkerAdc.ProgressChanged += BackgroundWorkerAdcProgressChanged;
_backgroundWorkerAdc.WorkerReportsProgress = true;
_backgroundWorkerAdc.WorkerSupportsCancellation = true;
AdcMode mode = AdcMode.Raw;
MCP3424.AdcChannel channel = MCP3424.AdcChannel.Channel0;
MCP3424.AdcSize size = MCP3424.AdcSize.Size12Bit;
MCP3424.AdcPga pga = MCP3424.AdcPga.Gain1;
try
{
Enum.TryParse <AdcMode>(comboBoxAdcMode.SelectedValue.ToString(), out mode);
Enum.TryParse <MCP3424.AdcChannel>(comboBoxChannel.SelectedValue.ToString(), out channel);
Enum.TryParse <MCP3424.AdcSize>(comboBoxSize.SelectedValue.ToString(), out size);
Enum.TryParse <MCP3424.AdcPga>(comboBoxGain.SelectedValue.ToString(), out pga);
}
catch (Exception ex)
{
string error = ex.Message;
}
AdcBackgroundWorkerArgs args = new AdcBackgroundWorkerArgs(mode, channel, size, pga);
_backgroundWorkerAdc.RunWorkerAsync(args);
}
else
{
checkBoxReadVoltage.Text = "Start";
comboBoxAdcMode.Enabled = true;
comboBoxChannel.Enabled = true;
comboBoxSize.Enabled = true;
comboBoxGain.Enabled = true;
if (_backgroundWorkerAdc != null && _backgroundWorkerAdc.IsBusy)
{
_backgroundWorkerAdc.CancelAsync();
}
Thread.Sleep(1000);
}
}
}
/// <summary>
/// Constructs Mcp3427 instance
/// </summary>
/// <param name="i2CDevice">I2C device used to communicate with the device</param>
/// <param name="mode">ADC operation mode</param>
/// <param name="resolution">ADC resolution</param>
/// <param name="pgaGain">PGA gain</param>
public Mcp3427(I2cDevice i2CDevice, AdcMode mode = AdcMode.Continuous, AdcResolution resolution = AdcResolution.Bit12, AdcGain pgaGain = AdcGain.X1)
: this(i2CDevice)
{
SetConfig(0, mode: mode, resolution: resolution, pgaGain: pgaGain);
}
public static byte SetModeBit(byte configByte, AdcMode mode)
{
return((byte)((configByte & ~Helpers.Masks.ModeMask) | (byte)mode));
}