private const int LatencyTimer = 255; // Hz
static void Main(string[] args)
{
var adcSpiConfig = new FtChannelConfig
{
ClockRate = ConnectionSpeed,
LatencyTimer = LatencyTimer,
configOptions = FtConfigOptions.Mode0 | FtConfigOptions.CsDbus3 | FtConfigOptions.CsActivelow
};
var adcConfig = new Maxim186Configuration
{
Channel = Maxim186.Channel.Channel0,
ConversionType = Maxim186.ConversionType.SingleEnded,
Polarity = Maxim186.Polarity.Unipolar,
PowerMode = Maxim186.PowerMode.InternalClockMode
};
var adc = new Maxim186(adcConfig, adcSpiConfig);
do
{
Console.WriteLine(adc.GetConvertedSample());
} while (true);
//*/
}
public int Begin(int address)
{
if (_i2cDevice == null)
{
var adci2cConfig = new FtChannelConfig
{
ClockRate = ConnectionSpeed,
LatencyTimer = LatencyTimer
};
if (_i2cDevice == null)
{
_i2cDevice = new I2CDevice(adci2cConfig, address);
var b = _i2cDevice.Read(1);
if (b == null)
{
Debugger.Break();
}
_shadow = Convert.ToInt32(b[0]);
_initialised = true;
}
}
return 1;
}
private void InitLibAndHandle()
{
FtResult result;
if (_handle != IntPtr.Zero)
return;
LibMpsse.Init();
result = LibMpsseSpi.SPI_OpenChannel(_spiConfig.ChannelIndex, out _handle);
CheckResult(result);
if (_handle == IntPtr.Zero)
throw new SpiChannelNotConnectedException(FtResult.InvalidHandle);
result = LibMpsseSpi.SPI_InitChannel(_handle, ref _cfg);
CheckResult(result);
_currentGlobalConfig = _cfg;
}
public extern static FtResult SPI_InitChannel(IntPtr handle, ref FtChannelConfig config);
public static extern FtResult I2C_InitChannel(System.IntPtr handle, ref FtChannelConfig config);
public Maxim186(Maxim186Configuration adcConfig, FtChannelConfig config, SpiConfiguration spiConfig)
: base(config, spiConfig)
{
_adcConfig = adcConfig;
}
public Maxim186(Maxim186Configuration adcConfig, FtChannelConfig config)
: this(adcConfig, config, null)
{
}
protected SpiDevice(FtChannelConfig config, SpiConfiguration spiConfig)
{
_spiConfig = spiConfig ?? SpiConfiguration.ChannelZeroConfiguration;
_cfg = config;
InitLibAndHandle();
}
protected SpiDevice(FtChannelConfig config)
: this(config, null)
{
}
private void EnforceRightConfiguration()
{
if (_currentGlobalConfig.configOptions != _cfg.configOptions)
{
LibMpsseSpi.SPI_ChangeCS(_handle, _cfg.configOptions);
_currentGlobalConfig = _cfg;
}
}