public void ShouldConfigureDacPrecision(
[Values(DacPrecision.FourteenBit, DacPrecision.SixteenBit)] DacPrecision dacPrecision)
{
GivenDeviceConfig(WithDacPrecision(dacPrecision));
WhenCreate();
ThenDacPrecisionShouldBe(dacPrecision);
}
public void ShouldSetAndGetDacPrecision
(
DacPrecision originalDacPrecision,
DacPrecision newDacPrecision
)
{
GivenDacPrecision(originalDacPrecision);
WhenSetAndGetDacPrecision(newDacPrecision);
ThenDacPrecisionShouldBe(newDacPrecision);
}
public void ShouldSendSPI(
[Values(DacPrecision.SixteenBit, DacPrecision.FourteenBit)] DacPrecision dacPrecision,
[Range((int)ChannelAddress.Dac0, (int)ChannelAddress.Dac39)] ChannelAddress channelAddress,
[Values(ushort.MinValue, 1, 1 << 1, 1 << 2, 1 << 3, 1 << 4, 1 << 5, 1 << 6, 1 << 7, 1 << 8, 1 << 9, 1 << 10,
1 << 11, 1 << 12, 1 << 13, 1 << 14, 1 << 15, ushort.MaxValue)] int dacChannelDataValueA)
{
GivenDACPrecision(dacPrecision);
WhenSetDacChannelDataValueA(channelAddress, (ushort)dacChannelDataValueA);
ThenSPICommandIsSent(DataForSPI(dacPrecision, channelAddress, (ushort)dacChannelDataValueA));
}
private static uint DataForSPI(DacPrecision dacPrecision, ChannelAddress channelAddress, ushort dacChannelGain)
{
return
((uint)SerialInterfaceModeBits.WriteToDACGainRegisterM
| (uint)(((byte)channelAddress & (byte)BasicMasks.SixBits) << 16)
| (dacChannelGain &
(dacPrecision == DacPrecision.SixteenBit
? (uint)BasicMasks.SixteenBits
: (uint)BasicMasks.HighFourteenBits)));
}
public void ShouldOnlyReturnReadableBitsPortionOfMRegisterValue(
[Range((int)ChannelAddress.Dac0, (int)ChannelAddress.Dac39)] int channelAddress,
[Values(ushort.MinValue, (ushort)BasicMasks.FourteenBits, (ushort)BasicMasks.SixteenBits)]
ushort mRegisterBits,
[Values(DacPrecision.FourteenBit, DacPrecision.SixteenBit)] DacPrecision dacPrecision
)
{
GivenMRegisterValueInDeviceMemory(mRegisterBits);
GivenDacPrecision(dacPrecision);
WhenReadbackMRegister((ChannelAddress)channelAddress);
ThenTheValueShouldBeTheReadableBitsPartOfTheValueOnTheDevice();
}
public void ShouldSetAndGetDacChannelOffset(
[Values(DacPrecision.FourteenBit, DacPrecision.SixteenBit)] DacPrecision dacPrecision,
[Range((int)ChannelAddress.Dac0, (int)ChannelAddress.Dac39)] int channelAddress,
[Values(0, 1, 1 << 1, 1 << 2, 1 << 3, 1 << 4, 1 << 5, 1 << 6, 1 << 7, 1 << 8, 1 << 9, 1 << 10, 1 << 11,
1 << 12, 1 << 13, 1 << 14, 1 << 15, (2 ^ 16) - 1)] int newValue)
{
GivenDacPrecision(dacPrecision);
GivenDacChannelOffset((ChannelAddress)channelAddress, (ushort)~newValue);
WhenSetAndGetDacChannelOffset((ChannelAddress)channelAddress, (ushort)newValue);
ThenDacChannelOffsetShouldBe((ushort)(newValue & (ushort)(dacPrecision == DacPrecision.FourteenBit
? BasicMasks.HighFourteenBits
: BasicMasks.SixteenBits)));
}
public void ShouldGetCorrectDacChannelOffset(
[Values(DacPrecision.SixteenBit, DacPrecision.FourteenBit)] DacPrecision dacPrecision,
[Range((int)ChannelAddress.Dac0, (int)ChannelAddress.Dac39)] int channelAddress,
[Values(0, 1, 1 << 1, 1 << 2, 1 << 3, 1 << 4, 1 << 5, 1 << 6, 1 << 7, 1 << 8, 1 << 9, 1 << 10, 1 << 11,
1 << 12, 1 << 13, 1 << 14, 1 << 15, (2 ^ 16) - 1)] int cRegisterValue)
{
GivenDacPrecision(dacPrecision);
GivenCRegisterBits((ChannelAddress)channelAddress, (ushort)cRegisterValue);
WhenGetDacChannelOffset((ChannelAddress)channelAddress);
ThenValueReturnedShouldBe((ushort)(cRegisterValue &
(dacPrecision == DacPrecision.SixteenBit
? (ushort)BasicMasks.SixteenBits
: (ushort)BasicMasks.HighFourteenBits)));
}
public void ShouldCacheX1ARegisterValues(
[Values(DacPrecision.SixteenBit, DacPrecision.FourteenBit)] DacPrecision dacPrecision,
[Range((int)ChannelAddress.Dac0, (int)ChannelAddress.Dac39)] ChannelAddress channelAddress,
[Values(ushort.MinValue, 1, 1 << 1, 1 << 2, 1 << 3, 1 << 4, 1 << 5, 1 << 6, 1 << 7, 1 << 8, 1 << 9, 1 << 10,
1 << 11, 1 << 12, 1 << 13, 1 << 14, 1 << 15, ushort.MaxValue)] int dacChannelDataValueA)
{
GivenDACPrecision(dacPrecision);
WhenSetDacChannelDataValueA(channelAddress, (ushort)dacChannelDataValueA);
ThenX1ARegisterValueInDeviceStateCacheIsSetTo(
(int)channelAddress - 8,
(ushort)(dacChannelDataValueA &
(dacPrecision == DacPrecision.SixteenBit
? (ushort)BasicMasks.SixteenBits
: (ushort)BasicMasks.HighFourteenBits))
);
}
private void GivenDacPrecision(DacPrecision dacPrecision)
{
_deviceState.Precision = dacPrecision;
}
private void ThenDacPrecisionShouldBe(DacPrecision expected)
{
_dacPrecisionReturned.Should().Be(expected);
}
private void WhenSetAndGetDacPrecision(DacPrecision dacPrecision)
{
_evalBoard.DacPrecision = dacPrecision;
_dacPrecisionReturned = _evalBoard.DacPrecision;
}
private void GivenDacPrecision(DacPrecision dacPrecision)
{
_evalBoard.DacPrecision = dacPrecision;
}
private void ThenDacPrecisionShouldBe(DacPrecision expectedDacPrecision)
{
Mock.Get(_fakeEvalBoard)
.VerifySet(x => x.DacPrecision = expectedDacPrecision);
}
private static DeviceConfig WithDacPrecision(DacPrecision dacPrecision)
{
return(new DeviceConfig {
DACPrecision = dacPrecision
});
}
