Support RHS2116 streaming and stimulation #67
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There was a problem hiding this comment. This file (along with a few others in the same OpenEphys.Onix/OpenEphys.Onix folder path) are leftovers from the old folder pattern. These should be removed. |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| using System.Collections.Generic; | ||
| using System.ComponentModel; | ||
| using System.Threading; | ||
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||
| namespace OpenEphys.Onix | ||
| { | ||
| public class ConfigureHeadstageRhs2116 : HubDeviceFactory | ||
| { | ||
| PortName port; | ||
| readonly ConfigureHeadstageRhs2116LinkController LinkController = new(); | ||
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| public ConfigureHeadstageRhs2116() | ||
| { | ||
| // TODO: The issue with this headstage is that its locking voltage is far, far lower than the voltage required for full | ||
| // functionality. Locking occurs at around 2V on the headstage (enough to turn 1.8V on). Full functionality is at 5.0 volts. | ||
| // Whats worse: the port voltage can only go down to 3.3V, which means that its very hard to find the true lowest voltage | ||
| // for a lock and then add a large offset to that. | ||
| Port = PortName.PortA; | ||
| LinkController.HubConfiguration = HubConfiguration.Standard; | ||
| } | ||
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| [Category(ConfigurationCategory)] | ||
| [TypeConverter(typeof(HubDeviceConverter))] | ||
| public ConfigureRhs2116 Rhs2116A { get; set; } = new(); | ||
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| [Category(ConfigurationCategory)] | ||
| [TypeConverter(typeof(HubDeviceConverter))] | ||
| public ConfigureRhs2116 Rhs2116B { get; set; } = new(); | ||
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| [Category(ConfigurationCategory)] | ||
| [TypeConverter(typeof(HubDeviceConverter))] | ||
| public ConfigureRhs2116Trigger StimulusTrigger { get; set; } = new(); | ||
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| internal override void UpdateDeviceNames() | ||
| { | ||
| LinkController.DeviceName = GetFullDeviceName(nameof(LinkController)); | ||
| Rhs2116A.DeviceName = GetFullDeviceName(nameof(Rhs2116A)); | ||
| Rhs2116B.DeviceName = GetFullDeviceName(nameof(Rhs2116B)); | ||
| StimulusTrigger.DeviceName = GetFullDeviceName(nameof(StimulusTrigger)); | ||
| } | ||
|
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||
| public PortName Port | ||
| { | ||
| get { return port; } | ||
| set | ||
| { | ||
| port = value; | ||
| var offset = (uint)port << 8; | ||
| LinkController.DeviceAddress = (uint)port; | ||
| Rhs2116A.DeviceAddress = offset + 0; | ||
| Rhs2116B.DeviceAddress = offset + 1; | ||
| StimulusTrigger.DeviceAddress = offset + 2; | ||
| } | ||
| } | ||
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| [Description("If defined, it will override automated voltage discovery and apply the specified voltage" + | ||
| "to the headstage. Warning: this device requires 3.4V to 4.4V for proper operation." + | ||
| "Supplying higher voltages may result in damage to the headstage.")] | ||
| public double? PortVoltage | ||
| { | ||
| get => LinkController.PortVoltage; | ||
| set => LinkController.PortVoltage = value; | ||
| } | ||
|
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| internal override IEnumerable<IDeviceConfiguration> GetDevices() | ||
| { | ||
| yield return LinkController; | ||
| yield return Rhs2116A; | ||
| yield return Rhs2116B; | ||
| yield return StimulusTrigger; | ||
| } | ||
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| class ConfigureHeadstageRhs2116LinkController : ConfigureFmcLinkController | ||
| { | ||
| protected override bool ConfigurePortVoltage(DeviceContext device) | ||
| { | ||
| const double MinVoltage = 3.3; | ||
| const double MaxVoltage = 4.4; | ||
| const double VoltageOffset = 2.0; | ||
| const double VoltageIncrement = 0.2; | ||
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||
| for (var voltage = MinVoltage; voltage <= MaxVoltage; voltage += VoltageIncrement) | ||
| { | ||
| SetPortVoltage(device, voltage); | ||
| if (base.CheckLinkState(device)) | ||
| { | ||
| SetPortVoltage(device, voltage + VoltageOffset); | ||
| return CheckLinkState(device); | ||
| } | ||
| } | ||
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| return false; | ||
| } | ||
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| private void SetPortVoltage(DeviceContext device, double voltage) | ||
| { | ||
| device.WriteRegister(FmcLinkController.PORTVOLTAGE, 0); | ||
| Thread.Sleep(500); | ||
| device.WriteRegister(FmcLinkController.PORTVOLTAGE, (uint)(10 * voltage)); | ||
| Thread.Sleep(500); | ||
| } | ||
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| protected override bool CheckLinkState(DeviceContext device) | ||
| { | ||
| // NB: The RHS2116 headstage needs an additional reset after power on to provide its device table. | ||
| device.Context.Reset(); | ||
| var linkState = device.ReadRegister(FmcLinkController.LINKSTATE); | ||
| return (linkState & FmcLinkController.LINKSTATE_SL) != 0; | ||
| } | ||
| } | ||
| } | ||
| } |
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Is the phase detector package used in the implementation, or just for examples?
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Oops. Should not be there. Also don't know why I committed this file.