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Code Issues Releases Wiki Activity

Logitech - Added retry mechanism to Lightspeed detector

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This commit is contained in:
Diogo Trindade 2021-11-26 15:01:12 +00:00
parent 35d61e1496
commit 1f3cef94c8
1 changed files with 47 additions and 30 deletions
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77
RGB.NET.Devices.Logitech/HID/LightspeedHidLoader.cs
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@ -1,4 +1,4 @@
using HidSharp; using HidSharp;
using RGB.NET.Core; using RGB.NET.Core;
using RGB.NET.HID; using RGB.NET.HID;
using System; using System;
@ -18,6 +18,7 @@ public class LightspeedHIDLoader<TLed, TData> : IEnumerable<HIDDeviceDefinition<
{ {
#region Constants #region Constants
private const int LOGITECH_PROTOCOL_TIMEOUT = 300;
private const int VENDOR_ID = 0x046D; private const int VENDOR_ID = 0x046D;
// ReSharper disable once StaticMemberInGenericType - This is used like a const // ReSharper disable once StaticMemberInGenericType - This is used like a const
@ -115,49 +116,57 @@ public class LightspeedHIDLoader<TLed, TData> : IEnumerable<HIDDeviceDefinition<
Dictionary<int, byte> map = new(); Dictionary<int, byte> map = new();
if (deviceUsages.TryGetValue(1, out HidDevice? device)) if (!deviceUsages.TryGetValue(1, out HidDevice? device) || !device.TryOpen(out HidStream stream))
return map;
int tries = 0;
const int maxTries = 5;
while (tries < maxTries)
{ {
HidStream? stream = device.Open(); try
FapResponse response = new();
FapShortRequest getConnectedDevices = new();
getConnectedDevices.Init(LOGITECH_RECEIVER_ADDRESS, LOGITECH_GET_REGISTER_REQUEST);
stream.Write(getConnectedDevices.AsSpan());
stream.Read(response.AsSpan());
bool wirelessNotifications = (response.Data01 & 1) == 1;
if (!wirelessNotifications)
{ {
response = new FapResponse(); stream.ReadTimeout = LOGITECH_PROTOCOL_TIMEOUT;
stream.WriteTimeout = LOGITECH_PROTOCOL_TIMEOUT;
getConnectedDevices.Init(LOGITECH_RECEIVER_ADDRESS, LOGITECH_SET_REGISTER_REQUEST); FapResponse response = new();
getConnectedDevices.Data1 = 1;
FapShortRequest getConnectedDevices = new();
getConnectedDevices.Init(LOGITECH_RECEIVER_ADDRESS, LOGITECH_GET_REGISTER_REQUEST);
stream.Write(getConnectedDevices.AsSpan()); stream.Write(getConnectedDevices.AsSpan());
stream.Read(response.AsSpan()); stream.Read(response.AsSpan());
if (getConnectedDevices.FeatureIndex == 0x8f) bool wirelessNotifications = (response.Data01 & 1) == 1;
if (!wirelessNotifications)
{ {
//error?? response = new FapResponse();
getConnectedDevices.Init(LOGITECH_RECEIVER_ADDRESS, LOGITECH_SET_REGISTER_REQUEST);
getConnectedDevices.Data1 = 1;
stream.Write(getConnectedDevices.AsSpan());
stream.Read(response.AsSpan());
if (getConnectedDevices.FeatureIndex == 0x8f)
{
//error??
}
} }
}
response = new FapResponse(); response = new FapResponse();
getConnectedDevices.Init(LOGITECH_RECEIVER_ADDRESS, LOGITECH_GET_REGISTER_REQUEST); getConnectedDevices.Init(LOGITECH_RECEIVER_ADDRESS, LOGITECH_GET_REGISTER_REQUEST);
getConnectedDevices.FeatureCommand = 0x02; getConnectedDevices.FeatureCommand = 0x02;
stream.Write(getConnectedDevices.AsSpan()); stream.Write(getConnectedDevices.AsSpan());
stream.Read(response.AsSpan()); stream.Read(response.AsSpan());
int deviceCount = response.Data01;
if (deviceCount <= 0)
return map;
int deviceCount = response.Data01; //Add 1 to the device_count to include the receiver
if (deviceCount > 0)
{
//log "Faking a reconnect to get device list"
deviceCount++; deviceCount++;
getConnectedDevices.Init(LOGITECH_RECEIVER_ADDRESS, LOGITECH_SET_REGISTER_REQUEST); getConnectedDevices.Init(LOGITECH_RECEIVER_ADDRESS, LOGITECH_SET_REGISTER_REQUEST);
getConnectedDevices.FeatureCommand = 0x02; getConnectedDevices.FeatureCommand = 0x02;
getConnectedDevices.Data0 = 0x02; getConnectedDevices.Data0 = 0x02;
@ -171,6 +180,14 @@ public class LightspeedHIDLoader<TLed, TData> : IEnumerable<HIDDeviceDefinition<
if (devices.DeviceIndex != 0xff) if (devices.DeviceIndex != 0xff)
map.Add(wirelessPid, devices.DeviceIndex); map.Add(wirelessPid, devices.DeviceIndex);
} }
break;
}
catch
{
tries++;
//This might timeout if LGS or GHUB interfere.
//Retry.
} }
} }