diff --git a/src/logid/CMakeLists.txt b/src/logid/CMakeLists.txt
index 2118e6e..27b804f 100644
--- a/src/logid/CMakeLists.txt
+++ b/src/logid/CMakeLists.txt
@@ -60,6 +60,7 @@ add_executable(logid
backend/hidpp20/features/HiresScroll.cpp
backend/hidpp20/features/ChangeHost.cpp
backend/hidpp20/features/WirelessDeviceStatus.cpp
+ backend/hidpp20/features/ThumbWheel.cpp
backend/dj/Report.cpp
util/mutex_queue.h
util/workqueue.cpp
diff --git a/src/logid/backend/hidpp20/feature_defs.h b/src/logid/backend/hidpp20/feature_defs.h
index eb0fc9d..687dcc4 100644
--- a/src/logid/backend/hidpp20/feature_defs.h
+++ b/src/logid/backend/hidpp20/feature_defs.h
@@ -81,6 +81,7 @@ namespace hidpp20 {
HIRES_SCROLLING = 0x2120,
HIRES_SCROLLING_V2 = 0x2121, // Referred to as Hi-res wheel in cvuchener/hidpp, seems to be V2?
LORES_SCROLLING = 0x2130,
+ THUMB_WHEEL = 0x2150,
MOUSE_POINTER = 0x2200, // Possibly predecessor to 0x2201?
ADJUSTABLE_DPI = 0x2201,
ANGLE_SNAPPING = 0x2230,
diff --git a/src/logid/backend/hidpp20/features/ThumbWheel.cpp b/src/logid/backend/hidpp20/features/ThumbWheel.cpp
new file mode 100644
index 0000000..ef9e8d4
--- /dev/null
+++ b/src/logid/backend/hidpp20/features/ThumbWheel.cpp
@@ -0,0 +1,83 @@
+/*
+ * Copyright 2019-2020 PixlOne
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ *
+ */
+
+#include
+#include "ThumbWheel.h"
+
+using namespace logid::backend::hidpp20;
+
+ThumbWheel::ThumbWheel(Device *dev) : Feature(dev, ID)
+{
+}
+
+ThumbWheel::ThumbwheelInfo ThumbWheel::getInfo()
+{
+ std::vector params(0), response;
+ ThumbwheelInfo info{};
+ response = callFunction(GetInfo, params);
+
+ info.nativeRes = response[1];
+ info.nativeRes |= (response[0] << 8);
+ info.divertedRes = response[3];
+ info.divertedRes |= (response[2] << 8);
+ info.defaultDirection = response[4] ? 1 : -1; /* 1 increment to the right */
+ info.capabilities = response[5];
+ info.timeElapsed = response[7];
+ info.timeElapsed |= response[6] << 8;
+
+ return info;
+}
+
+ThumbWheel::ThumbwheelStatus ThumbWheel::getStatus()
+{
+ std::vector params(0), response;
+ ThumbwheelStatus status{};
+ response = callFunction(GetStatus, params);
+
+ status.diverted = response[0];
+ status.inverted = response[1] & 1;
+
+ return status;
+}
+
+ThumbWheel::ThumbwheelStatus ThumbWheel::setStatus(bool divert, bool invert)
+{
+ std::vector params(2), response;
+ ThumbwheelStatus status{};
+ params[1] = divert;
+ params[2] = invert;
+
+ response = callFunction(SetReporting, params);
+ status.diverted = response[0];
+ status.inverted = response[1] & 1;
+
+ return status;
+}
+
+ThumbWheel::ThumbwheelEvent ThumbWheel::thumbwheelEvent(hidpp::Report& report)
+{
+ assert(report.function() == Event);
+ ThumbwheelEvent event{};
+ event.rotation = report.paramBegin()[1];
+ event.rotation |= report.paramBegin()[0] << 8;
+ event.timestamp = report.paramBegin()[3];
+ event.timestamp |= report.paramBegin()[2] << 8;
+ event.rotationStatus = static_cast(report.paramBegin()[4]);
+ event.flags = report.paramBegin()[5];
+ return event;
+}
\ No newline at end of file
diff --git a/src/logid/backend/hidpp20/features/ThumbWheel.h b/src/logid/backend/hidpp20/features/ThumbWheel.h
new file mode 100644
index 0000000..7079f76
--- /dev/null
+++ b/src/logid/backend/hidpp20/features/ThumbWheel.h
@@ -0,0 +1,93 @@
+/*
+ * Copyright 2019-2020 PixlOne
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ *
+ */
+#ifndef LOGID_BACKEND_HIDPP20_FEATURE_THUMBWHEEL_H
+#define LOGID_BACKEND_HIDPP20_FEATURE_THUMBWHEEL_H
+
+#include "../feature_defs.h"
+#include "../Feature.h"
+
+namespace logid {
+namespace backend {
+namespace hidpp20
+{
+ class ThumbWheel : public Feature
+ {
+ public:
+ static const uint16_t ID = FeatureID::THUMB_WHEEL;
+ virtual uint16_t getID() { return ID; }
+
+ enum Function {
+ GetInfo = 0,
+ GetStatus = 1,
+ SetReporting = 2
+ };
+
+ enum Event {
+ Event = 0 /* Catch-all event */
+ };
+
+ explicit ThumbWheel(Device* dev);
+
+ enum Capabilities : uint8_t
+ {
+ Timestamp = 1,
+ Touch = 1<<1,
+ Proxy = 1<<2,
+ SingleTap = 1<<3
+ };
+
+ struct ThumbwheelInfo {
+ uint16_t nativeRes;
+ uint16_t divertedRes;
+ int8_t defaultDirection;
+ uint8_t capabilities;
+ uint16_t timeElapsed;
+ };
+
+ struct ThumbwheelStatus {
+ bool diverted;
+ bool inverted;
+ bool touch;
+ bool proxy;
+ };
+
+ enum RotationStatus : uint8_t
+ {
+ Inactive = 0,
+ Start = 1,
+ Active = 2,
+ Stop = 3
+ };
+
+ struct ThumbwheelEvent {
+ int16_t rotation;
+ uint16_t timestamp;
+ RotationStatus rotationStatus;
+ uint8_t flags;
+ };
+
+ ThumbwheelInfo getInfo();
+ ThumbwheelStatus getStatus();
+
+ ThumbwheelStatus setStatus(bool divert, bool invert);
+
+ ThumbwheelEvent thumbwheelEvent(hidpp::Report& report);
+ };
+}}}
+
+#endif //LOGID_BACKEND_HIDPP20_FEATURE_THUMBWHEEL_H