Added support for remote0

2023-10-31 20:16:41 -04:00 · 2023-10-31 20:16:41 -04:00 · 5c6e496688
commit 5c6e496688
88 changed files with 7833 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,32 @@
+# Vendored libs
+/vendor
+
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, build with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# VSCode launch settings
+.vscode/launch.json
+
+# GoLand
+.idea
+
+# Test graph.png
+graph.png
+
+# Debug
+cpu.prof
+mem.prof
+cmd/hwinfostreamdeckplugin/debug
+
+# dep cache (protoc)
+.cache/
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@ -0,0 +1,6 @@
+{
+  "files.eol": "\n",
+  "editor.formatOnSave": true,
+  "go.useLanguageServer": true,
+  "taskExplorer.pathToMake": "make"
+}
--- a/DejaVuSans-Bold.ttf
+++ b/DejaVuSans-Bold.ttf
--- a/40
+++ b/40
@ -0,0 +1,40 @@
+GOCMD=go
+GOBUILD=$(GOCMD) build
+GOCLEAN=$(GOCMD) clean
+
+SDPLUGINDIR=./com.exension.hwinfo.sdPlugin
+
+PROTOS=$(wildcard ./*/**/**/*.proto)
+PROTOPB=$(PROTOS:.proto=.pb.go)
+
+plugin: proto
+	$(GOBUILD) -o $(SDPLUGINDIR)/hwinfo.exe ./cmd/hwinfo_streamdeck_plugin
+	$(GOBUILD) -o $(SDPLUGINDIR)/hwinfo-plugin.exe ./cmd/hwinfo-plugin
+	cp ../go-hwinfo-hwservice-plugin/bin/hwinfo-plugin.exe $(SDPLUGINDIR)/hwinfo-plugin.exe
+	-@install-plugin.bat
+
+proto: $(PROTOPB)
+
+$(PROTOPB): $(PROTOS)
+	.cache/protoc/bin/protoc \
+ 		--go_out=Mgrpc/service_config/service_config.proto=/internal/proto/grpc_service_config:. \
+		--go-grpc_out=Mgrpc/service_config/service_config.proto=/internal/proto/grpc_service_config:. \
+  		--go_opt=paths=source_relative \
+		--go-grpc_opt=paths=source_relative \
+		$(<)
+
+# plugin:
+# 	-@kill-streamdeck.bat
+# 	@go build -o com.exension.hwinfo.sdPlugin\\hwinfo.exe github.com/shayne/hwinfo-streamdeck/cmd/hwinfo_streamdeck_plugin
+# 	@xcopy com.exension.hwinfo.sdPlugin $(APPDATA)\\Elgato\\StreamDeck\\Plugins\\com.exension.hwinfo.sdPlugin\\ /E /Q /Y
+# 	@start-streamdeck.bat
+
+debug:
+	$(GOBUILD) -o $(SDPLUGINDIR)/hwinfo.exe ./cmd/hwinfo_debugger
+	cp ../go-grpc-hardware-service/bin/hwinfo-plugin.exe $(SDPLUGINDIR)/hwinfo-plugin.exe
+	-@install-plugin.bat
+# @xcopy com.exension.hwinfo.sdPlugin $(APPDATA)\\Elgato\\StreamDeck\\Plugins\\com.exension.hwinfo.sdPlugin\\ /E /Q /Y
+
+release:
+	-@rm build/com.exension.hwinfo.streamDeckPlugin
+	@DistributionTool.exe -b -i com.exension.hwinfo.sdPlugin -o build
--- a/README.md
+++ b/README.md
@ -0,0 +1,78 @@
+# HWiNFO Stream Deck Plugin
+
+## ⚠⚠ Major refactor landed in pre-release v2.0.0, plugin code open sourced, remote monitoring infrastructure support ⚠⚠ 
+
+---
+
+>## Thank you & Looking for Maintainers
+>
+>Thank you everyone who has used and enjoyed this plugin. It started as a passion project and I continue to use it day to day. I am happy to finally release the full source on GitHub. When I first built it, it was closed under agreement with the HWiNFO64 project. They have since opened up the shared memory interface and now the plugin is freely open.
+>
+>I haven't had the time to dedicate to this project in some time and appreciate everyone for hanging in there. I hope to work with some of you who are eager to take the project over. I am happy and ready to hand over the reigns. If there are development questions I'm happy to share my thoughts on the code and structure that exists.
+>
+>*-Shayne*
+
+---
+
+![alt text](images/demo.gif "HWiNFO64 Stream Deck Plugin Demo")
+
+> NOTICE: HWiNFO64 must be run in Sensors-only mode for the plugin to work. 
+
+## Enabling Support in HWiNFO64
+
+> NOTICE: It has been reported that running the "portable" version of HWiNFO64 doesn't work with this plugin. The recommendation is to run the version with the installer until I can figure out the issue.
+
+1. Download and install HWiNFO64, if you haven't already
+
+    [HWiNFO Website](https://www.hwinfo.com)
+
+2. Choose "Sensors-only" mode
+
+    ![alt text](images/sensorsonly.png "HWiNFO64 Sensors Only")
+
+3. Click "Settings"
+
+    ![alt text](images/clicksettings.png "HWiNFO64 Click Settings")
+
+4. Ensure "Shared Memory Support" is checked
+
+    ![alt text](images/sharedmemory.png "HWiNFO64 Settings")
+
+5. (Optional) Recommended launch settings
+
+    ![alt text](images/recommendedsettings.png "Quit HWiNFO64")
+
+6. Click "OK" then, "Run"
+
+    > If the plugin doesn't work immediately, you may have to quit and reopen HWiNFO64.
+    >
+    > From the system tray:
+    >
+    > ![alt text](images/contextquit.png "Quit HWiNFO64")
+
+
+## Install and Setup the Plugin
+
+1. Download the latest pre-compiled plugin
+
+    [Plugin Releases](../../releases)
+
+    > When upgrading, first uninstall: within the Stream Deck app choose "More Actions..." (bottom-right), locate "HWiNFO" and choose "Uninstall". Your tiles and settings will be preserved.
+
+2. Double-click to install the plugin
+
+3. Choose "Install" went prompted by Stream Deck
+
+    ![alt text](images/streamdeckinstall.png "Stream Deck Plugin Installation")
+
+4. Locate "HWiNFO" under "Custom" in the action list
+
+    ![alt text](images/streamdeckactionlist.png "Stream Deck Action List")
+
+5. Drag the "HWiNFO" action from the list to a tile in the canvas area
+
+    ![alt text](images/dragaction.gif "Drag Action")
+
+6. Configure the action to display the sensor reading you wish
+
+    ![alt text](images/configureaction.gif "Configure Action")
--- a/build/com.exension.hwinfo.streamDeckPlugin
+++ b/build/com.exension.hwinfo.streamDeckPlugin
--- a/build/images/clicksettings.png
+++ b/build/images/clicksettings.png
--- a/build/images/configureaction.gif
+++ b/build/images/configureaction.gif
--- a/build/images/contextquit.png
+++ b/build/images/contextquit.png
--- a/build/images/demo.gif
+++ b/build/images/demo.gif
--- a/build/images/dragaction.gif
+++ b/build/images/dragaction.gif
--- a/build/images/recommendedsettings.png
+++ b/build/images/recommendedsettings.png
--- a/build/images/sensorsonly.png
+++ b/build/images/sensorsonly.png
--- a/build/images/sharedmemory.png
+++ b/build/images/sharedmemory.png
--- a/build/images/streamdeckactionlist.png
+++ b/build/images/streamdeckactionlist.png
--- a/build/images/streamdeckinstall.png
+++ b/build/images/streamdeckinstall.png
--- a/cmd/hwinfo-plugin/main.go
+++ b/cmd/hwinfo-plugin/main.go
@ -0,0 +1,31 @@
+package main
+
+import (
+	"log"
+
+	"github.com/hashicorp/go-plugin"
+	hwinfoplugin "github.com/shayne/hwinfo-streamdeck/internal/hwinfo/plugin"
+	hwsensorsservice "github.com/shayne/hwinfo-streamdeck/pkg/service"
+)
+
+func main() {
+	service := hwinfoplugin.StartService()
+	go func() {
+		for {
+			err := service.Recv()
+			if err != nil {
+				log.Printf("service recv failed: %v\n", err)
+			}
+		}
+	}()
+
+	plugin.Serve(&plugin.ServeConfig{
+		HandshakeConfig: hwsensorsservice.Handshake,
+		Plugins: map[string]plugin.Plugin{
+			"hwinfoplugin": &hwsensorsservice.HardwareServicePlugin{Impl: &hwinfoplugin.Plugin{Service: service}},
+		},
+
+		// A non-nil value here enables gRPC serving for this plugin...
+		GRPCServer: plugin.DefaultGRPCServer,
+	})
+}
--- a/cmd/hwinfo_debugger/main.go
+++ b/cmd/hwinfo_debugger/main.go
@ -0,0 +1,46 @@
+package main
+
+import (
+	"encoding/json"
+	"flag"
+	"log"
+	"os"
+	"path/filepath"
+)
+
+var port = flag.String("port", "", "The port that should be used to create the WebSocket")
+var pluginUUID = flag.String("pluginUUID", "", "A unique identifier string that should be used to register the plugin once the WebSocket is opened")
+var registerEvent = flag.String("registerEvent", "", "Registration event")
+var info = flag.String("info", "", "A stringified json containing the Stream Deck application information and devices information")
+
+func main() {
+	appdata := os.Getenv("APPDATA")
+	logpath := filepath.Join(appdata, "Elgato/StreamDeck/Plugins/com.exension.hwinfo.sdPlugin/hwinfo.log")
+	f, err := os.OpenFile(logpath, os.O_RDWR|os.O_CREATE, 0666)
+	f.Truncate(0)
+	if err != nil {
+		log.Fatalf("OpenFile Log: %v", err)
+	}
+	defer f.Close()
+	log.SetOutput(f)
+	log.SetFlags(0)
+
+	flag.Parse()
+
+	args := []string{
+		"-port",
+		*port,
+		"-pluginUUID",
+		*pluginUUID,
+		"-registerEvent",
+		*registerEvent,
+		"-info",
+		*info,
+	}
+	bytes, err := json.MarshalIndent(args, "", "    ")
+	if err != nil {
+		log.Fatal("Failed to marshal args", err)
+	}
+
+	log.Println(string(bytes))
+}
--- a/cmd/hwinfo_streamdeck_plugin/main.go
+++ b/cmd/hwinfo_streamdeck_plugin/main.go
@ -0,0 +1,69 @@
+package main
+
+import (
+	"flag"
+	"io/ioutil"
+	"log"
+
+	// "net/http"
+	// _ "net/http/pprof"
+	"os"
+	"path/filepath"
+
+	plugin "github.com/shayne/hwinfo-streamdeck/internal/app/hwinfostreamdeckplugin"
+)
+
+var port = flag.String("port", "", "The port that should be used to create the WebSocket")
+var pluginUUID = flag.String("pluginUUID", "", "A unique identifier string that should be used to register the plugin once the WebSocket is opened")
+var registerEvent = flag.String("registerEvent", "", "Registration event")
+var info = flag.String("info", "", "A stringified json containing the Stream Deck application information and devices information")
+
+func main() {
+	// go func() {
+	// 	log.Println(http.ListenAndServe("localhost:6060", nil))
+	// }()
+
+	// make sure files are read relative to exe
+	err := os.Chdir(filepath.Dir(os.Args[0]))
+	if err != nil {
+		log.Fatalf("Unable to chdir: %v", err)
+	}
+
+	// PRODUCTION
+	// LOGGING DISABLED:
+	//
+	log.SetOutput(ioutil.Discard)
+
+	// DEBUG LOGGING:
+	//
+	// appdata := os.Getenv("APPDATA")
+	// logpath := filepath.Join(appdata, "Elgato/StreamDeck/Plugins/com.exension.hwinfo.sdPlugin/hwinfo.log")
+	// f, err := os.OpenFile(logpath, os.O_RDWR|os.O_CREATE, 0666)
+	// if err != nil {
+	// 	log.Fatalf("OpenFile Log: %v", err)
+	// }
+	// err = f.Truncate(0)
+	// if err != nil {
+	// 	log.Fatalf("Truncate Log: %v", err)
+	// }
+	// defer func() {
+	// 	err := f.Close()
+	// 	if err != nil {
+	// 		log.Fatalf("File Close: %v", err)
+	// 	}
+	// }()
+	// log.SetOutput(f)
+	// log.SetFlags(0)
+
+	flag.Parse()
+
+	p, err := plugin.NewPlugin(*port, *pluginUUID, *registerEvent, *info)
+	if err != nil {
+		log.Fatal("NewPlugin failed:", err)
+	}
+
+	err = p.RunForever()
+	if err != nil {
+		log.Fatal("runForever", err)
+	}
+}
--- a/com.exension.hwinfo.sdPlugin/DejaVuSans-Bold.ttf
+++ b/com.exension.hwinfo.sdPlugin/DejaVuSans-Bold.ttf
--- a/com.exension.hwinfo.sdPlugin/css/buttons.png
+++ b/com.exension.hwinfo.sdPlugin/css/buttons.png
--- a/com.exension.hwinfo.sdPlugin/css/buttons@2x.png
+++ b/com.exension.hwinfo.sdPlugin/css/buttons@2x.png
--- a/com.exension.hwinfo.sdPlugin/css/caret.svg
+++ b/com.exension.hwinfo.sdPlugin/css/caret.svg
@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="12" height="6" viewBox="0 0 12 6">
+  <polygon fill="#8E8E92" fill-rule="evenodd" points="5 4 9 0 10 1 5 6 0 1 1 0"/>
+</svg>
--- a/com.exension.hwinfo.sdPlugin/css/check.png
+++ b/com.exension.hwinfo.sdPlugin/css/check.png
--- a/com.exension.hwinfo.sdPlugin/css/check.svg
+++ b/com.exension.hwinfo.sdPlugin/css/check.svg
@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="12" height="10" viewBox="0 0 12 10">
+  <polygon fill="#FFF" points="7.2 7.5 7.2 -1.3 8.7 -1.3 8.6 9.1 2.7 8.7 2.7 7.2" transform="rotate(37 5.718 3.896)"/>
+</svg>
--- a/com.exension.hwinfo.sdPlugin/css/elg_calendar.svg
+++ b/com.exension.hwinfo.sdPlugin/css/elg_calendar.svg
@ -0,0 +1,24 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16">
+  <g fill="none" fill-rule="evenodd">
+    <path fill="#9C9C9C" fill-rule="nonzero" d="M1,5 L1,14 L14,14 L14,5 L1,5 Z M0,1 L15,1 L15,15 L0,15 L0,1 Z M14,4 L14,2 L1,2 L1,4 L14,4 Z"/>
+    <rect width="1" height="1" x="2" fill="#9C9C9C" fill-rule="nonzero"/>
+    <rect width="1" height="1" x="12" fill="#9C9C9C" fill-rule="nonzero"/>
+    <g transform="translate(3 7)">
+      <rect width="1" height="1" x="2" fill="#9C9C9C"/>
+      <rect width="1" height="1" fill="#666"/>
+      <rect width="1" height="1" x="4" fill="#9C9C9C"/>
+      <rect width="1" height="1" x="6" fill="#9C9C9C"/>
+      <rect width="1" height="1" x="8" fill="#9C9C9C"/>
+      <rect width="1" height="1" y="2" fill="#9C9C9C"/>
+      <rect width="1" height="1" x="2" y="2" fill="#9C9C9C"/>
+      <rect width="1" height="1" x="4" y="2" fill="#9C9C9C"/>
+      <rect width="1" height="1" x="6" y="2" fill="#9C9C9C"/>
+      <rect width="1" height="1" x="8" y="2" fill="#9C9C9C"/>
+      <rect width="1" height="1" y="4" fill="#9C9C9C"/>
+      <rect width="1" height="1" x="2" y="4" fill="#9C9C9C"/>
+      <rect width="1" height="1" x="4" y="4" fill="#9C9C9C"/>
+      <rect width="1" height="1" x="6" y="4" fill="#9C9C9C"/>
+      <rect width="1" height="1" x="8" y="4" fill="#666"/>
+    </g>
+  </g>
+</svg>
--- a/com.exension.hwinfo.sdPlugin/css/elg_calendar_inv.svg
+++ b/com.exension.hwinfo.sdPlugin/css/elg_calendar_inv.svg
@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16">
+  <g fill="#9C9C9C">
+    <path d="M15,15 L1.77635684e-15,15 L1.77635684e-15,1 L15,1 L15,15 Z M5,7 L5,8 L6,8 L6,7 L5,7 Z M3,7 L3,8 L4,8 L4,7 L3,7 Z M7,7 L7,8 L8,8 L8,7 L7,7 Z M9,7 L9,8 L10,8 L10,7 L9,7 Z M11,7 L11,8 L12,8 L12,7 L11,7 Z M3,9 L3,10 L4,10 L4,9 L3,9 Z M5,9 L5,10 L6,10 L6,9 L5,9 Z M7,9 L7,10 L8,10 L8,9 L7,9 Z M9,9 L9,10 L10,10 L10,9 L9,9 Z M11,9 L11,10 L12,10 L12,9 L11,9 Z M3,11 L3,12 L4,12 L4,11 L3,11 Z M5,11 L5,12 L6,12 L6,11 L5,11 Z M7,11 L7,12 L8,12 L8,11 L7,11 Z M9,11 L9,12 L10,12 L10,11 L9,11 Z M11,11 L11,12 L12,12 L12,11 L11,11 Z M14,4 L14,2 L1,2 L1,4 L14,4 Z"/>
+    <rect width="1" height="1" x="2"/>
+    <rect width="1" height="1" x="12"/>
+  </g>
+</svg>
--- a/com.exension.hwinfo.sdPlugin/css/elg_calendar_inv_13.svg
+++ b/com.exension.hwinfo.sdPlugin/css/elg_calendar_inv_13.svg
@ -0,0 +1,9 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="13" height="13" viewBox="0 0 13 13">
+  <g fill="none">
+    <path fill="#9C9C9C" d="M13,13 L1.77635684e-15,13 L1.77635684e-15,1 L13,1 L13,13 Z M4,6 L4,7 L5,7 L5,6 L4,6 Z M6,6 L6,7 L7,7 L7,6 L6,6 Z M8,6 L8,7 L9,7 L9,6 L8,6 Z M10,6 L10,7 L11,7 L11,6 L10,6 Z M2,8 L2,9 L3,9 L3,8 L2,8 Z M4,8 L4,9 L5,9 L5,8 L4,8 Z M6,8 L6,9 L7,9 L7,8 L6,8 Z M8,8 L8,9 L9,9 L9,8 L8,8 Z M10,8 L10,9 L11,9 L11,8 L10,8 Z M2,10 L2,11 L3,11 L3,10 L2,10 Z M4,10 L4,11 L5,11 L5,10 L4,10 Z M6,10 L6,11 L7,11 L7,10 L6,10 Z M8,10 L8,11 L9,11 L9,10 L8,10 Z M12,4 L12,2 L1,2 L1,4 L12,4 Z"/>
+    <polygon fill="#3D3D3D" points="2 6 2 7 3 7 3 6"/>
+    <polygon fill="#3D3D3D" points="10 10 10 11 11 11 11 10"/>
+    <rect width="1" height="1" x="2" fill="#9C9C9C"/>
+    <rect width="1" height="1" x="10" fill="#9C9C9C"/>
+  </g>
+</svg>
--- a/com.exension.hwinfo.sdPlugin/css/local.css
+++ b/com.exension.hwinfo.sdPlugin/css/local.css
@ -0,0 +1,18 @@
+body,
+.localbody {
+  height: 100%;
+  padding: 0;
+  overflow-x: hidden;
+  overflow-y: auto;
+  margin: 0;
+  -webkit-overflow-scrolling: touch;
+}
+
+.localbody {
+  width: 350px;
+  margin: 0 auto;
+}
+
+.hidden {
+  display: block;
+}
--- a/com.exension.hwinfo.sdPlugin/css/pi_required.svg
+++ b/com.exension.hwinfo.sdPlugin/css/pi_required.svg
@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="9" height="9" viewBox="0 0 9 9">
+  <path fill="#D8D8D8" d="M4.5,0 C6.98528137,-4.56538782e-16 9,2.01471863 9,4.5 C9,6.98528137 6.98528137,9 4.5,9 C2.01471863,9 3.04359188e-16,6.98528137 0,4.5 C-3.04359188e-16,2.01471863 2.01471863,4.56538782e-16 4.5,0 Z M4,1 L4,6 L5,6 L5,1 L4,1 Z M4.5,8 C4.77614237,8 5,7.77614237 5,7.5 C5,7.22385763 4.77614237,7 4.5,7 C4.22385763,7 4,7.22385763 4,7.5 C4,7.77614237 4.22385763,8 4.5,8 Z"/>
+</svg>
--- a/com.exension.hwinfo.sdPlugin/css/pi_required_ok.svg
+++ b/com.exension.hwinfo.sdPlugin/css/pi_required_ok.svg
@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="9" height="9" viewBox="0 0 9 9">
+  <polygon fill="#D8D8D8" points="5.2 1 6.2 1 6.2 7 3.2 7 3.2 6 5.2 6" transform="rotate(40 4.677 4)"/>
+</svg>
--- a/com.exension.hwinfo.sdPlugin/css/rcheck.svg
+++ b/com.exension.hwinfo.sdPlugin/css/rcheck.svg
@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="6" height="6" viewBox="0 0 6 6">
+  <circle cx="3" cy="3" r="3" fill="#FFF"/>
+</svg>
--- a/com.exension.hwinfo.sdPlugin/css/reset.min.css
+++ b/com.exension.hwinfo.sdPlugin/css/reset.min.css
@ -0,0 +1,43 @@
+html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote,
+pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd,
+q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt,
+dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot,
+thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption,
+footer, header, hgroup, menu, nav, output, ruby, section, summary, time,
+mark, audio, video {
+    margin: 0;
+    padding: 0;
+    border: 0;
+    font-size: 100%;
+    font: inherit;
+    vertical-align: baseline
+}
+
+article, aside, details, figcaption, figure, footer, header, hgroup,
+menu, nav, section {
+    display: block
+}
+
+body {
+    line-height: 1
+}
+
+ol, ul {
+    list-style: none
+}
+
+blockquote, q {
+    quotes: none
+}
+
+blockquote:before, blockquote:after, q:before, q:after {
+    content: '';
+    content: none
+}
+
+table {
+    border-collapse: collapse;
+    border-spacing: 0
+}
+
+
--- a/com.exension.hwinfo.sdPlugin/css/sdpi.css
+++ b/com.exension.hwinfo.sdPlugin/css/sdpi.css
--- a/com.exension.hwinfo.sdPlugin/css/xsdpi.css
+++ b/com.exension.hwinfo.sdPlugin/css/xsdpi.css
--- a/com.exension.hwinfo.sdPlugin/defaultImage.png
+++ b/com.exension.hwinfo.sdPlugin/defaultImage.png
--- a/com.exension.hwinfo.sdPlugin/defaultImage@2x.png
+++ b/com.exension.hwinfo.sdPlugin/defaultImage@2x.png
--- a/com.exension.hwinfo.sdPlugin/icon.png
+++ b/com.exension.hwinfo.sdPlugin/icon.png
--- a/com.exension.hwinfo.sdPlugin/icon@2x.png
+++ b/com.exension.hwinfo.sdPlugin/icon@2x.png
--- a/com.exension.hwinfo.sdPlugin/index_pi.html
+++ b/com.exension.hwinfo.sdPlugin/index_pi.html
@ -0,0 +1,169 @@
+<!DOCTYPE html>
+<html>
+
+<head>
+  <meta charset="utf-8" />
+  <meta name="viewport"
+    content="width=device-width,initial-scale=1,maximum-scale=1,minimum-scale=1,user-scalable=no,minimal-ui,viewport-fit=cover" />
+  <meta name="apple-mobile-web-app-capable" content="yes" />
+  <meta name="apple-mobile-web-app-status-bar-style" content="black" />
+  <title>Property Inspector Samples PI</title>
+  <link rel="stylesheet" href="css/sdpi.css" />
+  <!--link rel="stylesheet" 
+              media="screen and (max-width: 1025px)" 
+              href="css/local.css" -->
+  <link rel="stylesheet" href="css/local.css" />
+  <style>
+    #error {
+      display: none;
+    }
+
+    #sensorSelect {
+      max-width: 226px;
+      padding-right: 25px;
+      font-family: monospace;
+    }
+
+    #sensorSelect option {
+      font-family: monospace;
+    }
+
+    #readingSelect {
+      max-width: 226px;
+      padding-right: 25px;
+      font-family: monospace;
+    }
+
+    #readingSelect option {
+      font-family: monospace;
+    }
+  </style>
+</head>
+
+<body>
+  <div id="error" class="sdpi-wrapper localbody hiddenx">
+    <div class="sdpi-heading">Plugin Error</div>
+    <div class="sdpi-item">
+      <details open class="message caution">
+        <summary>Unable To Communicate With HWiNFO64</summary>
+        <p>
+          The plugin is unable to communicate with HWiNFO64
+        </p>
+        <p>Make sure it's running and configured properly</p>
+        <p>
+          For help on how to properly setup HWiNFO64, refer to the
+          <a class="info" target="_blank"
+            href="https://github.com/exension/hwinfo-streamdeck/blob/master/README.md#hwinfo-stream-deck-plugin">
+            documentation
+          </a>
+        </p>
+      </details>
+    </div>
+  </div>
+
+  <div id="ui" class="sdpi-wrapper localbody hiddenx">
+    <div class="sdpi-heading">Font Sizes</div>
+
+    <div type="range" class="sdpi-item" id="titleFontSize">
+      <div class="sdpi-item-label">Title</div>
+      <div class="sdpi-item-value">
+        <span value="8">8</span>
+        <input type="range" min="8" max="20" step="0.5" value="10.5" list="steplist" />
+        <span value="20">20</span>
+      </div>
+    </div>
+
+    <div type="range" class="sdpi-item" id="valueFontSize">
+      <div class="sdpi-item-label">Value</div>
+      <div class="sdpi-item-value">
+        <span value="8">8</span>
+        <input type="range" min="8" max="20" step="0.5" value="10.5" />
+        <span value="20">20</span>
+      </div>
+    </div>
+
+    <div class="sdpi-heading">HWiNFO Sensors</div>
+
+    <div class="sdpi-item">
+      <div class="sdpi-item-label">Sensor</div>
+      <select class="sdpi-item-value select" id="sensorSelect" disabled="disabled">
+        <option>Loading...</option>
+      </select>
+    </div>
+
+    <div class="sdpi-item" id="readingSelectContainer">
+      <div class="sdpi-item-label">Reading</div>
+      <select class="sdpi-item-value select" id="readingSelect" disabled="disabled">
+        <option></option>
+      </select>
+    </div>
+
+    <div class="sdpi-heading">Value Params</div>
+
+    <div type="sdpi-item" class="sdpi-item" id="paramsgroup">
+      <div class="sdpi-item-label">Min/Max</div>
+
+      <div class="sdpi-item" id="minmax" style="margin-left: -4px">
+        <input class="sdpi-item-value" style="width:4em" placeholder="Min" inputmode="numeric" pattern="[0-9]*"
+          type="number" id="min" name="min" />
+        <input class="sdpi-item-value" style="margin-left: -7px; width:4em" placeholder=" Max" inputmode="numeric"
+          pattern="[0-9]*" type="number" id="max" name="max" />
+      </div>
+    </div>
+
+    <details id="advanced_details">
+      <summary>Advanced</summary>
+      <div class="sdpi-item" id="format">
+        <div class="sdpi-item-label">Format</div>
+        <input class="sdpi-item-value" placeholder="%.0f (no decimals)" type="text" name="format" value="" />
+      </div>
+      <div class="sdpi-item">
+        <details open class="message question noInnerMargins">
+          <summary>Help</summary>
+          <p>Format can be used to modify format of the value.</p>
+          <p>
+            For more information on how to use this field,
+            <a target="_BLANK" href="#"
+              onclick="openUrl('https://gobyexample.com/string-formatting'); return false;">click here</a>.
+          </p>
+        </details>
+      </div>
+
+      <div class="sdpi-item" id="divisor">
+        <div class="sdpi-item-label">Divisor</div>
+        <input class="sdpi-item-value" placeholder="e.g. 125 (for bytes to megabits)" inputmode="numeric"
+          pattern="[0-9]*" min="1" type="number" name="divisor" />
+      </div>
+      <div class="sdpi-item">
+        <details open class="message question noInnerMargins">
+          <summary>Help</summary>
+          <p>Divisor can be used to convert the value.</p>
+          <p>
+            For example, converting bytes to megabits, set the divisor to:
+            "125"
+          </p>
+        </details>
+      </div>
+    </details>
+
+    <div class="sdpi-heading">Graph Colors</div>
+
+    <div type="color" class="sdpi-item" id="colorselection">
+      <div class="sdpi-item-label">Background</div>
+      <input type="color" class="sdpi-item-value" id="background" value="#000000" />
+      <div class="sdpi-item-label">Value Text</div>
+      <input type="color" class="sdpi-item-value" id="valuetext" value="#ffffff" />
+    </div>
+
+    <div type="color" class="sdpi-item" id="colorselection">
+      <div class="sdpi-item-label">Foreground</div>
+      <input type="color" class="sdpi-item-value" id="foreground" value="#005128" />
+      <div class="sdpi-item-label">Highlight</div>
+      <input type="color" class="sdpi-item-value" id="highlight" value="#009e00" />
+    </div>
+  </div>
+  <!-- <script src="echomd.js"></script> -->
+  <script src="index_pi.js"></script>
+</body>
+
+</html>
--- a/com.exension.hwinfo.sdPlugin/index_pi.js
+++ b/com.exension.hwinfo.sdPlugin/index_pi.js
@ -0,0 +1,571 @@
+// this is our global websocket, used to communicate from/to Stream Deck software
+// and some info about our plugin, as sent by Stream Deck software
+var websocket = null,
+  uuid = null,
+  actionInfo = {},
+  inInfo = {},
+  runningApps = [],
+  isQT = navigator.appVersion.includes("QtWebEngine"),
+  onchangeevt = "onchange"; // 'oninput'; // change this, if you want interactive elements act on any change, or while they're modified
+
+function connectElgatoStreamDeckSocket(inPort, inUUID, inRegisterEvent, inInfo, inActionInfo) {
+  uuid = inUUID;
+  // please note: the incoming arguments are of type STRING, so
+  // in case of the inActionInfo, we must parse it into JSON first
+  actionInfo = JSON.parse(inActionInfo); // cache the info
+  inInfo = JSON.parse(inInfo);
+  websocket = new WebSocket("ws://localhost:" + inPort);
+
+  /** Since the PI doesn't have access to native settings
+   * Stream Deck sends some color settings to PI
+   * We use these to adjust some styles (e.g. highlight-colors for checkboxes)
+   */
+  addDynamicStyles(inInfo.colors, "connectSocket");
+  initPropertyInspector(5);
+
+  // if connection was established, the websocket sends
+  // an 'onopen' event, where we need to register our PI
+  websocket.onopen = function () {
+    var json = {
+      event: inRegisterEvent,
+      uuid: inUUID,
+    };
+    // register property inspector to Stream Deck
+    websocket.send(JSON.stringify(json));
+    sendValueToPlugin("propertyInspectorConnected", "property_inspector");
+  };
+
+  websocket.onmessage = function (evt) {
+    // Received message from Stream Deck
+    var jsonObj = JSON.parse(evt.data);
+    var event = jsonObj["event"];
+    if (
+      "boolean" === typeof getPropFromString(jsonObj, "payload.error") &&
+      event === "sendToPropertyInspector"
+    ) {
+      if (jsonObj.payload.error === true) {
+        document.querySelector("#ui").style = "display:none";
+        document.querySelector("#error").style = "display:block";
+      } else if (jsonObj.payload.message === "show_ui") {
+        document.querySelector("#ui").style = "display:block";
+        document.querySelector("#error").style = "display:none";
+        sendValueToPlugin("propertyInspectorConnected", "property_inspector");
+      }
+    }
+    if (
+      getPropFromString(jsonObj, "payload.sensors") &&
+      event === "sendToPropertyInspector"
+    ) {
+      addSensors(
+        document.querySelector("#sensorSelect"),
+        jsonObj.payload.sensors,
+        jsonObj.payload.settings
+      );
+    }
+    if (
+      getPropFromString(jsonObj, "payload.readings") &&
+      event === "sendToPropertyInspector"
+    ) {
+      addReadings(
+        document.querySelector("#readingSelect"),
+        jsonObj.payload.readings,
+        jsonObj.payload.settings
+      );
+    }
+    if (getPropFromString(jsonObj, "payload.settings")) {
+      var settings = jsonObj.payload.settings;
+      if (settings.min === 0 && settings.max === 0) {
+        // don't show 0, 0 min/max
+      } else {
+        document.querySelector("#min").value = settings.min;
+        document.querySelector("#max").value = settings.max;
+      }
+      document.querySelector("#format input").value = settings.format;
+      document.querySelector("#divisor input").value = settings.divisor || "";
+      if (
+        settings.format.length > 0 ||
+        (settings.divisor && settings.divisor.length > 0)
+      ) {
+        var attr = document.createAttribute("open");
+        attr.value = "open";
+        document
+          .querySelector("#advanced_details")
+          .attributes.setNamedItem(attr);
+      }
+      if (settings.foregroundColor !== "") {
+        document.querySelector("#foreground").value = settings.foregroundColor;
+      }
+      if (settings.backgroundColor !== "") {
+        document.querySelector("#background").value = settings.backgroundColor;
+      }
+      if (settings.highlightColor !== "") {
+        document.querySelector("#highlight").value = settings.highlightColor;
+      }
+      if (settings.valueTextColor !== "") {
+        document.querySelector("#valuetext").value = settings.valueTextColor;
+      }
+      if (settings.titleFontSize !== "") {
+        document.querySelector("#titleFontSize input").value =
+          settings.titleFontSize || 10.5;
+      }
+      if (settings.valueFontSize !== "") {
+        document.querySelector("#valueFontSize input").value =
+          settings.valueFontSize || 10.5;
+      }
+    }
+  };
+}
+
+function sortBy(key) {
+  return function (a, b) {
+    if (a[key] > b[key]) return 1;
+    if (b[key] > a[key]) return -1;
+    return 0;
+  };
+}
+
+function addSensors(el, sensors, settings) {
+  var i;
+  for (i = el.options.length - 1; i >= 0; i--) {
+    el.remove(i);
+  }
+
+  el.removeAttribute("disabled");
+
+  var option = document.createElement("option");
+  option.text = "Choose a sensor";
+  option.disabled = true;
+  if (settings.isValid !== true) {
+    option.selected = true;
+  }
+  el.add(option);
+  var sortByName = sortBy("name");
+  sensors.sort(sortByName).forEach((s) => {
+    var option = document.createElement("option");
+    option.text = s.name;
+    option.value = s.uid;
+    if (settings.isValid === true && settings.sensorUid === s.uid) {
+      option.selected = true;
+      setTimeout(function () {
+        var event = new Event("change");
+        el.dispatchEvent(event);
+      }, 0);
+    }
+    el.add(option);
+  });
+}
+
+function addReadings(el, readings, settings) {
+  var i;
+  for (i = el.options.length - 1; i >= 0; i--) {
+    el.remove(i);
+  }
+
+  el.removeAttribute("disabled");
+
+  var option = document.createElement("option");
+  option.text = "Choose a reading";
+  option.disabled = true;
+  if (settings.isValid !== true) {
+    option.selected = true;
+  }
+  el.add(option);
+
+  var sortByLabel = sortBy("label");
+  var maxL = 0;
+  readings.sort(sortByLabel).forEach((r) => {
+    var l = r.prefix.length;
+    if (l > maxL) {
+      maxL = l;
+    }
+  });
+  readings.sort(sortByLabel).forEach((r) => {
+    var option = document.createElement("option");
+    option.style = "white-space: pre";
+    var spaces = "&nbsp;";
+    for (i = 0; i < maxL - r.prefix.length; ++i) {
+      spaces += "&nbsp;";
+    }
+    option.innerHTML = `${r.prefix}${spaces}${r.label}`;
+    option.value = r.id;
+    if (settings.isValid === true && settings.readingId === r.id) {
+      option.selected = true;
+    }
+    el.add(option);
+  });
+}
+
+function initPropertyInspector(initDelay) {
+  prepareDOMElements(document);
+}
+
+function revealSdpiWrapper() {
+  const el = document.querySelector(".sdpi-wrapper");
+  el && el.classList.remove("hidden");
+}
+
+// openUrl in default browser
+function openUrl(url) {
+  if (websocket && websocket.readyState === 1) {
+    const json = {
+      event: "openUrl",
+      payload: {
+        url: url,
+      },
+    };
+    websocket.send(JSON.stringify(json));
+  }
+}
+
+// our method to pass values to the plugin
+function sendValueToPlugin(value, param) {
+  if (websocket && websocket.readyState === 1) {
+    const json = {
+      action: actionInfo["action"],
+      event: "sendToPlugin",
+      context: uuid,
+      payload: {
+        [param]: value,
+      },
+    };
+    websocket.send(JSON.stringify(json));
+  }
+}
+
+if (!isQT) {
+  document.addEventListener("DOMContentLoaded", function () {
+    initPropertyInspector(100);
+  });
+}
+
+/** the beforeunload event is fired, right before the PI will remove all nodes */
+window.addEventListener("beforeunload", function (e) {
+  e.preventDefault();
+  sendValueToPlugin("propertyInspectorWillDisappear", "property_inspector");
+  // Don't set a returnValue to the event, otherwise Chromium with throw an error.  // e.returnValue = '';
+});
+
+/** the pagehide event is fired, when the view disappears */
+/*
+window.addEventListener('pagehide', function (event) {
+    console.log('%c%s','background: green; font-size: 22px; font-weight: bold;','window --->> pagehide.');
+    sendValueToPlugin('propertyInspectorPagehide', 'property_inspector');
+
+});
+*/
+
+/** the unload event is fired, when the PI will finally disappear */
+/*
+window.addEventListener('unload', function (event) {
+    console.log('%c%s','background: orange; font-size: 22px; font-weight: bold;','window --->> onunload.');
+    sendValueToPlugin('propertyInspectorDisconnected', 'property_inspector');
+});
+*/
+
+/** if you prefer, you can apply these listeners to PI's body, like so:
+ *
+ * <body onpagehide="sendValueToPlugin('propertyInspectorPagehide', 'property_inspector');">
+ *
+ * <body onunload="sendValueToPlugin('propertyInspectorDisconnected', 'property_inspector');">
+ */
+
+/** CREATE INTERACTIVE HTML-DOM
+ * where elements can be clicked or act on their 'change' event.
+ * Messages are then processed using the 'handleSdpiItemClick' method below.
+ */
+
+function prepareDOMElements(baseElement) {
+  baseElement = baseElement || document;
+  Array.from(baseElement.querySelectorAll(".sdpi-item-value")).forEach(
+    (el, i) => {
+      const elementsToClick = [
+        "BUTTON",
+        "OL",
+        "UL",
+        "TABLE",
+        "METER",
+        "PROGRESS",
+        "CANVAS",
+      ].includes(el.tagName);
+      const evt = elementsToClick ? "onclick" : onchangeevt || "onchange";
+      // console.log(el.type, el.tagName, elementsToClick, el, evt);
+
+      /** Look for <input><span> combinations, where we consider the span as label for the input
+       * we don't use `labels` for that, because a range could have 2 labels.
+       */
+      const inputGroup = el.querySelectorAll("input, span");
+      if (inputGroup.length === 2) {
+        const offs = inputGroup[0].tagName === "INPUT" ? 1 : 0;
+        inputGroup[offs].innerText = inputGroup[1 - offs].value;
+        inputGroup[1 - offs]["oninput"] = function () {
+          inputGroup[offs].innerText = inputGroup[1 - offs].value;
+        };
+      }
+      /** We look for elements which have an 'clickable' attribute
+       * we use these e.g. on an 'inputGroup' (<span><input type="range"><span>) to adjust the value of
+       * the corresponding range-control
+       */
+      Array.from(el.querySelectorAll(".clickable")).forEach((subel, subi) => {
+        subel["onclick"] = function (e) {
+          handleSdpiItemClick(e.target, subi);
+        };
+      });
+      el[evt] = function (e) {
+        handleSdpiItemClick(e.target, i);
+      };
+    }
+  );
+
+  baseElement.querySelectorAll("textarea").forEach((e) => {
+    const maxl = e.getAttribute("maxlength");
+    e.targets = baseElement.querySelectorAll(`[for='${e.id}']`);
+    if (e.targets.length) {
+      let fn = () => {
+        for (let x of e.targets) {
+          x.innerText = maxl
+            ? `${e.value.length}/${maxl}`
+            : `${e.value.length}`;
+        }
+      };
+      fn();
+      e.onkeyup = fn;
+    }
+  });
+}
+
+function handleSdpiItemClick(e, idx) {
+  /** Following items are containers, so we won't handle clicks on them */
+  if (["OL", "UL", "TABLE"].includes(e.tagName)) {
+    return;
+  }
+  // console.log('--- handleSdpiItemClick ---', e, `type: ${e.type}`, e.tagName, `inner: ${e.innerText}`);
+
+  /** SPANS are used inside a control as 'labels'
+   * If a SPAN element calls this function, it has a class of 'clickable' set and is thereby handled as
+   * clickable label.
+   */
+
+  if (e.tagName === "SPAN") {
+    const inp = e.parentNode.querySelector("input");
+    if (e.getAttribute("value")) {
+      return inp && (inp.value = e.getAttribute("value"));
+    }
+  }
+
+  const selectedElements = [];
+  const isList = ["LI", "OL", "UL", "DL", "TD"].includes(e.tagName);
+  const sdpiItem = e.closest(".sdpi-item");
+  const sdpiItemGroup = e.closest(".sdpi-item-group");
+  let sdpiItemChildren = isList
+    ? sdpiItem.querySelectorAll(e.tagName === "LI" ? "li" : "td")
+    : sdpiItem.querySelectorAll(".sdpi-item-child > input");
+
+  if (isList) {
+    const siv = e.closest(".sdpi-item-value");
+    if (!siv.classList.contains("multi-select")) {
+      for (let x of sdpiItemChildren) x.classList.remove("selected");
+    }
+    if (!siv.classList.contains("no-select")) {
+      e.classList.toggle("selected");
+    }
+  }
+
+  if (sdpiItemGroup && !sdpiItemChildren.length) {
+    for (let x of ["input", "meter", "progress"]) {
+      sdpiItemChildren = sdpiItemGroup.querySelectorAll(x);
+      if (sdpiItemChildren.length) break;
+    }
+  }
+
+  if (e.selectedIndex) {
+    idx = e.selectedIndex;
+  } else {
+    sdpiItemChildren.forEach((ec, i) => {
+      if (ec.classList.contains("selected")) {
+        selectedElements.push(ec.innerText);
+      }
+      if (ec === e) idx = i;
+    });
+  }
+
+  const returnValue = {
+    key: e.id || sdpiItem.id,
+    value: isList
+      ? e.innerText
+      : e.value
+        ? e.type === "file"
+          ? decodeURIComponent(e.value.replace(/^C:\\fakepath\\/, ""))
+          : e.value
+        : e.getAttribute("value"),
+    group: sdpiItemGroup ? sdpiItemGroup.id : false,
+    index: idx,
+    selection: selectedElements,
+    checked: e.checked,
+  };
+
+  /** Just simulate the original file-selector:
+   * If there's an element of class '.sdpi-file-info'
+   * show the filename there
+   */
+  if (e.type === "file") {
+    const info = sdpiItem.querySelector(".sdpi-file-info");
+    if (info) {
+      const s = returnValue.value.split("/").pop();
+      info.innerText =
+        s.length > 28
+          ? s.substr(0, 10) + "..." + s.substr(s.length - 10, s.length)
+          : s;
+    }
+  }
+
+  sendValueToPlugin(returnValue, "sdpi_collection");
+}
+
+function updateKeyForDemoCanvas(cnv) {
+  sendValueToPlugin(
+    {
+      key: "your_canvas",
+      value: cnv.toDataURL(),
+    },
+    "sdpi_collection"
+  );
+}
+
+/** Stream Deck software passes system-highlight color information
+ * to Property Inspector. Here we 'inject' the CSS styles into the DOM
+ * when we receive this information. */
+
+function addDynamicStyles(clrs, fromWhere) {
+  const node =
+    document.getElementById("#sdpi-dynamic-styles") ||
+    document.createElement("style");
+  if (!clrs.mouseDownColor)
+    clrs.mouseDownColor = fadeColor(clrs.highlightColor, -100);
+  const clr = clrs.highlightColor.slice(0, 7);
+  const clr1 = fadeColor(clr, 100);
+  const clr2 = fadeColor(clr, 60);
+  const metersActiveColor = fadeColor(clr, -60);
+
+  node.setAttribute("id", "sdpi-dynamic-styles");
+  node.innerHTML = `
+
+    input[type="radio"]:checked + label span,
+    input[type="checkbox"]:checked + label span {
+        background-color: ${clrs.highlightColor};
+    }
+
+    input[type="radio"]:active:checked + label span,
+    input[type="radio"]:active + label span,
+    input[type="checkbox"]:active:checked + label span,
+    input[type="checkbox"]:active + label span {
+      background-color: ${clrs.mouseDownColor};
+    }
+
+    input[type="radio"]:active + label span,
+    input[type="checkbox"]:active + label span {
+      background-color: ${clrs.buttonPressedBorderColor};
+    }
+
+    td.selected,
+    td.selected:hover,
+    li.selected:hover,
+    li.selected {
+      color: white;
+      background-color: ${clrs.highlightColor};
+    }
+
+    .sdpi-file-label > label:active,
+    .sdpi-file-label.file:active,
+    label.sdpi-file-label:active,
+    label.sdpi-file-info:active,
+    input[type="file"]::-webkit-file-upload-button:active,
+    button:active {
+      background-color: ${clrs.buttonPressedBackgroundColor};
+      color: ${clrs.buttonPressedTextColor};
+      border-color: ${clrs.buttonPressedBorderColor};
+    }
+
+    ::-webkit-progress-value,
+    meter::-webkit-meter-optimum-value {
+        background: linear-gradient(${clr2}, ${clr1} 20%, ${clr} 45%, ${clr} 55%, ${clr2})
+    }
+
+    ::-webkit-progress-value:active,
+    meter::-webkit-meter-optimum-value:active {
+        background: linear-gradient(${clr}, ${clr2} 20%, ${metersActiveColor} 45%, ${metersActiveColor} 55%, ${clr})
+    }
+    `;
+  document.body.appendChild(node);
+}
+
+/** UTILITIES */
+
+/** Helper function to construct a list of running apps
+ * from a template string.
+ * -> information about running apps is received from the plugin
+ */
+
+function sdpiCreateList(el, obj, cb) {
+  if (el) {
+    el.style.display = obj.value.length ? "block" : "none";
+    Array.from(document.querySelectorAll(`.${el.id}`)).forEach((subel, i) => {
+      subel.style.display = obj.value.length ? "flex" : "none";
+    });
+    if (obj.value.length) {
+      el.innerHTML = `<div class="sdpi-item" ${obj.type ? `class="${obj.type}"` : ""
+        } id="${obj.id || window.btoa(new Date().getTime().toString()).substr(0, 8)
+        }">
+            <div class="sdpi-item-label">${obj.label || ""}</div>
+            <ul class="sdpi-item-value ${obj.selectionType ? obj.selectionType : ""
+        }">
+                    ${obj.value.map((e) => `<li>${e.name}</li>`).join("")}
+                </ul>
+            </div>`;
+      setTimeout(function () {
+        prepareDOMElements(el);
+        if (cb) cb();
+      }, 10);
+      return;
+    }
+  }
+  if (cb) cb();
+}
+
+/** get a JSON property from a (dot-separated) string
+ * Works on nested JSON, e.g.:
+ * jsn = {
+ *      propA: 1,
+ *      propB: 2,
+ *      propC: {
+ *          subA: 3,
+ *          subB: {
+ *             testA: 5,
+ *             testB: 'Hello'
+ *          }
+ *      }
+ *  }
+ *  getPropFromString(jsn,'propC.subB.testB') will return 'Hello';
+ */
+const getPropFromString = (jsn, str, sep = ".") => {
+  const arr = str.split(sep);
+  return arr.reduce(
+    (obj, key) => (obj && obj.hasOwnProperty(key) ? obj[key] : undefined),
+    jsn
+  );
+};
+
+/*
+    Quick utility to lighten or darken a color (doesn't take color-drifting, etc. into account)
+    Usage:
+    fadeColor('#061261', 100); // will lighten the color
+    fadeColor('#200867'), -100); // will darken the color
+*/
+function fadeColor(col, amt) {
+  const min = Math.min,
+    max = Math.max;
+  const num = parseInt(col.replace(/#/g, ""), 16);
+  const r = min(255, max((num >> 16) + amt, 0));
+  const g = min(255, max((num & 0x0000ff) + amt, 0));
+  const b = min(255, max(((num >> 8) & 0x00ff) + amt, 0));
+  return "#" + (g | (b << 8) | (r << 16)).toString(16).padStart(6, 0);
+}
--- a/com.exension.hwinfo.sdPlugin/launch-hwinfo.png
+++ b/com.exension.hwinfo.sdPlugin/launch-hwinfo.png
--- a/com.exension.hwinfo.sdPlugin/manifest.json
+++ b/com.exension.hwinfo.sdPlugin/manifest.json
@ -0,0 +1,41 @@
+{
+  "SDKVersion": 2,
+  "Software": {
+    "MinimumVersion": "4.1"
+  },
+  "Actions": [
+    {
+      "Icon": "icon",
+      "Name": "HWiNFO",
+      "States": [
+        {
+          "Image": "defaultImage",
+          "TitleAlignment": "top",
+          "FontSize": "9",
+          "TitleColor": "#b7b7b7",
+          "ShowTitle": false
+        }
+      ],
+      "SupportedInMultiActions": false,
+      "Tooltip": "Display sensor readings from HWiNFO",
+      "UUID": "com.exension.hwinfo.reading"
+    }
+  ],
+  "Author": "shayne",
+  "CodePathWin": "hwinfo.exe",
+  "PropertyInspectorPath": "index_pi.html",
+  "Description": "Display sensor readings from HWiNFO64. This plugin is not affiliated with HWiNFO64, for more information and to download HWiNFO64 visit https://www.hwinfo.com",
+  "Name": "HWiNFO",
+  "Icon": "pluginIcon",
+  "URL": "https://github.com/shayne/hwinfo-streamdeck",
+  "Version": "2.0.5",
+  "ApplicationsToMonitor": {
+    "windows": ["HWiNFO64.EXE", "HWiNFO64.exe"]
+  },
+  "OS": [
+    {
+      "Platform": "windows",
+      "MinimumVersion": "10"
+    }
+  ]
+}
--- a/com.exension.hwinfo.sdPlugin/pluginIcon.png
+++ b/com.exension.hwinfo.sdPlugin/pluginIcon.png
--- a/com.exension.hwinfo.sdPlugin/pluginIcon@2x.png
+++ b/com.exension.hwinfo.sdPlugin/pluginIcon@2x.png
--- a/com.exension.hwinfo.streamDeckPlugin
+++ b/com.exension.hwinfo.streamDeckPlugin
--- a/examples/bench/DejaVuSans-Bold.ttf
+++ b/examples/bench/DejaVuSans-Bold.ttf
--- a/examples/bench/main.go
+++ b/examples/bench/main.go
@ -0,0 +1,14 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"runtime"
+)
+
+func main() {
+	_, filename, _, _ := runtime.Caller(0)
+	fmt.Println("Current test filename: " + filename)
+	os.Chdir(filepath.Dir(filename))
+}
--- a/examples/bench/main_test.go
+++ b/examples/bench/main_test.go
@ -0,0 +1,61 @@
+package main
+
+import (
+	"fmt"
+	"image/color"
+	"os"
+	"path/filepath"
+	"runtime"
+	"testing"
+
+	"github.com/shayne/hwinfo-streamdeck/pkg/graph"
+)
+
+func BenchmarkFoo(b *testing.B) {
+	_, filename, _, _ := runtime.Caller(0)
+	fmt.Println("Current test filename: " + filename)
+	os.Chdir(filepath.Dir(filename))
+
+	g := graph.NewGraph(72, 72, 0., 100.,
+		&color.RGBA{255, 255, 255, 255},
+		&color.RGBA{0, 0, 0, 255},
+		&color.RGBA{255, 255, 255, 255})
+	g.SetLabel(0, "CPU °C", 15, &color.RGBA{183, 183, 183, 255})
+	g.SetLabel(1, "5%", 40, &color.RGBA{255, 255, 255, 255})
+
+	data := []float64{
+		0., 0., 0., 0., 0.,
+		10., 10., 10., 10., 10.,
+		20., 20., 20., 20., 20.,
+		30., 30., 30., 30., 30.,
+		40., 40., 40., 40., 40.,
+		50., 50., 50., 50., 50.,
+		60., 60., 60., 60., 60.,
+		70., 70., 70., 70., 70.,
+		80., 80., 80., 80., 80.,
+		90., 90., 90., 90., 90.,
+		100., 100., 100., 100., 100.,
+		// 0., 0., 0., 0., 0.,
+		// 10., 10., 10., 10., 10.,
+		// 20., 20., 20., 20., 20.,
+		// 30., 30., 30., 30., 30.,
+		// 40., 40., 40., 40., 40.,
+		// 50., 50., 50., 50., 50.,
+		// 60., 60., 60., 60., 60.,
+		// 70., 70., 70., 70., 70.,
+		// 80., 80., 80., 80., 80.,
+		// 90., 90., 90., 90., 90.,
+		// 100., 100., 100., 100., 100.,
+	}
+	_ = data // FIXME
+	for i := 0; i < b.N; i++ {
+		// FIXME: updateChart does not exist
+		// for _, v := range data {
+		// 	g.UpdateChart(v)
+		// }
+		_, err := g.EncodePNG()
+		if err != nil {
+			b.Fatal("failed to encode png")
+		}
+	}
+}
--- a/examples/graph/main.go
+++ b/examples/graph/main.go
@ -0,0 +1,86 @@
+package main
+
+import (
+	"fmt"
+	"image/color"
+	"io/ioutil"
+	"log"
+	"math/rand"
+	"time"
+
+	"github.com/shayne/hwinfo-streamdeck/pkg/graph"
+)
+
+const (
+	dev = 40
+)
+
+func main() {
+	g := graph.NewGraph(72, 72, 0., 100.,
+		&color.RGBA{255, 255, 255, 255},
+		&color.RGBA{0, 0, 0, 255},
+		&color.RGBA{255, 255, 255, 255})
+	g.SetLabel(0, "CPU °C", 15, &color.RGBA{183, 183, 183, 255})
+	g.SetLabel(1, "5%", 40, &color.RGBA{255, 255, 255, 255})
+
+	data := makeFakeData()
+	// data := []float64{
+	// 	0., 0., 0., 0., 0.,
+	// 	10., 10., 10., 10., 10.,
+	// 	20., 20., 20., 20., 20.,
+	// 	30., 30., 30., 30., 30.,
+	// 	40., 40., 40., 40., 40.,
+	// 	50., 50., 50., 50., 50.,
+	// 	60., 60., 60., 60., 60.,
+	// 	70., 70., 70., 70., 70.,
+	// 	80., 80., 80., 80., 80.,
+	// 	90., 90., 90., 90., 90.,
+	// 	100., 100., 100., 100., 100.,
+	// }
+	for _, v := range data {
+		g.Update(v)
+	}
+	lastv := data[len(data)-1]
+
+	ticker := time.NewTicker(time.Second)
+	for {
+		select {
+		case <-ticker.C:
+			s := rand.NewSource(time.Now().UnixNano())
+			r := rand.New(s)
+			ndev := r.Intn(dev) - (dev / 2)
+			v := lastv + float64(ndev)
+			if v > 100 {
+				v = 100
+			} else if v < 0 {
+				v = 0
+			}
+			fmt.Println(v)
+			g.Update(v)
+			lastv = v
+			bts, err := g.EncodePNG()
+			if err != nil {
+				log.Fatal("failed to encode png")
+			}
+			err = ioutil.WriteFile("graph.png", bts, 0644)
+			if err != nil {
+				log.Fatal("failed to write png")
+			}
+		}
+	}
+}
+
+func makeFakeData() []float64 {
+	s := rand.NewSource(time.Now().UnixNano())
+	r := rand.New(s)
+	data := make([]float64, 72)
+	v := r.Intn(100)
+	lastv := v
+	data[0] = float64(v)
+	for i := 1; i < 72; i++ {
+		ndev := r.Intn(dev) - (dev / 2)
+		v = lastv + ndev
+		data[i] = float64(v)
+	}
+	return data
+}
--- a/go.mod
+++ b/go.mod
@ -0,0 +1,28 @@
+module github.com/shayne/hwinfo-streamdeck
+
+go 1.19
+
+require (
+	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0
+	github.com/golang/protobuf v1.5.2
+	github.com/gorilla/websocket v1.5.0
+	github.com/hashicorp/go-plugin v1.4.8
+	github.com/shayne/go-winpeg v0.0.0-20200807055429-803ae16a07c6
+	golang.org/x/image v0.3.0
+	golang.org/x/sys v0.4.0
+	golang.org/x/text v0.6.0
+	google.golang.org/grpc v1.52.0
+	google.golang.org/protobuf v1.28.1
+)
+
+require (
+	github.com/fatih/color v1.13.0 // indirect
+	github.com/hashicorp/go-hclog v1.4.0 // indirect
+	github.com/hashicorp/yamux v0.1.1 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.17 // indirect
+	github.com/mitchellh/go-testing-interface v1.14.1 // indirect
+	github.com/oklog/run v1.1.0 // indirect
+	golang.org/x/net v0.5.0 // indirect
+	google.golang.org/genproto v0.0.0-20230113154510-dbe35b8444a5 // indirect
+)
--- a/go.sum
+++ b/go.sum
@ -0,0 +1,91 @@
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/fatih/color v1.13.0 h1:8LOYc1KYPPmyKMuN8QV2DNRWNbLo6LZ0iLs8+mlH53w=
+github.com/fatih/color v1.13.0/go.mod h1:kLAiJbzzSOZDVNGyDpeOxJ47H46qBXwg5ILebYFFOfk=
+github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF08vX0COfcOBJRhZ8lUbR+ZWIs0Y5g=
+github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
+github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
+github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
+github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
+github.com/gorilla/websocket v1.5.0 h1:PPwGk2jz7EePpoHN/+ClbZu8SPxiqlu12wZP/3sWmnc=
+github.com/gorilla/websocket v1.5.0/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
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+github.com/mattn/go-colorable v0.1.9/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
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--- a/images/clicksettings.png
+++ b/images/clicksettings.png
--- a/images/configureaction.gif
+++ b/images/configureaction.gif
--- a/images/contextquit.png
+++ b/images/contextquit.png
--- a/images/demo.gif
+++ b/images/demo.gif
--- a/images/dragaction.gif
+++ b/images/dragaction.gif
--- a/images/recommendedsettings.png
+++ b/images/recommendedsettings.png
--- a/images/sensorsonly.png
+++ b/images/sensorsonly.png
--- a/images/sharedmemory.png
+++ b/images/sharedmemory.png
--- a/images/streamdeckactionlist.png
+++ b/images/streamdeckactionlist.png
--- a/images/streamdeckinstall.png
+++ b/images/streamdeckinstall.png
--- a/install-plugin.bat
+++ b/install-plugin.bat
@ -0,0 +1,4 @@
+@echo off
+CALL .\kill-streamdeck.bat
+xcopy com.exension.hwinfo.sdPlugin %APPDATA%\\Elgato\\StreamDeck\\Plugins\\com.exension.hwinfo.sdPlugin\\ /E /Q /Y
+CALL .\start-streamdeck.bat
--- a/internal/app/hwinfostreamdeckplugin/action_manager.go
+++ b/internal/app/hwinfostreamdeckplugin/action_manager.go
@ -0,0 +1,54 @@
+package hwinfostreamdeckplugin
+
+import (
+	"fmt"
+	"sync"
+	"time"
+)
+
+type actionManager struct {
+	mux     sync.RWMutex
+	actions map[string]*actionData
+}
+
+func newActionManager() *actionManager {
+	return &actionManager{actions: make(map[string]*actionData)}
+}
+
+func (tm *actionManager) Run(updateTiles func(*actionData)) {
+	go func() {
+		ticker := time.NewTicker(time.Second)
+		for range ticker.C {
+			tm.mux.RLock()
+			for _, data := range tm.actions {
+				if data.settings.IsValid {
+					updateTiles(data)
+				}
+			}
+			tm.mux.RUnlock()
+		}
+	}()
+}
+
+func (tm *actionManager) SetAction(action, context string, settings *actionSettings) {
+	tm.mux.Lock()
+	tm.actions[context] = &actionData{action, context, settings}
+	tm.mux.Unlock()
+}
+
+func (tm *actionManager) RemoveAction(context string) {
+	tm.mux.Lock()
+	delete(tm.actions, context)
+	tm.mux.Unlock()
+}
+
+func (tm *actionManager) getSettings(context string) (actionSettings, error) {
+	tm.mux.RLock()
+	data, ok := tm.actions[context]
+	tm.mux.RUnlock()
+	if !ok {
+		return actionSettings{}, fmt.Errorf("getSettings invalid key: %s", context)
+	}
+	// return full copy of settings, not reference to stored settings
+	return *data.settings, nil
+}
--- a/internal/app/hwinfostreamdeckplugin/delegate.go
+++ b/internal/app/hwinfostreamdeckplugin/delegate.go
@ -0,0 +1,219 @@
+package hwinfostreamdeckplugin
+
+import (
+	"encoding/json"
+	"image/color"
+	"log"
+
+	"github.com/gorilla/websocket"
+	"github.com/shayne/hwinfo-streamdeck/pkg/graph"
+	"github.com/shayne/hwinfo-streamdeck/pkg/streamdeck"
+)
+
+const (
+	tileWidth  = 72
+	tileHeight = 72
+)
+
+// OnConnected event
+func (p *Plugin) OnConnected(c *websocket.Conn) {
+	log.Println("OnConnected")
+}
+
+// OnWillAppear event
+func (p *Plugin) OnWillAppear(event *streamdeck.EvWillAppear) {
+	var settings actionSettings
+	err := json.Unmarshal(*event.Payload.Settings, &settings)
+	if err != nil {
+		log.Println("OnWillAppear settings unmarshal", err)
+	}
+	tfSize := 10.5
+	vfSize := 10.5
+	var fgColor *color.RGBA
+	var bgColor *color.RGBA
+	var hlColor *color.RGBA
+	var tColor *color.RGBA
+	var vtColor *color.RGBA
+	if settings.TitleFontSize != 0 {
+		tfSize = settings.TitleFontSize
+	}
+	if settings.ValueFontSize != 0 {
+		vfSize = settings.ValueFontSize
+	}
+	if settings.ForegroundColor == "" {
+		fgColor = &color.RGBA{0, 81, 40, 255}
+	} else {
+		fgColor = hexToRGBA(settings.ForegroundColor)
+	}
+	if settings.BackgroundColor == "" {
+		bgColor = &color.RGBA{0, 0, 0, 255}
+	} else {
+		bgColor = hexToRGBA(settings.BackgroundColor)
+	}
+	if settings.HighlightColor == "" {
+		hlColor = &color.RGBA{0, 158, 0, 255}
+	} else {
+		hlColor = hexToRGBA(settings.HighlightColor)
+	}
+	if settings.TitleColor == "" {
+		tColor = &color.RGBA{183, 183, 183, 255}
+	} else {
+		tColor = hexToRGBA(settings.TitleColor)
+	}
+	if settings.ValueTextColor == "" {
+		vtColor = &color.RGBA{255, 255, 255, 255}
+	} else {
+		vtColor = hexToRGBA(settings.ValueTextColor)
+	}
+	g := graph.NewGraph(tileWidth, tileHeight, settings.Min, settings.Max, fgColor, bgColor, hlColor)
+	g.SetLabel(0, "", 19, tColor)
+	g.SetLabelFontSize(0, tfSize)
+	g.SetLabel(1, "", 44, vtColor)
+	g.SetLabelFontSize(1, vfSize)
+	p.graphs[event.Context] = g
+	p.am.SetAction(event.Action, event.Context, &settings)
+}
+
+// OnWillDisappear event
+func (p *Plugin) OnWillDisappear(event *streamdeck.EvWillDisappear) {
+	var settings actionSettings
+	err := json.Unmarshal(*event.Payload.Settings, &settings)
+	if err != nil {
+		log.Println("OnWillAppear settings unmarshal", err)
+	}
+	delete(p.graphs, event.Context)
+	p.am.RemoveAction(event.Context)
+}
+
+// OnApplicationDidLaunch event
+func (p *Plugin) OnApplicationDidLaunch(event *streamdeck.EvApplication) {
+	p.appLaunched = true
+}
+
+// OnApplicationDidTerminate event
+func (p *Plugin) OnApplicationDidTerminate(event *streamdeck.EvApplication) {
+	p.appLaunched = false
+}
+
+// OnTitleParametersDidChange event
+func (p *Plugin) OnTitleParametersDidChange(event *streamdeck.EvTitleParametersDidChange) {
+	var settings actionSettings
+	err := json.Unmarshal(*event.Payload.Settings, &settings)
+	if err != nil {
+		log.Println("OnWillAppear settings unmarshal", err)
+	}
+	g, ok := p.graphs[event.Context]
+	if !ok {
+		log.Printf("handleSetMax no graph for context: %s\n", event.Context)
+		return
+	}
+	g.SetLabelText(0, event.Payload.Title)
+	if event.Payload.TitleParameters.TitleColor != "" {
+		tClr := hexToRGBA(event.Payload.TitleParameters.TitleColor)
+		g.SetLabelColor(0, tClr)
+	}
+
+	settings.Title = event.Payload.Title
+	settings.TitleColor = event.Payload.TitleParameters.TitleColor
+	err = p.sd.SetSettings(event.Context, &settings)
+	if err != nil {
+		log.Printf("handleSetTitle SetSettings: %v\n", err)
+		return
+	}
+	p.am.SetAction(event.Action, event.Context, &settings)
+}
+
+// OnPropertyInspectorConnected event
+func (p *Plugin) OnPropertyInspectorConnected(event *streamdeck.EvSendToPlugin) {
+	settings, err := p.am.getSettings(event.Context)
+	if err != nil {
+		log.Println("OnPropertyInspectorConnected getSettings", err)
+	}
+	sensors, err := p.hw.Sensors()
+	if err != nil {
+		log.Println("OnPropertyInspectorConnected Sensors", err)
+		payload := evStatus{Error: true, Message: "HWiNFO Unavailable"}
+		err := p.sd.SendToPropertyInspector(event.Action, event.Context, payload)
+		settings.InErrorState = true
+		err = p.sd.SetSettings(event.Context, &settings)
+		if err != nil {
+			log.Printf("OnPropertyInspectorConnected SetSettings: %v\n", err)
+			return
+		}
+		p.am.SetAction(event.Action, event.Context, &settings)
+		if err != nil {
+			log.Println("updateTiles SendToPropertyInspector", err)
+		}
+		return
+	}
+	evsensors := make([]*evSendSensorsPayloadSensor, 0, len(sensors))
+	for _, s := range sensors {
+		evsensors = append(evsensors, &evSendSensorsPayloadSensor{UID: s.ID(), Name: s.Name()})
+	}
+	payload := evSendSensorsPayload{Sensors: evsensors, Settings: &settings}
+	err = p.sd.SendToPropertyInspector(event.Action, event.Context, payload)
+	if err != nil {
+		log.Println("OnPropertyInspectorConnected SendToPropertyInspector", err)
+	}
+}
+
+// OnSendToPlugin event
+func (p *Plugin) OnSendToPlugin(event *streamdeck.EvSendToPlugin) {
+	var payload map[string]*json.RawMessage
+	err := json.Unmarshal(*event.Payload, &payload)
+	if err != nil {
+		log.Println("OnSendToPlugin unmarshal", err)
+	}
+	if data, ok := payload["sdpi_collection"]; ok {
+		sdpi := evSdpiCollection{}
+		err = json.Unmarshal(*data, &sdpi)
+		if err != nil {
+			log.Println("SDPI unmarshal", err)
+		}
+		switch sdpi.Key {
+		case "sensorSelect":
+			err = p.handleSensorSelect(event, &sdpi)
+			if err != nil {
+				log.Println("handleSensorSelect", err)
+			}
+		case "readingSelect":
+			err = p.handleReadingSelect(event, &sdpi)
+			if err != nil {
+				log.Println("handleReadingSelect", err)
+			}
+		case "min":
+			err := p.handleSetMin(event, &sdpi)
+			if err != nil {
+				log.Println("handleSetMin", err)
+			}
+		case "max":
+			err := p.handleSetMax(event, &sdpi)
+			if err != nil {
+				log.Println("handleSetMax", err)
+			}
+		case "format":
+			err := p.handleSetFormat(event, &sdpi)
+			if err != nil {
+				log.Println("handleSetFormat", err)
+			}
+		case "divisor":
+			err := p.handleDivisor(event, &sdpi)
+			if err != nil {
+				log.Println("handleDivisor", err)
+			}
+		case "foreground", "background", "highlight", "valuetext":
+			err := p.handleColorChange(event, sdpi.Key, &sdpi)
+			if err != nil {
+				log.Println("handleColorChange", err)
+			}
+		case "titleFontSize", "valueFontSize":
+			err := p.handleSetFontSize(event, sdpi.Key, &sdpi)
+			if err != nil {
+				log.Println("handleSetTitleFontSize", err)
+			}
+		default:
+			log.Printf("Unknown sdpi key: %s\n", sdpi.Key)
+		}
+		return
+	}
+}
--- a/internal/app/hwinfostreamdeckplugin/handlers.go
+++ b/internal/app/hwinfostreamdeckplugin/handlers.go
@ -0,0 +1,272 @@
+package hwinfostreamdeckplugin
+
+import (
+	"fmt"
+	"image/color"
+	"strconv"
+
+	hwsensorsservice "github.com/shayne/hwinfo-streamdeck/pkg/service"
+	"github.com/shayne/hwinfo-streamdeck/pkg/streamdeck"
+)
+
+func (p *Plugin) handleSensorSelect(event *streamdeck.EvSendToPlugin, sdpi *evSdpiCollection) error {
+	sensorid := sdpi.Value
+	readings, err := p.hw.ReadingsForSensorID(sensorid)
+	if err != nil {
+		return fmt.Errorf("handleSensorSelect ReadingsBySensor failed: %v", err)
+	}
+	evreadings := []*evSendReadingsPayloadReading{}
+	for _, r := range readings {
+		evreadings = append(evreadings, &evSendReadingsPayloadReading{ID: r.ID(), Label: r.Label(), Prefix: r.Unit()})
+	}
+	settings, err := p.am.getSettings(event.Context)
+	if err != nil {
+		return fmt.Errorf("handleReadingSelect getSettings: %v", err)
+	}
+	// only update settings if SensorUID is changing
+	// this covers case where PI sends event when tile
+	// selected in SD UI
+	if settings.SensorUID != sensorid {
+		settings.SensorUID = sensorid
+		settings.ReadingID = 0
+		settings.IsValid = false
+	}
+	payload := evSendReadingsPayload{Readings: evreadings, Settings: &settings}
+	err = p.sd.SendToPropertyInspector(event.Action, event.Context, payload)
+	if err != nil {
+		return fmt.Errorf("sensorsSelect SendToPropertyInspector: %v", err)
+	}
+	err = p.sd.SetSettings(event.Context, &settings)
+	if err != nil {
+		return fmt.Errorf("handleSensorSelect SetSettings: %v", err)
+	}
+	p.am.SetAction(event.Action, event.Context, &settings)
+	return nil
+}
+
+func getDefaultMinMaxForReading(r hwsensorsservice.Reading) (int, int) {
+	switch r.Unit() {
+	case "%":
+		return 0, 100
+	case "Yes/No":
+		return 0, 1
+	}
+	min := r.ValueMin()
+	max := r.ValueMax()
+	min -= min * .2
+	if min <= 0 {
+		min = 0.
+	}
+	max += max * .2
+	return int(min), int(max)
+}
+
+func (p *Plugin) handleReadingSelect(event *streamdeck.EvSendToPlugin, sdpi *evSdpiCollection) error {
+	rid64, err := strconv.ParseInt(sdpi.Value, 10, 32)
+	if err != nil {
+		return fmt.Errorf("handleReadingSelect Atoi failed: %s, %v", sdpi.Value, err)
+	}
+	rid := int32(rid64)
+	settings, err := p.am.getSettings(event.Context)
+	if err != nil {
+		return fmt.Errorf("handleReadingSelect getSettings: %v", err)
+	}
+
+	// no action if reading didn't change
+	if settings.ReadingID == rid {
+		return nil
+	}
+
+	settings.ReadingID = rid
+
+	// set default min/max
+	r, err := p.getReading(settings.SensorUID, settings.ReadingID)
+	if err != nil {
+		return fmt.Errorf("handleReadingSelect getReading: %v", err)
+	}
+
+	g, ok := p.graphs[event.Context]
+	if !ok {
+		return fmt.Errorf("handleReadingSelect no graph for context: %s", event.Context)
+	}
+	defaultMin, defaultMax := getDefaultMinMaxForReading(r)
+	settings.Min = defaultMin
+	g.SetMin(settings.Min)
+	settings.Max = defaultMax
+	g.SetMax(settings.Max)
+	settings.IsValid = true // set IsValid once we choose reading
+
+	err = p.sd.SetSettings(event.Context, &settings)
+	if err != nil {
+		return fmt.Errorf("handleReadingSelect SetSettings: %v", err)
+	}
+	p.am.SetAction(event.Action, event.Context, &settings)
+	return nil
+}
+
+func (p *Plugin) handleSetMin(event *streamdeck.EvSendToPlugin, sdpi *evSdpiCollection) error {
+	min, err := strconv.Atoi(sdpi.Value)
+	if err != nil {
+		return fmt.Errorf("handleSetMin strconv: %v", err)
+	}
+	g, ok := p.graphs[event.Context]
+	if !ok {
+		return fmt.Errorf("handleSetMax no graph for context: %s", event.Context)
+	}
+	g.SetMin(min)
+	settings, err := p.am.getSettings(event.Context)
+	if err != nil {
+		return fmt.Errorf("handleSetMin getSettings: %v", err)
+	}
+	settings.Min = min
+	err = p.sd.SetSettings(event.Context, &settings)
+	if err != nil {
+		return fmt.Errorf("handleSetMin SetSettings: %v", err)
+	}
+	p.am.SetAction(event.Action, event.Context, &settings)
+	return nil
+}
+
+func (p *Plugin) handleSetMax(event *streamdeck.EvSendToPlugin, sdpi *evSdpiCollection) error {
+	max, err := strconv.Atoi(sdpi.Value)
+	if err != nil {
+		return fmt.Errorf("handleSetMax strconv: %v", err)
+	}
+	g, ok := p.graphs[event.Context]
+	if !ok {
+		return fmt.Errorf("handleSetMax no graph for context: %s", event.Context)
+	}
+	g.SetMax(max)
+	settings, err := p.am.getSettings(event.Context)
+	if err != nil {
+		return fmt.Errorf("handleSetMax getSettings: %v", err)
+	}
+	settings.Max = max
+	err = p.sd.SetSettings(event.Context, &settings)
+	if err != nil {
+		return fmt.Errorf("handleSetMax SetSettings: %v", err)
+	}
+	p.am.SetAction(event.Action, event.Context, &settings)
+	return nil
+}
+
+func (p *Plugin) handleSetFormat(event *streamdeck.EvSendToPlugin, sdpi *evSdpiCollection) error {
+	format := sdpi.Value
+	settings, err := p.am.getSettings(event.Context)
+	if err != nil {
+		return fmt.Errorf("handleSetFormat getSettings: %v", err)
+	}
+	settings.Format = format
+	err = p.sd.SetSettings(event.Context, &settings)
+	if err != nil {
+		return fmt.Errorf("handleSetFormat SetSettings: %v", err)
+	}
+	p.am.SetAction(event.Action, event.Context, &settings)
+	return nil
+}
+
+func (p *Plugin) handleDivisor(event *streamdeck.EvSendToPlugin, sdpi *evSdpiCollection) error {
+	divisor := sdpi.Value
+	settings, err := p.am.getSettings(event.Context)
+	if err != nil {
+		return fmt.Errorf("handleDivisor getSettings: %v", err)
+	}
+	settings.Divisor = divisor
+	err = p.sd.SetSettings(event.Context, &settings)
+	if err != nil {
+		return fmt.Errorf("handleDivisor SetSettings: %v", err)
+	}
+	p.am.SetAction(event.Action, event.Context, &settings)
+	return nil
+}
+
+const (
+	hexFormat      = "#%02x%02x%02x"
+	hexShortFormat = "#%1x%1x%1x"
+	hexToRGBFactor = 17
+)
+
+func hexToRGBA(hex string) *color.RGBA {
+	var r, g, b uint8
+
+	if len(hex) == 4 {
+		fmt.Sscanf(hex, hexShortFormat, &r, &g, &b)
+		r *= hexToRGBFactor
+		g *= hexToRGBFactor
+		b *= hexToRGBFactor
+	} else {
+		fmt.Sscanf(hex, hexFormat, &r, &g, &b)
+	}
+
+	return &color.RGBA{R: r, G: g, B: b, A: 255}
+}
+
+func (p *Plugin) handleColorChange(event *streamdeck.EvSendToPlugin, key string, sdpi *evSdpiCollection) error {
+	hex := sdpi.Value
+	settings, err := p.am.getSettings(event.Context)
+	if err != nil {
+		return fmt.Errorf("handleDivisor getSettings: %v", err)
+	}
+	g, ok := p.graphs[event.Context]
+	if !ok {
+		return fmt.Errorf("handleSetMax no graph for context: %s", event.Context)
+	}
+	clr := hexToRGBA(hex)
+	switch key {
+	case "foreground":
+		settings.ForegroundColor = hex
+		g.SetForegroundColor(clr)
+	case "background":
+		settings.BackgroundColor = hex
+		g.SetBackgroundColor(clr)
+	case "highlight":
+		settings.HighlightColor = hex
+		g.SetHighlightColor(clr)
+	case "valuetext":
+		settings.ValueTextColor = hex
+		g.SetLabelColor(1, clr)
+	}
+	err = p.sd.SetSettings(event.Context, &settings)
+	if err != nil {
+		return fmt.Errorf("handleColorChange SetSettings: %v", err)
+	}
+	p.am.SetAction(event.Action, event.Context, &settings)
+	return nil
+}
+
+func (p *Plugin) handleSetFontSize(event *streamdeck.EvSendToPlugin, key string, sdpi *evSdpiCollection) error {
+	sv := sdpi.Value
+	size, err := strconv.ParseFloat(sv, 64)
+	if err != nil {
+		return fmt.Errorf("failed to convert value to float: %w", err)
+	}
+
+	settings, err := p.am.getSettings(event.Context)
+	if err != nil {
+		return fmt.Errorf("getSettings failed: %w", err)
+	}
+
+	g, ok := p.graphs[event.Context]
+	if !ok {
+		return fmt.Errorf("no graph for context: %s", event.Context)
+	}
+
+	switch key {
+	case "titleFontSize":
+		settings.TitleFontSize = size
+		g.SetLabelFontSize(0, size)
+	case "valueFontSize":
+		settings.ValueFontSize = size
+		g.SetLabelFontSize(1, size)
+	default:
+		return fmt.Errorf("invalid key: %s", sdpi.Key)
+	}
+
+	err = p.sd.SetSettings(event.Context, &settings)
+	if err != nil {
+		return fmt.Errorf("SetSettings failed: %w", err)
+	}
+
+	p.am.SetAction(event.Action, event.Context, &settings)
+	return nil
+}
--- a/internal/app/hwinfostreamdeckplugin/plugin.go
+++ b/internal/app/hwinfostreamdeckplugin/plugin.go
@ -0,0 +1,231 @@
+package hwinfostreamdeckplugin
+
+import (
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os/exec"
+	"strconv"
+	"time"
+
+	"github.com/hashicorp/go-plugin"
+	"github.com/shayne/go-winpeg"
+	"github.com/shayne/hwinfo-streamdeck/pkg/graph"
+	hwsensorsservice "github.com/shayne/hwinfo-streamdeck/pkg/service"
+	"github.com/shayne/hwinfo-streamdeck/pkg/streamdeck"
+)
+
+// Plugin handles information between HWiNFO and Stream Deck
+type Plugin struct {
+	c      *plugin.Client
+	peg    winpeg.ProcessExitGroup
+	hw     hwsensorsservice.HardwareService
+	sd     *streamdeck.StreamDeck
+	am     *actionManager
+	graphs map[string]*graph.Graph
+
+	appLaunched bool
+}
+
+func (p *Plugin) startClient() error {
+	cmd := exec.Command("./hwinfo-plugin.exe")
+
+	// We're a host. Start by launching the plugin process.
+	client := plugin.NewClient(&plugin.ClientConfig{
+		HandshakeConfig:  hwsensorsservice.Handshake,
+		Plugins:          hwsensorsservice.PluginMap,
+		Cmd:              cmd,
+		AllowedProtocols: []plugin.Protocol{plugin.ProtocolGRPC},
+		AutoMTLS:         true,
+	})
+
+	// Connect via RPC
+	rpcClient, err := client.Client()
+	if err != nil {
+		return err
+	}
+
+	g, err := winpeg.NewProcessExitGroup()
+	if err != nil {
+		return err
+	}
+
+	if err := g.AddProcess(cmd.Process); err != nil {
+		return err
+	}
+
+	// Request the plugin
+	raw, err := rpcClient.Dispense("hwinfoplugin")
+	if err != nil {
+		return err
+	}
+
+	p.c = client
+	p.peg = g
+	p.hw = raw.(hwsensorsservice.HardwareService)
+
+	return nil
+}
+
+// NewPlugin creates an instance and initializes the plugin
+func NewPlugin(port, uuid, event, info string) (*Plugin, error) {
+	// We don't want to see the plugin logs.
+	// log.SetOutput(ioutil.Discard)
+	p := &Plugin{
+		am:     newActionManager(),
+		graphs: make(map[string]*graph.Graph),
+	}
+	p.startClient()
+	p.sd = streamdeck.NewStreamDeck(port, uuid, event, info)
+	return p, nil
+}
+
+// RunForever starts the plugin and waits for events, indefinitely
+func (p *Plugin) RunForever() error {
+	defer func() {
+		p.c.Kill()
+		p.peg.Dispose()
+	}()
+
+	p.sd.SetDelegate(p)
+	p.am.Run(p.updateTiles)
+
+	go func() {
+		for {
+			if p.c.Exited() {
+				p.startClient()
+			}
+			time.Sleep(1 * time.Second)
+		}
+	}()
+
+	err := p.sd.Connect()
+	if err != nil {
+		return fmt.Errorf("StreamDeck Connect: %v", err)
+	}
+	defer p.sd.Close()
+	p.sd.ListenAndWait()
+	return nil
+}
+
+func (p *Plugin) getReading(suid string, rid int32) (hwsensorsservice.Reading, error) {
+	rbs, err := p.hw.ReadingsForSensorID(suid)
+	if err != nil {
+		return nil, fmt.Errorf("getReading ReadingsBySensor failed: %v", err)
+	}
+	for _, r := range rbs {
+		if r.ID() == rid {
+			return r, nil
+		}
+	}
+	return nil, fmt.Errorf("ReadingID does not exist: %s", suid)
+}
+
+func (p *Plugin) applyDefaultFormat(v float64, t hwsensorsservice.ReadingType, u string) string {
+	switch t {
+	case hwsensorsservice.ReadingTypeNone:
+		return fmt.Sprintf("%0.f %s", v, u)
+	case hwsensorsservice.ReadingTypeTemp:
+		return fmt.Sprintf("%.0f %s", v, u)
+	case hwsensorsservice.ReadingTypeVolt:
+		return fmt.Sprintf("%.0f %s", v, u)
+	case hwsensorsservice.ReadingTypeFan:
+		return fmt.Sprintf("%.0f %s", v, u)
+	case hwsensorsservice.ReadingTypeCurrent:
+		return fmt.Sprintf("%.0f %s", v, u)
+	case hwsensorsservice.ReadingTypePower:
+		return fmt.Sprintf("%0.f %s", v, u)
+	case hwsensorsservice.ReadingTypeClock:
+		return fmt.Sprintf("%.0f %s", v, u)
+	case hwsensorsservice.ReadingTypeUsage:
+		return fmt.Sprintf("%.0f%s", v, u)
+	case hwsensorsservice.ReadingTypeOther:
+		return fmt.Sprintf("%.0f %s", v, u)
+	}
+	return "Bad Format"
+}
+
+func (p *Plugin) updateTiles(data *actionData) {
+	if data.action != "com.exension.hwinfor0.reading" {
+		log.Printf("Unknown action updateTiles: %s\n", data.action)
+		return
+	}
+
+	g, ok := p.graphs[data.context]
+	if !ok {
+		log.Printf("Graph not found for context: %s\n", data.context)
+		return
+	}
+
+	if !p.appLaunched {
+		if !data.settings.InErrorState {
+			payload := evStatus{Error: true, Message: "HWiNFO Unavailable"}
+			err := p.sd.SendToPropertyInspector("com.exension.hwinfor0.reading", data.context, payload)
+			if err != nil {
+				log.Println("updateTiles SendToPropertyInspector", err)
+			}
+			data.settings.InErrorState = true
+			p.sd.SetSettings(data.context, &data.settings)
+		}
+		bts, err := ioutil.ReadFile("./launch-hwinfo.png")
+		if err != nil {
+			log.Printf("Failed to read launch-hwinfo.png: %v\n", err)
+			return
+		}
+		err = p.sd.SetImage(data.context, bts)
+		if err != nil {
+			log.Printf("Failed to setImage: %v\n", err)
+			return
+		}
+		return
+	}
+
+	// show ui on property inspector if in error state
+	if data.settings.InErrorState {
+		payload := evStatus{Error: false, Message: "show_ui"}
+		err := p.sd.SendToPropertyInspector("com.exension.hwinfor0.reading", data.context, payload)
+		if err != nil {
+			log.Println("updateTiles SendToPropertyInspector", err)
+		}
+		data.settings.InErrorState = false
+		p.sd.SetSettings(data.context, &data.settings)
+	}
+
+	s := data.settings
+	r, err := p.getReading(s.SensorUID, s.ReadingID)
+	if err != nil {
+		log.Printf("getReading failed: %v\n", err)
+		return
+	}
+
+	v := r.Value()
+	if s.Divisor != "" {
+		fdiv := 1.
+		fdiv, err := strconv.ParseFloat(s.Divisor, 64)
+		if err != nil {
+			log.Printf("Failed to parse float: %s\n", s.Divisor)
+			return
+		}
+		v = r.Value() / fdiv
+	}
+	g.Update(v)
+	var text string
+	if f := s.Format; f != "" {
+		text = fmt.Sprintf(f, v)
+	} else {
+		text = p.applyDefaultFormat(v, hwsensorsservice.ReadingType(r.TypeI()), r.Unit())
+	}
+	g.SetLabelText(1, text)
+
+	b, err := g.EncodePNG()
+	if err != nil {
+		log.Printf("Failed to encode graph: %v\n", err)
+		return
+	}
+
+	err = p.sd.SetImage(data.context, b)
+	if err != nil {
+		log.Printf("Failed to setImage: %v\n", err)
+		return
+	}
+}
--- a/internal/app/hwinfostreamdeckplugin/types.go
+++ b/internal/app/hwinfostreamdeckplugin/types.go
@ -0,0 +1,60 @@
+package hwinfostreamdeckplugin
+
+type actionSettings struct {
+	SensorUID       string  `json:"sensorUid"`
+	ReadingID       int32   `json:"readingId,string"`
+	Title           string  `json:"title"`
+	TitleFontSize   float64 `json:"titleFontSize"`
+	ValueFontSize   float64 `json:"valueFontSize"`
+	Min             int     `json:"min"`
+	Max             int     `json:"max"`
+	Format          string  `json:"format"`
+	Divisor         string  `json:"divisor"`
+	IsValid         bool    `json:"isValid"`
+	TitleColor      string  `json:"titleColor"`
+	ForegroundColor string  `json:"foregroundColor"`
+	BackgroundColor string  `json:"backgroundColor"`
+	HighlightColor  string  `json:"highlightColor"`
+	ValueTextColor  string  `json:"valueTextColor"`
+	InErrorState    bool    `json:"inErrorState"`
+}
+
+type actionData struct {
+	action   string
+	context  string
+	settings *actionSettings
+}
+
+type evStatus struct {
+	Error   bool   `json:"error"`
+	Message string `json:"message"`
+}
+
+type evSendSensorsPayloadSensor struct {
+	UID  string `json:"uid"`
+	Name string `json:"name"`
+}
+
+type evSendSensorsPayload struct {
+	Sensors  []*evSendSensorsPayloadSensor `json:"sensors"`
+	Settings *actionSettings               `json:"settings"`
+}
+
+type evSendReadingsPayloadReading struct {
+	ID     int32  `json:"id,string"`
+	Label  string `json:"label"`
+	Prefix string `json:"prefix"`
+}
+
+type evSendReadingsPayload struct {
+	Readings []*evSendReadingsPayloadReading `json:"readings"`
+	Settings *actionSettings                 `json:"settings"`
+}
+
+type evSdpiCollection struct {
+	Group     bool     `json:"group"`
+	Index     int      `json:"index"`
+	Key       string   `json:"key"`
+	Selection []string `json:"selection"`
+	Value     string   `json:"value"`
+}
--- a/internal/hwinfo/hwinfo.go
+++ b/internal/hwinfo/hwinfo.go
@ -0,0 +1,163 @@
+package hwinfo
+
+/*
+#include <windows.h>
+#include "hwisenssm2.h"
+*/
+import "C"
+
+import (
+	"fmt"
+	"log"
+	"time"
+	"unsafe"
+
+	"github.com/shayne/hwinfo-streamdeck/internal/hwinfo/shmem"
+	"github.com/shayne/hwinfo-streamdeck/internal/hwinfo/util"
+)
+
+// SharedMemory provides access to the HWiNFO shared memory
+type SharedMemory struct {
+	data  []byte
+	shmem C.PHWiNFO_SENSORS_SHARED_MEM2
+}
+
+// ReadSharedMem reads data from HWiNFO shared memory
+// creating a copy of the data
+func ReadSharedMem() (*SharedMemory, error) {
+	data, err := shmem.ReadBytes()
+	if err != nil {
+		return nil, err
+	}
+
+	return &SharedMemory{
+		data:  append([]byte(nil), data...),
+		shmem: C.PHWiNFO_SENSORS_SHARED_MEM2(unsafe.Pointer(&data[0])),
+	}, nil
+}
+
+// Result for streamed shared memory updates
+type Result struct {
+	Shmem *SharedMemory
+	Err   error
+}
+
+func readAndSend(ch chan<- Result) {
+	shmem, err := ReadSharedMem()
+	ch <- Result{Shmem: shmem, Err: err}
+}
+
+// StreamSharedMem delivers shared memory hardware sensors updates
+// over a channel
+func StreamSharedMem() <-chan Result {
+	ch := make(chan Result)
+	go func() {
+		readAndSend(ch)
+		// TODO: don't use time.Tick, cancellable?
+		for range time.Tick(1 * time.Second) {
+			readAndSend(ch)
+		}
+	}()
+	return ch
+}
+
+// Signature "HWiS" if active, 'DEAD' when inactive
+func (s *SharedMemory) Signature() string {
+	return util.DecodeCharPtr(unsafe.Pointer(&s.shmem.dwSignature), C.sizeof_DWORD)
+}
+
+// Version v1 is latest
+func (s *SharedMemory) Version() int {
+	return int(s.shmem.dwVersion)
+}
+
+// Revision revision of version
+func (s *SharedMemory) Revision() int {
+	return int(s.shmem.dwRevision)
+}
+
+// PollTime last polling time
+func (s *SharedMemory) PollTime() uint64 {
+	addr := unsafe.Pointer(uintptr(unsafe.Pointer(&s.shmem.dwRevision)) + C.sizeof_DWORD)
+	return uint64(*(*C.__time64_t)(addr))
+}
+
+// OffsetOfSensorSection offset of the Sensor section from beginning of HWiNFO_SENSORS_SHARED_MEM2
+func (s *SharedMemory) OffsetOfSensorSection() int {
+	return int(s.shmem.dwOffsetOfSensorSection)
+}
+
+// SizeOfSensorElement size of each sensor element = sizeof( HWiNFO_SENSORS_SENSOR_ELEMENT )
+func (s *SharedMemory) SizeOfSensorElement() int {
+	return int(s.shmem.dwSizeOfSensorElement)
+}
+
+// NumSensorElements number of sensor elements
+func (s *SharedMemory) NumSensorElements() int {
+	return int(s.shmem.dwNumSensorElements)
+}
+
+// OffsetOfReadingSection offset of the Reading section from beginning of HWiNFO_SENSORS_SHARED_MEM2
+func (s *SharedMemory) OffsetOfReadingSection() int {
+	return int(s.shmem.dwOffsetOfReadingSection)
+}
+
+// SizeOfReadingElement size of each Reading element = sizeof( HWiNFO_SENSORS_READING_ELEMENT )
+func (s *SharedMemory) SizeOfReadingElement() int {
+	return int(s.shmem.dwSizeOfReadingElement)
+}
+
+// NumReadingElements number of Reading elements
+func (s *SharedMemory) NumReadingElements() int {
+	return int(s.shmem.dwNumReadingElements)
+}
+
+func (s *SharedMemory) dataForSensor(pos int) ([]byte, error) {
+	if pos >= s.NumSensorElements() {
+		return nil, fmt.Errorf("dataForSensor pos out of range, %d for size %d", pos, s.NumSensorElements())
+	}
+	start := s.OffsetOfSensorSection() + (pos * s.SizeOfSensorElement())
+	end := start + s.SizeOfSensorElement()
+	return s.data[start:end], nil
+}
+
+// IterSensors iterate over each sensor
+func (s *SharedMemory) IterSensors() <-chan Sensor {
+	ch := make(chan Sensor)
+	go func() {
+		for i := 0; i < s.NumSensorElements(); i++ {
+			data, err := s.dataForSensor(i)
+			if err != nil {
+				log.Fatalf("TODO: failed to read dataForSensor: %v", err)
+			}
+			ch <- NewSensor(data)
+		}
+		close(ch)
+	}()
+	return ch
+}
+
+func (s *SharedMemory) dataForReading(pos int) ([]byte, error) {
+	if pos >= s.NumReadingElements() {
+		return nil, fmt.Errorf("dataForReading pos out of range, %d for size %d", pos, s.NumSensorElements())
+	}
+	start := s.OffsetOfReadingSection() + (pos * s.SizeOfReadingElement())
+	end := start + s.SizeOfReadingElement()
+	return s.data[start:end], nil
+}
+
+// IterReadings iterate over each sensor
+func (s *SharedMemory) IterReadings() <-chan Reading {
+	ch := make(chan Reading)
+	go func() {
+		for i := 0; i < s.NumReadingElements(); i++ {
+			data, err := s.dataForReading(i)
+			if err != nil {
+				log.Fatalf("TODO: failed to read dataForReading: %v", err)
+			}
+			ch <- NewReading(data)
+		}
+		close(ch)
+	}()
+	return ch
+}
--- a/internal/hwinfo/hwisenssm2.h
+++ b/internal/hwinfo/hwisenssm2.h
@ -0,0 +1,126 @@
+#ifndef _HWISENSSM2_H_INCLUDED_
+#define _HWISENSSM2_H_INCLUDED_
+
+// Name of the file mapping object that needs to be opened using OpenFileMapping Function:
+#define HWiNFO_SENSORS_MAP_FILE_NAME2 "Global\\HWiNFO_SENS_SM2"
+
+// Name of the global mutex which is acquired when accessing the Shared Memory space. Release as quick as possible !
+#define HWiNFO_SENSORS_SM2_MUTEX "Global\\HWiNFO_SM2_MUTEX"
+
+#define HWiNFO_SENSORS_STRING_LEN2 128
+#define HWiNFO_UNIT_STRING_LEN 16
+
+enum SENSOR_READING_TYPE
+{
+  SENSOR_TYPE_NONE = 0,
+  SENSOR_TYPE_TEMP,
+  SENSOR_TYPE_VOLT,
+  SENSOR_TYPE_FAN,
+  SENSOR_TYPE_CURRENT,
+  SENSOR_TYPE_POWER,
+  SENSOR_TYPE_CLOCK,
+  SENSOR_TYPE_USAGE,
+  SENSOR_TYPE_OTHER
+};
+typedef enum SENSOR_READING_TYPE SENSOR_READING_TYPE;
+
+// No alignment of structure members
+#pragma pack(1)
+
+typedef struct _HWiNFO_SENSORS_READING_ELEMENT
+{
+
+  SENSOR_READING_TYPE tReading;                 // Type of sensor reading
+  DWORD dwSensorIndex;                          // This is the index of sensor in the Sensors[] array to which this reading belongs to
+  DWORD dwReadingID;                            // A unique ID of the reading within a particular sensor
+  char szLabelOrig[HWiNFO_SENSORS_STRING_LEN2]; // Original label (e.g. "Chassis2 Fan")
+  char szLabelUser[HWiNFO_SENSORS_STRING_LEN2]; // Label displayed, which might have been renamed by user
+  char szUnit[HWiNFO_UNIT_STRING_LEN];          // e.g. "RPM"
+  double Value;
+  double ValueMin;
+  double ValueMax;
+  double ValueAvg;
+
+} HWiNFO_SENSORS_READING_ELEMENT, *PHWiNFO_SENSORS_READING_ELEMENT;
+
+typedef struct _HWiNFO_SENSORS_SENSOR_ELEMENT
+{
+
+  DWORD dwSensorID;                                  // A unique Sensor ID
+  DWORD dwSensorInst;                                // The instance of the sensor (together with dwSensorID forms a unique ID)
+  char szSensorNameOrig[HWiNFO_SENSORS_STRING_LEN2]; // Original sensor name
+  char szSensorNameUser[HWiNFO_SENSORS_STRING_LEN2]; // Sensor name displayed, which might have been renamed by user
+
+} HWiNFO_SENSORS_SENSOR_ELEMENT, *PHWiNFO_SENSORS_SENSOR_ELEMENT;
+
+typedef struct _HWiNFO_SENSORS_SHARED_MEM2
+{
+
+  DWORD dwSignature;    // "HWiS" if active, 'DEAD' when inactive
+  DWORD dwVersion;      // v1 is latest
+  DWORD dwRevision;     //
+  __time64_t poll_time; // last polling time
+
+  // descriptors for the Sensors section
+  DWORD dwOffsetOfSensorSection; // Offset of the Sensor section from beginning of HWiNFO_SENSORS_SHARED_MEM2
+  DWORD dwSizeOfSensorElement;   // Size of each sensor element = sizeof( HWiNFO_SENSORS_SENSOR_ELEMENT )
+  DWORD dwNumSensorElements;     // Number of sensor elements
+
+  // descriptors for the Readings section
+  DWORD dwOffsetOfReadingSection; // Offset of the Reading section from beginning of HWiNFO_SENSORS_SHARED_MEM2
+  DWORD dwSizeOfReadingElement;   // Size of each Reading element = sizeof( HWiNFO_SENSORS_READING_ELEMENT )
+  DWORD dwNumReadingElements;     // Number of Reading elements
+
+} HWiNFO_SENSORS_SHARED_MEM2, *PHWiNFO_SENSORS_SHARED_MEM2;
+
+#pragma pack()
+
+#endif
+
+// ***************************************************************************************************************
+//                                          HWiNFO Shared Memory Footprint
+// ***************************************************************************************************************
+//
+//         |-----------------------------|-----------------------------------|-----------------------------------|
+// Content |  HWiNFO_SENSORS_SHARED_MEM2 |  HWiNFO_SENSORS_SENSOR_ELEMENT[]  | HWiNFO_SENSORS_READING_ELEMENT[]  |
+//         |-----------------------------|-----------------------------------|-----------------------------------|
+// Pointer |<--0                         |<--dwOffsetOfSensorSection         |<--dwOffsetOfReadingSection        |
+//         |-----------------------------|-----------------------------------|-----------------------------------|
+// Size    |  dwOffsetOfSensorSection    |   dwSizeOfSensorElement           |    dwSizeOfReadingElement         |
+//         |                             |      * dwNumSensorElement         |       * dwNumReadingElement       |
+//         |-----------------------------|-----------------------------------|-----------------------------------|
+//
+// ***************************************************************************************************************
+//                                                  Code Example
+// ***************************************************************************************************************
+/*
+
+HANDLE hHWiNFOMemory = OpenFileMapping( FILE_MAP_READ, FALSE, HWiNFO_SENSORS_MAP_FILE_NAME2 );
+if (hHWiNFOMemory)
+	PHWiNFO_SENSORS_SHARED_MEM2 pHWiNFOMemory = 
+		(PHWiNFO_SENSORS_SHARED_MEM2) MapViewOfFile( hHWiNFOMemory, FILE_MAP_READ, 0, 0, 0 );
+	
+	// TODO: process signature, version, revision and poll time
+	
+	// loop through all available sensors
+	for (DWORD dwSensor = 0; dwSensor < pHWiNFOMemory->dwNumSensorElements; dwSensor++)
+	{
+		PHWiNFO_SENSORS_SENSOR_ELEMENT sensor = (PHWiNFO_SENSORS_SENSOR_ELEMENT) ((BYTE*)pHWiNFOMemory + 
+			pHWiNFOMemory->dwOffsetOfSensorSection + 
+			(pHWiNFOMemory->dwSizeOfSensorElement * dwSensor));
+		
+		// TODO: process sensor
+	}
+	
+	// loop through all available readings
+	for (DWORD dwReading = 0; dwReading < pHWiNFOMemory->dwNumReadingElements; dwReading++)
+	{
+		PHWiNFO_SENSORS_READING_ELEMENT reading = (PHWiNFO_SENSORS_READING_ELEMENT) ((BYTE*)pHWiNFOMemory + 
+			pHWiNFOMemory->dwOffsetOfReadingSection + 
+			(pHWiNFOMemory->dwSizeOfReadingElement * dwReading));
+		
+		// TODO: process reading
+	}
+}
+
+*/
--- a/internal/hwinfo/mutex/mutex.go
+++ b/internal/hwinfo/mutex/mutex.go
@ -0,0 +1,38 @@
+package mutex
+
+/*
+#include <windows.h>
+#include "../hwisenssm2.h"
+*/
+import "C"
+import (
+	"fmt"
+	"sync"
+	"unsafe"
+
+	"github.com/shayne/hwinfo-streamdeck/internal/hwinfo/util"
+)
+
+var ghnd C.HANDLE
+var imut = sync.Mutex{}
+
+// Lock the global mutex
+func Lock() error {
+	imut.Lock()
+	lpName := C.CString(C.HWiNFO_SENSORS_SM2_MUTEX)
+	defer C.free(unsafe.Pointer(lpName))
+
+	ghnd = C.OpenMutex(C.READ_CONTROL, C.FALSE, lpName)
+	if ghnd == C.HANDLE(C.NULL) {
+		errstr := util.HandleLastError(uint64(C.GetLastError()))
+		return fmt.Errorf("failed to lock global mutex: %w", errstr)
+	}
+
+	return nil
+}
+
+// Unlock the global mutex
+func Unlock() {
+	defer imut.Unlock()
+	C.CloseHandle(ghnd)
+}
--- a/internal/hwinfo/plugin/plugin.go
+++ b/internal/hwinfo/plugin/plugin.go
@ -0,0 +1,70 @@
+package plugin
+
+import (
+	"github.com/shayne/hwinfo-streamdeck/internal/hwinfo"
+	hwsensorsservice "github.com/shayne/hwinfo-streamdeck/pkg/service"
+)
+
+// Plugin implementation
+type Plugin struct {
+	Service *Service
+}
+
+// PollTime implementation for plugin
+func (p *Plugin) PollTime() (uint64, error) {
+	shmem, err := p.Service.Shmem()
+	if err != nil {
+		return 0, err
+	}
+	return shmem.PollTime(), nil
+}
+
+// Sensors implementation for plugin
+func (p *Plugin) Sensors() ([]hwsensorsservice.Sensor, error) {
+	shmem, err := p.Service.Shmem()
+	if err != nil {
+		return nil, err
+	}
+	var sensors []hwsensorsservice.Sensor
+	for s := range shmem.IterSensors() {
+		sensors = append(sensors, &sensor{s})
+	}
+	return sensors, nil
+}
+
+// ReadingsForSensorID implementation for plugin
+func (p *Plugin) ReadingsForSensorID(id string) ([]hwsensorsservice.Reading, error) {
+	res, err := p.Service.ReadingsBySensorID(id)
+	if err != nil {
+		return nil, err
+	}
+	var readings []hwsensorsservice.Reading
+	for _, r := range res {
+		readings = append(readings, &reading{r})
+	}
+	return readings, nil
+}
+
+type sensor struct {
+	hwinfo.Sensor
+}
+
+func (s sensor) Name() string {
+	return s.NameOrig()
+}
+
+type reading struct {
+	hwinfo.Reading
+}
+
+func (r reading) Label() string {
+	return r.LabelOrig()
+}
+
+func (r reading) Type() string {
+	return r.Reading.Type().String()
+}
+
+func (r reading) TypeI() int32 {
+	return int32(r.Reading.Type())
+}
--- a/internal/hwinfo/plugin/service.go
+++ b/internal/hwinfo/plugin/service.go
@ -0,0 +1,128 @@
+package plugin
+
+import (
+	"fmt"
+	"sync"
+
+	"github.com/shayne/hwinfo-streamdeck/internal/hwinfo"
+)
+
+// Service wraps hwinfo shared mem streaming
+// and provides convenient methods for data access
+type Service struct {
+	streamch           <-chan hwinfo.Result
+	mu                 sync.RWMutex
+	sensorIDByIdx      []string
+	readingsBySensorID map[string][]hwinfo.Reading
+	shmem              *hwinfo.SharedMemory
+	readingsBuilt      bool
+}
+
+// Start starts the service providing updating hardware info
+func StartService() *Service {
+	return &Service{
+		streamch: hwinfo.StreamSharedMem(),
+	}
+}
+
+func (s *Service) recvShmem(shmem *hwinfo.SharedMemory) error {
+	if shmem == nil {
+		return fmt.Errorf("shmem nil")
+	}
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	s.shmem = shmem
+
+	s.sensorIDByIdx = s.sensorIDByIdx[:0]
+	for k, v := range s.readingsBySensorID {
+		s.readingsBySensorID[k] = v[:0]
+	}
+	s.readingsBuilt = false
+
+	return nil
+}
+
+// Recv receives new hardware sensor updates
+func (s *Service) Recv() error {
+	select {
+	case r := <-s.streamch:
+		if r.Err != nil {
+			return r.Err
+		}
+		return s.recvShmem(r.Shmem)
+	}
+}
+
+// Shmem provides access to underlying hwinfo shared memory
+func (s *Service) Shmem() (*hwinfo.SharedMemory, error) {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+
+	if s.shmem != nil {
+		return s.shmem, nil
+	}
+	return nil, fmt.Errorf("shmem nil")
+}
+
+// SensorIDByIdx returns ordered slice of sensor IDs
+func (s *Service) SensorIDByIdx() ([]string, error) {
+	s.mu.RLock()
+	if len(s.sensorIDByIdx) > 0 {
+		defer s.mu.RUnlock()
+		return s.sensorIDByIdx, nil
+	}
+	s.mu.RUnlock()
+
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	for sens := range s.shmem.IterSensors() {
+		s.sensorIDByIdx = append(s.sensorIDByIdx, sens.ID())
+	}
+
+	return s.sensorIDByIdx, nil
+}
+
+// ReadingsBySensorID returns slice of hwinfoReading for a given sensor ID
+func (s *Service) ReadingsBySensorID(id string) ([]hwinfo.Reading, error) {
+	s.mu.RLock()
+	if s.readingsBySensorID != nil && s.readingsBuilt {
+		defer s.mu.RUnlock()
+		readings, ok := s.readingsBySensorID[id]
+		if !ok {
+			return nil, fmt.Errorf("readings for sensor id %s do not exist", id)
+		}
+		return readings, nil
+	}
+	s.mu.RUnlock()
+
+	sids, err := s.SensorIDByIdx()
+	if err != nil {
+		return nil, err
+	}
+
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	if s.readingsBySensorID == nil {
+		s.readingsBySensorID = make(map[string][]hwinfo.Reading)
+	}
+
+	for r := range s.shmem.IterReadings() {
+		sidx := int(r.SensorIndex())
+		if sidx < len(sids) {
+			sid := sids[sidx]
+			s.readingsBySensorID[sid] = append(s.readingsBySensorID[sid], r)
+		} else {
+			return nil, fmt.Errorf("sensor at index %d out of range ", sidx)
+		}
+	}
+	s.readingsBuilt = true
+
+	readings, ok := s.readingsBySensorID[id]
+	if !ok {
+		return nil, fmt.Errorf("readings for sensor id %s do not exist", id)
+	}
+	return readings, nil
+}
--- a/internal/hwinfo/reading.go
+++ b/internal/hwinfo/reading.go
@ -0,0 +1,124 @@
+package hwinfo
+
+/*
+#include <windows.h>
+#include "hwisenssm2.h"
+*/
+import "C"
+import (
+	"unsafe"
+
+	"github.com/shayne/hwinfo-streamdeck/internal/hwinfo/util"
+)
+
+// ReadingType enum of value/unit type for reading
+type ReadingType int
+
+const (
+	// ReadingTypeNone no type
+	ReadingTypeNone ReadingType = iota
+	// ReadingTypeTemp temperature in celsius
+	ReadingTypeTemp
+	// ReadingTypeVolt voltage
+	ReadingTypeVolt
+	// ReadingTypeFan RPM
+	ReadingTypeFan
+	// ReadingTypeCurrent amps
+	ReadingTypeCurrent
+	// ReadingTypePower watts
+	ReadingTypePower
+	// ReadingTypeClock Mhz
+	ReadingTypeClock
+	// ReadingTypeUsage e.g. MBs
+	ReadingTypeUsage
+	// ReadingTypeOther other
+	ReadingTypeOther
+)
+
+func (t ReadingType) String() string {
+	return [...]string{"None", "Temp", "Volt", "Fan", "Current", "Power", "Clock", "Usage", "Other"}[t]
+}
+
+// Reading element (e.g. usage, power, mhz...)
+type Reading struct {
+	cr C.PHWiNFO_SENSORS_READING_ELEMENT
+}
+
+// NewReading contructs a Reading
+func NewReading(data []byte) Reading {
+	return Reading{
+		cr: C.PHWiNFO_SENSORS_READING_ELEMENT(unsafe.Pointer(&data[0])),
+	}
+}
+
+// ID unique ID of the reading within a particular sensor
+func (r *Reading) ID() int32 {
+	return int32(r.cr.dwReadingID)
+}
+
+// Type of sensor reading
+func (r *Reading) Type() ReadingType {
+	return ReadingType(r.cr.tReading)
+}
+
+// SensorIndex this is the index of sensor in the Sensors[] array to
+// which this reading belongs to
+func (r *Reading) SensorIndex() uint64 {
+	return uint64(r.cr.dwSensorIndex)
+}
+
+// ReadingID a unique ID of the reading within a particular sensor
+func (r *Reading) ReadingID() uint64 {
+	return uint64(r.cr.dwReadingID)
+}
+
+// LabelOrig original label (e.g. "Chassis2 Fan")
+func (r *Reading) LabelOrig() string {
+	return util.DecodeCharPtr(unsafe.Pointer(&r.cr.szLabelOrig), C.HWiNFO_SENSORS_STRING_LEN2)
+}
+
+// LabelUser label displayed, which might have been renamed by user
+func (r *Reading) LabelUser() string {
+	return util.DecodeCharPtr(unsafe.Pointer(&r.cr.szLabelUser), C.HWiNFO_SENSORS_STRING_LEN2)
+}
+
+// Unit e.g. "RPM"
+func (r *Reading) Unit() string {
+	return util.DecodeCharPtr(unsafe.Pointer(&r.cr.szUnit), C.HWiNFO_UNIT_STRING_LEN)
+}
+
+func (r *Reading) valuePtr() unsafe.Pointer {
+	return unsafe.Pointer(uintptr(unsafe.Pointer(&r.cr.szUnit)) + C.HWiNFO_UNIT_STRING_LEN)
+}
+
+// Value current value
+func (r *Reading) Value() float64 {
+	return float64(*(*C.double)(r.valuePtr()))
+}
+
+func (r *Reading) valueMinPtr() unsafe.Pointer {
+	return unsafe.Pointer(uintptr(r.valuePtr()) + C.sizeof_double)
+}
+
+// ValueMin current value
+func (r *Reading) ValueMin() float64 {
+	return float64(*(*C.double)(r.valueMinPtr()))
+}
+
+func (r *Reading) valueMaxPtr() unsafe.Pointer {
+	return unsafe.Pointer(uintptr(r.valueMinPtr()) + C.sizeof_double)
+}
+
+// ValueMax current value
+func (r *Reading) ValueMax() float64 {
+	return float64(*(*C.double)(r.valueMaxPtr()))
+}
+
+func (r *Reading) valueAvgPtr() unsafe.Pointer {
+	return unsafe.Pointer(uintptr(r.valueMaxPtr()) + C.sizeof_double)
+}
+
+// ValueAvg current value
+func (r *Reading) ValueAvg() float64 {
+	return float64(*(*C.double)(r.valueAvgPtr()))
+}
--- a/internal/hwinfo/sensor.go
+++ b/internal/hwinfo/sensor.go
@ -0,0 +1,52 @@
+package hwinfo
+
+/*
+#include <windows.h>
+#include "hwisenssm2.h"
+*/
+import "C"
+
+import (
+	"strconv"
+	"unsafe"
+
+	"github.com/shayne/hwinfo-streamdeck/internal/hwinfo/util"
+)
+
+// Sensor element (e.g. motherboard, cpu, gpu...)
+type Sensor struct {
+	cs C.PHWiNFO_SENSORS_SENSOR_ELEMENT
+}
+
+// NewSensor constructs a Sensor
+func NewSensor(data []byte) Sensor {
+	return Sensor{
+		cs: C.PHWiNFO_SENSORS_SENSOR_ELEMENT(unsafe.Pointer(&data[0])),
+	}
+}
+
+// SensorID a unique Sensor ID
+func (s *Sensor) SensorID() uint64 {
+	return uint64(s.cs.dwSensorID)
+}
+
+// SensorInst the instance of the sensor (together with SensorID forms a unique ID)
+func (s *Sensor) SensorInst() uint64 {
+	return uint64(s.cs.dwSensorInst)
+}
+
+// ID a unique ID combining SensorID and SensorInst
+func (s *Sensor) ID() string {
+	// keeping old method used in legacy steam deck plugin
+	return strconv.FormatUint(s.SensorID()*100+s.SensorInst(), 10)
+}
+
+// NameOrig original name of sensor
+func (s *Sensor) NameOrig() string {
+	return util.DecodeCharPtr(unsafe.Pointer(&s.cs.szSensorNameOrig), C.HWiNFO_SENSORS_STRING_LEN2)
+}
+
+// NameUser sensor name displayed, which might have been renamed by user
+func (s *Sensor) NameUser() string {
+	return util.DecodeCharPtr(unsafe.Pointer(&s.cs.szSensorNameUser), C.HWiNFO_SENSORS_STRING_LEN2)
+}
--- a/internal/hwinfo/shmem/shmem.go
+++ b/internal/hwinfo/shmem/shmem.go
@ -0,0 +1,95 @@
+package shmem
+
+/*
+#include <windows.h>
+#include "../hwisenssm2.h"
+*/
+import "C"
+
+import (
+	"fmt"
+	"reflect"
+	"syscall"
+	"unsafe"
+
+	"github.com/shayne/hwinfo-streamdeck/internal/hwinfo/mutex"
+	"github.com/shayne/hwinfo-streamdeck/internal/hwinfo/util"
+	"golang.org/x/sys/windows"
+)
+
+var buf = make([]byte, 200000)
+
+func copyBytes(addr uintptr) []byte {
+	headerLen := C.sizeof_HWiNFO_SENSORS_SHARED_MEM2
+
+	var d []byte
+	dh := (*reflect.SliceHeader)(unsafe.Pointer(&d))
+
+	dh.Data = addr
+	dh.Len, dh.Cap = headerLen, headerLen
+
+	cheader := C.PHWiNFO_SENSORS_SHARED_MEM2(unsafe.Pointer(&d[0]))
+	fullLen := int(cheader.dwOffsetOfReadingSection + (cheader.dwSizeOfReadingElement * cheader.dwNumReadingElements))
+
+	if fullLen > cap(buf) {
+		buf = append(buf, make([]byte, fullLen-cap(buf))...)
+	}
+
+	dh.Len, dh.Cap = fullLen, fullLen
+
+	copy(buf, d)
+
+	return buf[:fullLen]
+}
+
+// ReadBytes copies bytes from global shared memory
+func ReadBytes() ([]byte, error) {
+	err := mutex.Lock()
+	defer mutex.Unlock()
+	if err != nil {
+		return nil, err
+	}
+
+	hnd, err := openFileMapping()
+	if err != nil {
+		return nil, err
+	}
+	addr, err := mapViewOfFile(hnd)
+	if err != nil {
+		return nil, err
+	}
+	defer unmapViewOfFile(addr)
+	defer windows.CloseHandle(windows.Handle(unsafe.Pointer(hnd)))
+
+	return copyBytes(addr), nil
+}
+
+func openFileMapping() (C.HANDLE, error) {
+	lpName := C.CString("Global\\HWiNFO_SENS_SM2_REMOTE_0")
+	defer C.free(unsafe.Pointer(lpName))
+
+	hnd := C.OpenFileMapping(syscall.FILE_MAP_READ, 0, lpName)
+	if hnd == C.HANDLE(C.NULL) {
+		errstr := util.HandleLastError(uint64(C.GetLastError()))
+		return nil, fmt.Errorf("OpenFileMapping: %w", errstr)
+	}
+
+	return hnd, nil
+}
+
+func mapViewOfFile(hnd C.HANDLE) (uintptr, error) {
+	addr, err := windows.MapViewOfFile(windows.Handle(unsafe.Pointer(hnd)), C.FILE_MAP_READ, 0, 0, 0)
+	if err != nil {
+		return 0, fmt.Errorf("MapViewOfFile: %w", err)
+	}
+
+	return addr, nil
+}
+
+func unmapViewOfFile(ptr uintptr) error {
+	err := windows.UnmapViewOfFile(ptr)
+	if err != nil {
+		return fmt.Errorf("UnmapViewOfFile: %w", err)
+	}
+	return nil
+}
--- a/internal/hwinfo/util/util.go
+++ b/internal/hwinfo/util/util.go
@ -0,0 +1,61 @@
+package util
+
+import "C"
+
+import (
+	"errors"
+	"fmt"
+	"log"
+	"strings"
+	"unsafe"
+
+	"golang.org/x/text/encoding/charmap"
+)
+
+// ErrFileNotFound Windows error
+var ErrFileNotFound = errors.New("file not found")
+
+// ErrInvalidHandle Windows error
+var ErrInvalidHandle = errors.New("invalid handle")
+
+// UnknownError unhandled Windows error
+type UnknownError struct {
+	Code uint64
+}
+
+func (e UnknownError) Error() string {
+	return fmt.Sprintf("unknown error code: %d", e.Code)
+}
+
+// HandleLastError converts C.GetLastError() to golang error
+func HandleLastError(code uint64) error {
+	switch code {
+	case 2: // ERROR_FILE_NOT_FOUND
+		return ErrFileNotFound
+	case 6: // ERROR_INVALID_HANDLE
+		return ErrInvalidHandle
+	default:
+		return UnknownError{Code: code}
+	}
+}
+
+func goStringFromPtr(ptr unsafe.Pointer, len int) string {
+	s := C.GoStringN((*C.char)(ptr), C.int(len))
+	return s[:strings.IndexByte(s, 0)]
+}
+
+// DecodeCharPtr decodes ISO8859_1 string to UTF-8
+func DecodeCharPtr(ptr unsafe.Pointer, len int) string {
+	s := goStringFromPtr(ptr, len)
+	ds, err := decodeISO8859_1(s)
+	if err != nil {
+		log.Fatalf("TODO: failed to decode: %v", err)
+	}
+	return ds
+}
+
+var isodecoder = charmap.ISO8859_1.NewDecoder()
+
+func decodeISO8859_1(in string) (string, error) {
+	return isodecoder.String(in)
+}
--- a/kill-streamdeck.bat
+++ b/kill-streamdeck.bat
@ -0,0 +1,2 @@
+@echo off
+taskkill /F /IM StreamDeck.exe /T
--- a/make-release.bat
+++ b/make-release.bat
@ -0,0 +1,3 @@
+@echo off
+del build\com.exension.hwinfo.streamDeckPlugin
+DistributionTool.exe com.exension.hwinfo.sdPlugin build
--- a/pkg/graph/graph.go
+++ b/pkg/graph/graph.go
@ -0,0 +1,327 @@
+package graph
+
+import (
+	"bytes"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"math"
+	"regexp"
+
+	"github.com/golang/freetype/truetype"
+	"golang.org/x/image/font"
+	"golang.org/x/image/math/fixed"
+
+	"image"
+	"image/color"
+	"image/png"
+	"sync"
+)
+
+// Label struct contains text, position and color information
+type Label struct {
+	text     string
+	y        uint
+	fontSize float64
+	clr      *color.RGBA
+}
+
+// Graph is used to display a histogram of data passed to Update
+type Graph struct {
+	img *image.RGBA
+
+	lvay   int
+	width  int
+	height int
+	min    int
+	max    int
+
+	yvals []uint8
+
+	fgColor *color.RGBA
+	bgColor *color.RGBA
+	hlColor *color.RGBA
+
+	labels map[int]*Label
+	drawn  bool
+	redraw bool
+}
+
+// FontFaceManager builds and caches fonts based on size
+type FontFaceManager struct {
+	mux       sync.Mutex
+	fontCache map[float64]font.Face
+}
+
+// NewFontFaceManager constructs new manager
+func NewFontFaceManager() *FontFaceManager {
+	return &FontFaceManager{fontCache: make(map[float64]font.Face)}
+}
+
+func (f *FontFaceManager) newFace(size float64) font.Face {
+	b, err := ioutil.ReadFile("DejaVuSans-Bold.ttf")
+	if err != nil {
+		log.Fatal(err)
+	}
+	tt, err := truetype.Parse(b)
+	if err != nil {
+		log.Fatal("failed to parse font")
+	}
+	face := truetype.NewFace(tt, &truetype.Options{Size: size, DPI: 72})
+	return face
+}
+
+// GetFaceOfSize returns font face for given size
+func (f *FontFaceManager) GetFaceOfSize(size float64) font.Face {
+	f.mux.Lock()
+	defer f.mux.Unlock()
+	if f, ok := f.fontCache[size]; ok {
+		return f
+	}
+	nf := f.newFace(size)
+	f.fontCache[size] = nf
+	return nf
+}
+
+type singleshared struct {
+	fontFaceManager *FontFaceManager
+	pngEnc          *png.Encoder
+	pngBuf          *bytes.Buffer
+}
+
+var sharedinstance *singleshared
+var once sync.Once
+
+func shared() *singleshared {
+	once.Do(func() {
+		sharedinstance = &singleshared{
+			pngEnc: &png.Encoder{
+				CompressionLevel: png.NoCompression,
+			},
+			pngBuf: bytes.NewBuffer(make([]byte, 0, 15697)),
+		}
+		sharedinstance.fontFaceManager = NewFontFaceManager()
+	})
+	return sharedinstance
+}
+
+// NewGraph initializes a new Graph for rendering
+func NewGraph(width, height, min, max int, fgColor, bgColor, hlColor *color.RGBA) *Graph {
+	img := image.NewRGBA(image.Rect(0, 0, int(width), int(height)))
+	labels := make(map[int]*Label)
+
+	return &Graph{
+		img:    img,
+		lvay:   -1,
+		width:  width,
+		height: height,
+		min:    min,
+		max:    max,
+		labels: labels,
+
+		yvals: make([]uint8, 0, width),
+
+		fgColor: fgColor,
+		bgColor: bgColor,
+		hlColor: hlColor,
+	}
+}
+
+// SetForegroundColor sets the foreground color of the graph
+func (g *Graph) SetForegroundColor(clr *color.RGBA) {
+	g.fgColor = clr
+	g.redraw = true
+}
+
+// SetBackgroundColor sets the background color of the graph
+func (g *Graph) SetBackgroundColor(clr *color.RGBA) {
+	g.bgColor = clr
+	g.redraw = true
+}
+
+// SetHighlightColor sets the highlight color of the graph
+func (g *Graph) SetHighlightColor(clr *color.RGBA) {
+	g.hlColor = clr
+	g.redraw = true
+}
+
+// SetMin sets the min value for the graph scale
+func (g *Graph) SetMin(min int) {
+	g.min = min
+}
+
+// SetMax sets the max value for the graph scale
+func (g *Graph) SetMax(max int) {
+	g.max = max
+}
+
+// SetLabel given a key, set the initial text, position and color
+func (g *Graph) SetLabel(key int, text string, y uint, clr *color.RGBA) {
+	l := &Label{text: text, y: y, clr: clr}
+	g.labels[key] = l
+}
+
+// SetLabelText given a key, update the text for a pre-set label
+func (g *Graph) SetLabelText(key int, text string) error {
+	l, ok := g.labels[key]
+	if !ok {
+		return fmt.Errorf("Label with key (%d) does not exist", key)
+	}
+	l.text = text
+	return nil
+}
+
+// SetLabelFontSize given a key, update the text for a pre-set label
+func (g *Graph) SetLabelFontSize(key int, size float64) error {
+	l, ok := g.labels[key]
+	if !ok {
+		return fmt.Errorf("Label with key (%d) does not exist", key)
+	}
+	l.fontSize = size
+	return nil
+}
+
+// SetLabelColor given a key and color, sets the color of the text
+func (g *Graph) SetLabelColor(key int, clr *color.RGBA) error {
+	l, ok := g.labels[key]
+	if !ok {
+		return fmt.Errorf("Label with key (%d) does not exist", key)
+	}
+	l.clr = clr
+	return nil
+}
+
+func (g *Graph) drawGraph(x, vay, maxx int) {
+	var clr *color.RGBA
+	for ; x <= maxx; x++ {
+		for y := 0; y < g.height; y++ {
+			if y == vay {
+				clr = g.hlColor
+			} else if g.lvay != -1 && vay > g.lvay && vay >= y && y >= g.lvay {
+				clr = g.hlColor
+			} else if g.lvay != -1 && vay < g.lvay && vay <= y && y <= g.lvay {
+				clr = g.hlColor
+			} else if vay > y {
+				clr = g.fgColor
+			} else {
+				clr = g.bgColor
+			}
+			i := g.img.PixOffset(x, g.width-1-y)
+			g.img.Pix[i+0] = clr.R
+			g.img.Pix[i+1] = clr.G
+			g.img.Pix[i+2] = clr.B
+			g.img.Pix[i+3] = clr.A
+		}
+		g.lvay = vay
+	}
+}
+
+// Update given a value draws the graph, shifting contents left. Call EncodePNG to get a rendered PNG
+func (g *Graph) Update(value float64) {
+	vay := vAsY(g.height-1, value, g.min, g.max)
+
+	if len(g.yvals) >= g.width {
+		_, a := g.yvals[0], g.yvals[1:]
+		g.yvals = a
+	}
+	g.yvals = append(g.yvals, uint8(vay))
+
+	if g.redraw {
+		g.lvay = -1
+		lyvals := len(g.yvals)
+		for idx := lyvals - 1; idx >= 0; idx-- {
+			x := g.width - lyvals + idx
+			maxx := x
+			if idx == 0 {
+				x = 0
+			}
+			v := int(g.yvals[idx])
+			g.drawGraph(x, v, maxx)
+		}
+		g.lvay = int(g.yvals[lyvals-1])
+		g.redraw = false
+	} else if g.drawn {
+		// shift the graph left 1px
+		for y := 0; y < g.height; y++ {
+			idx := g.img.PixOffset(0, y)
+			p1 := g.img.Pix[:idx]
+			p2 := g.img.Pix[idx+4 : idx+(g.width*4)]
+			p3 := g.img.Pix[idx+(g.width*4):]
+			g.img.Pix = append(p1, append(append(p2, []uint8{0, 0, 0, 0}...), p3...)...)
+		}
+		g.drawGraph(int(g.width)-1, int(vay), g.width-1)
+	} else {
+		g.drawGraph(0, vay, g.width-1)
+		g.drawn = true
+	}
+}
+
+// EncodePNG renders the current state of the graph
+func (g *Graph) EncodePNG() ([]byte, error) {
+	bak := append(g.img.Pix[:0:0], g.img.Pix...)
+	for _, l := range g.labels {
+		g.drawLabel(l)
+	}
+	shared := shared()
+	err := shared.pngEnc.Encode(shared.pngBuf, g.img)
+	if err != nil {
+		return nil, err
+	}
+	g.img.Pix = bak
+	bts := shared.pngBuf.Bytes()
+	shared.pngBuf.Reset()
+	return bts, nil
+}
+
+func vAsY(maxY int, v float64, minV, maxV int) int {
+	r := maxV - minV
+	v1 := v - float64(minV)
+	yf := v1 / float64(r) * float64(maxY)
+	yi := int(math.Round(yf))
+	return yi
+}
+
+func unfix(x fixed.Int26_6) float64 {
+	const shift, mask = 6, 1<<6 - 1
+	if x >= 0 {
+		return float64(x>>shift) + float64(x&mask)/64
+	}
+	x = -x
+	if x >= 0 {
+		return -(float64(x>>shift) + float64(x&mask)/64)
+	}
+	return 0
+}
+
+var newlineRegex = regexp.MustCompile("(\n|\\\\n)+")
+
+func (g *Graph) drawLabel(l *Label) {
+	shared := shared()
+	lines := newlineRegex.Split(l.text, -1)
+	face := shared.fontFaceManager.GetFaceOfSize(l.fontSize)
+	curY := l.y - uint(10.5-float64(face.Metrics().Height.Round()))
+
+	for _, line := range lines {
+		var lwidth float64
+		for _, x := range line {
+			awidth, ok := face.GlyphAdvance(rune(x))
+			if ok != true {
+				log.Println("drawLabel: Failed to GlyphAdvance")
+				return
+			}
+			lwidth += unfix(awidth)
+		}
+
+		lx := (float64(g.width) / 2.) - (lwidth / 2.)
+		point := fixed.Point26_6{X: fixed.Int26_6(lx * 64), Y: fixed.Int26_6(curY * 64)}
+
+		d := &font.Drawer{
+			Dst:  g.img,
+			Src:  image.NewUniform(l.clr),
+			Face: face,
+			Dot:  point,
+		}
+		d.DrawString(line)
+		curY += 12
+	}
+}
--- a/pkg/service/grpc.go
+++ b/pkg/service/grpc.go
@ -0,0 +1,126 @@
+package hwsensorsservice
+
+import (
+	"context"
+	"errors"
+	"io"
+
+	"github.com/golang/protobuf/ptypes/empty"
+	"github.com/shayne/hwinfo-streamdeck/pkg/service/proto"
+)
+
+// GRPCClient is an implementation of KV that talks over RPC.
+type GRPCClient struct {
+	Client proto.HWServiceClient
+}
+
+// PollTime rpc call
+func (c *GRPCClient) PollTime() (uint64, error) {
+	resp, err := c.Client.PollTime(context.Background(), &empty.Empty{})
+	if err != nil {
+		return 0, err
+	}
+	return resp.GetPollTime(), nil
+}
+
+// Sensors implementation
+func (c *GRPCClient) Sensors() ([]Sensor, error) {
+	stream, err := c.Client.Sensors(context.Background(), &empty.Empty{})
+	if err != nil {
+		return nil, err
+	}
+
+	var sensors []Sensor
+	for {
+		s, err := stream.Recv()
+		if errors.Is(err, io.EOF) {
+			break
+		}
+		if err != nil {
+			return nil, err
+		}
+		sensors = append(sensors, &sensor{s})
+	}
+
+	return sensors, nil
+}
+
+// ReadingsForSensorID implementation
+func (c *GRPCClient) ReadingsForSensorID(id string) ([]Reading, error) {
+	stream, err := c.Client.ReadingsForSensorID(context.Background(), &proto.SensorIDRequest{Id: id})
+	if err != nil {
+		return nil, err
+	}
+
+	var readings []Reading
+	for {
+		r, err := stream.Recv()
+		if errors.Is(err, io.EOF) {
+			break
+		}
+		if err != nil {
+			return nil, err
+		}
+		readings = append(readings, &reading{r})
+	}
+
+	return readings, nil
+}
+
+// GRPCServer is the gRPC server that GRPCClient talks to.
+type GRPCServer struct {
+	// This is the real implementation
+	Impl HardwareService
+	proto.UnimplementedHWServiceServer
+}
+
+// PollTime gRPC wrapper
+func (s *GRPCServer) PollTime(ctx context.Context, _ *empty.Empty) (*proto.PollTimeReply, error) {
+	v, err := s.Impl.PollTime()
+	return &proto.PollTimeReply{PollTime: v}, err
+}
+
+// Sensors gRPC wrapper
+func (s *GRPCServer) Sensors(_ *empty.Empty, stream proto.HWService_SensorsServer) error {
+	sensors, err := s.Impl.Sensors()
+	if err != nil {
+		return err
+	}
+
+	for _, sensor := range sensors {
+		if err := stream.Send(&proto.Sensor{
+			ID:   sensor.ID(),
+			Name: sensor.Name(),
+		}); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// ReadingsForSensorID gRPC wrapper
+func (s *GRPCServer) ReadingsForSensorID(req *proto.SensorIDRequest, stream proto.HWService_ReadingsForSensorIDServer) error {
+	readings, err := s.Impl.ReadingsForSensorID(req.GetId())
+	if err != nil {
+		return err
+	}
+
+	for _, reading := range readings {
+		if err := stream.Send(&proto.Reading{
+			ID:       reading.ID(),
+			TypeI:    reading.TypeI(),
+			Type:     reading.Type(),
+			Label:    reading.Label(),
+			Unit:     reading.Unit(),
+			Value:    reading.Value(),
+			ValueMin: reading.ValueMin(),
+			ValueMax: reading.ValueMax(),
+			ValueAvg: reading.ValueAvg(),
+		}); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
--- a/pkg/service/interface.go
+++ b/pkg/service/interface.go
@ -0,0 +1,149 @@
+package hwsensorsservice
+
+import (
+	"context"
+
+	"google.golang.org/grpc"
+
+	"github.com/hashicorp/go-plugin"
+	"github.com/shayne/hwinfo-streamdeck/pkg/service/proto"
+)
+
+// Handshake is a common handshake that is shared by plugin and host.
+var Handshake = plugin.HandshakeConfig{
+	// This isn't required when using VersionedPlugins
+	ProtocolVersion:  1,
+	MagicCookieKey:   "BASIC_PLUGIN",
+	MagicCookieValue: "hello",
+}
+
+// PluginMap is the map of plugins we can dispense.
+var PluginMap = map[string]plugin.Plugin{
+	"hwinfoplugin": &HardwareServicePlugin{},
+}
+
+// HardwareService is the interface that we're exposing as a plugin.
+type HardwareService interface {
+	PollTime() (uint64, error)
+	Sensors() ([]Sensor, error)
+	ReadingsForSensorID(id string) ([]Reading, error)
+}
+
+// HardwareServicePlugin is the implementation of plugin.GRPCPlugin so we can serve/consume this.
+type HardwareServicePlugin struct {
+	// GRPCPlugin must still implement the Plugin interface
+	plugin.Plugin
+	// Concrete implementation, written in Go. This is only used for plugins
+	// that are written in Go.
+	Impl HardwareService
+}
+
+// GRPCServer constructor
+func (p *HardwareServicePlugin) GRPCServer(broker *plugin.GRPCBroker, s *grpc.Server) error {
+	proto.RegisterHWServiceServer(s, &GRPCServer{Impl: p.Impl})
+	return nil
+}
+
+// GRPCClient constructor
+func (p *HardwareServicePlugin) GRPCClient(ctx context.Context, broker *plugin.GRPCBroker, c *grpc.ClientConn) (interface{}, error) {
+	return &GRPCClient{Client: proto.NewHWServiceClient(c)}, nil
+}
+
+// Sensor is the common hardware interface for a sensor
+type Sensor interface {
+	ID() string
+	Name() string
+}
+
+// ReadingType enum of value/unit type for reading
+type ReadingType int
+
+const (
+	// ReadingTypeNone no type
+	ReadingTypeNone ReadingType = iota
+	// ReadingTypeTemp temperature in celsius
+	ReadingTypeTemp
+	// ReadingTypeVolt voltage
+	ReadingTypeVolt
+	// ReadingTypeFan RPM
+	ReadingTypeFan
+	// ReadingTypeCurrent amps
+	ReadingTypeCurrent
+	// ReadingTypePower watts
+	ReadingTypePower
+	// ReadingTypeClock Mhz
+	ReadingTypeClock
+	// ReadingTypeUsage e.g. MBs
+	ReadingTypeUsage
+	// ReadingTypeOther other
+	ReadingTypeOther
+)
+
+func (t ReadingType) String() string {
+	return [...]string{"None", "Temp", "Volt", "Fan", "Current", "Power", "Clock", "Usage", "Other"}[t]
+}
+
+// Reading is the common hardware interface for a sensor's reading
+type Reading interface {
+	ID() int32
+	TypeI() int32
+	Type() string
+	Label() string
+	Unit() string
+	Value() float64
+	ValueMin() float64
+	ValueMax() float64
+	ValueAvg() float64
+}
+
+type sensor struct {
+	*proto.Sensor
+}
+
+func (s sensor) ID() string {
+	return s.Sensor.GetID()
+}
+
+func (s sensor) Name() string {
+	return s.Sensor.GetName()
+}
+
+type reading struct {
+	*proto.Reading
+}
+
+func (r reading) ID() int32 {
+	return r.Reading.GetID()
+}
+
+func (r reading) Label() string {
+	return r.Reading.GetLabel()
+}
+
+func (r reading) Type() string {
+	return r.Reading.GetType()
+}
+
+func (r reading) TypeI() int32 {
+	return r.Reading.GetTypeI()
+}
+
+func (r reading) Unit() string {
+	return r.Reading.GetUnit()
+}
+
+func (r reading) Value() float64 {
+	return r.Reading.GetValue()
+}
+
+func (r reading) ValueMin() float64 {
+	return r.Reading.GetValueMin()
+}
+
+func (r reading) ValueMax() float64 {
+	return r.Reading.GetValueMax()
+}
+
+func (r reading) ValueAvg() float64 {
+	return r.Reading.GetValueAvg()
+}
--- a/pkg/service/proto/hwservice.pb.go
+++ b/pkg/service/proto/hwservice.pb.go
@ -0,0 +1,439 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
+// source: pkg/service/proto/hwservice.proto
+
+package proto
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	emptypb "google.golang.org/protobuf/types/known/emptypb"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type PollTimeReply struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	PollTime uint64 `protobuf:"varint,1,opt,name=pollTime,proto3" json:"pollTime,omitempty"`
+}
+
+func (x *PollTimeReply) Reset() {
+	*x = PollTimeReply{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_pkg_service_proto_hwservice_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *PollTimeReply) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*PollTimeReply) ProtoMessage() {}
+
+func (x *PollTimeReply) ProtoReflect() protoreflect.Message {
+	mi := &file_pkg_service_proto_hwservice_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use PollTimeReply.ProtoReflect.Descriptor instead.
+func (*PollTimeReply) Descriptor() ([]byte, []int) {
+	return file_pkg_service_proto_hwservice_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *PollTimeReply) GetPollTime() uint64 {
+	if x != nil {
+		return x.PollTime
+	}
+	return 0
+}
+
+type Sensor struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	ID   string `protobuf:"bytes,1,opt,name=ID,proto3" json:"ID,omitempty"`
+	Name string `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (x *Sensor) Reset() {
+	*x = Sensor{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_pkg_service_proto_hwservice_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Sensor) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Sensor) ProtoMessage() {}
+
+func (x *Sensor) ProtoReflect() protoreflect.Message {
+	mi := &file_pkg_service_proto_hwservice_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Sensor.ProtoReflect.Descriptor instead.
+func (*Sensor) Descriptor() ([]byte, []int) {
+	return file_pkg_service_proto_hwservice_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *Sensor) GetID() string {
+	if x != nil {
+		return x.ID
+	}
+	return ""
+}
+
+func (x *Sensor) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+type SensorIDRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+}
+
+func (x *SensorIDRequest) Reset() {
+	*x = SensorIDRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_pkg_service_proto_hwservice_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SensorIDRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SensorIDRequest) ProtoMessage() {}
+
+func (x *SensorIDRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_pkg_service_proto_hwservice_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SensorIDRequest.ProtoReflect.Descriptor instead.
+func (*SensorIDRequest) Descriptor() ([]byte, []int) {
+	return file_pkg_service_proto_hwservice_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *SensorIDRequest) GetId() string {
+	if x != nil {
+		return x.Id
+	}
+	return ""
+}
+
+type Reading struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	ID       int32   `protobuf:"varint,1,opt,name=ID,proto3" json:"ID,omitempty"`
+	TypeI    int32   `protobuf:"varint,2,opt,name=typeI,proto3" json:"typeI,omitempty"`
+	Type     string  `protobuf:"bytes,3,opt,name=type,proto3" json:"type,omitempty"`
+	Label    string  `protobuf:"bytes,4,opt,name=label,proto3" json:"label,omitempty"`
+	Unit     string  `protobuf:"bytes,5,opt,name=unit,proto3" json:"unit,omitempty"`
+	Value    float64 `protobuf:"fixed64,6,opt,name=value,proto3" json:"value,omitempty"`
+	ValueMin float64 `protobuf:"fixed64,7,opt,name=valueMin,proto3" json:"valueMin,omitempty"`
+	ValueMax float64 `protobuf:"fixed64,8,opt,name=valueMax,proto3" json:"valueMax,omitempty"`
+	ValueAvg float64 `protobuf:"fixed64,9,opt,name=valueAvg,proto3" json:"valueAvg,omitempty"`
+}
+
+func (x *Reading) Reset() {
+	*x = Reading{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_pkg_service_proto_hwservice_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Reading) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Reading) ProtoMessage() {}
+
+func (x *Reading) ProtoReflect() protoreflect.Message {
+	mi := &file_pkg_service_proto_hwservice_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Reading.ProtoReflect.Descriptor instead.
+func (*Reading) Descriptor() ([]byte, []int) {
+	return file_pkg_service_proto_hwservice_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *Reading) GetID() int32 {
+	if x != nil {
+		return x.ID
+	}
+	return 0
+}
+
+func (x *Reading) GetTypeI() int32 {
+	if x != nil {
+		return x.TypeI
+	}
+	return 0
+}
+
+func (x *Reading) GetType() string {
+	if x != nil {
+		return x.Type
+	}
+	return ""
+}
+
+func (x *Reading) GetLabel() string {
+	if x != nil {
+		return x.Label
+	}
+	return ""
+}
+
+func (x *Reading) GetUnit() string {
+	if x != nil {
+		return x.Unit
+	}
+	return ""
+}
+
+func (x *Reading) GetValue() float64 {
+	if x != nil {
+		return x.Value
+	}
+	return 0
+}
+
+func (x *Reading) GetValueMin() float64 {
+	if x != nil {
+		return x.ValueMin
+	}
+	return 0
+}
+
+func (x *Reading) GetValueMax() float64 {
+	if x != nil {
+		return x.ValueMax
+	}
+	return 0
+}
+
+func (x *Reading) GetValueAvg() float64 {
+	if x != nil {
+		return x.ValueAvg
+	}
+	return 0
+}
+
+var File_pkg_service_proto_hwservice_proto protoreflect.FileDescriptor
+
+var file_pkg_service_proto_hwservice_proto_rawDesc = []byte{
+	0x0a, 0x21, 0x70, 0x6b, 0x67, 0x2f, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x2f, 0x70, 0x72,
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+	0x2f, 0x73, 0x68, 0x61, 0x79, 0x6e, 0x65, 0x2f, 0x68, 0x77, 0x69, 0x6e, 0x66, 0x6f, 0x2d, 0x73,
+	0x74, 0x72, 0x65, 0x61, 0x6d, 0x64, 0x65, 0x63, 0x6b, 0x2f, 0x70, 0x6b, 0x67, 0x2f, 0x73, 0x65,
+	0x72, 0x76, 0x69, 0x63, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x06, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x33,
+}
+
+var (
+	file_pkg_service_proto_hwservice_proto_rawDescOnce sync.Once
+	file_pkg_service_proto_hwservice_proto_rawDescData = file_pkg_service_proto_hwservice_proto_rawDesc
+)
+
+func file_pkg_service_proto_hwservice_proto_rawDescGZIP() []byte {
+	file_pkg_service_proto_hwservice_proto_rawDescOnce.Do(func() {
+		file_pkg_service_proto_hwservice_proto_rawDescData = protoimpl.X.CompressGZIP(file_pkg_service_proto_hwservice_proto_rawDescData)
+	})
+	return file_pkg_service_proto_hwservice_proto_rawDescData
+}
+
+var file_pkg_service_proto_hwservice_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
+var file_pkg_service_proto_hwservice_proto_goTypes = []interface{}{
+	(*PollTimeReply)(nil),   // 0: proto.PollTimeReply
+	(*Sensor)(nil),          // 1: proto.Sensor
+	(*SensorIDRequest)(nil), // 2: proto.SensorIDRequest
+	(*Reading)(nil),         // 3: proto.Reading
+	(*emptypb.Empty)(nil),   // 4: google.protobuf.Empty
+}
+var file_pkg_service_proto_hwservice_proto_depIdxs = []int32{
+	4, // 0: proto.HWService.PollTime:input_type -> google.protobuf.Empty
+	4, // 1: proto.HWService.Sensors:input_type -> google.protobuf.Empty
+	2, // 2: proto.HWService.ReadingsForSensorID:input_type -> proto.SensorIDRequest
+	0, // 3: proto.HWService.PollTime:output_type -> proto.PollTimeReply
+	1, // 4: proto.HWService.Sensors:output_type -> proto.Sensor
+	3, // 5: proto.HWService.ReadingsForSensorID:output_type -> proto.Reading
+	3, // [3:6] is the sub-list for method output_type
+	0, // [0:3] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_pkg_service_proto_hwservice_proto_init() }
+func file_pkg_service_proto_hwservice_proto_init() {
+	if File_pkg_service_proto_hwservice_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_pkg_service_proto_hwservice_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*PollTimeReply); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_pkg_service_proto_hwservice_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Sensor); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_pkg_service_proto_hwservice_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SensorIDRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_pkg_service_proto_hwservice_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Reading); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_pkg_service_proto_hwservice_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   4,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_pkg_service_proto_hwservice_proto_goTypes,
+		DependencyIndexes: file_pkg_service_proto_hwservice_proto_depIdxs,
+		MessageInfos:      file_pkg_service_proto_hwservice_proto_msgTypes,
+	}.Build()
+	File_pkg_service_proto_hwservice_proto = out.File
+	file_pkg_service_proto_hwservice_proto_rawDesc = nil
+	file_pkg_service_proto_hwservice_proto_goTypes = nil
+	file_pkg_service_proto_hwservice_proto_depIdxs = nil
+}
--- a/pkg/service/proto/hwservice.proto
+++ b/pkg/service/proto/hwservice.proto
@ -0,0 +1,34 @@
+syntax = "proto3";
+
+option go_package = "github.com/shayne/hwinfo-streamdeck/pkg/service/proto";
+
+import "google/protobuf/empty.proto";
+
+package proto;
+
+service HWService {
+  rpc PollTime(google.protobuf.Empty) returns (PollTimeReply) {}
+  rpc Sensors(google.protobuf.Empty) returns (stream Sensor) {}
+  rpc ReadingsForSensorID(SensorIDRequest) returns (stream Reading) {}
+}
+
+message PollTimeReply { uint64 pollTime = 1; }
+
+message Sensor {
+  string ID = 1;
+  string name = 2;
+}
+
+message SensorIDRequest { string id = 1; }
+
+message Reading {
+  int32 ID = 1;
+  int32 typeI = 2;
+  string type = 3;
+  string label = 4;
+  string unit = 5;
+  double value = 6;
+  double valueMin = 7;
+  double valueMax = 8;
+  double valueAvg = 9;
+}
--- a/pkg/service/proto/hwservice_grpc.pb.go
+++ b/pkg/service/proto/hwservice_grpc.pb.go
@ -0,0 +1,233 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.21.12
+// source: pkg/service/proto/hwservice.proto
+
+package proto
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+	emptypb "google.golang.org/protobuf/types/known/emptypb"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// HWServiceClient is the client API for HWService service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type HWServiceClient interface {
+	PollTime(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*PollTimeReply, error)
+	Sensors(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (HWService_SensorsClient, error)
+	ReadingsForSensorID(ctx context.Context, in *SensorIDRequest, opts ...grpc.CallOption) (HWService_ReadingsForSensorIDClient, error)
+}
+
+type hWServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewHWServiceClient(cc grpc.ClientConnInterface) HWServiceClient {
+	return &hWServiceClient{cc}
+}
+
+func (c *hWServiceClient) PollTime(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*PollTimeReply, error) {
+	out := new(PollTimeReply)
+	err := c.cc.Invoke(ctx, "/proto.HWService/PollTime", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *hWServiceClient) Sensors(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (HWService_SensorsClient, error) {
+	stream, err := c.cc.NewStream(ctx, &HWService_ServiceDesc.Streams[0], "/proto.HWService/Sensors", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &hWServiceSensorsClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type HWService_SensorsClient interface {
+	Recv() (*Sensor, error)
+	grpc.ClientStream
+}
+
+type hWServiceSensorsClient struct {
+	grpc.ClientStream
+}
+
+func (x *hWServiceSensorsClient) Recv() (*Sensor, error) {
+	m := new(Sensor)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *hWServiceClient) ReadingsForSensorID(ctx context.Context, in *SensorIDRequest, opts ...grpc.CallOption) (HWService_ReadingsForSensorIDClient, error) {
+	stream, err := c.cc.NewStream(ctx, &HWService_ServiceDesc.Streams[1], "/proto.HWService/ReadingsForSensorID", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &hWServiceReadingsForSensorIDClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type HWService_ReadingsForSensorIDClient interface {
+	Recv() (*Reading, error)
+	grpc.ClientStream
+}
+
+type hWServiceReadingsForSensorIDClient struct {
+	grpc.ClientStream
+}
+
+func (x *hWServiceReadingsForSensorIDClient) Recv() (*Reading, error) {
+	m := new(Reading)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+// HWServiceServer is the server API for HWService service.
+// All implementations must embed UnimplementedHWServiceServer
+// for forward compatibility
+type HWServiceServer interface {
+	PollTime(context.Context, *emptypb.Empty) (*PollTimeReply, error)
+	Sensors(*emptypb.Empty, HWService_SensorsServer) error
+	ReadingsForSensorID(*SensorIDRequest, HWService_ReadingsForSensorIDServer) error
+	mustEmbedUnimplementedHWServiceServer()
+}
+
+// UnimplementedHWServiceServer must be embedded to have forward compatible implementations.
+type UnimplementedHWServiceServer struct {
+}
+
+func (UnimplementedHWServiceServer) PollTime(context.Context, *emptypb.Empty) (*PollTimeReply, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method PollTime not implemented")
+}
+func (UnimplementedHWServiceServer) Sensors(*emptypb.Empty, HWService_SensorsServer) error {
+	return status.Errorf(codes.Unimplemented, "method Sensors not implemented")
+}
+func (UnimplementedHWServiceServer) ReadingsForSensorID(*SensorIDRequest, HWService_ReadingsForSensorIDServer) error {
+	return status.Errorf(codes.Unimplemented, "method ReadingsForSensorID not implemented")
+}
+func (UnimplementedHWServiceServer) mustEmbedUnimplementedHWServiceServer() {}
+
+// UnsafeHWServiceServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to HWServiceServer will
+// result in compilation errors.
+type UnsafeHWServiceServer interface {
+	mustEmbedUnimplementedHWServiceServer()
+}
+
+func RegisterHWServiceServer(s grpc.ServiceRegistrar, srv HWServiceServer) {
+	s.RegisterService(&HWService_ServiceDesc, srv)
+}
+
+func _HWService_PollTime_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(emptypb.Empty)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(HWServiceServer).PollTime(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/proto.HWService/PollTime",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(HWServiceServer).PollTime(ctx, req.(*emptypb.Empty))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _HWService_Sensors_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(emptypb.Empty)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(HWServiceServer).Sensors(m, &hWServiceSensorsServer{stream})
+}
+
+type HWService_SensorsServer interface {
+	Send(*Sensor) error
+	grpc.ServerStream
+}
+
+type hWServiceSensorsServer struct {
+	grpc.ServerStream
+}
+
+func (x *hWServiceSensorsServer) Send(m *Sensor) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func _HWService_ReadingsForSensorID_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(SensorIDRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(HWServiceServer).ReadingsForSensorID(m, &hWServiceReadingsForSensorIDServer{stream})
+}
+
+type HWService_ReadingsForSensorIDServer interface {
+	Send(*Reading) error
+	grpc.ServerStream
+}
+
+type hWServiceReadingsForSensorIDServer struct {
+	grpc.ServerStream
+}
+
+func (x *hWServiceReadingsForSensorIDServer) Send(m *Reading) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+// HWService_ServiceDesc is the grpc.ServiceDesc for HWService service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var HWService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "proto.HWService",
+	HandlerType: (*HWServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "PollTime",
+			Handler:    _HWService_PollTime_Handler,
+		},
+	},
+	Streams: []grpc.StreamDesc{
+		{
+			StreamName:    "Sensors",
+			Handler:       _HWService_Sensors_Handler,
+			ServerStreams: true,
+		},
+		{
+			StreamName:    "ReadingsForSensorID",
+			Handler:       _HWService_ReadingsForSensorID_Handler,
+			ServerStreams: true,
+		},
+	},
+	Metadata: "pkg/service/proto/hwservice.proto",
+}
--- a/pkg/streamdeck/streamdeck.go
+++ b/pkg/streamdeck/streamdeck.go
@ -0,0 +1,295 @@
+package streamdeck
+
+import (
+	"encoding/base64"
+	"encoding/json"
+	"fmt"
+	"log"
+	"net/url"
+	"os"
+	"os/signal"
+	"time"
+
+	"github.com/gorilla/websocket"
+)
+
+// EventDelegate receives callbacks for Stream Deck SDK events
+type EventDelegate interface {
+	OnConnected(*websocket.Conn)
+	OnWillAppear(*EvWillAppear)
+	OnTitleParametersDidChange(*EvTitleParametersDidChange)
+	OnPropertyInspectorConnected(*EvSendToPlugin)
+	OnSendToPlugin(*EvSendToPlugin)
+	OnApplicationDidLaunch(*EvApplication)
+	OnApplicationDidTerminate(*EvApplication)
+}
+
+// StreamDeck SDK APIs
+type StreamDeck struct {
+	Port          string
+	PluginUUID    string
+	RegisterEvent string
+	Info          string
+	delegate      EventDelegate
+	conn          *websocket.Conn
+	done          chan struct{}
+}
+
+// NewStreamDeck prepares StreamDeck struct
+func NewStreamDeck(port, pluginUUID, registerEvent, info string) *StreamDeck {
+	return &StreamDeck{
+		Port:          port,
+		PluginUUID:    pluginUUID,
+		RegisterEvent: registerEvent,
+		Info:          info,
+		done:          make(chan struct{}),
+	}
+}
+
+// SetDelegate sets the delegate for receiving Stream Deck SDK event callbacks
+func (sd *StreamDeck) SetDelegate(ed EventDelegate) {
+	sd.delegate = ed
+}
+
+func (sd *StreamDeck) register() error {
+	reg := evRegister{Event: sd.RegisterEvent, UUID: sd.PluginUUID}
+	data, err := json.Marshal(reg)
+	log.Println(string(data))
+	if err != nil {
+		return err
+	}
+	err = sd.conn.WriteMessage(websocket.TextMessage, data)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// Connect establishes WebSocket connection to StreamDeck software
+func (sd *StreamDeck) Connect() error {
+	u := url.URL{Scheme: "ws", Host: fmt.Sprintf("127.0.0.1:%s", sd.Port)}
+	c, _, err := websocket.DefaultDialer.Dial(u.String(), nil)
+	if err != nil {
+		return err
+	}
+
+	sd.conn = c
+
+	err = sd.register()
+	if err != nil {
+		return fmt.Errorf("failed register: %v", err)
+	}
+
+	if sd.delegate != nil {
+		sd.delegate.OnConnected(sd.conn)
+	}
+
+	return nil
+}
+
+// Close closes the websocket connection, defer after Connect
+func (sd *StreamDeck) Close() {
+	sd.conn.Close()
+}
+
+func (sd *StreamDeck) onPropertyInspectorMessage(value string, ev *EvSendToPlugin) error {
+	switch value {
+	case "propertyInspectorConnected":
+		if sd.delegate != nil {
+			sd.delegate.OnPropertyInspectorConnected(ev)
+		}
+	default:
+		log.Printf("Unknown property_inspector value: %s\n", value)
+	}
+	return nil
+}
+
+func (sd *StreamDeck) onSendToPlugin(ev *EvSendToPlugin) error {
+	payload := make(map[string]*json.RawMessage)
+	err := json.Unmarshal(*ev.Payload, &payload)
+	if err != nil {
+		return fmt.Errorf("onSendToPlugin payload unmarshal: %v", err)
+	}
+	if raw, ok := payload["property_inspector"]; ok {
+		var value string
+		err := json.Unmarshal(*raw, &value)
+		if err != nil {
+			return fmt.Errorf("onSendToPlugin unmarshal property_inspector value: %v", err)
+		}
+		err = sd.onPropertyInspectorMessage(value, ev)
+		if err != nil {
+			return fmt.Errorf("onPropertyInspectorMessage: %v", err)
+		}
+		return nil
+	}
+	if sd.delegate != nil {
+		sd.delegate.OnSendToPlugin(ev)
+	}
+	return nil
+}
+
+func (sd *StreamDeck) spawnMessageReader() {
+	defer close(sd.done)
+	for {
+		_, message, err := sd.conn.ReadMessage()
+		if err != nil {
+			log.Println("read:", err)
+			return
+		}
+		log.Printf("recv: %s", message)
+
+		var objmap map[string]*json.RawMessage
+		err = json.Unmarshal(message, &objmap)
+		if err != nil {
+			log.Fatal("message unmarshal", err)
+		}
+		var event string
+		err = json.Unmarshal(*objmap["event"], &event)
+		if err != nil {
+			log.Fatal("event unmarshal", err)
+		}
+		switch event {
+		case "willAppear":
+			var ev EvWillAppear
+			err := json.Unmarshal(message, &ev)
+			if err != nil {
+				log.Fatal("willAppear unmarshal", err)
+			}
+			if sd.delegate != nil {
+				sd.delegate.OnWillAppear(&ev)
+			}
+		case "titleParametersDidChange":
+			var ev EvTitleParametersDidChange
+			err := json.Unmarshal(message, &ev)
+			if err != nil {
+				log.Fatal("titleParametersDidChange unmarshal", err)
+			}
+			if sd.delegate != nil {
+				sd.delegate.OnTitleParametersDidChange(&ev)
+			}
+		case "sendToPlugin":
+			var ev EvSendToPlugin
+			err := json.Unmarshal(message, &ev)
+			if err != nil {
+				log.Fatal("onSendToPlugin event unmarshal", err)
+			}
+			err = sd.onSendToPlugin(&ev)
+			if err != nil {
+				log.Fatal("onSendToPlugin", err)
+			}
+		case "applicationDidLaunch":
+			var ev EvApplication
+			err := json.Unmarshal(message, &ev)
+			if err != nil {
+				log.Fatal("applicationDidLaunch unmarshal", err)
+			}
+			if sd.delegate != nil {
+				sd.delegate.OnApplicationDidLaunch(&ev)
+			}
+		case "applicationDidTerminate":
+			var ev EvApplication
+			err := json.Unmarshal(message, &ev)
+			if err != nil {
+				log.Fatal("applicationDidTerminate unmarshal", err)
+			}
+			if sd.delegate != nil {
+				sd.delegate.OnApplicationDidTerminate(&ev)
+			}
+		default:
+			log.Printf("Unknown event: %s\n", event)
+		}
+	}
+}
+
+// ListenAndWait processes messages and waits until closed
+func (sd *StreamDeck) ListenAndWait() {
+	go sd.spawnMessageReader()
+
+	interrupt := make(chan os.Signal, 1)
+	signal.Notify(interrupt, os.Interrupt)
+
+	for {
+		select {
+		case <-sd.done:
+			return
+		case <-interrupt:
+			log.Println("interrupt")
+
+			// Cleanly close the connection by sending a close message and then
+			// waiting (with timeout) for the server to close the connection.
+			err := sd.conn.WriteMessage(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""))
+			if err != nil {
+				log.Println("write close:", err)
+				return
+			}
+			select {
+			case <-sd.done:
+			case <-time.After(time.Second):
+			}
+		}
+	}
+}
+
+// SendToPropertyInspector sends a payload to the Property Inspector
+func (sd *StreamDeck) SendToPropertyInspector(action, context string, payload interface{}) error {
+	event := evSendToPropertyInspector{Action: action, Event: "sendToPropertyInspector",
+		Context: context, Payload: payload}
+	data, err := json.Marshal(event)
+	if err != nil {
+		return fmt.Errorf("sendToPropertyInspector: %v", err)
+	}
+	err = sd.conn.WriteMessage(websocket.TextMessage, data)
+	if err != nil {
+		return fmt.Errorf("setTitle write: %v", err)
+	}
+	return nil
+}
+
+// SetTitle dynamically changes the title displayed by an instance of an action
+func (sd *StreamDeck) SetTitle(context, title string) error {
+	event := evSetTitle{Event: "setTitle", Context: context, Payload: evSetTitlePayload{
+		Title:  title,
+		Target: 0,
+	}}
+	data, err := json.Marshal(event)
+	if err != nil {
+		return fmt.Errorf("setTitle: %v", err)
+	}
+	err = sd.conn.WriteMessage(websocket.TextMessage, data)
+	if err != nil {
+		return fmt.Errorf("setTitle write: %v", err)
+	}
+	return nil
+}
+
+// SetSettings saves persistent data for the action's instance
+func (sd *StreamDeck) SetSettings(context string, payload interface{}) error {
+	event := evSetSettings{Event: "setSettings", Context: context, Payload: payload}
+	data, err := json.Marshal(event)
+	if err != nil {
+		return fmt.Errorf("setSettings: %v", err)
+	}
+	err = sd.conn.WriteMessage(websocket.TextMessage, data)
+	if err != nil {
+		return fmt.Errorf("setSettings write: %v", err)
+	}
+	return nil
+}
+
+// SetImage dynamically changes the image displayed by an instance of an action
+func (sd *StreamDeck) SetImage(context string, bts []byte) error {
+	b64 := base64.StdEncoding.EncodeToString(bts)
+	event := evSetImage{Event: "setImage", Context: context, Payload: evSetImagePayload{
+		Image:  fmt.Sprintf("data:image/png;base64, %s", b64),
+		Target: 0,
+	}}
+	data, err := json.Marshal(event)
+	if err != nil {
+		return fmt.Errorf("setImage: %v", err)
+	}
+	err = sd.conn.WriteMessage(websocket.TextMessage, data)
+	if err != nil {
+		return fmt.Errorf("setImage write: %v", err)
+	}
+	return nil
+}
--- a/pkg/streamdeck/types.go
+++ b/pkg/streamdeck/types.go
@ -0,0 +1,124 @@
+package streamdeck
+
+import "encoding/json"
+
+type evRegister struct {
+	Event string `json:"event"`
+	UUID  string `json:"uuid"`
+}
+
+// EvCoordinates is the coordinates structure from events
+type EvCoordinates struct {
+	Column int `json:"column"`
+	Row    int `json:"row"`
+}
+
+// EvWillAppearPayload is the Payload structure from the willAppear event
+type EvWillAppearPayload struct {
+	Settings        *json.RawMessage `json:"settings"`
+	Coordinates     EvCoordinates    `json:"coordinates"`
+	Device          string           `json:"device"`
+	State           int              `json:"state"`
+	IsInMultiAction bool             `json:"isInMultiAction"`
+}
+
+// EvWillAppear is the payload from the willAppear event
+type EvWillAppear struct {
+	Action  string              `json:"action"`
+	Event   string              `json:"event"`
+	Context string              `json:"context"`
+	Device  string              `json:"device"`
+	Payload EvWillAppearPayload `json:"payload"`
+}
+
+// EvWillDisappearPayload is the Payload structure from willDisappear event
+type EvWillDisappearPayload struct {
+	EvWillAppearPayload
+}
+
+// EvWillDisappear is the payload from the willDisappear event
+type EvWillDisappear struct {
+	EvWillAppear
+}
+
+// EvApplicationPayload is the sub-strcture from the EvApplication struct
+type EvApplicationPayload struct {
+	Application string `json:"application"`
+}
+
+// EvApplication is the payload from the applicatioDidLaunch/Terminate events
+type EvApplication struct {
+	Payload EvApplicationPayload `json:"payload"`
+}
+
+// EvTitleParameters is sub-structure from EvTitleParametersDidChangePayload
+type EvTitleParameters struct {
+	FontFamily     string `json:"fontFamily"`
+	FontSize       int    `json:"fontSize"`
+	FontStyle      string `json:"fontStyle"`
+	FontUnderline  bool   `json:"fontUnderline"`
+	ShowTitle      bool   `json:"showTitle"`
+	TitleAlignment string `json:"titleAlignment"`
+	TitleColor     string `json:"titleColor"`
+}
+
+// EvTitleParametersDidChangePayload is the payload structure of EvTitleParametersDidChange
+type EvTitleParametersDidChangePayload struct {
+	Coordinates     EvCoordinates     `json:"coordinates"`
+	Settings        *json.RawMessage  `json:"settings"`
+	TitleParameters EvTitleParameters `json:"titleParameters"`
+	Title           string            `json:"title"`
+	State           int               `json:"state"`
+}
+
+// EvTitleParametersDidChange is the payload from the titleParametersDidChange event
+type EvTitleParametersDidChange struct {
+	Action  string                            `json:"action"`
+	Event   string                            `json:"event"`
+	Context string                            `json:"context"`
+	Device  string                            `json:"device"`
+	Payload EvTitleParametersDidChangePayload `json:"payload"`
+}
+
+// EvSendToPlugin is received from the Property Inspector
+type EvSendToPlugin struct {
+	Action  string           `json:"action"`
+	Event   string           `json:"event"`
+	Context string           `json:"context"`
+	Payload *json.RawMessage `json:"payload"`
+}
+
+type evSendToPropertyInspector struct {
+	Action  string      `json:"action"`
+	Event   string      `json:"event"`
+	Context string      `json:"context"`
+	Payload interface{} `json:"payload"`
+}
+
+type evSetTitlePayload struct {
+	Title  string `json:"title"`
+	Target int    `json:"target"`
+}
+
+type evSetTitle struct {
+	Event   string            `json:"event"`
+	Context string            `json:"context"`
+	Payload evSetTitlePayload `json:"payload"`
+}
+
+type evSetSettings struct {
+	Event   string      `json:"event"`
+	Context string      `json:"context"`
+	Payload interface{} `json:"payload"`
+}
+
+type evSetImagePayload struct {
+	Image  string `json:"image"`
+	Target int    `json:"target"`
+}
+
+type evSetImage struct {
+	Event   string            `json:"event"`
+	Context string            `json:"context"`
+	Payload evSetImagePayload `json:"payload"`
+}
--- a/start-streamdeck.bat
+++ b/start-streamdeck.bat
@ -0,0 +1,2 @@
+@echo off
+start "" /B "C:\Program Files\Elgato\StreamDeck\StreamDeck.exe"