Use correct fan max range for Steam Deck OLED; fixes #19

.github/FUNDING.yml

@@ -0,0 +1,2 @@
+github: NGnius
+liberapay: NGnius

.gitignore

@@ -0,0 +1,52 @@
+lib-cov
+*.seed
+*.log
+*.csv
+*.dat
+*.out
+*.pid
+*.gz
+*.swp
+
+pids
+logs
+results
+tmp
+
+# Coverage reports
+coverage
+
+# API keys and secrets
+.env
+
+# Dependency directory
+node_modules
+bower_components
+package-lock.json
+
+# Editors
+.idea
+*.iml
+
+# OS metadata
+.DS_Store
+Thumbs.db
+
+# Ignore built ts files
+dist/
+
+__pycache__/
+
+/.yalc
+yalc.lock
+
+# ignore Rust compiler files
+/backend-rs/target
+backend
+/bin/backend
+/src/rust/target
+
+# packaged teasers
+*.zip
+*.tar.gz
+Fantastic/

README.md

@@ -1,9 +1,17 @@
 # Fantastic
 
+![plugin_demo](./assets/ui.png)
+
 Steam Deck fan controls.
 
-This is generated from the template plugin for the [SteamOS Plugin Loader](https://github.com/SteamDeckHomebrew/PluginLoader).
-You will need that installed for this plugin to work.
+This plugin is a bit special because it doesn't use the standard Python back-end.
+Instead, it uses [USDPL](https://github.com/NGnius/usdpl-rs) written in Rust.
+This means Fantastic needs a compiled binary to work correctly, which is not included in this repository.
+If you run `./build.sh` from the `backend-rs` directory on a Linux system with `cargo` installed, the binary will be built for you.
+
+This is generated from the template plugin for the [SteamOS Plugin Loader](https://github.com/SteamDeckHomebrew/decky-plugin-template).
+
+Once Plugin Loader is installed, you can get this plugin from the [plugin store](https://plugins.deckbrew.xyz/) (that shopping basket at the top of the plugin menu).
 
 ## License
 

backend-rs/Cargo.toml

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+[package]
+name = "fantastic-rs"
+version = "0.6.0-alpha1"
+edition = "2021"
+authors = ["NGnius (Graham) <ngniusness@gmail.com>"]
+description = "Backend (superuser) functionality for Fantastic"
+license = "GPL-3.0-only"
+repository = "https://git.ngni.us/NG-SD-Plugins/Fantastic"
+keywords = ["utility", "fan-control", "root", "decky"]
+readme = "../README.md"
+
+
+[dependencies]
+usdpl-back = { version = "1.0", features = ["blocking"], path = "../../usdpl-rs/usdpl-back"}
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+
+nrpc = { version = "1.0", path = "../../nRPC/nrpc", features = ["async-trait"] }
+prost = "0.11"
+tokio = { version = "1", features = ["sync", "rt"] }
+
+sysfuss = { version = "0.4", features = ["derive"], path = "../../sysfs-nav" }
+sysinfo = "0.31"
+
+# logging
+log = "0.4"
+simplelog = "0.12"
+
+[build-dependencies]
+usdpl-build = { version = "1.0", path = "../../usdpl-rs/usdpl-build" }
+
+[profile.release]
+debug = false
+strip = true
+lto = true
+codegen-units = 4

backend-rs/Cross.toml

@@ -0,0 +1,6 @@
+[build]
+#xargo = true
+default-target = "x86_64-unknown-linux-gnu"
+
+[build.env]
+volumes = ["/home/ngnius/Documents/git-repos",]

backend-rs/build.rs

@@ -0,0 +1,9 @@
+fn main() {
+    //println!("CWD: {}", std::env::current_dir().unwrap().display());
+    usdpl_build::back::build([
+        format!("{}/protos/fantastic.proto", std::env::current_dir().unwrap().display())
+    ].into_iter(),
+    [
+        format!("{}/protos/", std::env::current_dir().unwrap().display())
+    ].into_iter())
+}

backend-rs/build.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+#cargo build --release --target x86_64-unknown-linux-musl
+#cargo build --target x86_64-unknown-linux-musl
+#cross build --release
+cargo build
+
+mkdir -p ../bin
+#cp --preserve=mode ./target/x86_64-unknown-linux-musl/release/fantastic-rs ../bin/backend
+#cp --preserve=mode ./target/x86_64-unknown-linux-musl/debug/fantastic-rs ../bin/backend
+#cp --preserve=mode ./target/release/fantastic-rs ../bin/backend
+cp --preserve=mode ./target/debug/fantastic-rs ../bin/backend
+

backend-rs/protos/fantastic.proto

@@ -0,0 +1,136 @@
+syntax = "proto3";
+
+package fantastic;
+
+// The most amazing fan service
+service Fan {
+  // Send back the exact same message as received
+  rpc echo (EchoMessage) returns (EchoMessage);
+
+  // Hello world
+  rpc hello (NameMessage) returns (HelloResponse);
+
+  // Fantastic version info
+  rpc version (Empty) returns (VersionMessage);
+
+  // Fantastic version number string
+  rpc version_str (Empty) returns (VersionDisplayMessage);
+
+  // Rust name (fantastic)
+  rpc name (Empty) returns (NameMessage);
+
+  // Get fan speed
+  rpc get_fan_rpm (Empty) returns (stream RpmMessage);
+
+  // Get system temperature
+  rpc get_temperature (Empty) returns (stream TemperatureMessage);
+
+  // Set custom fan control enabled
+  rpc set_enable (EnablementMessage) returns (EnablementMessage);
+
+  // Get custon fan control status
+  rpc get_enable (Empty) returns (EnablementMessage);
+
+  // Set fan control interpolation
+  rpc set_interpolate (EnablementMessage) returns (EnablementMessage);
+
+  // Get fan control interpolation
+  rpc get_interpolate (Empty) returns (EnablementMessage);
+
+  // Get fan control curve
+  rpc get_curve_x (Empty) returns (CurveMessageX);
+
+  // Get fan control curve
+  rpc get_curve_y (Empty) returns (CurveMessageY);
+
+  // Add a new point to the fan curve
+  rpc add_curve_point (GraphPoint) returns (Empty);
+
+  // Remove a point from the fan curve
+  rpc remove_curve_point (IndexMessage) returns (Empty);
+
+  /*
+    .register("echo", api::echo)
+    .register("hello", api::hello)
+    .register("version", api::version)
+    .register("name", api::name)
+    .register("get_fan_rpm", api::get_fan_rpm)
+    .register("get_temperature", api::get_temperature)
+    .register("set_enable", api::set_enable_gen(&runtime))
+    .register("get_enable", api::get_enable_gen(&runtime))
+    .register("set_interpolate", api::set_interpolate_gen(&runtime))
+    .register("get_interpolate", api::get_interpolate_gen(&runtime))
+    .register("get_curve", api::get_curve_gen(&runtime))
+    .register("add_curve_point", api::add_curve_point_gen(&runtime))
+    .register("remove_curve_point", api::remove_curve_point_gen(&runtime))
+  */
+}
+
+// The request and response message for Echo
+message EchoMessage {
+  string msg = 1;
+}
+
+message NameMessage {
+  string name = 1;
+}
+
+message HelloResponse {
+  string phrase = 1;
+}
+
+message Empty {
+  bool ok = 1;
+}
+
+message VersionMessage {
+  int32 major = 1;
+  int32 minor = 2;
+  int32 patch = 3;
+  //string display = 4;
+}
+
+message VersionDisplayMessage {
+  string display = 1;
+}
+
+message VersionStr {
+  string version_str = 1;
+}
+
+message RpmMessage {
+  uint32 rpm = 1;
+}
+
+message TemperatureMessage {
+  double temperature = 1;
+}
+
+message EnablementMessage {
+  bool is_enabled = 1;
+}
+
+message GraphPoint {
+  double x = 1;
+  double y = 2;
+}
+
+/*message CurveMessage {
+  //repeated GraphPoint points = 1;
+  repeated double x = 1;
+  repeated double y = 2;
+}*/
+
+message CurveMessageX {
+  //repeated GraphPoint points = 1;
+  repeated double x = 1;
+}
+
+message CurveMessageY {
+  //repeated GraphPoint points = 1;
+  repeated double y = 2;
+}
+
+message IndexMessage {
+  uint32 index = 1;
+}

backend-rs/src/adapters/fans/dev_mode.rs

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+pub struct DevModeFan;
+
+impl super::Adapter for DevModeFan {
+    fn on_enable_toggled(&self, settings: &crate::datastructs::Settings) {
+        log::info!("on_enable_toggled invoked with settings {:?}", settings);
+    }
+
+    fn control_fan(&self, settings: &crate::datastructs::Settings, sensor: &crate::adapters::traits::SensorReading) {
+        log::info!("control_fan invoked with settings {:?} and sensor {:?}", settings, sensor);
+    }
+}

backend-rs/src/adapters/fans/mod.rs

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+mod dev_mode;
+pub use dev_mode::DevModeFan;
+
+mod steam_deck;
+pub use steam_deck::SteamDeckFan;
+
+mod rog_ally;
+pub use rog_ally::RogAllyFan;
+
+pub(self) use super::FanAdapter as Adapter;

backend-rs/src/adapters/fans/rog_ally/adapter.rs

@@ -0,0 +1,159 @@
+use sysfuss::{BasicEntityPath, HwMonAttribute, HwMonAttributeItem, HwMonAttributeType, HwMonPath, SysAttributeExt};
+use sysfuss::{SysPath, SysEntityAttributesExt};
+
+use crate::datastructs::{Settings, GraphPoint};
+
+const ASUS_CUSTOM_FAN_CURVE_HWMON_NAME: &str = "asus_custom_fan_curve";
+const ASUS_REGULAR_HWMON_NAME: &str = "asus";
+
+pub struct RogAllyFan {
+    hwmon_curve: HwMonPath,
+    hwmon_asus: HwMonPath,
+}
+
+impl RogAllyFan {
+    pub fn maybe_find() -> Option<Self> {
+        let syspath = SysPath::path(crate::sys::SYSFS_ROOT);
+        match syspath.hwmon_by_name(ASUS_CUSTOM_FAN_CURVE_HWMON_NAME)
+        {
+            Err(e) => {
+                log::error!("sysfs hwmon iter error while finding Asus ROG Ally fan curve: {}", e);
+                None
+            },
+            Ok(hwmon_curve) => {
+                match syspath.hwmon_by_name(ASUS_REGULAR_HWMON_NAME) {
+                    Err(e) => {
+                        log::error!("sysfs hwmon iter error while finding Asus fan: {}", e);
+                        None
+                    },
+                    Ok(hwmon_asus) => {
+                        Some(Self {
+                            hwmon_curve,
+                            hwmon_asus,
+                        })
+                    }
+                }
+            }
+        }
+    }
+
+    // returns true when the point probably doesn't exist at all
+    // (instead of it just running out of pwm# entries)
+    fn set_gp(gp_i: u64, gp: &GraphPoint, basic_curve: &BasicEntityPath) -> bool {
+        for pwm_i in 1..u64::MAX {
+            let temp_attr = pwm_point_temp(pwm_i, gp_i);
+            let pwm_attr = pwm_point_pwm(pwm_i, gp_i);
+            if !(temp_attr.exists(basic_curve) && pwm_attr.exists(basic_curve)) {
+                return pwm_i == 1;
+            }
+            let pwm_val = (gp.y * 255.0).round() as u8;
+            if let Err(e) = basic_curve.set(&pwm_attr as &str, pwm_val) {
+                let attr_path = pwm_attr.path(basic_curve);
+                log::error!("failed to write to {}: {}", attr_path.display(), e);
+            }
+            let temp_val = (gp.x * 100.0).round() as u8;
+            if let Err(e) = basic_curve.set(&temp_attr as &str, temp_val) {
+                let attr_path = temp_attr.path(basic_curve);
+                log::error!("failed to write to {}: {}", attr_path.display(), e);
+            }
+        }
+        return false;
+    }
+}
+
+impl super::super::Adapter for RogAllyFan {
+    fn on_enable_toggled(&self, settings: &Settings) {
+        let value_to_set = settings.enable as u8;
+        for i in 1..u64::MAX {
+            let attr = pwm_enable_attr_name(i);
+            if self.hwmon_curve.exists(&attr) {
+                if let Err(e) = self.hwmon_curve.set(attr, value_to_set) {
+                    log::error!("failed to write to {}: {}", self.hwmon_curve.path_to(attr).display(), e);
+                }
+            } else {
+                break;
+            }
+        }
+    }
+
+    fn control_fan(&self, settings: &Settings, _sensor: &crate::adapters::traits::SensorReading) {
+        let basic_curve = BasicEntityPath::new(self.hwmon_curve.as_ref());
+        if settings.curve.is_empty() {
+            for i in 1..u64::MAX {
+                let out_of_points = if i == 1 {
+                    Self::set_gp(i as _, &GraphPoint { x: 0.0, y: 0.0 }, &basic_curve)
+                } else {
+                    Self::set_gp(i as _, &GraphPoint { x: 1.0, y: 1.0 }, &basic_curve)
+                };
+                if out_of_points { break; }
+            }
+        }
+        for (i, gp) in settings.curve.iter().enumerate() {
+            Self::set_gp(i as _, gp, &basic_curve);
+        }
+        // set remaining pwm points to highest in curve
+        for i in settings.curve.len()..usize::MAX {
+            if Self::set_gp(i as _, &GraphPoint { x: 1.0, y: 1.0 }, &basic_curve) {
+                break;
+            }
+        }
+    }
+
+    fn sensor<'a: 'b, 'b>(&'a self) -> Option<&'b dyn crate::adapters::SensorAdapter> {
+        Some(self)
+    }
+}
+
+impl super::super::super::SensorAdapter for RogAllyFan {
+    fn read(&self) -> Result<crate::adapters::SensorReading, std::io::Error> {
+        let mut readings = Vec::new();
+        let mut last_error = None;
+        for i in 1..u64::MAX {
+            let attr = fan_reading_attr_name(i);
+            let reading = match self.hwmon_asus.attribute::<u64>(attr) {
+                Ok(reading) => reading,
+                Err(sysfuss::EitherErr2::First(e1)) => {
+                    log::debug!("failed to read attribute {}: {} (ok; breaking loop...)", self.hwmon_asus.path_to(attr).display(), e1);
+                    last_error = Some(e1);
+                    break;
+                },
+                Err(sysfuss::EitherErr2::Second(e2)) => {
+                    log::debug!("failed to read attribute {}: {} (ok; breaking loop...)", self.hwmon_asus.path_to(attr).display(), e2);
+                    last_error = Some(std::io::Error::other(e2));
+                    break;
+                },
+            };
+            readings.push(reading);
+        }
+        let mut reading_sum = 0;
+        for reading in readings.iter() {
+            reading_sum += *reading;
+        }
+        if readings.is_empty() {
+            Err(last_error.unwrap())
+        } else {
+            Ok(crate::adapters::SensorReading {
+                value: (reading_sum / (readings.len() as u64)) as f64,
+                meaning: crate::adapters::SensorType::Fan,
+                name: "ROG Ally Fan",
+            })
+        }
+
+    }
+}
+
+fn pwm_enable_attr_name(index: u64) -> HwMonAttribute {
+    HwMonAttribute::new(HwMonAttributeType::Pwm, index, HwMonAttributeItem::Enable)
+}
+
+fn fan_reading_attr_name(index: u64) -> HwMonAttribute {
+    HwMonAttribute::new(HwMonAttributeType::Fan, index, HwMonAttributeItem::Input)
+}
+
+fn pwm_point_temp(index: u64, point_index: u64) -> String {
+    format!("pwm{}_auto_point{}_temp", index, point_index)
+}
+
+fn pwm_point_pwm(index: u64, point_index: u64) -> String {
+    format!("pwm{}_auto_point{}_pwm", index, point_index)
+}

backend-rs/src/adapters/fans/rog_ally/mod.rs

@@ -0,0 +1,2 @@
+mod adapter;
+pub use adapter::RogAllyFan;

backend-rs/src/adapters/fans/steam_deck/adapter.rs

@@ -0,0 +1,297 @@
+use sysfuss::{HwMonPath, HwMonAttribute, HwMonAttributeType, HwMonAttributeItem, BasicEntityPath};
+use sysfuss::{SysPath, capability::attributes, SysEntityAttributesExt};
+
+use crate::datastructs::{Settings, GraphPoint};
+
+const VALVE_FAN_SERVICE: &str = "jupiter-fan-control.service";
+
+pub struct SteamDeckFan {
+    hwmon: HwMonPath,
+}
+
+impl SteamDeckFan {
+    pub fn maybe_find() -> Option<Self> {
+        find_hwmon(crate::sys::SYSFS_ROOT).map(|hwmon| Self { hwmon })
+    }
+
+    pub fn maybe_find_thermal_zone() -> Option<BasicEntityPath> {
+        find_thermal_zone(crate::sys::SYSFS_ROOT)
+    }
+}
+
+impl super::super::Adapter for SteamDeckFan {
+    fn on_enable_toggled(&self, settings: &Settings) {
+        on_set_enable(settings, &self.hwmon)
+    }
+
+    fn control_fan(&self, settings: &Settings, sensor: &crate::adapters::traits::SensorReading) {
+        enforce_jupiter_status(true);
+        do_fan_control(settings, &self.hwmon, sensor.value)
+    }
+
+    fn sensor<'a: 'b, 'b>(&'a self) -> Option<&'b dyn crate::adapters::SensorAdapter> {
+        Some(self)
+    }
+}
+
+impl super::super::super::SensorAdapter for SteamDeckFan {
+    fn read(&self) -> Result<crate::adapters::SensorReading, std::io::Error> {
+        Ok(crate::adapters::SensorReading {
+            value: read_fan(&self.hwmon)? as f64,
+            meaning: crate::adapters::SensorType::Fan,
+            name: "Steam Deck Fan",
+        })
+    }
+}
+
+const RECALCULATE_ATTR: HwMonAttribute = HwMonAttribute::custom("recalculate");
+const FAN1_INPUT_ATTR: HwMonAttribute = HwMonAttribute::new(HwMonAttributeType::Fan, 1, HwMonAttributeItem::Input);
+const FAN1_LABEL_ATTR: HwMonAttribute = HwMonAttribute::new(HwMonAttributeType::Fan, 1, HwMonAttributeItem::Label);
+const FAN1_TARGET_ATTR: HwMonAttribute = HwMonAttribute::custom("fan1_target");
+
+const HWMON_NEEDS: [HwMonAttribute; 3] = [
+    //RECALCULATE_ATTR,
+    FAN1_INPUT_ATTR,
+    FAN1_TARGET_ATTR,
+    FAN1_LABEL_ATTR,
+];
+
+fn find_hwmon<P: AsRef<std::path::Path>>(path: P) -> Option<HwMonPath> {
+    let syspath = SysPath::path(path);
+    match syspath.hwmon(attributes(HWMON_NEEDS.into_iter()))
+    {
+        Err(e) => {
+            log::error!("sysfs hwmon iter error while finding Steam Deck fan: {}", e);
+            None
+        },
+        Ok(mut iter) => {
+            if let Some(entity) = iter.next() {
+                log::info!("Found Steam Deck fan hwmon {}", entity.as_ref().display());
+                Some(entity)
+            } else {
+                log::error!("sysfs hwmon iter empty while finding Steam Deck fan: [no capable results]");
+                None
+            }
+        }
+    }
+}
+
+fn find_thermal_zone<P: AsRef<std::path::Path>>(path: P) -> Option<BasicEntityPath> {
+    let syspath = SysPath::path(path);
+    match syspath.class("thermal",
+        |ent: &BasicEntityPath| ent.exists(&"temp".to_owned()) && ent.exists(&"type".to_owned()) && ent.attribute("type".to_owned()).map(|val: String| val.to_lowercase() != "processor").unwrap_or(false))
+    {
+        Err(e) => {
+            log::error!("sysfs thermal class iter error while finding Steam Deck thermal zone: {}", e);
+            None
+        },
+        Ok(mut iter) => {
+            if let Some(entity) = iter.next() {
+                log::info!("Found thermal zone {}", entity.as_ref().display());
+                Some(entity)
+            } else {
+                log::error!("sysfs thermal class iter empty while finding Steam Deck thermal zone: [no capable results]");
+                None
+            }
+        }
+    }
+}
+
+fn on_set_enable(settings: &Settings, hwmon: &HwMonPath) {
+    // stop/start jupiter fan control (since the client-side way of doing this was removed :( )
+    enforce_jupiter_status(settings.enable);
+    if let Err(e) = write_fan_recalc(hwmon, settings.enable) {
+        log::error!("runtime failed to write to fan recalculate file: {}", e);
+    }
+}
+
+fn enforce_jupiter_status(enabled: bool) {
+    // enabled refers to whether this plugin's functionality is enabled,
+    // not the jupiter fan control service
+    let service_status = detect_jupiter_fan_service();
+    log::debug!("fan control service is enabled? {}", service_status);
+    if enabled == service_status {
+        // do not run Valve's fan service along with Fantastic, since they fight
+        if enabled {
+            stop_fan_service();
+        } else {
+            start_fan_service();
+        }
+    }
+}
+
+fn detect_jupiter_fan_service() -> bool {
+    match std::process::Command::new("systemctl")
+        .args(["is-active", VALVE_FAN_SERVICE])
+        .output() {
+        Ok(cmd) => String::from_utf8_lossy(&cmd.stdout).trim() == "active",
+        Err(e) => {
+            log::error!("`systemctl is-active {}` err: {}", VALVE_FAN_SERVICE, e);
+            false
+        }
+    }
+}
+
+fn start_fan_service() {
+    match std::process::Command::new("systemctl")
+        .args(["start", VALVE_FAN_SERVICE])
+        .output() {
+        Err(e) => log::error!("`systemctl start {}` err: {}", VALVE_FAN_SERVICE, e),
+        Ok(out) => log::debug!("started `{}`:\nstdout:{}\nstderr:{}", VALVE_FAN_SERVICE, String::from_utf8_lossy(&out.stdout), String::from_utf8_lossy(&out.stderr)),
+    }
+}
+
+fn stop_fan_service() {
+    match std::process::Command::new("systemctl")
+        .args(["stop", VALVE_FAN_SERVICE])
+        .output() {
+        Err(e) => log::error!("`systemctl stop {}` err: {}", VALVE_FAN_SERVICE, e),
+        Ok(out) => log::debug!("stopped `{}`:\nstdout:{}\nstderr:{}", VALVE_FAN_SERVICE, String::from_utf8_lossy(&out.stdout), String::from_utf8_lossy(&out.stderr)),
+    }
+}
+
+fn write_fan_recalc(hwmon: &HwMonPath, enabled: bool) -> Result<(), std::io::Error> {
+    hwmon.set(RECALCULATE_ATTR, enabled as u8)
+    //write_single(format!("/sys/class/hwmon/hwmon{}/recalculate", HWMON_INDEX), enabled as u8)
+}
+
+fn write_fan_target(hwmon: &HwMonPath, rpm: u64) -> Result<(), std::io::Error> {
+    hwmon.set(FAN1_TARGET_ATTR, rpm)
+    //write_single(format!("/sys/class/hwmon/hwmon{}/fan1_target", HWMON_INDEX), rpm)
+}
+
+fn read_fan(hwmon: &HwMonPath) -> std::io::Result<u64> {
+    match hwmon.attribute(FAN1_INPUT_ATTR){
+        Ok(x) => Ok(x),
+        Err(sysfuss::EitherErr2::First(e)) => {
+            log::error!("Failed Steam Deck read_fan(): {}", e);
+            Err(e)
+        },
+        Err(sysfuss::EitherErr2::Second(e)) => {
+            log::error!("Failed Steam Deck read_fan(): {}", e);
+            Err(std::io::Error::other(e))
+        },
+    }
+}
+
+fn fan_range() -> std::ops::Range<f64> {
+    let sys = sysinfo::System::new_with_specifics(
+        sysinfo::RefreshKind::new().with_cpu(sysinfo::CpuRefreshKind::everything()),
+    );
+    if sys.cpus().is_empty() {
+        1.0..7123.0
+    } else {
+        let cpu_name = sys.cpus()[0].brand();
+        if cpu_name.contains("AMD Custom APU 0405") {
+            // LCD
+            1.0..7000.0
+        } else if cpu_name.contains("AMD Custom APU 0932") {
+            // OLED
+            1.0..9000.0
+        } else {
+            // Hopefully never reached
+            1.0..7001.0
+        }
+    }
+
+}
+
+fn do_fan_control(settings: &Settings, hwmon: &HwMonPath, thermal_zone: f64) {
+    /*
+        curve = self.settings["curve"]
+        fan_ratio = 0 # unnecessary in Python, but stupid without
+        if len(curve) == 0:
+            fan_ratio = 1
+        else:
+            index = -1
+            temperature_ratio = (thermal_zone(0) - TEMPERATURE_MINIMUM) / (TEMPERATURE_MAXIMUM - TEMPERATURE_MINIMUM)
+            for i in range(len(curve)-1, -1, -1):
+                if curve[i]["x"] < temperature_ratio:
+                    index = i
+                    break
+            if self.settings["interpolate"]:
+                fan_ratio = self.interpolate_fan(self, index, temperature_ratio)
+            else:
+                fan_ratio = self.step_fan(self, index, temperature_ratio)
+        set_fan_target(int((fan_ratio * FAN_MAXIMUM) + FAN_MINIMUM))
+    */
+    let fan_bounds = fan_range();
+    let temperature_ratio = ((thermal_zone as f64)/1000.0) / 100.0 /* temperature range in C */;
+    let mut index = None;
+    for i in (0..settings.curve.len()).rev() {
+        if settings.curve[i].x < temperature_ratio {
+            index = Some(i);
+            break;
+        }
+    }
+    let fan_ratio = if settings.interpolate {
+        interpolate_fan(settings, index, temperature_ratio)
+    } else {
+        step_fan(settings, index, temperature_ratio)
+    };
+    let fan_speed: u64 = ((fan_ratio * (fan_bounds.end - fan_bounds.start)) + fan_bounds.start) as _;
+    if let Err(e) = write_fan_target(hwmon, fan_speed) {
+        log::error!("Failed to write to Steam Deck fan target file: {}", e);
+    }
+}
+
+fn interpolate_fan(settings: &Settings, index: Option<usize>, t_ratio: f64) -> f64 {
+    /*
+        curve = self.settings["curve"]
+        upper_point = {"x": 1.0, "y": 0.0}
+        lower_point = {"x": 0.0, "y": 1.0}
+        if index != -1: # guaranteed to not be empty
+            lower_point = curve[index]
+        if index != len(curve) - 1:
+            upper_point = curve[index+1]
+        #logging.debug(f"lower_point: {lower_point}, upper_point: {upper_point}")
+        upper_y = 1-upper_point["y"]
+        lower_y = 1-lower_point["y"]
+        slope_m = (upper_y - lower_y) / (upper_point["x"] - lower_point["x"])
+        y_intercept_b = lower_y - (slope_m * lower_point["x"])
+        logging.debug(f"interpolation: y = {slope_m}x + {y_intercept_b}")
+        return (slope_m * temperature_ratio) + y_intercept_b
+    */
+    let (upper, lower) = if let Some(i) = index {
+        (if i != settings.curve.len() - 1 {
+            settings.curve[i+1].clone()
+        } else {
+            GraphPoint{x: 1.0, y: 1.0}
+        },
+        settings.curve[i].clone())
+    } else {
+        (if settings.curve.is_empty() {
+            GraphPoint{x: 1.0, y: 1.0}
+        } else {
+            settings.curve[0].clone()
+        },
+        GraphPoint{x: 0.0, y: 0.0})
+    };
+    let slope_m = (upper.y - lower.y) / (upper.x - lower.x);
+    let y_intercept_b = lower.y - (slope_m * lower.x);
+    log::debug!("interpolation: y = {}x + {} (between {:?} and {:?})", slope_m, y_intercept_b, upper, lower);
+    (slope_m * t_ratio) + y_intercept_b
+}
+
+fn step_fan(settings: &Settings, index: Option<usize>, _t_ratio: f64) -> f64 {
+    /*
+        curve = self.settings["curve"]
+        if index != -1:
+            return 1 - curve[index]["y"]
+        else:
+            if len(curve) == 0:
+                return 1
+            else:
+                return 0.5
+    */
+    // step fan, what are you doing?
+    if let Some(index) = index {
+        settings.curve[index].y
+    } else {
+        if settings.curve.is_empty() {
+            1.0
+        } else {
+            0.5
+        }
+    }
+}

backend-rs/src/adapters/fans/steam_deck/mod.rs

@@ -0,0 +1,2 @@
+mod adapter;
+pub use adapter::SteamDeckFan;

backend-rs/src/adapters/mod.rs

@@ -0,0 +1,5 @@
+mod traits;
+pub use traits::{FanAdapter, SensorAdapter, SensorReading, SensorType};
+
+pub mod fans;
+pub mod sensors;

backend-rs/src/adapters/sensors/dev_mode.rs

@@ -0,0 +1,12 @@
+pub struct DevModeSensor;
+
+impl super::Adapter for DevModeSensor {
+    fn read(&self) -> Result<super::Reading, std::io::Error> {
+        log::info!("read invoked");
+        return Ok(super::Reading {
+            value: 42_000.0,
+            meaning: super::super::SensorType::Temperature,
+            name: "DevModeSensor",
+        })
+    }
+}

backend-rs/src/adapters/sensors/mod.rs

@@ -0,0 +1,8 @@
+mod dev_mode;
+pub use dev_mode::DevModeSensor;
+
+mod thermal_zone;
+pub use thermal_zone::ThermalZoneSensor;
+
+pub(self) use super::SensorAdapter as Adapter;
+pub(self) use super::SensorReading as Reading;

backend-rs/src/adapters/sensors/thermal_zone.rs

@@ -0,0 +1,44 @@
+use sysfuss::BasicEntityPath;
+use sysfuss::SysEntityAttributesExt;
+
+pub struct ThermalZoneSensor {
+    zone: BasicEntityPath,
+}
+
+impl ThermalZoneSensor {
+    pub fn new<P: AsRef<std::path::Path>>(zone_path: P) -> Self {
+        Self { zone: BasicEntityPath::new(zone_path) }
+    }
+
+    pub fn new_if_exists<P: AsRef<std::path::Path>>(zone_path: P) -> Option<Self> {
+        if zone_path.as_ref().exists() {
+            Some(Self { zone: BasicEntityPath::new(zone_path) })
+        } else {
+            None
+        }
+    }
+}
+
+impl super::Adapter for ThermalZoneSensor {
+    fn read(&self) -> Result<super::Reading, std::io::Error> {
+        Ok(super::Reading {
+            value: read_thermal_zone(&self.zone)? as f64,
+            meaning: super::super::SensorType::Temperature,
+            name: "thermal_zone",
+        })
+    }
+}
+
+fn read_thermal_zone(entity: &BasicEntityPath) -> std::io::Result<u64> {
+    match entity.attribute("temp".to_owned()) {
+        Ok(x) => Ok(x),
+        Err(sysfuss::EitherErr2::First(e)) => {
+            log::error!("Failed read_thermal_zone(): {}", e);
+            Err(e)
+        },
+        Err(sysfuss::EitherErr2::Second(e)) => {
+            log::error!("Failed read_thermal_zone(): {}", e);
+            Err(std::io::Error::other(e))
+        },
+    }
+}

backend-rs/src/adapters/traits.rs

@@ -0,0 +1,30 @@
+use crate::datastructs::Settings;
+
+pub trait FanAdapter: Send + Sync {
+    /// Handle fan enable UI toggle
+    fn on_enable_toggled(&self, settings: &Settings);
+    /// Apply fan settings to fan (probably through udev/sysfs)
+    fn control_fan(&self, settings: &Settings, sensor: &SensorReading);
+    /// Get fan speed sensor
+    fn sensor<'a: 'b, 'b>(&'a self) -> Option<&'b dyn SensorAdapter> { None }
+}
+
+pub trait SensorAdapter: Send + Sync {
+    /// Read sensor value
+    fn read(&self) -> Result<SensorReading, std::io::Error>;
+}
+
+#[derive(Debug, Clone, Copy)]
+pub struct SensorReading {
+    pub value: f64,
+    pub meaning: SensorType,
+    pub name: &'static str,
+}
+
+#[derive(Debug, Clone, Copy)]
+pub enum SensorType {
+    Temperature, // milli-degrees Celcius
+    Fan, // revolutions per minute (RPM)
+    #[allow(dead_code)]
+    Unknown,
+}

backend-rs/src/api.rs

@@ -0,0 +1,238 @@
+use crate::services::fantastic::*;
+
+use usdpl_back::nrpc::_helpers::futures::{StreamExt, FutureExt};
+
+use super::control::ControlRuntime;
+
+pub const VERSION: &'static str = env!("CARGO_PKG_VERSION");
+pub const NAME: &'static str = env!("CARGO_PKG_NAME");
+
+const FAN_READ_PERIOD: std::time::Duration = std::time::Duration::from_millis(1000);
+const TEMPERATURE_READ_PERIOD: std::time::Duration = std::time::Duration::from_millis(2000);
+
+pub struct FanService {
+    ctrl: ControlRuntime,
+}
+
+impl FanService {
+    pub fn new(runtime: ControlRuntime) -> Self {
+        runtime.run();
+        Self {
+            ctrl: runtime,
+        }
+    }
+}
+
+fn once_true() -> impl std::iter::Iterator<Item = bool> {
+    // iters over [true, false, false, ...]
+    std::iter::once(true).chain(std::iter::repeat(false))
+}
+
+#[::nrpc::_helpers::async_trait::async_trait]
+impl<'a> IFan<'a> for FanService {
+    async fn echo(
+            &mut self,
+            input: EchoMessage,
+        ) -> Result<EchoMessage, Box<dyn std::error::Error + Send>> {
+            Ok(input)
+        }
+        async fn hello(
+            &mut self,
+            input: NameMessage,
+        ) -> Result<HelloResponse, Box<dyn std::error::Error + Send>> {
+            Ok(HelloResponse {
+                phrase: format!("Hello {}", input.name)
+            })
+        }
+        async fn version(
+            &mut self,
+            _input: Empty,
+        ) -> Result<VersionMessage, Box<dyn std::error::Error + Send>> {
+            Ok(
+                VersionMessage {
+                    major: 0,
+                    minor: 0,
+                    patch: 0,
+                    //display: VERSION.to_string(),
+                }
+            )
+        }
+        async fn version_str(
+            &mut self,
+            _input: Empty,
+        ) -> Result<VersionDisplayMessage, Box<dyn std::error::Error + Send>> {
+            Ok(
+                VersionDisplayMessage {
+                    display: VERSION.to_owned(),
+                }
+            )
+        }
+        async fn name(
+            &mut self,
+            _input: Empty,
+        ) -> Result<NameMessage, Box<dyn std::error::Error + Send>> {
+            Ok(
+                NameMessage {
+                    name: NAME.to_string(),
+                }
+            )
+        }
+        async fn get_fan_rpm<'b: 'a>(
+            &mut self,
+            _input: Empty,
+        ) -> Result<
+            usdpl_back::nrpc::ServiceServerStream<'b, RpmMessage>,
+            Box<dyn std::error::Error + Send>,
+        > {
+            let fan_clone = self.ctrl.fan_clone();
+            if fan_clone.sensor().is_some() {
+                let stream = usdpl_back::nrpc::_helpers::futures::stream::iter(once_true()).then(move |is_first| {
+                    let fan_clone2 = fan_clone.clone();
+                    tokio::task::spawn_blocking(
+                        /* tokio::time::sleep(..) is not Unpin (but this is)... *grumble grumble* */
+                        move || if !is_first { std::thread::sleep(FAN_READ_PERIOD); })
+                    .map(move |_| {
+                            if let Some(fan_sensor) = fan_clone2.sensor() {
+                                match fan_sensor.read() {
+                                    Ok(reading) => {
+                                        log::debug!("get_fan_rpm() success: {}", reading.value);
+                                        Ok(RpmMessage { rpm: reading.value as u32 })
+                                    }
+                                    Err(e) => {
+                                        Err(usdpl_back::nrpc::ServiceError::Method(Box::<dyn std::error::Error + Send + Sync>::from(format!("Failed to read fan speed: {}", e))))
+                                    }
+                                }
+                            } else {
+                                Err(usdpl_back::nrpc::ServiceError::Method(Box::<dyn std::error::Error + Send + Sync>::from("Failed to get fan speed sensor")))
+                            }
+                        })
+                });
+                Ok(Box::new(stream))
+            } else {
+                Ok(Box::new(usdpl_back::nrpc::_helpers::futures::stream::empty()))
+            }
+        }
+
+        async fn get_temperature<'b: 'a>(
+            &mut self,
+            _input: Empty,
+        ) -> Result<
+            usdpl_back::nrpc::ServiceServerStream<'b, TemperatureMessage>,
+            Box<dyn std::error::Error + Send>,
+        > {
+            let sensor_clone = self.ctrl.sensor_clone();
+            let stream = usdpl_back::nrpc::_helpers::futures::stream::iter(once_true()).then(move |is_first| {
+                let sensor_clone2 = sensor_clone.clone();
+                tokio::task::spawn_blocking(
+                    /* tokio::time::sleep(..) is not Unpin (but this is)... *grumble grumble* */
+                    move || if !is_first { std::thread::sleep(TEMPERATURE_READ_PERIOD); })
+                .map(move |_| {
+                        match sensor_clone2.read() {
+                            Ok(reading) => {
+                                let real_temp = reading.value as f64 / 1000.0;
+                                log::debug!("get_temperature() success: {}", real_temp);
+                                Ok(TemperatureMessage { temperature: real_temp })
+                            },
+                            Err(e) => {
+                                Err(usdpl_back::nrpc::ServiceError::Method(Box::<dyn std::error::Error + Send + Sync>::from(format!("get_temperature failed to read sensor: {}", e))))
+                            }
+                        }
+                    })
+            });
+            Ok(Box::new(stream))
+        }
+
+        async fn set_enable(
+            &mut self,
+            input: EnablementMessage,
+        ) -> Result<EnablementMessage, Box<dyn std::error::Error + Send>>{
+            let mut settings = self.ctrl.settings().write().await;
+            if settings.enable != input.is_enabled {
+                let mut state = self.ctrl.state().write().await;
+                settings.enable = input.is_enabled;
+                state.dirty = true;
+            }
+            log::debug!("set_enable({}) success", input.is_enabled);
+            Ok(input)
+        }
+        async fn get_enable(
+            &mut self,
+            _input: Empty,
+        ) -> Result<EnablementMessage, Box<dyn std::error::Error + Send>>{
+            let is_enabled = self.ctrl.settings().read().await.enable;
+            log::debug!("get_enable() success");
+            Ok(EnablementMessage { is_enabled })
+        }
+        async fn set_interpolate(
+            &mut self,
+            input: EnablementMessage,
+        ) -> Result<EnablementMessage, Box<dyn std::error::Error + Send>>{
+            let mut settings = self.ctrl.settings().write().await;
+            if settings.interpolate != input.is_enabled {
+                let mut state = self.ctrl.state().write().await;
+                settings.interpolate = input.is_enabled;
+                state.dirty = true;
+            }
+            log::debug!("set_interpolate({}) success", input.is_enabled);
+            Ok(input)
+        }
+        async fn get_interpolate(
+            &mut self,
+            _input: Empty,
+        ) -> Result<EnablementMessage, Box<dyn std::error::Error + Send>>{
+            let is_enabled = self.ctrl.settings().read().await.interpolate;
+            log::debug!("get_interpolate() success");
+            Ok(EnablementMessage { is_enabled })
+        }
+        async fn get_curve_x(
+            &mut self,
+            _input: Empty,
+        ) -> Result<CurveMessageX, Box<dyn std::error::Error + Send>>{
+            let settings = self.ctrl.settings().read().await;
+            let x = settings.curve.iter().map(|p| p.x).collect();
+            log::debug!("get_curve_x() success");
+            Ok(CurveMessageX { x })
+        }
+        async fn get_curve_y(
+            &mut self,
+            _input: Empty,
+        ) -> Result<CurveMessageY, Box<dyn std::error::Error + Send>>{
+            let settings = self.ctrl.settings().read().await;
+            let y = settings.curve.iter().map(|p| p.y).collect();
+            log::debug!("get_curve_x() success");
+            Ok(CurveMessageY { y })
+        }
+        async fn add_curve_point(
+            &mut self,
+            point: GraphPoint,
+        ) -> Result<Empty, Box<dyn std::error::Error + Send>>{
+            let mut settings = self.ctrl.settings().write().await;
+            settings.curve.push(super::datastructs::GraphPoint {
+                x: point.x,
+                y: point.y
+            });
+            settings.sort_curve();
+            let mut state = self.ctrl.state().write().await;
+            state.dirty = true;
+            log::debug!("add_curve_point(point: {:?}) success", point);
+            Ok(Empty { ok: true })
+        }
+        async fn remove_curve_point(
+            &mut self,
+            input: IndexMessage,
+        ) -> Result<Empty, Box<dyn std::error::Error + Send>>{
+            let mut settings = self.ctrl.settings().write().await;
+            let i = input.index as usize;
+            if settings.curve.len() > i {
+                settings.curve.swap_remove(i);
+                settings.sort_curve();
+                let mut state = self.ctrl.state().write().await;
+                state.dirty = true;
+                log::debug!("remove_curve_point(point: {}) success", input.index);
+                Ok(Empty { ok: true })
+            } else {
+                log::debug!("remove_curve_point(index: {}) failed", input.index);
+                Ok(Empty { ok: false })
+            }
+        }
+}

backend-rs/src/control.rs

@@ -0,0 +1,115 @@
+//! Fan control
+
+use std::sync::Arc;
+//use std::collections::HashMap;
+use tokio::sync::RwLock;
+
+use std::thread;
+use std::time::{Duration, Instant};
+
+use super::datastructs::{Settings, State};
+use super::json::SettingsJson;
+
+pub struct ControlRuntime {
+    settings: Arc<RwLock<Settings>>,
+    state: Arc<RwLock<State>>,
+    fan_adapter: Arc<Box<dyn crate::adapters::FanAdapter + 'static>>,
+    sensor_adapter: Arc<Box<dyn crate::adapters::SensorAdapter + 'static>>,
+}
+
+impl ControlRuntime {
+    #[allow(dead_code)]
+    pub fn new<F: crate::adapters::FanAdapter + 'static, S: crate::adapters::SensorAdapter + 'static>(fan: F, sensor: S) -> Self {
+        Self::new_boxed(Box::new(fan), Box::new(sensor))
+    }
+
+    pub(crate) fn new_boxed(fan: Box<dyn crate::adapters::FanAdapter + 'static>, sensor: Box<dyn crate::adapters::SensorAdapter + 'static>) -> Self {
+        let new_state = State::new();
+        let settings_p = settings_path(&new_state.home);
+        Self {
+            settings: Arc::new(RwLock::new(super::json::SettingsJson::open(settings_p).unwrap_or_default().into())),
+            state: Arc::new(RwLock::new(new_state)),
+            fan_adapter: Arc::new(fan),
+            sensor_adapter: Arc::new(sensor),
+        }
+    }
+
+    pub(crate) fn settings_clone(&self) -> Arc<RwLock<Settings>> {
+        self.settings.clone()
+    }
+
+    pub(crate) fn state_clone(&self) -> Arc<RwLock<State>> {
+        self.state.clone()
+    }
+
+    pub(crate) fn settings(&self) -> &'_ RwLock<Settings> {
+        &self.settings
+    }
+
+    pub(crate) fn state(&self) -> &'_ RwLock<State> {
+        &self.state
+    }
+
+    pub(crate) fn sensor_clone(&self) -> Arc<Box<dyn crate::adapters::SensorAdapter>> {
+        self.sensor_adapter.clone()
+    }
+
+    pub(crate) fn fan_clone(&self) -> Arc<Box<dyn crate::adapters::FanAdapter>> {
+        self.fan_adapter.clone()
+    }
+
+    pub fn run(&self) -> thread::JoinHandle<()> {
+        let runtime_settings = self.settings_clone();
+        let runtime_state = self.state_clone();
+        let runtime_fan = self.fan_adapter.clone();
+        let runtime_sensor = self.sensor_adapter.clone();
+        thread::spawn(move || {
+            let sleep_duration = Duration::from_millis(1000);
+            let mut start_time = Instant::now();
+            loop {
+                if Instant::now().duration_since(start_time).as_secs_f64() * 0.95 > sleep_duration.as_secs_f64() {
+                    // resumed from sleep; do fan re-init
+                    log::debug!("Detected resume from sleep, overriding fan again");
+                    {
+                        let settings = runtime_settings.blocking_read();
+                        if settings.enable {
+                            runtime_fan.on_enable_toggled(&settings);
+                        }
+                    }
+                }
+                start_time = Instant::now();
+                { // save to file
+                    let state = runtime_state.blocking_read();
+                    if state.dirty {
+                        // save settings to file
+                        let settings = runtime_settings.blocking_read();
+                        let settings_json: SettingsJson = settings.clone().into();
+                        if let Err(e) = settings_json.save(settings_path(&state.home)) {
+                            log::error!("SettingsJson.save({}) error: {}", settings_path(&state.home).display(), e);
+                        }
+                        runtime_fan.on_enable_toggled(&settings);
+                        drop(state);
+                        let mut state = runtime_state.blocking_write();
+                        state.dirty = false;
+                    }
+                }
+                { // fan control
+                    let settings = runtime_settings.blocking_read();
+                    if settings.enable {
+                        match runtime_sensor.read() {
+                            Err(e) => log::error!("Failed to read sensor for control_fan input: {}", e),
+                            Ok(reading) => {
+                                runtime_fan.control_fan(&settings, &reading);
+                            }
+                        }
+                    }
+                }
+                thread::sleep(sleep_duration);
+            }
+        })
+    }
+}
+
+fn settings_path<P: AsRef<std::path::Path>>(home: P) -> std::path::PathBuf {
+    home.as_ref().join(".config/fantastic/fantastic.json")
+}

backend-rs/src/datastructs.rs

@@ -0,0 +1,119 @@
+use std::default::Default;
+use std::convert::{Into, From};
+use std::path::PathBuf;
+
+use super::json::{SettingsJson, GraphPointJson};
+
+#[derive(Debug, Clone)]
+pub struct Settings {
+    pub version: u64,
+    pub enable: bool,
+    pub interpolate: bool,
+    pub curve: Vec<GraphPoint>,
+}
+
+impl Settings {
+    pub fn sort_curve(&mut self) {
+        self.curve.sort_by(|a, b| a.x.total_cmp(&b.x))
+    }
+}
+
+impl From<SettingsJson> for Settings {
+    fn from(mut other: SettingsJson) -> Self {
+        let mut result = match other.version {
+            0 => Self {
+                version: 1,
+                enable: other.enable,
+                interpolate: other.interpolate,
+                curve: other.curve.drain(..).map(|x| GraphPoint::from_json(x, other.version)).collect(),
+            },
+            1 => Self {
+                version: 1,
+                enable: other.enable,
+                interpolate: other.interpolate,
+                curve: other.curve.drain(..).map(|x| GraphPoint::from_json(x, other.version)).collect(),
+            },
+            _ => Self {
+                version: 1,
+                enable: other.enable,
+                interpolate: other.interpolate,
+                curve: other.curve.drain(..).map(|x| GraphPoint::from_json(x, other.version)).collect(),
+            }
+        };
+        result.sort_curve();
+        result
+    }
+}
+
+impl Into<SettingsJson> for Settings {
+    #[inline]
+    fn into(mut self) -> SettingsJson {
+        SettingsJson {
+            version: self.version,
+            enable: self.enable,
+            interpolate: self.interpolate,
+            curve: self.curve.drain(..).map(|x| x.into()).collect(),
+        }
+    }
+}
+
+#[derive(Debug, Clone)]
+pub struct GraphPoint {
+    pub x: f64,
+    pub y: f64,
+}
+
+impl GraphPoint {
+    #[inline]
+    pub fn from_json(other: GraphPointJson, version: u64) -> Self {
+        match version {
+            0 => Self {
+                x: other.x,
+                y: 1.0 - other.y, // use bottom left as origin, instead of whacky old way of top left
+            },
+            1 => Self {
+                x: other.x,
+                y: other.y,
+            },
+            _ => Self {
+                x: other.x,
+                y: other.y,
+            }
+        }
+    }
+}
+
+impl Into<GraphPointJson> for GraphPoint {
+    #[inline]
+    fn into(self) -> GraphPointJson {
+        GraphPointJson {
+            x: self.x,
+            y: self.y,
+        }
+    }
+}
+
+#[derive(Debug)]
+pub struct State {
+    pub home: PathBuf,
+    pub dirty: bool,
+}
+
+impl State {
+    pub fn new() -> Self {
+        let def = Self::default();
+        Self {
+            home: usdpl_back::api::dirs::home().unwrap_or(def.home),
+            dirty: true,
+        }
+    }
+}
+
+impl Default for State {
+    fn default() -> Self {
+        Self {
+            home: "/home/deck".into(),
+            dirty: true,
+        }
+    }
+}

backend-rs/src/json.rs

@@ -0,0 +1,62 @@
+use std::default::Default;
+use std::fmt::Display;
+
+use serde::{Serialize, Deserialize};
+
+//use super::datastructs::{Settings, GraphPoint};
+
+#[derive(Serialize, Deserialize)]
+pub struct SettingsJson {
+    pub version: u64,
+    pub enable: bool,
+    pub interpolate: bool,
+    pub curve: Vec<GraphPointJson>,
+}
+
+#[derive(Serialize, Deserialize)]
+pub struct GraphPointJson {
+    pub x: f64,
+    pub y: f64,
+}
+
+impl Default for SettingsJson {
+    fn default() -> Self {
+        Self {
+            version: 1,
+            enable: false,
+            interpolate: true,
+            curve: Vec::new(),
+        }
+    }
+}
+
+impl SettingsJson {
+    pub fn save<P: AsRef<std::path::Path>>(&self, path: P) -> Result<(), JsonError> {
+        let path = path.as_ref();
+        if let Some(parent) = path.parent() {
+            std::fs::create_dir_all(parent).map_err(JsonError::Io)?;
+        }
+        let mut file = std::fs::File::create(path).map_err(JsonError::Io)?;
+        serde_json::to_writer_pretty(&mut file, &self).map_err(JsonError::Serde)
+    }
+
+    pub fn open<P: AsRef<std::path::Path>>(path: P) -> Result<Self, JsonError> {
+        let mut file = std::fs::File::open(path).map_err(JsonError::Io)?;
+        serde_json::from_reader(&mut file).map_err(JsonError::Serde)
+    }
+}
+
+#[derive(Debug)]
+pub enum JsonError {
+    Serde(serde_json::Error),
+    Io(std::io::Error),
+}
+
+impl Display for JsonError {
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        match self {
+            Self::Serde(e) => (e as &dyn Display).fmt(f),
+            Self::Io(e) => (e as &dyn Display).fmt(f),
+        }
+    }
+}

backend-rs/src/main.rs

@@ -0,0 +1,69 @@
+mod api;
+mod adapters;
+mod control;
+mod datastructs;
+mod json;
+mod sys;
+
+use simplelog::{WriteLogger, LevelFilter};
+
+#[allow(missing_docs)]
+#[allow(dead_code)]
+pub mod services {
+    include!(concat!(env!("OUT_DIR"), "/mod.rs"));
+}
+
+use services::fantastic::FanServer;
+
+const PORT: u16 = 44444;
+
+fn main() -> Result<(), ()> {
+    WriteLogger::init(
+        #[cfg(debug_assertions)]{LevelFilter::Debug},
+        #[cfg(not(debug_assertions))]{LevelFilter::Info},
+        Default::default(),
+        std::fs::File::create("/tmp/fantastic.log").unwrap()
+    ).unwrap();
+
+    log::info!("Starting back-end ({} v{})", api::NAME, api::VERSION);
+    println!("Starting back-end ({} v{})", api::NAME, api::VERSION);
+    usdpl_back::Server::new(PORT)
+        .register(FanServer::new(
+            api::FanService::new(control::ControlRuntime::new_boxed(
+                adapters::fans::SteamDeckFan::maybe_find()
+                    .map(|f| Box::new(f) as Box<dyn adapters::FanAdapter>)
+                    .or_else(
+                        || adapters::fans::RogAllyFan::maybe_find()
+                            .map(|f| Box::new(f) as Box<dyn adapters::FanAdapter>)
+                    )
+                    .unwrap_or_else(|| Box::new(adapters::fans::DevModeFan)),
+                adapters::fans::SteamDeckFan::maybe_find_thermal_zone()
+                    .map(|t| Box::new(adapters::sensors::ThermalZoneSensor::new(t)) as Box<dyn adapters::SensorAdapter>)
+                    .or_else(
+                        || adapters::sensors::ThermalZoneSensor::new_if_exists("/sys/thermal/thermal_zone0")
+                            .map(|t| Box::new(t) as Box<dyn adapters::SensorAdapter>)
+                    )
+                    .unwrap_or_else(|| Box::new(adapters::sensors::DevModeSensor))
+            ))
+        ))
+        .run_blocking()
+        .unwrap();
+    Ok(())
+    /*Instance::new(PORT)
+        .register("echo", api::echo)
+        .register("hello", api::hello)
+        .register("version", api::version)
+        .register("name", api::name)
+        .register("get_fan_rpm", api::get_fan_rpm)
+        .register("get_temperature", api::get_temperature)
+        .register("set_enable", api::set_enable_gen(&runtime))
+        .register("get_enable", api::get_enable_gen(&runtime))
+        .register("set_interpolate", api::set_interpolate_gen(&runtime))
+        .register("get_interpolate", api::get_interpolate_gen(&runtime))
+        .register("get_curve", api::get_curve_gen(&runtime))
+        .register("add_curve_point", api::add_curve_point_gen(&runtime))
+        .register("remove_curve_point", api::remove_curve_point_gen(&runtime))
+        .run_blocking()*/
+    //Ok(())
+    //println!("Hello, world!");
+}

backend-rs/src/sys.rs

@@ -0,0 +1 @@
+pub const SYSFS_ROOT: &str = "/";

fantastic.json

@@ -0,0 +1,23 @@
+{
+  "version": 1,
+  "enable": true,
+  "interpolate": true,
+  "curve": [
+    {
+      "x": 0.5074626865671642,
+      "y": 0.225
+    },
+    {
+      "x": 0.6902985074626866,
+      "y": 0.795
+    }
+  ],
+  "fan_bounds": {
+    "min": 1.0,
+    "max": 7000.0
+  },
+  "temperature_bounds": {
+    "min": 0.0,
+    "max": 100.0
+  }
+}

main.py

@@ -1,223 +1,42 @@
-import json
-import os
+import pathlib
+import subprocess
 import asyncio
+import os
+
+HOME_DIR = str(pathlib.Path(os.getcwd()).parent.parent.resolve())
+PARENT_DIR = str(pathlib.Path(__file__).parent.resolve())
+
+LOG_LOCATION = "/tmp/fantastic.py.log"
 
 import logging
 
 logging.basicConfig(
-    filename = "/home/deck/.fantastic.log",
+    filename = LOG_LOCATION,
     format = '%(asctime)s %(levelname)s %(message)s',
     filemode = 'w',
     force = True)
 
 logger = logging.getLogger()
 logger.setLevel(logging.DEBUG)
-
-FAN_MINIMUM = 0
-FAN_MAXIMUM = 7000 # max is more around 7100
-
-TEMPERATURE_MINIMUM = 0.0
-TEMPERATURE_MAXIMUM = 100.0
-
-DATA_SAVE_FILE = "fantastic.json"
-DATA_SAVE_FOLDER = "/home/deck/.config/fantastic/"
-DATA_SAVE_PATH = DATA_SAVE_FOLDER + DATA_SAVE_FILE
-
-DEFAULT_DATA = {
-    "version": 0,
-    "enable": False,
-    "interpolate": True,
-    "curve": [], # items are {x: int (distance from left), y: int (distance from top, NOT bottom)}
-}
+logging.info(f"Fantastic main.py https://github.com/NGnius/Fantastic")
 
 class Plugin:
-    settings = None
-    is_changed = False
-
-    plot_width = 1;
-    plot_height = 1;
-
-    period_s = 1.0;
-
-    async def set_curve(self, curve):
-        await self.wait_for_ready(self)
-        self.settings["curve"] = curve
-        self.is_changed = True
-
-    async def get_curve(self):
-        await self.wait_for_ready(self)
-        return self.settings["curve"]
-
-    async def get_curve_point(self, index):
-        await self.wait_for_ready(self)
-        return self.settings["curve"][index]
-
-    async def set_curve_point(self, index, point):
-        await self.wait_for_ready(self)
-        self.settings["curve"][index] = point
-        self.is_changed = True
-
-    async def add_curve_point(self, point):
-        await self.wait_for_ready(self)
-        self.settings["curve"].append(point)
-        self.settings["curve"].sort(key=lambda p: p["x"])
-        self.is_changed = True
-        x = point["x"]
-        y = point["y"]
-        logger.debug(f"Added point (Temp:{100*x},PWM%:{100*y}) ~= ({x*self.plot_width},{y*self.plot_height})")
-
-    async def remove_curve_point(self, index):
-        await self.wait_for_ready(self)
-        del(self.settings["curve"][index])
-        self.is_changed = True
-
-    async def set_enable(self, enable: bool):
-        await self.wait_for_ready(self)
-        self.settings["enable"] = enable
-        on_set_enable(enable)
-        self.is_changed = True
-
-    async def get_enable(self) -> bool:
-        await self.wait_for_ready(self)
-        return self.settings["enable"]
-
-    async def set_interpol(self, interpolate: bool):
-        await self.wait_for_ready(self)
-        self.settings["interpolate"] = interpolate
-        self.is_changed = True
-
-    async def get_interpol(self) -> bool:
-        await self.wait_for_ready(self)
-        return self.settings["interpolate"]
-
-    async def set_plot_size(self, x, y):
-        logging.debug(f"Set plot size to ({x},{y})")
-        self.plot_width = x
-        self.plot_height = y
-
-    async def get_fan_rpm(self) -> int:
-        return get_fan_input()
-
-    async def get_temperature(self) -> int:
-        return int(thermal_zone(0))
-
-    async def set_poll_period(self, period):
-        self.period_s = period
-
-    def save(self):
-        if not os.path.exists(DATA_SAVE_FOLDER):
-            os.mkdir(DATA_SAVE_FOLDER)
-        with open(DATA_SAVE_PATH, "w") as data_file :
-            json.dump(self.settings, data_file)
-
-    async def wait_for_ready(self):
-        while self.settings is None:
-            await asyncio.sleep(0.01)
-
-    def do_fan_control(self):
-        curve = self.settings["curve"]
-        fan_ratio = 0 # unnecessary in Python, but stupid without
-        if len(curve) == 0:
-            fan_ratio = 1
-        else:
-            index = -1
-            temperature_ratio = (thermal_zone(0) - TEMPERATURE_MINIMUM) / (TEMPERATURE_MAXIMUM - TEMPERATURE_MINIMUM)
-            for i in range(len(curve)-1, -1, -1):
-                if curve[i]["x"] < temperature_ratio:
-                    index = i
-                    break
-            if self.settings["interpolate"]:
-                fan_ratio = self.interpolate_fan(self, index, temperature_ratio)
-            else:
-                fan_ratio = self.step_fan(self, index, temperature_ratio)
-        set_fan_target(int((fan_ratio * FAN_MAXIMUM) + FAN_MINIMUM))
-
-
-    def interpolate_fan(self, index, temperature_ratio):
-        curve = self.settings["curve"]
-        upper_point = {"x": 1.0, "y": 0.0}
-        lower_point = {"x": 0.0, "y": 1.0}
-        if index != -1: # guaranteed to not be empty
-            lower_point = curve[index]
-        if index != len(curve) - 1:
-            upper_point = curve[index+1]
-        #logging.debug(f"lower_point: {lower_point}, upper_point: {upper_point}")
-        upper_y = 1-upper_point["y"]
-        lower_y = 1-lower_point["y"]
-        slope_m = (upper_y - lower_y) / (upper_point["x"] - lower_point["x"])
-        y_intercept_b = lower_y - (slope_m * lower_point["x"])
-        logging.debug(f"interpolation: y = {slope_m}x + {y_intercept_b}")
-        return (slope_m * temperature_ratio) + y_intercept_b
-
-    def step_fan(self, index, temperature_ratio):
-        curve = self.settings["curve"]
-        if index != -1:
-            return 1 - curve[index]["y"]
-        else:
-            if len(curve) == 0:
-                return 1
-            else:
-                return 0.5
-
+    backend_proc = None
     # Asyncio-compatible long-running code, executed in a task when the plugin is loaded
     async def _main(self):
         # startup
-        if os.path.exists(DATA_SAVE_PATH):
-            with open(DATA_SAVE_PATH, "r") as data_file:
-                self.settings = json.load(data_file)
-        else:
-            self.settings = dict(DEFAULT_DATA)
-        try:
-            self.settings["version"]
-        except:
-            self.settings = dict(DEFAULT_DATA)
-        while self.settings["version"] != DEFAULT_DATA["version"]:
-            # TODO specific upgrade functionality
-            self.settings["version"] = DEFAULT_DATA["version"]
-            self.settings["enable"] = DEFAULT_DATA["enable"]
-            self.settings["interpolate"] = DEFAULT_DATA["interpolate"]
-            self.settings["curve"] = DEFAULT_DATA["curve"]
-            self.is_changed = True
-        on_set_enable(self.settings["enable"])
-        # work loop
+        self.backend_proc = subprocess.Popen(
+            [PARENT_DIR + "/bin/backend"],
+            env = dict(os.environ))
         while True:
-            if self.is_changed:
-                self.save(self)
-                self.is_changed = False
-            if self.settings["enable"]:
-                # custom fan curve is enabled
-                self.do_fan_control(self)
-            await asyncio.sleep(self.period_s)
+            await asyncio.sleep(1)
 
-def thermal_zone(index: int) -> float:
-    with open(f"/sys/class/thermal/thermal_zone{index}/temp", "r") as f:
-        result = float(f.read().strip()) / 1000.0
-        logging.debug(f"Got {result}'C from thermal_zone{index}")
-        return result
-
-def set_fan_target(rpm: int):
-    logging.debug(f"Setting fan1_target to {rpm}")
-    with open("/sys/class/hwmon/hwmon5/fan1_target", "w") as f:
-        f.write(str(rpm))
-
-def get_fan_input() -> int:
-    with open("/sys/class/hwmon/hwmon5/fan1_input", "r") as f:
-        rpm = int(f.read().strip())
-        #logging.debug(f"Got {rpm} from fan1_input") # this is too spammy; runs every 0.5s
-        return rpm
-
-def on_enable():
-    with open("/sys/class/hwmon/hwmon5/recalculate", "w") as f:
-        f.write("1")
-    # TODO stop system fan control
-
-def on_disable():
-    with open("/sys/class/hwmon/hwmon5/recalculate", "w") as f:
-        f.write("0")
-    # TODO restart system fan control
-
-def on_set_enable(enable):
-    if enable:
-        on_enable()
-    else:
-        on_disable()
+    async def _unload(self):
+        # shutdown
+        if self.backend_proc is not None:
+            self.backend_proc.terminate()
+            try:
+                self.backend_proc.wait(timeout=5) # 5 seconds timeout
+            except subprocess.TimeoutExpired:
+                self.backend_proc.kill()
+            self.backend_proc = None

main_view.html

@@ -1,283 +0,0 @@
-<html>
-    <head>
-        <link rel="stylesheet" href="/steam_resource/css/2.css">
-        <link rel="stylesheet" href="/steam_resource/css/39.css">
-        <link rel="stylesheet" href="/steam_resource/css/library.css">
-        <script src="/static/library.js"></script>
-        <script>
-            const PLOT_HEIGHT = 200;
-            const PLOT_WIDTH = 270;
-            const OFFSET_X = 0;
-            const OFFSET_Y = 0;
-            // state
-            let curve = [];
-            let plotClickIsHandled = false;
-
-            // back-end
-
-            function setCurve(curve) {
-                return call_plugin_method("set_curve", {"curve": curve});
-            }
-
-            function getCurve() {
-                return call_plugin_method("get_curve", {});
-            }
-
-            function getCurvePoint(index) {
-                return call_plugin_method("get_curve_point", {"index": index});
-            }
-
-            function setCurvePoint(index, point) {
-                return call_plugin_method("set_curve_point", {"index": index, "point": point});
-            }
-
-            function addCurvePoint(point) {
-                return call_plugin_method("add_curve_point", {"point": point});
-            }
-
-            function removeCurvePoint(index) {
-                return call_plugin_method("remove_curve_point", {"index": index});
-            }
-
-            function setEnable(enable) {
-                return call_plugin_method("set_enable", {"enable": enable});
-            }
-
-            function getEnable() {
-                return call_plugin_method("get_enable", {});
-            }
-
-            function setInterpol(enable) {
-                return call_plugin_method("set_interpol", {"interpolate": enable});
-            }
-
-            function getInterpol() {
-                return call_plugin_method("get_interpol", {});
-            }
-
-            function getFanRpm() {
-                return call_plugin_method("get_fan_rpm", {});
-            }
-
-            function getTemperature() {
-                return call_plugin_method("get_temperature", {});
-            }
-
-            function setPlotSize(x, y) {
-                return call_plugin_method("set_plot_size", {"x": x, "y": y});
-            }
-
-            // events
-
-            async function onload_body() {
-                let hiderDiv = document.getElementById("hiderDiv");
-                let graphDiv = document.getElementById("graphDiv");
-                await setPlotSize(PLOT_WIDTH, PLOT_HEIGHT);
-                const state_controlToggle = await getEnable(); // retrieve from back-end
-                setToggleState(document.getElementById("controlToggle"), state_controlToggle);
-                const state_interpolToggle = await getInterpol(); // retrieve from back-end
-                setToggleState(document.getElementById("interpolToggle"), state_interpolToggle);
-                showHideElement(hiderDiv, state_controlToggle);
-                if (state_controlToggle) {
-                    curve = await getCurve();
-                    buildCurvePlot(curve);
-                }
-                window.setInterval(pollStats, 500);
-                console.log("Loaded");
-            }
-
-            async function onclick_graphDiv(e) {
-                console.log("Click @ (" + e.layerX.toString() + ", " + e.layerY.toString() + ")");
-                if (plotClickIsHandled) {
-                    plotClickIsHandled = false;
-                } else {
-                    await addCurvePoint({"x": (e.layerX - OFFSET_X) / PLOT_WIDTH, "y": (e.layerY - OFFSET_Y) / PLOT_HEIGHT});
-                    curve = await getCurve();
-                    buildCurvePlot(curve);
-                }
-            }
-
-            async function onclick_controlToggle() {
-                console.log("Click @ controlToggle");
-                let hiderDiv = document.getElementById("hiderDiv");
-                let graphDiv = document.getElementById("graphDiv");
-                let controlToggle = document.getElementById("controlToggle");
-                const state_controlToggle = getToggleState(controlToggle);
-                await setEnable(!state_controlToggle); // notify back-end
-                setToggleState(controlToggle, !state_controlToggle);
-                if (!state_controlToggle) {
-                    curve = await getCurve();
-                    buildCurvePlot(curve);
-                }
-                showHideElement(hiderDiv, !state_controlToggle);
-            }
-
-            async function onclick_interpolToggle() {
-                console.log("Click @ interpolToggle");
-                let interpolToggle = document.getElementById("interpolToggle");
-                const state_interpolToggle = getToggleState(interpolToggle);
-                await setInterpol(!state_interpolToggle); // notify back-end
-                setToggleState(interpolToggle, !state_interpolToggle);
-            }
-
-            async function onclick_plotPoint(e, index) {
-                console.log("Click @ plotPoint " + index.toString());
-                plotClickIsHandled = true; // this must be before the first async call (janky!)
-                await removeCurvePoint(index);
-                curve = await getCurve();
-                buildCurvePlot(curve);
-                //e.stopPropogation();
-            }
-
-            // common
-
-            function buildCurvePlot(curve_points) {
-                // TODO
-                let graphDiv = document.getElementById("graphDiv");
-                let newStr = "<span style=\"font-size:x-small;position:absolute;left:1px;top:-1px;\">100%</span><span style=\"font-size:x-small;position:absolute;left:1px;bottom:-1px;\">0</span><span style=\"font-size:x-small;position:absolute;left:-2px;bottom:50%;writing-mode:vertical-lr;text-orientation:mixed;\">Fan</span><span style=\"font-size:x-small;position:absolute;right:1px;bottom:-1px;\">100</span><span style=\"font-size:x-small;position:absolute;left:35%;bottom:-1px;\">Temperature (°C)</span>";
-                for (let i = 0; i < curve_points.length; i++) {
-                    const point = curve_points[i];
-                    newStr += "<span style=\"position:absolute;"
-                    newStr += "top:" + Math.round(point["y"]*PLOT_HEIGHT + OFFSET_Y + 1).toString() + "px;left:" + Math.round(point["x"]*PLOT_WIDTH + OFFSET_X + 1).toString() + "px;";
-                    newStr += "width:8px;height:8px;background-color:#1a9fff;border-radius:4px\" id=\"plotPoint";
-                    newStr += i.toString() + "\" onclick=\"onclick_plotPoint(event," + i.toString() + ")\"></span>";
-                }
-                graphDiv.innerHTML = newStr;
-            }
-
-            function pollStats() {
-                /*getFanRpm().then(speed => {
-                    let fanNow = document.getElementById("fanNow");
-                    fanNow.innerText = speed.toString() + " RPM";
-                });
-                sleep(1).then(_ => {});
-                getTemperature().then(temp => {
-                    let tempNow = document.getElementById("tempNow");
-                    tempNow.innerText = temp.toString() + " °C";
-                });
-                sleep(1).then(_ => {});*/
-                pollStatsAsync().then(_ => {});
-            }
-
-            async function pollStatsAsync() {
-                let fanNow = document.getElementById("fanNow");
-                let tempNow = document.getElementById("tempNow");
-
-                const speed = await getFanRpm();
-                const temp = await getTemperature();
-
-                fanNow.innerText = speed.toString() + " RPM";
-                tempNow.innerText = temp.toString() + " °C";
-            }
-
-            function showHideElement(elem, visible) {
-                if (visible) {
-                    elem.style.visibility = "visible";
-                    elem.style.height = "auto";
-                } else {
-                    elem.style.visibility = "hidden";
-                    elem.style.height = "0px";
-                }
-            }
-
-            function setToggleState(toggle, state) {
-                const ENABLED_CLASS = "gamepaddialog_On_yLrDA";
-                if (state && !toggle.classList.contains(ENABLED_CLASS)) {
-                    toggle.classList.add(ENABLED_CLASS);
-                }
-
-                if (!state && toggle.classList.contains(ENABLED_CLASS)) {
-                    toggle.classList.remove(ENABLED_CLASS);
-                }
-            }
-
-            function getToggleState(toggle) {
-                return toggle.classList.contains("gamepaddialog_On_yLrDA");
-            }
-
-            function sleep(ms) {
-                return new Promise(resolve => setTimeout(resolve, ms));
-            }
-        </script>
-    </head>
-    <body onload="onload_body()" style="overflow-x:hidden;">
-        <div class="quickaccessmenu_TabGroupPanel_1QO7b Panel Focusable">
-            <div class="quickaccesscontrols_PanelSectionRow_26R5w">
-                <div class="quickaccesscontrols_PanelSectionRow_26R5w">
-                    <div class="gamepaddialog_Field_eKmEX gamepaddialog_WithFirstRow_2bDqk gamepaddialog_ExtraPaddingOnChildrenBelow_3nLNL gamepaddialog_StandardPadding_xIITX gamepaddialog_HighlightOnFocus_2HFrm Panel Focusable" style="--indent-level:0;">
-                        <div class="gamepaddialog_FieldLabelRow_2VcTl">
-                            <div class="gamepaddialog_FieldLabel_3jMlJ">
-                                Custom Fan Curve
-                            </div>
-                            <div class="gamepaddialog_FieldChildren_2rhav">
-                                <div id="controlToggle" tabindex="0" class="gamepaddialog_Toggle_9Ql-o Focusable" onclick="onclick_controlToggle()">
-                                    <div class="gamepaddialog_ToggleRail_2bl0i"></div>
-                                    <div class="gamepaddialog_ToggleSwitch_1PQpp"></div>
-                                </div>
-                            </div>
-                        </div>
-                        <div class="gamepaddialog_FieldDescription_1W1to">Overrides SteamOS fan curve</div>
-                    </div>
-                </div>
-            </div>
-        </div>
-        <div id="hiderDiv">
-            <div id="graphDiv" style="height:200px;width:270px;border:1px solid #1a9fff;position:relative;background-color:#1a1f2c;border-radius:4px;" onclick="onclick_graphDiv(event)">
-                Some text to show that something is broken :(
-            </div>
-            <div style="font-size:x-small; text-align:center;">
-            Click to add/remove points on the fan curve.
-            </div>
-            <div class="quickaccessmenu_TabGroupPanel_1QO7b Panel Focusable">
-                <div class="quickaccesscontrols_PanelSectionRow_26R5w">
-                    <div class="quickaccesscontrols_PanelSectionRow_26R5w">
-                        <div class="gamepaddialog_Field_eKmEX gamepaddialog_WithFirstRow_2bDqk gamepaddialog_ExtraPaddingOnChildrenBelow_3nLNL gamepaddialog_StandardPadding_xIITX gamepaddialog_HighlightOnFocus_2HFrm Panel Focusable" style="--indent-level:0;">
-                            <div class="gamepaddialog_FieldLabelRow_2VcTl">
-                                <div class="gamepaddialog_FieldLabel_3jMlJ">
-                                    Linear Interpolation
-                                </div>
-                                <div class="gamepaddialog_FieldChildren_2rhav">
-                                    <div id="interpolToggle" tabindex="0" class="gamepaddialog_Toggle_9Ql-o Focusable" onclick="onclick_interpolToggle()">
-                                        <div class="gamepaddialog_ToggleRail_2bl0i"></div>
-                                        <div class="gamepaddialog_ToggleSwitch_1PQpp"></div>
-                                    </div>
-                                </div>
-                            </div>
-                            <div class="gamepaddialog_FieldDescription_1W1to">Pretends a straight line connects points</div>
-                        </div>
-                    </div>
-                </div>
-            </div>
-        </div>
-        <!-- Fan Info -->
-        <div class="quickaccesscontrols_PanelSection_3gY0a" onclick="updateBatteryStats()" style="margin-bottom:0px;">
-            <!--<div class="quickaccesscontrols_PanelSectionTitle_1IigU">
-                <div class="quickaccesscontrols_Text_1cokl">Fan</div>
-            </div>-->
-            <div class="Panel Focusable" tabindex="0">
-                <div class="quickaccesscontrols_PanelSectionRow_3LM_Z">
-                    <div class="gamepaddialog_Field_eKmEX gamepaddialog_WithFirstRow_2bDqk gamepaddialog_InlineWrapShiftsChildrenBelow_3LCXh gamepaddialog_StandardPadding_xIITX gamepaddialog_HighlightOnFocus_2HFrm Panel Focusable" style="--indent-level:0;padding-left:0px;padding-right:0px;">
-                        <div class="gamepaddialog_FieldLabelRow_2VcTl">
-                            <div class="gamepaddialog_FieldLabel_3jMlJ">Current Fan Speed</div>
-                            <div class="gamepaddialog_FieldChildren_2rhav">
-                                <div class="gamepaddialog_LabelFieldValue_3pteV" id="fanNow"> (|-_-|) </div>
-                            </div>
-                        </div>
-                    </div>
-                </div>
-            </div>
-            <div class="Panel Focusable" tabindex="0">
-                <div class="quickaccesscontrols_PanelSectionRow_3LM_Z">
-                    <div class="gamepaddialog_Field_eKmEX gamepaddialog_WithFirstRow_2bDqk gamepaddialog_InlineWrapShiftsChildrenBelow_3LCXh gamepaddialog_StandardPadding_xIITX gamepaddialog_HighlightOnFocus_2HFrm Panel Focusable" style="--indent-level:0;padding-left:0px;padding-right:0px;">
-                        <div class="gamepaddialog_FieldLabelRow_2VcTl">
-                            <div class="gamepaddialog_FieldLabel_3jMlJ">Current Temperature</div>
-                            <div class="gamepaddialog_FieldChildren_2rhav">
-                                <div class="gamepaddialog_LabelFieldValue_3pteV" id="tempNow"> (|-_-|) </div>
-                            </div>
-                        </div>
-                    </div>
-                </div>
-            </div>
-        </div>
-    </body>
-</html>

package.json

@@ -0,0 +1,55 @@
+{
+  "name": "Fantastic",
+  "version": "0.6.0-alpha1",
+  "description": "A template to quickly create decky plugins from scratch, based on TypeScript and webpack",
+  "scripts": {
+    "build": "shx rm -rf dist && rollup -c",
+    "watch": "rollup -c -w",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/NGnius/Fantastic.git"
+  },
+  "keywords": [
+    "decky",
+    "plugin",
+    "utility",
+    "fan",
+    "steam-deck",
+    "deck"
+  ],
+  "author": "NGnius <ngniusness@gmail.com>",
+  "license": "GPL-3.0",
+  "bugs": {
+    "url": "https://github.com/NGnius/Fantastic/issues"
+  },
+  "homepage": "https://github.com/NGnius/Fantastic#readme",
+  "devDependencies": {
+    "@rollup/plugin-commonjs": "^21.1.0",
+    "@rollup/plugin-json": "^4.1.0",
+    "@rollup/plugin-node-resolve": "^13.3.0",
+    "@rollup/plugin-replace": "^4.0.0",
+    "@rollup/plugin-typescript": "^8.5.0",
+    "@types/react": "16.14.0",
+    "@types/webpack": "^5.28.5",
+    "rollup": "^2.79.1",
+    "rollup-plugin-import-assets": "^1.1.1",
+    "shx": "^0.3.4",
+    "tslib": "^2.6.2",
+    "typescript": "^4.9.5"
+  },
+  "dependencies": {
+    "decky-frontend-lib": "^3.25.0",
+    "fantastic-wasm": "file:src/rust/pkg",
+    "react-icons": "^4.12.0"
+  },
+  "pnpm": {
+    "peerDependencyRules": {
+      "ignoreMissing": [
+        "react",
+        "react-dom"
+      ]
+    }
+  }
+}

plugin.json

@@ -1,12 +1,11 @@
 {
     "name": "Fantastic",
     "author": "NGnius",
-    "main_view_html": "main_view.html",
-    "tile_view_html": "",
-    "flags": ["root", "_debug"],
+    "flags": ["root", "_debug", "global-dfl"],
     "publish": {
         "discord_id": "106537989684887552",
         "description": "Fan controls",
-        "tags": [ "utility", "fan-control" ]
+        "tags": [ "utility", "fan-control", "root" ],
+        "image": "https://raw.githubusercontent.com/NGnius/Fantastic/main/assets/thumbnail.png"
     }
 }

pnpm-lock.yaml

@@ -0,0 +1,953 @@
+lockfileVersion: '6.1'
+
+settings:
+  autoInstallPeers: true
+  excludeLinksFromLockfile: false
+
+dependencies:
+  decky-frontend-lib:
+    specifier: ^3.25.0
+    version: 3.25.0
+  fantastic-wasm:
+    specifier: file:src/rust/pkg
+    version: file:src/rust/pkg
+  react-icons:
+    specifier: ^4.12.0
+    version: 4.12.0
+
+devDependencies:
+  '@rollup/plugin-commonjs':
+    specifier: ^21.1.0
+    version: 21.1.0(rollup@2.79.1)
+  '@rollup/plugin-json':
+    specifier: ^4.1.0
+    version: 4.1.0(rollup@2.79.1)
+  '@rollup/plugin-node-resolve':
+    specifier: ^13.3.0
+    version: 13.3.0(rollup@2.79.1)
+  '@rollup/plugin-replace':
+    specifier: ^4.0.0
+    version: 4.0.0(rollup@2.79.1)
+  '@rollup/plugin-typescript':
+    specifier: ^8.5.0
+    version: 8.5.0(rollup@2.79.1)(tslib@2.6.2)(typescript@4.9.5)
+  '@types/react':
+    specifier: 16.14.0
+    version: 16.14.0
+  '@types/webpack':
+    specifier: ^5.28.5
+    version: 5.28.5
+  rollup:
+    specifier: ^2.79.1
+    version: 2.79.1
+  rollup-plugin-import-assets:
+    specifier: ^1.1.1
+    version: 1.1.1(rollup@2.79.1)
+  shx:
+    specifier: ^0.3.4
+    version: 0.3.4
+  tslib:
+    specifier: ^2.6.2
+    version: 2.6.2
+  typescript:
+    specifier: ^4.9.5
+    version: 4.9.5
+
+packages:
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+    engines: {node: '>=6.0.0'}
+    dependencies:
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+      '@jridgewell/sourcemap-codec': 1.4.15
+      '@jridgewell/trace-mapping': 0.3.25
+    dev: true
+
+  /@jridgewell/resolve-uri@3.1.2:
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+    dependencies:
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+      '@jridgewell/trace-mapping': 0.3.25
+    dev: true
+
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+    dev: true
+
+  /@jridgewell/trace-mapping@0.3.25:
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+    dependencies:
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+    dev: true
+
+  /@rollup/plugin-commonjs@21.1.0(rollup@2.79.1):
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+    engines: {node: '>= 8.0.0'}
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+    dependencies:
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+      is-reference: 1.2.1
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+      rollup: 2.79.1
+    dev: true
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+  /@rollup/plugin-json@4.1.0(rollup@2.79.1):
+    resolution: {integrity: sha512-yfLbTdNS6amI/2OpmbiBoW12vngr5NW2jCJVZSBEz+H5KfUJZ2M7sDjk0U6GOOdCWFVScShte29o9NezJ53TPw==}
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+      rollup: 2.79.1
+    dev: true
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+  /@rollup/plugin-node-resolve@13.3.0(rollup@2.79.1):
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+    engines: {node: '>= 10.0.0'}
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+    dev: true
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+    resolution: {integrity: sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA==}
+    dev: true
+
+  /neo-async@2.6.2:
+    resolution: {integrity: sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw==}
+    dev: true
+
+  /node-releases@2.0.14:
+    resolution: {integrity: sha512-y10wOWt8yZpqXmOgRo77WaHEmhYQYGNA6y421PKsKYWEK8aW+cqAphborZDhqfyKrbZEN92CN1X2KbafY2s7Yw==}
+    dev: true
+
+  /once@1.4.0:
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+    dependencies:
+      wrappy: 1.0.2
+    dev: true
+
+  /path-is-absolute@1.0.1:
+    resolution: {integrity: sha512-AVbw3UJ2e9bq64vSaS9Am0fje1Pa8pbGqTTsmXfaIiMpnr5DlDhfJOuLj9Sf95ZPVDAUerDfEk88MPmPe7UCQg==}
+    engines: {node: '>=0.10.0'}
+    dev: true
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+    dev: true
+
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+    dev: true
+
+  /picomatch@2.3.1:
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+    engines: {node: '>=8.6'}
+    dev: true
+
+  /punycode@2.3.1:
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+    engines: {node: '>=6'}
+    dev: true
+
+  /randombytes@2.1.0:
+    resolution: {integrity: sha512-vYl3iOX+4CKUWuxGi9Ukhie6fsqXqS9FE2Zaic4tNFD2N2QQaXOMFbuKK4QmDHC0JO6B1Zp41J0LpT0oR68amQ==}
+    dependencies:
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+    dev: true
+
+  /react-icons@4.12.0:
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+    peerDependencies:
+      react: '*'
+    peerDependenciesMeta:
+      react:
+        optional: true
+    dev: false
+
+  /rechoir@0.6.2:
+    resolution: {integrity: sha512-HFM8rkZ+i3zrV+4LQjwQ0W+ez98pApMGM3HUrN04j3CqzPOzl9nmP15Y8YXNm8QHGv/eacOVEjqhmWpkRV0NAw==}
+    engines: {node: '>= 0.10'}
+    dependencies:
+      resolve: 1.22.8
+    dev: true
+
+  /resolve@1.22.8:
+    resolution: {integrity: sha512-oKWePCxqpd6FlLvGV1VU0x7bkPmmCNolxzjMf4NczoDnQcIWrAF+cPtZn5i6n+RfD2d9i0tzpKnG6Yk168yIyw==}
+    hasBin: true
+    dependencies:
+      is-core-module: 2.13.1
+      path-parse: 1.0.7
+      supports-preserve-symlinks-flag: 1.0.0
+    dev: true
+
+  /rollup-plugin-import-assets@1.1.1(rollup@2.79.1):
+    resolution: {integrity: sha512-u5zJwOjguTf2N+wETq2weNKGvNkuVc1UX/fPgg215p5xPvGOaI6/BTc024E9brvFjSQTfIYqgvwogQdipknu1g==}
+    peerDependencies:
+      rollup: '>=1.9.0'
+    dependencies:
+      rollup: 2.79.1
+      rollup-pluginutils: 2.8.2
+      url-join: 4.0.1
+    dev: true
+
+  /rollup-pluginutils@2.8.2:
+    resolution: {integrity: sha512-EEp9NhnUkwY8aif6bxgovPHMoMoNr2FulJziTndpt5H9RdwC47GSGuII9XxpSdzVGM0GWrNPHV6ie1LTNJPaLQ==}
+    dependencies:
+      estree-walker: 0.6.1
+    dev: true
+
+  /rollup@2.79.1:
+    resolution: {integrity: sha512-uKxbd0IhMZOhjAiD5oAFp7BqvkA4Dv47qpOCtaNvng4HBwdbWtdOh8f5nZNuk2rp51PMGk3bzfWu5oayNEuYnw==}
+    engines: {node: '>=10.0.0'}
+    hasBin: true
+    optionalDependencies:
+      fsevents: 2.3.3
+    dev: true
+
+  /safe-buffer@5.2.1:
+    resolution: {integrity: sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==}
+    dev: true
+
+  /schema-utils@3.3.0:
+    resolution: {integrity: sha512-pN/yOAvcC+5rQ5nERGuwrjLlYvLTbCibnZ1I7B1LaiAz9BRBlE9GMgE/eqV30P7aJQUf7Ddimy/RsbYO/GrVGg==}
+    engines: {node: '>= 10.13.0'}
+    dependencies:
+      '@types/json-schema': 7.0.15
+      ajv: 6.12.6
+      ajv-keywords: 3.5.2(ajv@6.12.6)
+    dev: true
+
+  /serialize-javascript@6.0.2:
+    resolution: {integrity: sha512-Saa1xPByTTq2gdeFZYLLo+RFE35NHZkAbqZeWNd3BpzppeVisAqpDjcp8dyf6uIvEqJRd46jemmyA4iFIeVk8g==}
+    dependencies:
+      randombytes: 2.1.0
+    dev: true
+
+  /shelljs@0.8.5:
+    resolution: {integrity: sha512-TiwcRcrkhHvbrZbnRcFYMLl30Dfov3HKqzp5tO5b4pt6G/SezKcYhmDg15zXVBswHmctSAQKznqNW2LO5tTDow==}
+    engines: {node: '>=4'}
+    hasBin: true
+    dependencies:
+      glob: 7.2.3
+      interpret: 1.4.0
+      rechoir: 0.6.2
+    dev: true
+
+  /shx@0.3.4:
+    resolution: {integrity: sha512-N6A9MLVqjxZYcVn8hLmtneQWIJtp8IKzMP4eMnx+nqkvXoqinUPCbUFLp2UcWTEIUONhlk0ewxr/jaVGlc+J+g==}
+    engines: {node: '>=6'}
+    hasBin: true
+    dependencies:
+      minimist: 1.2.8
+      shelljs: 0.8.5
+    dev: true
+
+  /source-map-support@0.5.21:
+    resolution: {integrity: sha512-uBHU3L3czsIyYXKX88fdrGovxdSCoTGDRZ6SYXtSRxLZUzHg5P/66Ht6uoUlHu9EZod+inXhKo3qQgwXUT/y1w==}
+    dependencies:
+      buffer-from: 1.1.2
+      source-map: 0.6.1
+    dev: true
+
+  /source-map@0.6.1:
+    resolution: {integrity: sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==}
+    engines: {node: '>=0.10.0'}
+    dev: true
+
+  /sourcemap-codec@1.4.8:
+    resolution: {integrity: sha512-9NykojV5Uih4lgo5So5dtw+f0JgJX30KCNI8gwhz2J9A15wD0Ml6tjHKwf6fTSa6fAdVBdZeNOs9eJ71qCk8vA==}
+    deprecated: Please use @jridgewell/sourcemap-codec instead
+    dev: true
+
+  /supports-color@8.1.1:
+    resolution: {integrity: sha512-MpUEN2OodtUzxvKQl72cUF7RQ5EiHsGvSsVG0ia9c5RbWGL2CI4C7EpPS8UTBIplnlzZiNuV56w+FuNxy3ty2Q==}
+    engines: {node: '>=10'}
+    dependencies:
+      has-flag: 4.0.0
+    dev: true
+
+  /supports-preserve-symlinks-flag@1.0.0:
+    resolution: {integrity: sha512-ot0WnXS9fgdkgIcePe6RHNk1WA8+muPa6cSjeR3V8K27q9BB1rTE3R1p7Hv0z1ZyAc8s6Vvv8DIyWf681MAt0w==}
+    engines: {node: '>= 0.4'}
+    dev: true
+
+  /tapable@2.2.1:
+    resolution: {integrity: sha512-GNzQvQTOIP6RyTfE2Qxb8ZVlNmw0n88vp1szwWRimP02mnTsx3Wtn5qRdqY9w2XduFNUgvOwhNnQsjwCp+kqaQ==}
+    engines: {node: '>=6'}
+    dev: true
+
+  /terser-webpack-plugin@5.3.10(webpack@5.90.3):
+    resolution: {integrity: sha512-BKFPWlPDndPs+NGGCr1U59t0XScL5317Y0UReNrHaw9/FwhPENlq6bfgs+4yPfyP51vqC1bQ4rp1EfXW5ZSH9w==}
+    engines: {node: '>= 10.13.0'}
+    peerDependencies:
+      '@swc/core': '*'
+      esbuild: '*'
+      uglify-js: '*'
+      webpack: ^5.1.0
+    peerDependenciesMeta:
+      '@swc/core':
+        optional: true
+      esbuild:
+        optional: true
+      uglify-js:
+        optional: true
+    dependencies:
+      '@jridgewell/trace-mapping': 0.3.25
+      jest-worker: 27.5.1
+      schema-utils: 3.3.0
+      serialize-javascript: 6.0.2
+      terser: 5.29.1
+      webpack: 5.90.3
+    dev: true
+
+  /terser@5.29.1:
+    resolution: {integrity: sha512-lZQ/fyaIGxsbGxApKmoPTODIzELy3++mXhS5hOqaAWZjQtpq/hFHAc+rm29NND1rYRxRWKcjuARNwULNXa5RtQ==}
+    engines: {node: '>=10'}
+    hasBin: true
+    dependencies:
+      '@jridgewell/source-map': 0.3.5
+      acorn: 8.11.3
+      commander: 2.20.3
+      source-map-support: 0.5.21
+    dev: true
+
+  /tslib@2.6.2:
+    resolution: {integrity: sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q==}
+    dev: true
+
+  /typescript@4.9.5:
+    resolution: {integrity: sha512-1FXk9E2Hm+QzZQ7z+McJiHL4NW1F2EzMu9Nq9i3zAaGqibafqYwCVU6WyWAuyQRRzOlxou8xZSyXLEN8oKj24g==}
+    engines: {node: '>=4.2.0'}
+    hasBin: true
+    dev: true
+
+  /undici-types@5.26.5:
+    resolution: {integrity: sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==}
+    dev: true
+
+  /update-browserslist-db@1.0.13(browserslist@4.23.0):
+    resolution: {integrity: sha512-xebP81SNcPuNpPP3uzeW1NYXxI3rxyJzF3pD6sH4jE7o/IX+WtSpwnVU+qIsDPyk0d3hmFQ7mjqc6AtV604hbg==}
+    hasBin: true
+    peerDependencies:
+      browserslist: '>= 4.21.0'
+    dependencies:
+      browserslist: 4.23.0
+      escalade: 3.1.2
+      picocolors: 1.0.0
+    dev: true
+
+  /uri-js@4.4.1:
+    resolution: {integrity: sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==}
+    dependencies:
+      punycode: 2.3.1
+    dev: true
+
+  /url-join@4.0.1:
+    resolution: {integrity: sha512-jk1+QP6ZJqyOiuEI9AEWQfju/nB2Pw466kbA0LEZljHwKeMgd9WrAEgEGxjPDD2+TNbbb37rTyhEfrCXfuKXnA==}
+    dev: true
+
+  /watchpack@2.4.0:
+    resolution: {integrity: sha512-Lcvm7MGST/4fup+ifyKi2hjyIAwcdI4HRgtvTpIUxBRhB+RFtUh8XtDOxUfctVCnhVi+QQj49i91OyvzkJl6cg==}
+    engines: {node: '>=10.13.0'}
+    dependencies:
+      glob-to-regexp: 0.4.1
+      graceful-fs: 4.2.11
+    dev: true
+
+  /webpack-sources@3.2.3:
+    resolution: {integrity: sha512-/DyMEOrDgLKKIG0fmvtz+4dUX/3Ghozwgm6iPp8KRhvn+eQf9+Q7GWxVNMk3+uCPWfdXYC4ExGBckIXdFEfH1w==}
+    engines: {node: '>=10.13.0'}
+    dev: true
+
+  /webpack@5.90.3:
+    resolution: {integrity: sha512-h6uDYlWCctQRuXBs1oYpVe6sFcWedl0dpcVaTf/YF67J9bKvwJajFulMVSYKHrksMB3I/pIagRzDxwxkebuzKA==}
+    engines: {node: '>=10.13.0'}
+    hasBin: true
+    peerDependencies:
+      webpack-cli: '*'
+    peerDependenciesMeta:
+      webpack-cli:
+        optional: true
+    dependencies:
+      '@types/eslint-scope': 3.7.7
+      '@types/estree': 1.0.5
+      '@webassemblyjs/ast': 1.11.6
+      '@webassemblyjs/wasm-edit': 1.11.6
+      '@webassemblyjs/wasm-parser': 1.11.6
+      acorn: 8.11.3
+      acorn-import-assertions: 1.9.0(acorn@8.11.3)
+      browserslist: 4.23.0
+      chrome-trace-event: 1.0.3
+      enhanced-resolve: 5.15.1
+      es-module-lexer: 1.4.1
+      eslint-scope: 5.1.1
+      events: 3.3.0
+      glob-to-regexp: 0.4.1
+      graceful-fs: 4.2.11
+      json-parse-even-better-errors: 2.3.1
+      loader-runner: 4.3.0
+      mime-types: 2.1.35
+      neo-async: 2.6.2
+      schema-utils: 3.3.0
+      tapable: 2.2.1
+      terser-webpack-plugin: 5.3.10(webpack@5.90.3)
+      watchpack: 2.4.0
+      webpack-sources: 3.2.3
+    transitivePeerDependencies:
+      - '@swc/core'
+      - esbuild
+      - uglify-js
+    dev: true
+
+  /wrappy@1.0.2:
+    resolution: {integrity: sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==}
+    dev: true
+
+  file:src/rust/pkg:
+    resolution: {directory: src/rust/pkg, type: directory}
+    name: fantastic-wasm
+    version: 0.5.0
+    dev: false

rollup.config.js

@@ -0,0 +1,38 @@
+import commonjs from '@rollup/plugin-commonjs';
+import json from '@rollup/plugin-json';
+import { nodeResolve } from '@rollup/plugin-node-resolve';
+import replace from '@rollup/plugin-replace';
+import typescript from '@rollup/plugin-typescript';
+import { defineConfig } from 'rollup';
+import importAssets from 'rollup-plugin-import-assets';
+
+import { name } from "./plugin.json";
+
+export default defineConfig({
+  input: './src/index.tsx',
+  plugins: [
+    commonjs(),
+    nodeResolve(),
+    typescript(),
+    json(),
+    replace({
+      preventAssignment: false,
+      'process.env.NODE_ENV': JSON.stringify('production'),
+    }),
+    importAssets({
+      publicPath: `http://127.0.0.1:1337/plugins/${name}/`
+    })
+  ],
+  context: 'window',
+  external: ['react', 'react-dom', 'decky-frontend-lib'],
+  output: {
+    file: 'dist/index.js',
+    globals: {
+      react: 'SP_REACT',
+      'react-dom': 'SP_REACTDOM',
+      'decky-frontend-lib': 'DFL',
+    },
+    format: 'iife',
+    exports: 'default',
+  },
+});

src/backend.ts

@@ -0,0 +1,103 @@
+//import {init_usdpl, target_usdpl, init_embedded, call_backend} from "usdpl-front";
+
+import { init_embedded, target_usdpl } from "fantastic-wasm";
+import { Fan } from "fantastic-wasm";
+
+//@ts-ignore
+//const Fan = {};
+
+const USDPL_PORT: number = 44444;
+
+var FAN_CLIENT: Fan | undefined = undefined;
+
+// Utility
+
+export function resolve(promise: Promise<any>, setter: any) {
+    (async function () {
+        let data = await promise;
+        if (data != null) {
+            console.debug("Got resolved", data);
+            setter(data);
+        } else {
+            console.warn("Resolve failed:", data);
+        }
+    })();
+}
+
+export function execute(promise: Promise<any[]>) {
+    (async function () {
+        let data = await promise;
+        console.debug("Got executed", data);
+    })();
+}
+
+export async function initBackend() {
+    // init usdpl
+    await init_embedded();
+    FAN_CLIENT = new Fan(USDPL_PORT);
+    console.log("FANTASTIC: USDPL started for framework: " + target_usdpl());
+    //setReady(true);
+}
+
+// Back-end functions
+
+export async function setEnabled(value: boolean): Promise<boolean> {
+    return (await FAN_CLIENT!.set_enable(value))?? value;
+    //return (await call_backend("set_enable", [value]))[0];
+}
+
+export async function getEnabled(): Promise<boolean> {
+    return (await FAN_CLIENT!.get_enable(true)) ?? false;
+}
+
+export async function setInterpolate(value: boolean): Promise<boolean> {
+    return (await FAN_CLIENT!.set_interpolate(value)) ?? value;
+    //return (await call_backend("set_interpolate", [value]))[0];
+}
+
+export async function getInterpolate(): Promise<boolean> {
+    return (await FAN_CLIENT!.get_interpolate(true)) ?? false;
+    //return (await call_backend("get_interpolate", []))[0];
+}
+
+export async function getVersion(): Promise<string> {
+    return (await FAN_CLIENT!.version_str(true)) ?? "version";
+    //return (await call_backend("version", []))[0];
+}
+
+export async function getName(): Promise<string> {
+    return (await FAN_CLIENT!.name(true))?? "broken";
+    //return (await call_backend("name", []))[0];
+}
+
+export async function getCurve(): Promise<{"x": number, "y": number}[]> {
+    var x_s = (await FAN_CLIENT!.get_curve_x(true))?? [];
+    var y_s = (await FAN_CLIENT!.get_curve_y(true))?? [];
+    let result: {"x": number, "y": number}[] = [];
+    for (let i = 0; i < x_s.length && i < y_s.length; i++) {
+        result.push({
+            x: x_s[i],
+            y: y_s[i],
+        });
+    }
+    return result;
+}
+
+export async function addCurvePoint(point: {"x": number, "y": number}): Promise<{"x": number, "y": number}[]> {
+    await FAN_CLIENT!.add_curve_point(point.x, point.y);
+    return getCurve();
+}
+
+export async function removeCurvePoint(index: number): Promise<{"x": number, "y": number}[]> {
+    await FAN_CLIENT!.remove_curve_point(index);
+    return getCurve();
+    //return (await call_backend("remove_curve_point", [index]))[0];
+}
+
+export async function getFanRpm(callback: (rpm: number) => void): Promise<void> {
+    return (await FAN_CLIENT!.get_fan_rpm(true, callback));
+}
+
+export async function getTemperature(callback: (temp: number) => void): Promise<void> {
+    return (await FAN_CLIENT!.get_temperature(true, callback));
+}

src/canvas.tsx

@@ -0,0 +1,39 @@
+// from https://medium.com/@pdx.lucasm/canvas-with-react-js-32e133c05258
+
+//import React from 'react';
+import { useRef, useEffect } from 'react';
+
+export const Canvas = (props: any) => {
+
+  const { draw, options, ...rest } = props;
+  //const { context, ...moreConfig } = options;
+  const canvasRef = useCanvas(draw);
+
+  return <canvas ref={canvasRef} {...rest}/>;
+}
+
+export const useCanvas = (draw: (ctx: any, count: number) => void) => {
+
+  const canvasRef: any = useRef(null);
+
+  useEffect(() => {
+
+    const canvas = canvasRef.current;
+    const context = canvas!.getContext('2d');
+    let frameCount = 0;
+    let animationFrameId: number;
+
+    const render = () => {
+      frameCount++;
+      draw(context, frameCount);
+      animationFrameId = window.requestAnimationFrame(render);
+    }
+    render();
+
+    return () => {
+      window.cancelAnimationFrame(animationFrameId);
+    }
+  }, [draw]);
+
+  return canvasRef;
+}

src/index.tsx

@@ -0,0 +1,350 @@
+import {
+  definePlugin,
+  PanelSection,
+  PanelSectionRow,
+  Field,
+  ServerAPI,
+  ToggleField,
+  staticClasses,
+  Navigation,
+} from "decky-frontend-lib";
+import { VFC, useState } from "react";
+import { FaFan } from "react-icons/fa";
+import { SiOnlyfans } from "react-icons/si";
+
+import { version_usdpl } from "fantastic-wasm";
+
+import * as backend from "./backend";
+import {Canvas} from "./canvas";
+
+const POINT_SIZE = 32;
+
+var periodicHook: any = null;
+var usdplReady: boolean = false;
+
+var name: string = "";
+var version: string = "";
+
+var curve_backup: {x: number, y: number}[] = [];
+
+var tempCache: number = -1337;
+var setTemperature_display = (_: number) => {};
+
+var fanRpmCache: number = -273;
+var setFanRpm_display = (_: number) => {};
+
+const Content: VFC<{ serverAPI: ServerAPI }> = ({serverAPI}) => {
+  // const [result, setResult] = useState<number | undefined>();
+
+  // const onClick = async () => {
+  //   const result = await serverAPI.callPluginMethod<AddMethodArgs, number>(
+  //     "add",
+  //     {
+  //       left: 2,
+  //       right: 2,
+  //     }
+  //   );
+  //   if (result.success) {
+  //     setResult(result.result);
+  //   }
+  // };
+
+  const [enabledGlobal, setEnableInternal] = useState<boolean>(false);
+  const [interpolGlobal, setInterpol] = useState<boolean>(false);
+  const [_serverApiGlobal, setServerApi] = useState<ServerAPI>(serverAPI);
+  const [firstTime, setFirstTime] = useState<boolean>(true);
+  const [curveGlobal, setCurve_internal] = useState<{x: number, y: number}[]>(curve_backup);
+
+  const setCurve = (value: {x: number, y: number}[]) => {
+    setCurve_internal(value);
+    curve_backup = value;
+  }
+
+  const [temperatureGlobal, setTemperature] = useState<number>(tempCache);
+  const [fanRpmGlobal, setFanRpm] = useState<number>(fanRpmCache);
+  setTemperature_display = (x) => {
+    setTemperature(x);
+    tempCache = x;
+  };
+  setFanRpm_display = (x) => {
+    setFanRpm(x);
+    fanRpmCache = x;
+  };
+
+  function setEnable(enable: boolean) {
+    setEnableInternal(enable);
+  }
+
+  function onClickCanvas(e: any) {
+    //console.log("[FANTASTIC] canvas click", e);
+    const realEvent: any = e.nativeEvent;
+    //console.log("Canvas click @ (" + realEvent.layerX.toString() + ", " + realEvent.layerY.toString() + ")");
+    const target: any = e.currentTarget;
+    //console.log("[FANTASTIC] Target dimensions " + target.width.toString() + "x" + target.height.toString());
+    var clickX = realEvent.offsetX;
+    var clickY = realEvent.offsetY;
+    //console.debug("[FANTASTIC] curve click:", clickX, clickY);
+    for (let i = 0; i < curveGlobal.length; i++) {
+      const curvePoint = curveGlobal[i];
+      const pointX = curvePoint.x * target.width;
+      const pointY = (1 - curvePoint.y) * target.height;
+      if (
+        pointX + POINT_SIZE > clickX
+        && pointX - POINT_SIZE < clickX
+        && pointY + POINT_SIZE > clickY
+        && pointY - POINT_SIZE < clickY
+        ) {
+          //console.log("Clicked on point " + i.toString());
+          backend.resolve(backend.removeCurvePoint(i), setCurve);
+          return;
+        }
+    }
+    //console.log("Adding new point");
+    const curvePoint = {x: clickX / target.width, y: 1 - (clickY / target.height)};
+    backend.resolve(backend.addCurvePoint(curvePoint), setCurve);
+  }
+
+  function drawCanvas(ctx: any, frameCount: number): void {
+    if (frameCount % 100 > 1) {
+      return;
+    }
+    const width: number = ctx.canvas.width;
+    const height: number = ctx.canvas.height;
+    ctx.strokeStyle = "#1a9fff";
+    ctx.fillStyle = "#1a9fff";
+    ctx.lineWidth = 2;
+    ctx.lineJoin = "round";
+    //ctx.beginPath();
+    ctx.clearRect(0, 0, width, height);
+    /*ctx.arc(75, 75, 50, 0, Math.PI * 2, true); // Outer circle
+    ctx.moveTo(110, 75);
+    ctx.arc(75, 75, 35, 0, Math.PI, false);  // Mouth (clockwise)
+    ctx.moveTo(65, 65);
+    ctx.arc(60, 65, 5, 0, Math.PI * 2, true);  // Left eye
+    ctx.moveTo(95, 65);
+    ctx.arc(90, 65, 5, 0, Math.PI * 2, true);  // Right eye*/
+    //ctx.beginPath();
+    //ctx.moveTo(0, height);
+
+    // graph helper lines
+    ctx.beginPath();
+    ctx.strokeStyle = "#093455";
+    //ctx.fillStyle = "#093455";
+    const totalLines = 7;
+    const lineDistance = 1 / (totalLines + 1);
+    for (let i = 1; i <= totalLines; i++) {
+      ctx.moveTo(lineDistance * i * width, 0);
+      ctx.lineTo(lineDistance * i * width, height);
+      ctx.moveTo(0, lineDistance * i * height);
+      ctx.lineTo(width, lineDistance * i * height);
+    }
+    ctx.stroke();
+    //ctx.fill();
+
+    ctx.beginPath();
+    ctx.strokeStyle = "#1a9fff";
+    ctx.fillStyle = "#1a9fff";
+
+    // axis labels
+    ctx.textAlign = "center";
+    ctx.rotate(- Math.PI / 2);
+    ctx.fillText("Fan RPM", - height / 2, 12); // Y axis is rotated 90 degrees
+    ctx.rotate(Math.PI / 2);
+    ctx.fillText("Temperature", width / 2, height - 4);
+    // graph data labels
+    ctx.textAlign = "start"; // default
+    ctx.fillText("0", 2, height - 2);
+    ctx.fillText("100%", 2, 9);
+    ctx.textAlign = "right";
+    ctx.fillText("100°C", width - 2, height - 2);
+
+    ctx.moveTo(0, height);
+    if (interpolGlobal) {
+      //ctx.beginPath();
+      for (let i = 0; i < curveGlobal.length; i++) {
+        const canvasHeight = (1 - curveGlobal[i].y) * height;
+        const canvasWidth = curveGlobal[i].x * width;
+        ctx.lineTo(canvasWidth, canvasHeight);
+        ctx.moveTo(canvasWidth, canvasHeight);
+        ctx.arc(canvasWidth, canvasHeight, 8, 0, Math.PI * 2);
+        ctx.moveTo(canvasWidth, canvasHeight);
+      }
+      ctx.lineTo(width, 0);
+      //ctx.moveTo(width, 0);
+    } else {
+      //ctx.beginPath();
+      for (let i = 0; i < curveGlobal.length - 1; i++) {
+        const canvasHeight = (1 - curveGlobal[i].y) * height;
+        const canvasWidth = curveGlobal[i].x * width;
+        const canvasHeight2 = (1 - curveGlobal[i+1].y) * height;
+        const canvasWidth2 = curveGlobal[i+1].x * width;
+        //ctx.lineTo(canvasWidth, canvasHeight);
+        ctx.moveTo(canvasWidth, canvasHeight);
+        ctx.arc(canvasWidth, canvasHeight, 8, 0, Math.PI * 2);
+        ctx.moveTo(canvasWidth, canvasHeight);
+        ctx.lineTo(canvasWidth2, canvasHeight);
+        ctx.moveTo(canvasWidth2, canvasHeight);
+        ctx.lineTo(canvasWidth2, canvasHeight2);
+      }
+      if (curveGlobal.length != 0) {
+        const i = curveGlobal.length - 1;
+        const canvasHeight = (1 - curveGlobal[i].y) * height;
+        const canvasWidth = curveGlobal[i].x * width;
+        //ctx.lineTo(width, 0);
+        ctx.moveTo(canvasWidth, canvasHeight);
+        ctx.arc(canvasWidth, canvasHeight, 8, 0, Math.PI * 2);
+        ctx.moveTo(canvasWidth, canvasHeight);
+        ctx.lineTo(width, canvasHeight);
+        //ctx.moveTo(width, canvasHeight);
+        //ctx.lineTo(width, 0);
+        const canvasHeight2 = (1 - curveGlobal[0].y) * height;
+        const canvasWidth2 = curveGlobal[0].x * width;
+        ctx.moveTo(canvasWidth2, canvasHeight2);
+        ctx.lineTo(canvasWidth2, height);
+      }
+      //ctx.moveTo(width, 0);
+    }
+    ctx.stroke();
+    ctx.fill();
+    console.debug("Rendered fan graph canvas frame", frameCount);
+    //console.debug("Drew canvas with " + curveGlobal.length.toString() + " points; " + width.toString() + "x" + height.toString());
+    //ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height);
+    //ctx.fillStyle = '#000000';
+    //ctx.beginPath();
+    //ctx.arc(50, 100, 20*Math.sin(frameCount*0.05)**2, 0, 2*Math.PI);
+    //ctx.fill();
+
+  }
+
+  if (firstTime) {
+    setFirstTime(false);
+    setServerApi(serverAPI);
+    backend.resolve(backend.getEnabled(), setEnable);
+    backend.resolve(backend.getInterpolate(), setInterpol);
+    backend.resolve(backend.getCurve(), setCurve);
+    backend.resolve(backend.getTemperature(setTemperature_display), (_: any) => {});
+    backend.resolve(backend.getFanRpm(setFanRpm_display), (_: any) => {});
+
+    if (periodicHook != null) {
+      clearInterval(periodicHook);
+    }
+
+    /*periodicHook = setInterval(function() {
+        backend.resolve(backend.getTemperature(), setTemperature);
+        backend.resolve(backend.getFanRpm(), setFanRpm);
+    }, 1000);*/
+  }
+
+  if (!usdplReady) {
+    return (
+      <PanelSectionRow>
+        <Field
+          label="Loading...">
+          If you can read this, something probably went wrong :(
+        </Field>
+      </PanelSectionRow>
+    );
+  }
+
+  // TODO handle clicking on fan curve nodes
+
+  return (
+    <PanelSection>
+      <PanelSectionRow>
+        <Field
+          label="Current Fan Speed">
+          {fanRpmGlobal.toFixed(0) + " RPM"}
+        </Field>
+      </PanelSectionRow>
+      <PanelSectionRow>
+        <Field
+          label="Current Temperature">
+          {temperatureGlobal.toFixed(1) + " °C"}
+        </Field>
+      </PanelSectionRow>
+      <PanelSectionRow>
+        <ToggleField
+          label="Custom Fan Curve"
+          description="Overrides SteamOS fan curve"
+          checked={enabledGlobal}
+          onChange={(value: boolean) => {
+            backend.resolve(backend.setEnabled(value), setEnable);
+          }}
+        />
+      </PanelSectionRow>
+      { enabledGlobal &&
+      <div className={staticClasses.PanelSectionTitle}>
+        Fan
+      </div>
+      }
+      { enabledGlobal &&
+      <PanelSectionRow>
+        <Canvas draw={drawCanvas} width={268} height={200} style={{
+          "width": "268px",
+          "height": "200px",
+          "padding":"0px",
+          "border":"1px solid #1a9fff",
+          //"position":"relative",
+          "background-color":"#1a1f2c",
+          "border-radius":"4px",
+          //"margin":"auto",
+        }} onClick={(e: any) => onClickCanvas(e)}/>
+      </PanelSectionRow>
+      }
+      { enabledGlobal &&
+      <PanelSectionRow>
+        <ToggleField
+          label="Linear Interpolation"
+          description="Pretends a straight line connects points"
+          checked={interpolGlobal}
+          onChange={(value: boolean) => {
+            backend.resolve(backend.setInterpolate(value), setInterpol);
+          }}
+        />
+      </PanelSectionRow>
+      }
+      <PanelSectionRow>
+        <Field
+          label={name}
+          onClick={()=> { Navigation.NavigateToExternalWeb("https://git.ngni.us/NG-SD-Plugins/Fantastic/releases"); }}>
+          {"v" + version}
+        </Field>
+      </PanelSectionRow>
+      { (version?.includes("alpha") || version?.includes("beta")) && <PanelSectionRow>
+        <Field
+          label="USDPL"
+          onClick={()=> { Navigation.NavigateToExternalWeb("https://git.ngni.us/NG-SD-Plugins/usdpl-rs"); }}>
+          v{version_usdpl()}
+        </Field>
+      </PanelSectionRow>}
+    </PanelSection>
+  );
+};
+
+(async function(){
+  if (!usdplReady) {
+    await backend.initBackend();
+    usdplReady = true;
+    backend.getEnabled();
+    name = await backend.getName();
+    version = await backend.getVersion();
+  }
+})();
+
+export default definePlugin((serverApi: ServerAPI) => {
+
+  let ico = <FaFan />;
+  let now = new Date();
+  if (now.getDate() == 1 && now.getMonth() == 3) {
+    ico = <SiOnlyfans/>;
+  }
+
+  return {
+    title: <div className={staticClasses.Title}>Fantastic</div>,
+    content: <Content serverAPI={serverApi} />,
+    icon: ico,
+    onDismount() {
+      clearInterval(periodicHook!);
+    },
+  };
+});

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+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
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src/rust/Cargo.toml

@@ -0,0 +1,33 @@
+[package]
+name = "fantastic-wasm"
+version = "0.5.0"
+edition = "2021"
+authors = ["NGnius (Graham) <ngniusness@gmail.com>"]
+description = "Frontend bindings for fan control functionality"
+license = "GPL-3.0-only"
+repository = "https://git.ngni.us/NG-SD-Plugins/Fantastic"
+keywords = ["utility", "fan-control", "root", "decky"]
+readme = "../../README.md"
+
+[lib]
+crate-type = ["cdylib", "rlib"]
+
+[dependencies]
+usdpl-front = { version = "1.0", path = "../../../usdpl-rs/usdpl-front" }
+nrpc = { version = "1.0", path = "../../../nRPC/nrpc", default-features = false }
+prost = "0.11"
+
+[build-dependencies]
+usdpl-build = { version = "1.0", path = "../../../usdpl-rs/usdpl-build" }
+
+[features]
+debug = ["usdpl-front/debug"]
+decky = ["usdpl-front/decky"]
+
+[profile.release]
+# Tell `rustc` to optimize for small code size.
+opt-level = "s"
+debug = false
+strip = true
+lto = true
+codegen-units = 4

src/rust/build.rs

@@ -0,0 +1,15 @@
+fn main() {
+    println!("CWD: {}", std::env::current_dir().unwrap().display());
+    usdpl_build::front::build(
+        [format!(
+            "{}/../../backend-rs/protos/fantastic.proto",
+            std::env::current_dir().unwrap().display()
+        )]
+        .into_iter(),
+        [format!(
+            "{}/../../backend-rs/protos/",
+            std::env::current_dir().unwrap().display()
+        )]
+        .into_iter(),
+    )
+}

src/rust/build.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+if [ -n "$1" ]; then
+    if [ "$1" == "--help" ]; then
+        echo "Usage:
+$0 [decky|crankshaft|<nothing>]"
+        exit 0
+    elif [ "$1" == "decky" ]; then
+        echo "Building WASM module for decky framework"
+        RUSTFLAGS="--cfg aes_compact" wasm-pack build --target web --features decky,$2
+    else
+        echo "Unsupported plugin framework \`$1\`"
+        exit 1
+    fi
+else
+    echo "WARNING: Building for any plugin framework, which may not work for every framework"
+    RUSTFLAGS="--cfg aes_compact" wasm-pack build --target web --features debug,$2
+fi
+
+python3 ./scripts/generate_embedded_wasm.py

src/rust/scripts/generate_embedded_wasm.py

@@ -0,0 +1,45 @@
+import base64
+
+if __name__ == "__main__":
+    print("Embedding WASM into js")
+    # assumption: current working directory (relative to this script) is ../
+    # assumption: release wasm binary at ./pkg/usdpl_bg.wasm
+    with open("./pkg/fantastic_wasm_bg.wasm", mode="rb") as infile:
+        with open("./pkg/fantastic_wasm.js", mode="ab") as outfile:
+            outfile.write("\n\n// USDPL customization\nconst encoded = \"".encode())
+            encoded = base64.b64encode(infile.read())
+            outfile.write(encoded)
+            outfile.write("\";\n\n".encode())
+            outfile.write(
+"""function asciiToBinary(str) {
+  if (typeof atob === 'function') {
+    return atob(str)
+  } else {
+    return new Buffer(str, 'base64').toString('binary');
+  }
+}
+
+function decode() {
+  var binaryString =  asciiToBinary(encoded);
+  var bytes = new Uint8Array(binaryString.length);
+  for (var i = 0; i < binaryString.length; i++) {
+    bytes[i] = binaryString.charCodeAt(i);
+  }
+  return (async function() {
+    return new Response(bytes.buffer, {
+        status: 200,
+        statusText: 'OK',
+        headers: {
+            'Content-Type': 'application/wasm'
+        }
+    });
+  })();
+}
+
+export function init_embedded() {
+    return __wbg_init(decode())
+}
+""".encode())
+    with open("./pkg/fantastic_wasm.d.ts", "a") as outfile:
+        outfile.write("\n\n// USDPL customization\nexport function init_embedded();\n")
+    print("Done: Embedded WASM into js")

src/rust/src/lib.rs

@@ -0,0 +1,7 @@
+#[allow(missing_docs)]
+#[allow(dead_code)]
+pub mod services {
+    include!(concat!(env!("OUT_DIR"), "/mod.rs"));
+}
+
+pub use usdpl_front;

src/types.d.ts

@@ -0,0 +1,14 @@
+declare module "*.svg" {
+  const content: string;
+  export default content;
+}
+
+declare module "*.png" {
+  const content: string;
+  export default content;
+}
+
+declare module "*.jpg" {
+  const content: string;
+  export default content;
+}

tsconfig.json

@@ -0,0 +1,23 @@
+{
+  "compilerOptions": {
+    "outDir": "dist",
+    "module": "ESNext",
+    "target": "ES2020",
+    "jsx": "react",
+    "jsxFactory": "window.SP_REACT.createElement",
+    "declaration": false,
+    "moduleResolution": "node",
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "esModuleInterop": true,
+    "noImplicitReturns": true,
+    "noImplicitThis": true,
+    "noImplicitAny": true,
+    "strict": true,
+    "suppressImplicitAnyIndexErrors": true,
+    "allowSyntheticDefaultImports": true,
+    "skipLibCheck": true
+  },
+  "include": ["src"],
+  "exclude": ["node_modules"]
+}