diff --git a/src-tauri/Cargo.toml b/src-tauri/Cargo.toml
index c86f43b..22d04b6 100644
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@@ -16,6 +16,7 @@ crate-type = ["staticlib", "cdylib", "rlib"]
 
 [features]
 default = ["multi-dim"]
+debug = []
 devkit = ["dep:tonic", "dep:prost", "dep:prost-types", "dep:async-stream", "dep:dirs"]
 multi-dim = ["dep:ndarray"]
 
diff --git a/src-tauri/src/commands/serial.rs b/src-tauri/src/commands/serial.rs
index c81f470..e6bebcd 100644
--- a/src-tauri/src/commands/serial.rs
+++ b/src-tauri/src/commands/serial.rs
@@ -122,8 +122,7 @@ pub fn serial_enum() -> Result<Vec<String>, SerialError> {
         .into_iter()
         .filter_map(|p| {
             let name = p.port_name;
-            #[cfg(unix)]
-            if !name.contains("USB") {
+            if !should_include_serial_port(&name) {
                 return None;
             }
             Some(name)
@@ -133,6 +132,21 @@ pub fn serial_enum() -> Result<Vec<String>, SerialError> {
     Ok(ports)
 }
 
+#[cfg(target_os = "macos")]
+fn should_include_serial_port(name: &str) -> bool {
+    name.to_ascii_lowercase().contains("usb")
+}
+
+#[cfg(all(unix, not(target_os = "macos")))]
+fn should_include_serial_port(name: &str) -> bool {
+    name.contains("USB")
+}
+
+#[cfg(not(unix))]
+fn should_include_serial_port(_name: &str) -> bool {
+    true
+}
+
 #[tauri::command]
 pub async fn serial_connect(
     app: AppHandle,
diff --git a/src-tauri/src/serial_core/serial.rs b/src-tauri/src/serial_core/serial.rs
index d78ab4f..acaa334 100644
--- a/src-tauri/src/serial_core/serial.rs
+++ b/src-tauri/src/serial_core/serial.rs
@@ -327,12 +327,15 @@ where
                                 }
                             }
                         }
-                        #[cfg(feature = "devkit")]
-                        {
-                            let summary = vals.iter().copied().sum::<i32>();
-                            let force = raw_to_g1(summary as u32);
-                            push_devkit_frame(&app, vals.as_slice(), frame.dts_ms(), force);
-                        }
+                        // #[cfg(feature = "devkit")]
+                        // {
+                        //     let summary = vals.iter().copied().sum::<i32>();
+                        //     #[cfg(feature = "debug")]
+                        //     let force = raw_to_g1(summary as u32);
+                        //     #[cfg(not(feature = "debug"))]
+                        //     let force = summary as f64;
+                        //     push_devkit_frame(&app, vals.as_slice(), frame.dts_ms(), force);
+                        // }
 
                         pending_sub_frame = Some(PendingSubFrame {
                             frame: frame.clone(),
@@ -355,6 +358,11 @@ fn build_display_values(
     spatial_force: Option<HudSpatialForce>,
 ) -> Option<Vec<i32>> {
     let summary = values.iter().copied().sum::<i32>();
+    #[cfg(feature = "debug")]
+    {
+        let g1 = raw_to_g1(summary as u32);
+        println!("raw_to_g1 map: {g1}");
+    }
     chart_state.record_spatial_force(spatial_force);
 
     match ad_to_x(summary as f64) {
@@ -380,11 +388,12 @@ fn build_display_values(
 
 const MIN_DISPLAY_FORCE: f64 = 0.1;
 const MAX_DISPLAY_FORCE: f64 = 25.6;
+const QUADRATIC_A: f64 = -375.2;
+const QUADRATIC_B: f64 = 25880.0;
+const QUADRATIC_C: f64 = 52150.0;
 
 fn ad_to_x(ad: f64) -> Option<f64> {
     const CUBIC_LIMIT: f64 = 6.57;
-    const QUADRATIC_A: f64 = -377.8;
-    const QUADRATIC_B: f64 = 26040.0;
     const EPSILON: f64 = 0.000_001;
 
     let cubic_min = ad_from_cubic_x(0.0);
@@ -429,7 +438,7 @@ fn ad_from_cubic_x(x: f64) -> f64 {
 }
 
 fn ad_from_quadratic_x(x: f64) -> f64 {
-    -377.8 * x.powi(2) + 26040.0 * x + 51120.0
+    QUADRATIC_A * x.powi(2) + QUADRATIC_B * x + QUADRATIC_C
 }
 
 #[cfg(feature = "devkit")]
@@ -484,14 +493,15 @@ fn infer_matrix_shape(len: usize) -> (u32, u32) {
     (best.0 as u32, best.1 as u32)
 }
 
-#[cfg(feature = "devkit")]
+#[cfg(feature = "debug")]
+#[allow(dead_code)]
 fn raw_to_g1(raw: u32) -> f64 {
     const X: [u32; 12] = [
-        0, 84402, 117218, 140176, 159126, 175812, 191484, 208758, 224703, 252448, 302361, 352703,
+        0, 20829, 102371, 132956, 165568, 182033, 217263, 263098, 283747, 365120, 410556, 477190
     ];
 
     const Y: [f64; 12] = [
-        0.0, 160.0, 260.0, 360.0, 460.0, 560.0, 660.0, 760.0, 860.0, 1060.0, 1560.0, 2060.0,
+        0.0, 57.0, 257.0, 357.0, 457.0, 557.0, 657.0, 857.0, 1057.0, 1557.0, 2057.0, 2557.0
     ];
 
     let n = X.len();