From 41afd0f89a05a9a36431fe5b4704053f1468ee03 Mon Sep 17 00:00:00 2001
From: FrogAi <91348155+FrogAi@users.noreply.github.com>
Date: Sat, 11 May 2024 14:37:55 -0700
Subject: [PATCH] Visuals - Developer UI - Use International System of Units

Display relevant metrics in the SI format.
---
 selfdrive/ui/qt/onroad.cc | 6 +++---
 selfdrive/ui/ui.cc        | 1 +
 selfdrive/ui/ui.h         | 1 +
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/selfdrive/ui/qt/onroad.cc b/selfdrive/ui/qt/onroad.cc
index c521a67..45d6bb1 100644
--- a/selfdrive/ui/qt/onroad.cc
+++ b/selfdrive/ui/qt/onroad.cc
@@ -1314,14 +1314,14 @@ void AnnotatedCameraWidget::initializeFrogPilotWidgets() {
 }
 
 void AnnotatedCameraWidget::updateFrogPilotWidgets() {
-  if (is_metric) {
+  if (is_metric || scene.use_si) {
     accelerationUnit = tr(" m/s²");
     leadDistanceUnit = tr(mapOpen ? "m" : "meters");
-    leadSpeedUnit = tr("kph");
+    leadSpeedUnit = scene.use_si ? tr("m/s") : tr("kph");
 
     accelerationConversion = 1.0f;
     distanceConversion = 1.0f;
-    speedConversion = MS_TO_KPH;
+    speedConversion = scene.use_si ? 1.0f : MS_TO_KPH;
   } else {
     accelerationUnit = tr(" ft/s²");
     leadDistanceUnit = tr(mapOpen ? "ft" : "feet");
diff --git a/selfdrive/ui/ui.cc b/selfdrive/ui/ui.cc
index 9d0fc70..d25755f 100644
--- a/selfdrive/ui/ui.cc
+++ b/selfdrive/ui/ui.cc
@@ -354,6 +354,7 @@ void ui_update_frogpilot_params(UIState *s) {
   scene.is_memory = scene.sidebar_metrics && params.getBool("ShowMemoryUsage");
   scene.is_storage_left = scene.sidebar_metrics && params.getBool("ShowStorageLeft");
   scene.is_storage_used = scene.sidebar_metrics && params.getBool("ShowStorageUsed");
+  scene.use_si = developer_ui && params.getBool("UseSI");
 
   scene.disable_smoothing_mtsc = params.getBool("MTSCEnabled") && params.getBool("DisableMTSCSmoothing");
   scene.disable_smoothing_vtsc = params.getBool("VisionTurnControl") && params.getBool("DisableVTSCSmoothing");
diff --git a/selfdrive/ui/ui.h b/selfdrive/ui/ui.h
index 4d66573..e7fe0f2 100644
--- a/selfdrive/ui/ui.h
+++ b/selfdrive/ui/ui.h
@@ -247,6 +247,7 @@ typedef struct UIScene {
   bool turn_signal_left;
   bool turn_signal_right;
   bool use_kaofui_icons;
+  bool use_si;
   bool use_vienna_slc_sign;
   bool vtsc_controlling_curve;