From f2bad894cdac88b94a358cebdb062f426b191d1b Mon Sep 17 00:00:00 2001
From: jacqueline <me@jacqueline.id.au>
Date: Tue, 3 Oct 2023 09:52:30 +1100
Subject: Show battery voltage in top bar

---
 src/ui/widget_top_bar.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'src/ui/widget_top_bar.cpp')

diff --git a/src/ui/widget_top_bar.cpp b/src/ui/widget_top_bar.cpp
index ba9ee5cb..93cd32a4 100644
--- a/src/ui/widget_top_bar.cpp
+++ b/src/ui/widget_top_bar.cpp
@@ -82,11 +82,13 @@ TopBar::TopBar(lv_obj_t* parent,
 
   bindings_.push_back(model.battery_state.onChangedAndNow(
       [=](const battery::Battery::BatteryState& state) {
+        std::ostringstream voltage;
+        voltage << (state.millivolts / 1000) << "."
+                << (state.millivolts / 100 % 10) << "V";
         if (state.is_charging) {
-          lv_label_set_text(charging, "+");
-        } else {
-          lv_label_set_text(charging, "");
+          voltage << "+";
         }
+        lv_label_set_text(charging, voltage.str().c_str());
 
         if (state.percent >= 95) {
           lv_img_set_src(battery, &kIconBatteryFull);
-- 
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