feat(core): make brightness an u8

[no changelog]

core/embed/rust/src/ui/display/mod.rs

@@ -49,44 +49,44 @@ use crate::trezorhal::{
 };
 use crate::ui::constant::WIDTH;
 
-pub fn backlight() -> u16 {
-    display::backlight(-1) as u16
+pub fn backlight() -> u8 {
+    display::backlight(-1) as u8
 }
 
 #[cfg(feature = "backlight")]
-pub fn set_backlight(val: u16) {
+pub fn set_backlight(val: u8) {
     display::backlight(val as i32);
 }
 
 #[cfg(feature = "backlight")]
-pub fn fade_backlight(target: u16) {
+pub fn fade_backlight(target: u8) {
     const FADE_DURATION_MS: u32 = 50;
     fade_backlight_duration(target, FADE_DURATION_MS);
 }
 
 #[cfg(feature = "backlight")]
-pub fn fade_backlight_duration(target: u16, duration_ms: u32) {
+pub fn fade_backlight_duration(target: u8, duration_ms: u32) {
     let target = target as i32;
     let duration_ms = duration_ms as i32;
     let current = backlight() as i32;
 
     for i in 0..duration_ms {
         let val = i32::lerp(current, target, i as f32 / duration_ms as f32);
-        set_backlight(val as u16);
+        set_backlight(val as u8);
         time::sleep(Duration::from_millis(1));
     }
     //account for imprecise rounding
-    set_backlight(target as u16);
+    set_backlight(target as u8);
 }
 
 #[cfg(not(feature = "backlight"))]
-pub fn set_backlight(_: u16) {}
+pub fn set_backlight(_: u8) {}
 
 #[cfg(not(feature = "backlight"))]
-pub fn fade_backlight(_: u16) {}
+pub fn fade_backlight(_: u8) {}
 
 #[cfg(not(feature = "backlight"))]
-pub fn fade_backlight_duration(_: u16, _: u32) {}
+pub fn fade_backlight_duration(_: u8, _: u32) {}
 
 #[cfg(not(feature = "framebuffer"))]
 /// Fill a whole rectangle with a specific color.

core/embed/rust/src/ui/model_mercury/flow/set_brightness.rs

@@ -1,4 +1,4 @@
-use core::sync::atomic::{AtomicU16, Ordering};
+use core::sync::atomic::{AtomicU8, Ordering};
 
 use crate::{
     error::Error,
@@ -63,7 +63,7 @@ impl FlowState for SetBrightness {
     }
 }
 
-static BRIGHTNESS: AtomicU16 = AtomicU16::new(0);
+static BRIGHTNESS: AtomicU8 = AtomicU8::new(0);
 
 #[allow(clippy::not_unsafe_ptr_arg_deref)]
 pub extern "C" fn new_set_brightness(n_args: usize, args: *const Obj, kwargs: *mut Map) -> Obj {
@@ -72,13 +72,13 @@ pub extern "C" fn new_set_brightness(n_args: usize, args: *const Obj, kwargs: *m
 
 impl SetBrightness {
     fn new_obj(_args: &[Obj], kwargs: &Map) -> Result<Obj, Error> {
-        let current: Option<u16> = kwargs.get(Qstr::MP_QSTR_current)?.try_into_option()?;
+        let current: Option<u8> = kwargs.get(Qstr::MP_QSTR_current)?.try_into_option()?;
         let content_slider = Frame::left_aligned(
             TR::brightness__title.into(),
             NumberInputSliderDialog::new(
-                theme::backlight::get_backlight_min(),
-                theme::backlight::get_backlight_max(),
-                current.unwrap_or(theme::backlight::get_backlight_normal()),
+                theme::backlight::get_backlight_min() as u16,
+                theme::backlight::get_backlight_max() as u16,
+                current.unwrap_or(theme::backlight::get_backlight_normal()) as u16,
             ),
         )
         .with_subtitle(TR::homescreen__settings_subtitle.into())
@@ -87,7 +87,7 @@ impl SetBrightness {
         .map(|msg| match msg {
             FrameMsg::Content(NumberInputSliderDialogMsg::Changed(n)) => {
                 display::backlight(n as _);
-                BRIGHTNESS.store(n, Ordering::Relaxed);
+                BRIGHTNESS.store(n as u8, Ordering::Relaxed);
                 None
             }
             FrameMsg::Button(_) => Some(FlowMsg::Info),
@@ -114,7 +114,7 @@ impl SetBrightness {
         .with_swipe(SwipeDirection::Left, SwipeSettings::default())
         .map(move |msg| match msg {
             FrameMsg::Content(()) => {
-                let _ = storage::set_brightness(BRIGHTNESS.load(Ordering::Relaxed) as u8);
+                let _ = storage::set_brightness(BRIGHTNESS.load(Ordering::Relaxed));
                 Some(FlowMsg::Confirmed)
             }
             FrameMsg::Button(_) => Some(FlowMsg::Info),

core/embed/rust/src/ui/model_mercury/mod.rs

@@ -33,27 +33,27 @@ impl UIFeaturesCommon for ModelMercuryFeatures {
     }
 
     #[cfg(feature = "backlight")]
-    fn get_backlight_none() -> u16 {
+    fn get_backlight_none() -> u8 {
         backlight::get_backlight_none()
     }
 
     #[cfg(feature = "backlight")]
-    fn get_backlight_normal() -> u16 {
+    fn get_backlight_normal() -> u8 {
         backlight::get_backlight_normal()
     }
 
     #[cfg(feature = "backlight")]
-    fn get_backlight_low() -> u16 {
+    fn get_backlight_low() -> u8 {
         backlight::get_backlight_low()
     }
 
     #[cfg(feature = "backlight")]
-    fn get_backlight_dim() -> u16 {
+    fn get_backlight_dim() -> u8 {
         backlight::get_backlight_dim()
     }
 
     #[cfg(feature = "backlight")]
-    fn get_backlight_max() -> u16 {
+    fn get_backlight_max() -> u8 {
         backlight::get_backlight_max()
     }
 

core/embed/rust/src/ui/model_mercury/theme/backlight.rs

@@ -10,43 +10,41 @@ const BACKLIGHT_MIN: u8 = 10;
 const BACKLIGHT_MAX: u8 = 255;
 
 #[cfg(feature = "bootloader")]
-pub fn get_backlight_normal() -> u16 {
-    BACKLIGHT_NORMAL.into()
+pub fn get_backlight_normal() -> u8 {
+    BACKLIGHT_NORMAL
 }
 
 #[cfg(not(feature = "bootloader"))]
-pub fn get_backlight_normal() -> u16 {
+pub fn get_backlight_normal() -> u8 {
     storage::get_brightness()
         .unwrap_or(BACKLIGHT_NORMAL)
         .clamp(BACKLIGHT_MIN, BACKLIGHT_MAX)
-        .into()
 }
 
 #[cfg(feature = "bootloader")]
-pub fn get_backlight_low() -> u16 {
-    BACKLIGHT_LOW.into()
+pub fn get_backlight_low() -> u8 {
+    BACKLIGHT_LOW
 }
 
 #[cfg(not(feature = "bootloader"))]
-pub fn get_backlight_low() -> u16 {
+pub fn get_backlight_low() -> u8 {
     storage::get_brightness()
         .unwrap_or(BACKLIGHT_LOW)
         .clamp(BACKLIGHT_MIN, BACKLIGHT_LOW)
-        .into()
 }
 
-pub fn get_backlight_dim() -> u16 {
-    BACKLIGHT_DIM.into()
+pub fn get_backlight_dim() -> u8 {
+    BACKLIGHT_DIM
 }
 
-pub fn get_backlight_none() -> u16 {
-    BACKLIGHT_NONE.into()
+pub fn get_backlight_none() -> u8 {
+    BACKLIGHT_NONE
 }
 
-pub fn get_backlight_max() -> u16 {
-    BACKLIGHT_MAX.into()
+pub fn get_backlight_max() -> u8 {
+    BACKLIGHT_MAX
 }
 
-pub fn get_backlight_min() -> u16 {
-    BACKLIGHT_MIN.into()
+pub fn get_backlight_min() -> u8 {
+    BACKLIGHT_MIN
 }

core/embed/rust/src/ui/model_tt/component/page.rs

@@ -43,7 +43,7 @@ pub struct ButtonPage<T> {
     /// Whether to pass-through right swipe to parent component.
     swipe_right: bool,
     /// Fade to given backlight level on next paint().
-    fade: Cell<Option<u16>>,
+    fade: Cell<Option<u8>>,
 }
 
 impl<T> ButtonPage<T>

core/embed/rust/src/ui/model_tt/component/set_brightness.rs

@@ -17,12 +17,12 @@ use super::{
 pub struct SetBrightnessDialog(NumberInputSliderDialog);
 
 impl SetBrightnessDialog {
-    pub fn new(current: Option<u16>) -> Self {
+    pub fn new(current: Option<u8>) -> Self {
         let current = current.unwrap_or(theme::backlight::get_backlight_normal());
         Self(NumberInputSliderDialog::new(
-            theme::backlight::get_backlight_min(),
-            theme::backlight::get_backlight_max(),
-            current,
+            theme::backlight::get_backlight_min() as u16,
+            theme::backlight::get_backlight_max() as u16,
+            current as u16,
         ))
     }
 }

core/embed/rust/src/ui/model_tt/component/simple_page.rs

@@ -18,7 +18,7 @@ pub struct SimplePage<T> {
     scrollbar: ScrollBar,
     axis: Axis,
     swipe_right_to_go_back: bool,
-    fade: Cell<Option<u16>>,
+    fade: Cell<Option<u8>>,
 }
 
 impl<T> SimplePage<T>

core/embed/rust/src/ui/model_tt/component/swipe.rs

@@ -20,8 +20,8 @@ pub struct Swipe {
     pub allow_down: bool,
     pub allow_left: bool,
     pub allow_right: bool,
-    backlight_start: u16,
-    backlight_end: u16,
+    backlight_start: u8,
+    backlight_end: u8,
     origin: Option<Point>,
 }
 
@@ -82,7 +82,7 @@ impl Swipe {
         let start = self.backlight_start as f32;
         let end = self.backlight_end as f32;
         let value = start + ratio * (end - start);
-        display::set_backlight(value as u16);
+        display::set_backlight(value as u8);
     }
 }
 

core/embed/rust/src/ui/model_tt/layout.rs

@@ -1316,7 +1316,7 @@ extern "C" fn new_request_number(n_args: usize, args: *const Obj, kwargs: *mut M
 
 extern "C" fn new_set_brightness(n_args: usize, args: *const Obj, kwargs: *mut Map) -> Obj {
     let block = move |_args: &[Obj], kwargs: &Map| {
-        let current: Option<u16> = kwargs.get(Qstr::MP_QSTR_current)?.try_into_option()?;
+        let current: Option<u8> = kwargs.get(Qstr::MP_QSTR_current)?.try_into_option()?;
         let obj = LayoutObj::new(Frame::centered(
             theme::label_title(),
             TR::brightness__title.into(),

core/embed/rust/src/ui/model_tt/mod.rs

@@ -34,27 +34,27 @@ impl UIFeaturesCommon for ModelTTFeatures {
     }
 
     #[cfg(feature = "backlight")]
-    fn get_backlight_none() -> u16 {
+    fn get_backlight_none() -> u8 {
         backlight::get_backlight_none()
     }
 
     #[cfg(feature = "backlight")]
-    fn get_backlight_normal() -> u16 {
+    fn get_backlight_normal() -> u8 {
         backlight::get_backlight_normal()
     }
 
     #[cfg(feature = "backlight")]
-    fn get_backlight_low() -> u16 {
+    fn get_backlight_low() -> u8 {
         backlight::get_backlight_low()
     }
 
     #[cfg(feature = "backlight")]
-    fn get_backlight_dim() -> u16 {
+    fn get_backlight_dim() -> u8 {
         backlight::get_backlight_dim()
     }
 
     #[cfg(feature = "backlight")]
-    fn get_backlight_max() -> u16 {
+    fn get_backlight_max() -> u8 {
         backlight::get_backlight_max()
     }
 

core/embed/rust/src/ui/model_tt/theme/backlight.rs

@@ -10,43 +10,41 @@ const BACKLIGHT_MIN: u8 = 10;
 const BACKLIGHT_MAX: u8 = 255;
 
 #[cfg(feature = "bootloader")]
-pub fn get_backlight_normal() -> u16 {
-    BACKLIGHT_NORMAL.into()
+pub fn get_backlight_normal() -> u8 {
+    BACKLIGHT_NORMAL
 }
 
 #[cfg(not(feature = "bootloader"))]
-pub fn get_backlight_normal() -> u16 {
+pub fn get_backlight_normal() -> u8 {
     storage::get_brightness()
         .unwrap_or(BACKLIGHT_NORMAL)
         .clamp(BACKLIGHT_MIN, BACKLIGHT_MAX)
-        .into()
 }
 
 #[cfg(feature = "bootloader")]
-pub fn get_backlight_low() -> u16 {
-    BACKLIGHT_LOW.into()
+pub fn get_backlight_low() -> u8 {
+    BACKLIGHT_LOW
 }
 
 #[cfg(not(feature = "bootloader"))]
-pub fn get_backlight_low() -> u16 {
+pub fn get_backlight_low() -> u8 {
     storage::get_brightness()
         .unwrap_or(BACKLIGHT_LOW)
         .clamp(BACKLIGHT_MIN, BACKLIGHT_LOW)
-        .into()
 }
 
-pub fn get_backlight_dim() -> u16 {
-    BACKLIGHT_DIM.into()
+pub fn get_backlight_dim() -> u8 {
+    BACKLIGHT_DIM
 }
 
-pub fn get_backlight_none() -> u16 {
-    BACKLIGHT_NONE.into()
+pub fn get_backlight_none() -> u8 {
+    BACKLIGHT_NONE
 }
 
-pub fn get_backlight_max() -> u16 {
-    BACKLIGHT_MAX.into()
+pub fn get_backlight_max() -> u8 {
+    BACKLIGHT_MAX
 }
 
-pub fn get_backlight_min() -> u16 {
-    BACKLIGHT_MIN.into()
+pub fn get_backlight_min() -> u8 {
+    BACKLIGHT_MIN
 }

core/embed/rust/src/ui/ui_features.rs

@@ -11,19 +11,19 @@ pub trait UIFeaturesCommon {
     fn fadeout() {}
     fn backlight_on() {}
 
-    fn get_backlight_none() -> u16 {
+    fn get_backlight_none() -> u8 {
         0
     }
-    fn get_backlight_normal() -> u16 {
+    fn get_backlight_normal() -> u8 {
         0
     }
-    fn get_backlight_low() -> u16 {
+    fn get_backlight_low() -> u8 {
         0
     }
-    fn get_backlight_dim() -> u16 {
+    fn get_backlight_dim() -> u8 {
         0
     }
-    fn get_backlight_max() -> u16 {
+    fn get_backlight_max() -> u8 {
         0
     }