From 4e31a9e20a2e56938cccb76b5519a7f6b5b95856 Mon Sep 17 00:00:00 2001
From: tychovrahe <brunam@seznam.cz>
Date: Sun, 25 May 2025 18:33:27 +0200
Subject: [PATCH] fix(core/rust): make rust crate compilable without UI

[no changelog]
---
 core/embed/rust/src/trezorhal/ble/mod.rs       | 6 +++++-
 core/embed/rust/src/trezorhal/mod.rs           | 8 +++++++-
 core/embed/rust/src/trezorhal/power_manager.rs | 2 ++
 core/site_scons/tools.py                       | 1 -
 core/site_scons/ui/__init__.py                 | 1 +
 5 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/core/embed/rust/src/trezorhal/ble/mod.rs b/core/embed/rust/src/trezorhal/ble/mod.rs
index dc1c6c98d0..774c279d36 100644
--- a/core/embed/rust/src/trezorhal/ble/mod.rs
+++ b/core/embed/rust/src/trezorhal/ble/mod.rs
@@ -1,7 +1,10 @@
 #[cfg(feature = "micropython")]
 mod micropython;
 
-use crate::{error::Error, ui::event::BLEEvent};
+#[cfg(feature = "ui")]
+use crate::ui::event::BLEEvent;
+
+use crate::error::Error;
 use core::mem::size_of;
 
 use super::ffi;
@@ -23,6 +26,7 @@ fn prefix_utf8_bytes(text: &str, max_len: usize) -> &[u8] {
     &text.as_bytes()[..i]
 }
 
+#[cfg(feature = "ui")]
 pub fn ble_parse_event(event: ffi::ble_event_t) -> BLEEvent {
     match event.type_ {
         ffi::ble_event_type_t_BLE_CONNECTED => BLEEvent::Connected,
diff --git a/core/embed/rust/src/trezorhal/mod.rs b/core/embed/rust/src/trezorhal/mod.rs
index 03c5a9bfe9..f8549d0da6 100644
--- a/core/embed/rust/src/trezorhal/mod.rs
+++ b/core/embed/rust/src/trezorhal/mod.rs
@@ -18,7 +18,7 @@ pub mod button;
 #[cfg(feature = "touch")]
 pub mod touch;
 
-#[cfg(feature = "hw_jpeg_decoder")]
+#[cfg(all(feature = "ui", feature = "hw_jpeg_decoder"))]
 pub mod jpegdec;
 pub mod model;
 pub mod random;
@@ -44,3 +44,9 @@ pub mod power_manager;
 
 #[cfg(any(feature = "bootloader", feature = "prodtest"))]
 pub mod layout_buf;
+
+#[cfg(feature = "nrf")]
+pub mod irq;
+
+#[cfg(feature = "nrf")]
+pub mod nrf;
diff --git a/core/embed/rust/src/trezorhal/power_manager.rs b/core/embed/rust/src/trezorhal/power_manager.rs
index 49ded0effa..8b8b0b8145 100644
--- a/core/embed/rust/src/trezorhal/power_manager.rs
+++ b/core/embed/rust/src/trezorhal/power_manager.rs
@@ -1,5 +1,6 @@
 use super::ffi;
 
+#[cfg(feature = "ui")]
 use crate::ui::event::PMEvent;
 
 pub enum ChargingState {
@@ -8,6 +9,7 @@ pub enum ChargingState {
     Idle,
 }
 
+#[cfg(feature = "ui")]
 pub fn pm_parse_event(event: ffi::pm_event_t) -> PMEvent {
     let mut pm_event = PMEvent::default();
 
diff --git a/core/site_scons/tools.py b/core/site_scons/tools.py
index 529b5dad3f..d389c9d9d1 100644
--- a/core/site_scons/tools.py
+++ b/core/site_scons/tools.py
@@ -144,7 +144,6 @@ def add_rust_lib(*, env, build, profile, features, all_paths, build_dir):
     def cargo_build():
         lib_features = []
         lib_features.extend(features)
-        lib_features.append("ui")
 
         cargo_opts = [
             f"--target={RUST_TARGET}",
diff --git a/core/site_scons/ui/__init__.py b/core/site_scons/ui/__init__.py
index df76005695..2f31c975bd 100644
--- a/core/site_scons/ui/__init__.py
+++ b/core/site_scons/ui/__init__.py
@@ -28,6 +28,7 @@ def init_ui(
 ):
     conf = models.get_model_ui_conf(model)
     get_ui_module(model, stage).init_ui(stage, conf, rust_features)
+    rust_features.append("ui")
 
 
 def get_ui_layout(model: str):