feat(core): disable animations in debug firmware by default

This makes it possible to run HW tests on the T3T1 where animations mess
things up. It also speeds up HW tests on other models slightly.

export TREZOR_DISABLE_ANIMATION=0 to build a debug firmware with
animations enabled

core/Makefile

@@ -41,6 +41,7 @@ THP ?= 0
 BENCHMARK ?= 0
 TREZOR_EMULATOR_DEBUGGABLE ?= 0
 QUIET_MODE ?= 0
+TREZOR_DISABLE_ANIMATION ?= $(if $(filter 0,$(PYOPT)),1,0)
 
 # OpenOCD interface default. Alternative: ftdi/olimex-arm-usb-tiny-h
 OPENOCD_INTERFACE ?= stlink
@@ -143,6 +144,7 @@ SCONS_VARS = \
 	PYOPT="$(PYOPT)" \
 	QUIET_MODE="$(QUIET_MODE)" \
 	THP="$(THP)" \
+	TREZOR_DISABLE_ANIMATION="$(TREZOR_DISABLE_ANIMATION)" \
 	TREZOR_EMULATOR_ASAN="$(ADDRESS_SANITIZER)" \
 	TREZOR_EMULATOR_DEBUGGABLE=$(TREZOR_EMULATOR_DEBUGGABLE) \
 	TREZOR_MEMPERF="$(TREZOR_MEMPERF)" \

core/SConscript.firmware

@@ -18,6 +18,7 @@ HW_REVISION = ARGUMENTS.get('HW_REVISION', None)
 THP = ARGUMENTS.get('THP', '0') == '1' # Trezor-Host Protocol
 MODEL_IDENTIFIER = models.get_model_identifier(TREZOR_MODEL)
 BENCHMARK = ARGUMENTS.get('BENCHMARK', '0') == '1'
+DISABLE_ANIMATION = ARGUMENTS.get('TREZOR_DISABLE_ANIMATION', '0') == '1'
 
 if BENCHMARK and PYOPT != '0':
   print("BENCHMARK=1 works only with PYOPT=0.")
@@ -69,6 +70,7 @@ CPPDEFINES_MOD += [
     ('USE_CARDANO', '1' if EVERYTHING else '0'),
     ('USE_NEM', '1' if (EVERYTHING and TREZOR_MODEL == "T") else '0'),
     ('USE_EOS', '1' if (EVERYTHING and TREZOR_MODEL == "T") else '0'),
+    ('DISABLE_ANIMATION', '1' if DISABLE_ANIMATION else '0'),
 ]
 SOURCE_MOD += [
     'embed/upymod/trezorobj.c',

core/embed/upymod/modtrezorutils/modtrezorutils.c

@@ -410,6 +410,9 @@ STATIC mp_obj_tuple_t mod_trezorutils_version_obj = {
 /// """UI layout identifier ("tt" for model T, "tr" for models One and R)."""
 /// USE_THP: bool
 /// """Whether the firmware supports Trezor-Host Protocol (version 2)."""
+/// if __debug__:
+///     DISABLE_ANIMATION: bool
+///     """Whether the firmware should disable animations."""
 
 STATIC const mp_rom_map_elem_t mp_module_trezorutils_globals_table[] = {
     {MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_trezorutils)},
@@ -502,6 +505,13 @@ STATIC const mp_rom_map_elem_t mp_module_trezorutils_globals_table[] = {
 #else
 #error Unknown layout
 #endif
+#if !PYOPT
+#if DISABLE_ANIMATION
+    {MP_ROM_QSTR(MP_QSTR_DISABLE_ANIMATION), mp_const_true},
+#else
+    {MP_ROM_QSTR(MP_QSTR_DISABLE_ANIMATION), mp_const_false},
+#endif  // TREZOR_DISABLE_ANIMATION
+#endif  // PYOPT
 };
 
 STATIC MP_DEFINE_CONST_DICT(mp_module_trezorutils_globals,

core/mocks/generated/trezorutils.pyi

@@ -152,3 +152,6 @@ UI_LAYOUT: str
 """UI layout identifier ("tt" for model T, "tr" for models One and R)."""
 USE_THP: bool
 """Whether the firmware supports Trezor-Host Protocol (version 2)."""
+if __debug__:
+    DISABLE_ANIMATION: bool
+    """Whether the firmware should disable animations."""

core/src/trezor/ui/__init__.py

@@ -24,7 +24,7 @@ else:
 
 
 if __debug__:
-    trezorui2.disable_animation(bool(utils.DISABLE_ANIMATION))
+    trezorui2.disable_animation(utils.DISABLE_ANIMATION)
 
 
 # all rendering is done through a singleton of `Display`

core/src/trezor/utils.py

@@ -33,17 +33,20 @@ from trezorutils import (  # noqa: F401
 )
 from typing import TYPE_CHECKING
 
-DISABLE_ANIMATION = 0
-
 if __debug__:
     if EMULATOR:
         import uos
 
-        DISABLE_ANIMATION = int(uos.getenv("TREZOR_DISABLE_ANIMATION") or "0")
-        LOG_MEMORY = int(uos.getenv("TREZOR_LOG_MEMORY") or "0")
+        DISABLE_ANIMATION = uos.getenv("TREZOR_DISABLE_ANIMATION") == "1"
+        LOG_MEMORY = uos.getenv("TREZOR_LOG_MEMORY") == "1"
     else:
+        from trezorutils import DISABLE_ANIMATION  # noqa: F401
+
         LOG_MEMORY = 0
 
+else:
+    DISABLE_ANIMATION = False
+
 if TYPE_CHECKING:
     from typing import Any, Iterator, Protocol, Sequence, TypeVar