From e995c0ad66e649b7d4c9254b9427b846ddaaf3ca Mon Sep 17 00:00:00 2001
From: Leonard Gies <l.gies@fasttube.de>
Date: Thu, 26 Jun 2025 18:00:10 +0200
Subject: [PATCH] add demo mode

---
 Core/Inc/config.h                                    |  1 +
 Core/Src/vehicle.c                                   | 12 ++++++++++++
 TouchGFX/gui/src/common/FrontendApplication.cpp      |  5 +++++
 .../src/missionselect_screen/MissionSelectView.cpp   |  7 +++++++
 4 files changed, 25 insertions(+)
 create mode 100644 Core/Inc/config.h

diff --git a/Core/Inc/config.h b/Core/Inc/config.h
new file mode 100644
index 0000000..3afc750
--- /dev/null
+++ b/Core/Inc/config.h
@@ -0,0 +1 @@
+// #define DEMO_MODE
diff --git a/Core/Src/vehicle.c b/Core/Src/vehicle.c
index 3cd351d..c0e2e20 100644
--- a/Core/Src/vehicle.c
+++ b/Core/Src/vehicle.c
@@ -1,6 +1,7 @@
 #include "vehicle.h"
 
 #include "can-halal.h"
+#include "config.h"
 #include "main.h"
 #include "stm32h7xx.h"
 #include "stm32h7xx_hal.h"
@@ -78,6 +79,17 @@ void vehicle_thread_entry(ULONG hfdcan_addr) {
 
   while (1) {
     tx_thread_sleep(10);
+
+#ifdef DEMO_MODE
+    double tick = HAL_GetTick();
+
+    vehicle_state.speed =
+        (sin(tick * 0.001) * 8 + 10 + cos(tick * 0.003) * 8) * 4;
+    if (vehicle_state.speed <= 0) {
+      vehicle_state.speed = 0;
+    }
+    tx_event_flags_set(&gui_update_events, GUI_UPDATE_VEHICLE_STATE, TX_OR);
+#endif
   }
 }
 
diff --git a/TouchGFX/gui/src/common/FrontendApplication.cpp b/TouchGFX/gui/src/common/FrontendApplication.cpp
index 46e1ea1..30f70a3 100644
--- a/TouchGFX/gui/src/common/FrontendApplication.cpp
+++ b/TouchGFX/gui/src/common/FrontendApplication.cpp
@@ -2,6 +2,8 @@
 
 #include "gui/common/NamedField.hpp"
 
+#include "../../Core/Inc/config.h"
+
 FrontendApplication::FrontendApplication(Model &m, FrontendHeap &heap)
     : FrontendApplicationBase(m, heap), canChangeFromMissionSelect(false) {
   namedFieldSort();
@@ -14,5 +16,8 @@ void FrontendApplication::setCanChangeFromMissionSelect(
 
 // controls if next screen button works on mission select screen
 bool FrontendApplication::getCanChangeFromMissionSelect() const {
+  #ifdef DEMO_MODE
+  return true;
+  #endif
   return canChangeFromMissionSelect;
 }
diff --git a/TouchGFX/gui/src/missionselect_screen/MissionSelectView.cpp b/TouchGFX/gui/src/missionselect_screen/MissionSelectView.cpp
index 0ba26f7..d81326e 100644
--- a/TouchGFX/gui/src/missionselect_screen/MissionSelectView.cpp
+++ b/TouchGFX/gui/src/missionselect_screen/MissionSelectView.cpp
@@ -2,6 +2,7 @@
 #include "texts/TextKeysAndLanguages.hpp"
 #include <gui/missionselect_screen/MissionSelectView.hpp>
 
+#include "config.h"
 #include "stw_defines.h"
 #include "vehicle.h"
 #include "vehicle_state.h"
@@ -54,6 +55,12 @@ void MissionSelectView::confirmMission() {
     return;
   }
   vehicle_select_mission(selectedMission);
+
+  #ifdef DEMO_MODE
+  vehicle_state.active_mission = selectedMission;
+  presenter->vehicleStateUpdated();
+  #endif
+
   #ifdef SIMULATOR
   vehicle_state.active_mission = selectedMission;
   #endif