LV battery voltage

Core/Inc/vehicle_state.h

@@ -129,11 +129,16 @@ typedef struct {
   IniChkState ini_chk_state;
 
   unsigned lap_count;
+  float lap_last;
+  float lap_best;
+
   Temperatures temps;
 
   float min_cell_volt;
   float max_cell_temp;
   int soc_ts;
+
+  float lv_bat_voltage;
   int soc_lv;
 
   float ts_current;

Core/Src/vehicle.c

@@ -16,6 +16,7 @@
 #define CAN_ID_AMS_STATUS 0xA
 #define CAN_ID_AMS_ERROR 0xC
 #define CAN_ID_ABX_DRIVER 0x101
+#define CAN_ID_ABX_TIMINGS 0x102
 #define CAN_ID_ABX_BRAKE_T 0x105
 #define CAN_ID_CS_INTERNAL 0x108
 #define CAN_ID_ABX_MISC 0x109
@@ -32,6 +33,7 @@
 #define CAN_ABX_DRIVER_SPEED_FACTOR (0.2 * 3.6)
 #define CAN_CS_INTERNAL_TEMP_FACTOR 0.01
 #define CAN_ABX_MISC_DISTANCE_TOTAL_FACTOR 0.01
+#define CAN_ABX_MISC_LV_BAT_VOLTAGE_FACTOR (15.0f / 255)
 
 void vehicle_thread_entry(ULONG hfdcan_addr) {
   memset(&vehicle_state, 0, sizeof(vehicle_state));
@@ -40,6 +42,7 @@ void vehicle_thread_entry(ULONG hfdcan_addr) {
   ftcan_add_filter(CAN_ID_AMS_STATUS, 0x7FF);
   ftcan_add_filter(CAN_ID_AMS_ERROR, 0x7FF);
   ftcan_add_filter(CAN_ID_ABX_DRIVER, 0x7FF);
+  ftcan_add_filter(CAN_ID_ABX_TIMINGS, 0x7FF);
   ftcan_add_filter(CAN_ID_ABX_BRAKE_T, 0x7FF);
   ftcan_add_filter(CAN_ID_CS_INTERNAL, 0x7FF);
   ftcan_add_filter(CAN_ID_ABX_MISC, 0x7FF);
@@ -104,6 +107,10 @@ void ftcan_msg_received_cb(uint16_t id, size_t datalen, const uint8_t *data) {
     vehicle_state.brake_press_r = ((data[2] >> 4) | (data[3] << 4)) * 0.1;
     vehicle_state.speed = data[5] * CAN_ABX_DRIVER_SPEED_FACTOR;
     break;
+  case CAN_ID_ABX_TIMINGS:
+    vehicle_state.lap_best = (data[0] | (data[1] << 8)) * 0.01f;
+    vehicle_state.lap_last = (data[2] | (data[3] << 8)) * 0.01f;
+    break;
   case CAN_ID_ABX_BRAKE_T:
     vehicle_state.temps.brake_fl = (data[0] | (data[1] << 8)) * 0.01f;
     vehicle_state.temps.brake_fr = (data[2] | (data[3] << 8)) * 0.01f;
@@ -124,6 +131,7 @@ void ftcan_msg_received_cb(uint16_t id, size_t datalen, const uint8_t *data) {
     vehicle_state.distance_total =
         (data[3] | (data[4] << 8)) * CAN_ABX_MISC_DISTANCE_TOTAL_FACTOR;
     vehicle_state.soc_lv = data[5];
+    vehicle_state.lv_bat_voltage = data[6] * CAN_ABX_MISC_LV_BAT_VOLTAGE_FACTOR;
     break;
   case CAN_ID_AS_MISSION_FB:
     vehicle_state.active_mission = data[0] & 0b111;

TouchGFX/application.config

@@ -18,7 +18,7 @@
         "layout_rotation": "90"
       }
     },
-    "l8_compression": "LZW9"
+    "l8_compression": "no"
   },
   "text_configuration": {
     "remap": "yes",

TouchGFX/gui/include/gui/common/NamedField.hpp

@@ -16,7 +16,8 @@ CountedEnum(DataFieldType, size_t, DF_TSState, DF_ASState, DF_ActiveMission,
             DF_TSSoC, DF_LVSoC, DF_TSCurrent, DF_TSVoltageBat, DF_TSVoltageVeh,
             DF_Speed, DF_BBal, DF_BPF, DF_BPR, DF_DistanceTotal, DF_TempMotL,
             DF_TempMotR, DF_TempInvL, DF_TempInvR, DF_TempBrakeFL,
-            DF_TempBrakeFR, DF_TempBrakeRL, DF_TempBrakeRR);
+            DF_TempBrakeFR, DF_TempBrakeRL, DF_TempBrakeRR, DF_LapBest,
+            DF_LapLast, DF_LVBatVoltage);
 
 enum class NamedFieldKind { Float, Bool, Text, Int };
 

TouchGFX/gui/src/common/NamedField.cpp

@@ -294,6 +294,12 @@ NamedFieldDescription dataFieldDescs[] = {
                         VEH_FIELD(temps.brake_rl)},
     [DF_TempBrakeRR] = {NamedFieldKind::Float, "TBRR", 3, 0,
                         VEH_FIELD(temps.brake_rr)},
+    [DF_LapBest] = {NamedFieldKind::Float, "LAPBEST", 3, 1,
+                    VEH_FIELD(lap_best)},
+    [DF_LapLast] = {NamedFieldKind::Float, "LAPLAST", 3, 1,
+                    VEH_FIELD(lap_last)},
+    [DF_LVBatVoltage] = {NamedFieldKind::Float, "LVVBAT", 2, 2,
+                         VEH_FIELD(lv_bat_voltage)},
 };
 
 static_assert(sizeof(dataFieldDescs) / sizeof(dataFieldDescs[0]) ==

TouchGFX/gui/src/driverview_screen/DriverViewPresenter.cpp

@@ -11,7 +11,7 @@ constexpr int32_t SHOW_ERRORS_FOR = 10000; // ms
 #include "vehicle_state.h"
 
 DriverViewPresenter::DriverViewPresenter(DriverViewView &v)
-    : view(v), fields{DF_MinCellVolt, DF_Speed, DF_MaxCellTemp} {}
+    : view(v), fields{DF_LapLast, DF_Speed, DF_MaxCellTemp} {}
 
 void DriverViewPresenter::activate() {
   for (size_t i = 0; i < 3; i++) {

TouchGFX/gui/src/driverview_screen/DriverViewView.cpp

@@ -14,7 +14,7 @@
 #include "vehicle_state.h"
 
 DriverViewView::DriverViewView()
-    : fieldTypes{DF_MinCellVolt, DF_Speed, DF_TSCurrent} {}
+    : fieldTypes{DF_LapLast, DF_Speed, DF_MaxCellTemp} {}
 
 void DriverViewView::setupScreen() {
   DriverViewViewBase::setupScreen();