ThingSet: Add xPresetLTO function and always return 1 on success

app/src/data_objects.c

@@ -188,6 +188,11 @@ THINGSET_ADD_FN_INT32(APP_ID_CONF, APP_ID_CONF_PRESET_LFP, "xPresetLFP", &bat_pr
 THINGSET_ADD_ITEM_FLOAT(APP_ID_CONF_PRESET_LFP, APP_ID_CONF_PRESET_LFP_CAPACITY, "fCapacity_Ah",
                         &new_capacity, 1, THINGSET_ANY_RW, 0);
 
+THINGSET_ADD_FN_INT32(APP_ID_CONF, APP_ID_CONF_PRESET_LTO, "xPresetLTO", &bat_preset_lto,
+                      THINGSET_ANY_RW);
+THINGSET_ADD_ITEM_FLOAT(APP_ID_CONF_PRESET_LTO, APP_ID_CONF_PRESET_LTO_CAPACITY, "fCapacity_Ah",
+                        &new_capacity, 1, THINGSET_ANY_RW, 0);
+
 // MEAS DATA ////////////////////////////////////////////////////////////
 
 THINGSET_ADD_GROUP(TS_ID_ROOT, APP_ID_MEAS, "Meas", THINGSET_NO_CALLBACK);
@@ -280,7 +285,9 @@ int32_t bat_preset(enum bms_cell_type type)
     }
 #endif
 
-    return ret;
+    // Always return 1 in case of success, as the flags returned by bms_ic_configure can be
+    // confusing for end users in the App. Actually applied config can be retrieved via ThingSet.
+    return ret > 0 ? 1 : ret;
 }
 
 int32_t bat_preset_nmc()
@@ -293,6 +300,11 @@ int32_t bat_preset_lfp()
     return bat_preset(CELL_TYPE_LFP);
 }
 
+int32_t bat_preset_lto()
+{
+    return bat_preset(CELL_TYPE_LTO);
+}
+
 void print_registers()
 {
     bms_ic_debug_print_mem(bms.ic_dev);

app/src/data_objects.h

@@ -62,6 +62,8 @@
 #define APP_ID_CONF_PRESET_NMC_CAPACITY     0xA1
 #define APP_ID_CONF_PRESET_LFP              0xA2
 #define APP_ID_CONF_PRESET_LFP_CAPACITY     0xA3
+#define APP_ID_CONF_PRESET_LTO              0xA4
+#define APP_ID_CONF_PRESET_LTO_CAPACITY     0xA5
 #define APP_ID_CONF_OCV_POINTS              0xB0
 #define APP_ID_CONF_SOC_POINTS              0xB1
 
@@ -103,6 +105,11 @@ int32_t bat_preset_nmc();
  */
 int32_t bat_preset_lfp();
 
+/**
+ * Callback function to apply preset parameters for LTO type via ThingSet
+ */
+int32_t bat_preset_lto();
+
 /**
  * Callback to read and print common BMS registers via ThingSet
  */