feat(EvManager): Reporting simulated SoC to PyEvJosev

Signed-off-by: Sebastian Lukas <sebastian.lukas@pionix.de>

Author: SebaLukas

dependencies.yaml

@@ -35,7 +35,7 @@ libcurl:
 # Josev
 Josev:
   git: https://github.com/EVerest/ext-switchev-iso15118.git
-  git_tag: ec48efc4034a5e52139f05b88ac1dcdd61583639
+  git_tag: 6099df7283a00cde3178401fb1655a533dc213ce
   cmake_condition: "EVEREST_ENABLE_PY_SUPPORT AND EVEREST_DEPENDENCY_ENABLED_JOSEV"
 # linux_libnfc-nci for RFID
 libnfc-nci:

interfaces/ISO15118_ev.yaml

@@ -44,6 +44,13 @@ cmds:
         $ref: /iso15118#/DcEvBPTParameters
   enable_sae_j2847_v2g_v2h:
     description: Enable the SAE J2847 2 V2H V2G
+  update_soc:
+    description: Updating the EV SoC state
+    arguments:
+      SoC:
+        description: The actual State of Charge from the EV
+        type: number
+        minimum: 0
 vars:
   v2g_session_finished:
     description: The v2g session between the charger and the car is finished

modules/EV/EvManager/main/car_simulation.cpp

@@ -138,10 +138,20 @@ void CarSimulation::simulate_soc() {
         sim_data.battery_charge_wh += power * factor;
     }
 
-    ev_info.soc = (sim_data.battery_charge_wh / sim_data.battery_capacity_wh) * 100.0;
-    if (ev_info.soc > 100.0) {
-        ev_info.soc = 100.0;
+    auto soc = (sim_data.battery_charge_wh / sim_data.battery_capacity_wh) * 100.0;
+
+    if (soc > 100.0) {
+        soc = 100.0;
+    } else if (soc <= 0.0) {
+        soc = 0.0;
+    }
+
+    if (latest_soc != soc) {
+        latest_soc = soc;
+        r_ev[0]->call_update_soc(soc);
     }
+
+    ev_info.soc = soc;
     ev_info.battery_capacity = sim_data.battery_capacity_wh;
     ev_info.battery_full_soc = 100;
 

modules/EV/EvManager/main/car_simulation.hpp

@@ -132,6 +132,8 @@ class CarSimulation {
     std::chrono::time_point<std::chrono::steady_clock> timepoint_last_update;
     double charge_current_a{0};
 
+    double latest_soc{0};
+
     enum class ChargeMode {
         None,
         AC,

modules/EV/PyEvJosev/module.py

@@ -4,6 +4,7 @@
 import sys
 from pathlib import Path
 import threading
+import math
 
 from everest.framework import Module, RuntimeSession, log
 
@@ -138,5 +139,8 @@ def _handler_set_bpt_dc_params(self, args):
     def _handler_enable_sae_j2847_v2g_v2h(self, args):
         self._es.SAEJ2847_V2H_V2G_Active = True
 
+    def _handler_update_soc(self, args):
+        self._es.actual_soc = math.floor(args['SoC'])
+
 py_ev_josev = PyEVJosevModule()
 py_ev_josev.start_evcc_handler()