Pytes: Implement CAN message 0x360

This one-byte message is set to 0xff to request charging below a certain SoC threshold (10% in my tests).
hoylabs · Oct 10, 2024 · 4ba55b7 · 4ba55b7
1 parent bac4894
commit 4ba55b7
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Showing 4 changed files with 17 additions and 0 deletions.
diff --git a/include/BatteryStats.h b/include/BatteryStats.h
@@ -183,6 +183,7 @@ class PytesBatteryStats : public BatteryStats {
     public:
         void getLiveViewData(JsonVariant& root) const final;
         void mqttPublish() const final;
+        bool getImmediateChargingRequest() const { return _chargeImmediately; };
         float getChargeCurrentLimitation() const { return _chargeCurrentLimit; };
 
     private:
@@ -247,6 +248,8 @@ class PytesBatteryStats : public BatteryStats {
         bool _warningHighTemperatureCharge;
         bool _warningInternalFailure;
         bool _warningCellImbalance;
+
+        bool _chargeImmediately;
 };
 
 class JkBmsBatteryStats : public BatteryStats {

diff --git a/src/BatteryStats.cpp b/src/BatteryStats.cpp
@@ -201,6 +201,7 @@ void PytesBatteryStats::getLiveViewData(JsonVariant& root) const
     if (_dischargedEnergy != -1) {
         addLiveViewValue(root, "dischargedEnergy", _dischargedEnergy, "kWh", 1);
     }
+    addLiveViewTextValue(root, "chargeImmediately", (_chargeImmediately?"yes":"no"));
 
     addLiveViewInSection(root, "cells", "cellMinVoltage", static_cast<float>(_cellMinMilliVolt)/1000, "V", 3);
     addLiveViewInSection(root, "cells", "cellMaxVoltage", static_cast<float>(_cellMaxMilliVolt)/1000, "V", 3);
@@ -482,6 +483,8 @@ void PytesBatteryStats::mqttPublish() const
     MqttSettings.publish("battery/warning/highTemperatureCharge", String(_warningHighTemperatureCharge));
     MqttSettings.publish("battery/warning/bmsInternal", String(_warningInternalFailure));
     MqttSettings.publish("battery/warning/cellImbalance", String(_warningCellImbalance));
+
+    MqttSettings.publish("battery/charging/chargeImmediately", String(_chargeImmediately));
 }
 
 void JkBmsBatteryStats::mqttPublish() const

diff --git a/src/MqttHandleBatteryHass.cpp b/src/MqttHandleBatteryHass.cpp
@@ -182,6 +182,8 @@ void MqttHandleBatteryHassClass::loop()
             publishBinarySensor("Warning Temperature high (charge)", "mdi:thermometer-high", "warning/highTemperatureCharge", "1", "0");
             publishBinarySensor("Warning BMS internal", "mdi:alert-outline", "warning/bmsInternal", "1", "0");
             publishBinarySensor("Warning Cell Imbalance", "mdi:alert-outline", "warning/cellImbalance", "1", "0");
+
+            publishBinarySensor("Charge immediately", "mdi:alert", "charging/chargeImmediately", "1", "0");
             break;
 
         case 5: // SBS Unipower

diff --git a/src/PytesCanReceiver.cpp b/src/PytesCanReceiver.cpp
@@ -145,6 +145,15 @@ void PytesCanReceiver::onMessage(twai_message_t rx_message)
             break;
         }
 
+        case 0x360: { // Charging request
+            _stats->_chargeImmediately = rx_message.data[0]; // 0xff requests charging.
+            if (_verboseLogging) {
+                MessageOutput.printf("[Pytes] chargeImmediately: %d\r\n",
+                        _stats->_chargeImmediately);
+            }
+            break;
+        }
+
         case 0x372: { // BankInfo
             _stats->_moduleCountOnline = this->readUnsignedInt16(rx_message.data);
             _stats->_moduleCountBlockingCharge = this->readUnsignedInt16(rx_message.data + 2);