loop für ve.direct

include/MqttVedirectPublishing.h

@@ -20,7 +20,6 @@ public:
     void loop();
 private:
     std::map<String, String> _kv_map;
-    VeDirectFrameHandler _myve;
     uint32_t _lastPublish;
 };
 

lib/VeDirectFrameHandler/VeDirectFrameHandler.cpp

@@ -41,6 +41,8 @@ char MODULE[] = "VE.Frame";	// Victron seems to use this to find out where loggi
 // The name of the record that contains the checksum.
 static constexpr char checksumTagName[] = "CHECKSUM";
 
+VeDirectFrameHandler VeDirect;
+
 VeDirectFrameHandler::VeDirectFrameHandler() :
 	//mStop(false),	// don't know what Victron uses this for, not using
 	veName(),
@@ -55,6 +57,25 @@ VeDirectFrameHandler::VeDirectFrameHandler() :
 {
 }
 
+void VeDirectFrameHandler::init()
+{
+    Serial2.begin(19200, SERIAL_8N1, VICTRON_PIN_RX, VICTRON_PIN_TX);
+    Serial2.flush();
+}
+
+void VeDirectFrameHandler::loop()
+{
+	unsigned long now = millis();
+
+	while ( Serial2.available()) {
+		if ((millis() - now) > 500) {
+			now = millis();
+			yield();
+		}
+		rxData(Serial2.read());
+	}
+}
+
 /*
  *	rxData
  *  This function is called by the application which passes a byte of serial data

lib/VeDirectFrameHandler/VeDirectFrameHandler.h

@@ -7,9 +7,7 @@
  * 2021.02.23 - 0.3 - change frameLen to 22 per VE.Direct Protocol version 3.30
  * 
  */
-
-#ifndef FRAMEHANDLER_H_
-#define FRAMEHANDLER_H_
+#pragma once
 
 #include <Arduino.h>
 
@@ -18,12 +16,21 @@ const byte nameLen = 9;                         // VE.Direct Protocol: max name
 const byte valueLen = 33;                       // VE.Direct Protocol: max value size is 33 including /0
 const byte buffLen = 40;                        // Maximum number of lines possible from the device. Current protocol shows this to be the BMV700 at 33 lines.
 
+#ifndef VICTRON_PIN_TX
+#define VICTRON_PIN_TX 21
+#endif
+
+#ifndef VICTRON_PIN_RX
+#define VICTRON_PIN_RX 22
+#endif
 
 class VeDirectFrameHandler {
 
 public:
+
     VeDirectFrameHandler();
-    void rxData(uint8_t inbyte);                // byte of serial data to be passed by the application
+    void init();
+    void loop();
 
     char veName[buffLen][nameLen] = { };        // public buffer for received names
     char veValue[buffLen][valueLen] = { };      // public buffer for received values
@@ -54,10 +61,12 @@ private:
     char tempName[frameLen][nameLen];           // private buffer for received names
     char tempValue[frameLen][valueLen];         // private buffer for received values
 
+    void rxData(uint8_t inbyte);                // byte of serial data to be passed by the application
     void textRxEvent(char *, char *);
     void frameEndEvent(bool);
     void logE(const char *, const char *);
     bool hexRxEvent(uint8_t);
 };
 
-#endif // FRAMEHANDLER_H_
+extern VeDirectFrameHandler VeDirect;
+

src/MqttVedirectPublishing.cpp

@@ -2,25 +2,24 @@
 /*
  * Copyright (C) 2022 Helge Erbe and others
  */
-#include "MqttVedirectPublishing.h"
 #include "VeDirectFrameHandler.h"
+#include "MqttVedirectPublishing.h"
 #include "MqttSettings.h"
 
 
 
+
 MqttVedirectPublishingClass MqttVedirectPublishing;
 
 void MqttVedirectPublishingClass::init()
 {
-    Serial2.begin(19200, SERIAL_8N1, VICTRON_PIN_RX, VICTRON_PIN_TX);
-    Serial2.flush();
 }
 
 void MqttVedirectPublishingClass::loop()
 {
     CONFIG_T& config = Configuration.get();
 
-    if (!MqttSettings.getConnected() && !config.Vedirect_Enabled) {
+    if (!MqttSettings.getConnected() || !config.Vedirect_Enabled) {
         return;
     }    
 
@@ -28,27 +27,12 @@ void MqttVedirectPublishingClass::loop()
         String key;
         String value;
         bool bChanged;
-        unsigned long now = millis();
-
-        while ( Serial2.available()) {
-            if ((millis() - now) > 100) {
-                now = millis();
-                yield();
-            }
-            _myve.rxData(Serial2.read());
-        }
-        yield();
 
         String topic = "";
-        for ( int i = 0; i < _myve.veEnd; i++ ) {
-            key = _myve.veName[i];
-            value = _myve.veValue[i];
+        for ( int i = 0; i < VeDirect.veEnd; i++ ) {
+            key = VeDirect.veName[i];
+            value = VeDirect.veValue[i];
             
-            // just for debug
-            Serial.print(key.c_str());
-            Serial.print("= ");
-            Serial.println(value.c_str()); 
-
             // Add new key, value pairs to map and update changed values.
             // Mark changed values
             auto a = _kv_map.find(key);

src/main.cpp

@@ -4,6 +4,7 @@
  */
 #include "Configuration.h"
 #include "Hoymiles.h"
+#include "VeDirectFrameHandler.h"
 #include "MqttHassPublishing.h"
 #include "MqttPublishing.h"
 #include "MqttVedirectPublishing.h"
@@ -98,6 +99,11 @@ void setup()
         }
     }
     Serial.println(F("done"));
+
+    // Initialize ve.direct communication
+    Serial.print(F("Initialize ve.direct interface... "));
+    VeDirect.init();
+    Serial.println(F("done"));
 }
 
 void loop()
@@ -106,10 +112,16 @@ void loop()
     yield();
     Hoymiles.loop();
     yield();
+    if (Configuration.get().Vedirect_Enabled) {
+        VeDirect.loop();
+        yield();
+    }
     MqttPublishing.loop();
     yield();
-    MqttVedirectPublishing.loop();
-    yield();
+    if (Configuration.get().Vedirect_Enabled) {
+        MqttVedirectPublishing.loop();
+        yield();
+    }
     MqttHassPublishing.loop();
     yield();
     WebApi.loop();