Starting work on implementing structures

src/hoymiles.cpp

@@ -1,16 +1,31 @@
 #include "hoymiles.h"
 #include "modbus.h"
 
-Dtu::Dtu(const char *ip_address, int port){
-    this->modbus_t = modbus_new_tcp(ip_address, port);
-    modbus_connect(this->modbus_t);
+#include <iostream>
+
+Dtu::Dtu(const char *ip_address, int port) {
+	this->modbus_t = modbus_new_tcp(ip_address, port);
+    if(modbus_connect(this->modbus_t) == -1){
+        std::cerr << "conn_error";
+        modbus_free(this->modbus_t);
+        abort();
+    }
 }
 
-void Dtu::readTest(){
-    uint16_t tempArray[32];
-    modbus_read_registers(this->modbus_t, 0x13ef, 1, tempArray);
+void Dtu::readTest(uint16_t address, int registers) {
+	uint16_t readArray[registers];
+    int registerCount;
+	registerCount = modbus_read_registers(this->modbus_t, address, registers, readArray);
+	if(registerCount == -1){
+        std::cerr << "read_error";
+        return;
+    }
+    for (int i{0}; i < registerCount; i++) {
+		std::clog << readArray[i] << std::endl;
+	}
 }
 
-Dtu::~Dtu(){
-    delete this->modbus_t;
+Dtu::~Dtu() {
+	modbus_close(this->modbus_t);
+	modbus_free(this->modbus_t);
 }

src/main.cpp

@@ -1,6 +1,9 @@
 #include <iostream>
 #include <string>
 
+#include <chrono>
+#include <thread>
+
 #include "hoymiles.h"
 #include "modbus.h"
 
@@ -10,7 +13,13 @@ int main(){
     int port {502};
 
     Dtu dtu {ip_address.c_str(), port};
-    dtu.readTest();
+
+    bool buttonPressed{false};
+   for(int i{0}; i<10; i++){
+        dtu.readTest(0x1034, 2);
+        std::clog << std::endl;
+        std::this_thread::sleep_for(std::chrono::milliseconds(500));
+    }
 
     return 0;
 }