Better cmake; separate main method in own file

Communication/CMakeLists.txt

 
 find_package(Threads REQUIRED)
 
-add_executable(lfr_uart uart_communication.cpp)
+add_executable(lfr_uart uart_communication.cpp uart_communication_main.cpp)
+add_library(lfr_uart_lib uart_communication.cpp)
 
 target_link_libraries( lfr_uart Threads::Threads)
+target_link_libraries( lfr_uart_lib Threads::Threads)
+
+target_include_directories(lfr_uart PUBLIC .)
+target_include_directories(lfr_uart_lib PUBLIC .)
 
 set(CPACK_PROJECT_NAME ${PROJECT_NAME})
 set(CPACK_PROJECT_VERSION ${PROJECT_VERSION})

Communication/uart_communication.cpp

     this->closeFile();
 }
 
-int main(void) {
-    printf("Starting the loopback application...\r\n");
-    
-    LFR_UART uartCommunicator;
-    uartCommunicator.sendTelegram(-1.0, -0.99, 0.99, 1.0);
-    double buffer[4] = {0.0, 0.0, 0.0, 0.0};
-    sleep(1);
-    if(uartCommunicator.readTelegram(buffer)){
-        for(int i = 0; i < 4; i++) {
-            std::cout << buffer[i] << " ";
-        }
-    }
-    else {
-        std::cout<<"ne";
-    }
-    return 0;
-}
+

Communication/uart_communication_main.cpp

+#include "uart_communication.h"
+
+int main(void) {
+    printf("Starting the loopback application...\r\n");
+    
+    LFR_UART uartCommunicator;
+    uartCommunicator.sendTelegram(-1.0, -0.99, 0.99, 1.0);
+    double buffer[4] = {0.0, 0.0, 0.0, 0.0};
+    sleep(1);
+    if(uartCommunicator.readTelegram(buffer)){
+        for(int i = 0; i < 4; i++) {
+            std::cout << buffer[i] << " ";
+        }
+    }
+    else {
+        std::cout<<"ne";
+    }
+    return 0;
+}