Initial commit, derived from former development (2018-2020=

snap7b.h

@@ -0,0 +1,33 @@
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <string.h>
+#include "./snap7-full-1.4.2/release/Wrappers/c-cpp/snap7.h"
+
+extern void logSnap7Server(char *);
+
+#ifdef OS_WINDOWS
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#endif
+
+const int EventCallBackLength = 1024;
+
+S7Object Server;
+
+void S7API EventCallBack(void *usrPtr, PSrvEvent PEvent, int Size)
+{
+
+    // print the event
+    char *text;
+    text = (char *)malloc(EventCallBackLength);
+    Srv_EventText(PEvent, text, EventCallBackLength);
+    logSnap7Server(text);
+    free(text);
+};
+
+void _RegisterEventCallBack(S7Object Server)
+{
+    Srv_SetEventsCallback(Server, EventCallBack, NULL);
+}