Bus scanner added

src/Bus.cpp

@@ -0,0 +1,38 @@
+#include "Bus.h"
+#include "Class/NotAsinc.h"
+#include "Global.h"
+
+void busInit() {
+    myNotAsincActions->add(
+        do_BUSSCAN, [&](void*) {
+            String tmp = i2c_scan();
+            if (tmp == "error") {
+                tmp = i2c_scan();
+                Serial.println(tmp);
+                jsonWriteStr(configLiveJson, "i2c", tmp);
+            } else {
+                Serial.println(tmp);
+                jsonWriteStr(configLiveJson, "i2c", tmp);
+            }
+        },
+        nullptr);
+}
+
+String i2c_scan() {
+    String out;
+    byte count = 0;
+    Wire.begin();
+    for (byte i = 8; i < 120; i++) {
+        Wire.beginTransmission(i);
+        if (Wire.endTransmission() == 0) {
+            count++;
+            out += String(count) + ". 0x" + String(i, HEX) + "; ";
+            delay(1);
+        }
+    }
+    if (count == 0) {
+        return "error";
+    } else {
+        return out;
+    }
+}