Changed project structure

decoder_modules/m17_decoder/src/base40.cpp

@@ -0,0 +1,16 @@
+#include <base40.h>
+
+void decode_callsign_base40(uint64_t encoded, char *callsign) {
+    if (encoded >= 262144000000000) { // 40^9
+        *callsign = 0;
+        return;
+    }
+    char *p = callsign;
+    for (; encoded > 0; p++) {
+        *p = " ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-/."[encoded % 40];
+        encoded /= 40;
+    }
+    *p = 0;
+
+    return;
+}