v1.5增加一个舵机控制前档，实现踢球效果。

v1.5/lib/FastLED/tests/test_dbg.cpp

@@ -0,0 +1,20 @@
+
+// g++ --std=c++11 test.cpp
+
+#include "test.h"
+
+#include "test.h"
+#include "fl/dbg.h"
+
+#include "fl/namespace.h"
+
+using namespace fl;
+
+TEST_CASE("fastled_file_offset") {
+    const char* src = "src/fl/dbg.h";
+    const char* result = fastled_file_offset(src);
+    CHECK(strcmp(result, "src/fl/dbg.h") == 0);
+    const char* src2 = "blah/blah/blah.h";
+    const char* result2 = fastled_file_offset(src2);
+    CHECK(strcmp(result2, "blah.h") == 0);
+}