v1.4实现机器人一起踢乒乓球功能，使用maixcam，离线运行。

v1.4/platformio/lib/FastLED/tests/test_grid.cpp

@@ -0,0 +1,24 @@
+
+// g++ --std=c++11 test.cpp
+
+#include "test.h"
+
+#include "test.h"
+#include "fl/grid.h"
+
+
+
+using namespace fl;
+
+TEST_CASE("Grid_int16_t") {
+    Grid<int16_t> grid(2, 2);
+    REQUIRE_EQ(grid.width(), 2);
+    REQUIRE_EQ(grid.height(), 2);
+    auto min_max = grid.minMax();
+
+    REQUIRE_EQ(min_max.x, 0);
+    REQUIRE_EQ(min_max.y, 0);
+
+    grid.at(0, 0) = 32767;
+    REQUIRE_EQ(32767, grid.at(0, 0));
+}