Whitefox LED control (#1432)

* use new grave_esc functionality

* Port LED control from Ergodox Infinity to Whitefox

keyboards/whitefox/visualizer.c

@@ -0,0 +1,60 @@
+/* Copyright 2017 Fred Sundvik
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef KEYBOARDS_WHITEFOX_SIMPLE_VISUALIZER_H_
+#define KEYBOARDS_WHITEFOX_SIMPLE_VISUALIZER_H_
+
+#include "visualizer.h"
+#include "visualizer_keyframes.h"
+#include "led.h"
+#include "animations.h"
+
+
+static bool initial_update = true;
+
+// Feel free to modify the animations below, or even add new ones if needed
+
+void initialize_user_visualizer(visualizer_state_t* state) {
+    // The brightness will be dynamically adjustable in the future
+    // But for now, change it here.
+    initial_update = true;
+    start_keyframe_animation(&default_startup_animation);
+}
+
+
+void update_user_visualizer_state(visualizer_state_t* state, visualizer_keyboard_status_t* prev_status) {
+    // Add more tests, change the colors and layer texts here
+    // Usually you want to check the high bits (higher layers first)
+    // because that's the order layers are processed for keypresses
+    // You can for check for example:
+    // state->status.layer
+    // state->status.default_layer
+    // state->status.leds (see led.h for available statuses)
+
+    if (initial_update) { initial_update=false; start_keyframe_animation(&led_test_animation); }
+}
+
+
+void user_visualizer_suspend(visualizer_state_t* state) {
+    start_keyframe_animation(&default_suspend_animation);
+}
+
+void user_visualizer_resume(visualizer_state_t* state) {
+    initial_update = true;
+    start_keyframe_animation(&default_startup_animation);
+}
+
+#endif /* KEYBOARDS_WHITEFOX_SIMPLE_VISUALIZER_H_ */