Import of the watch repository from Pebble

src/fw/services/common/status_led.h

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+//! Different states supported by the status LED.
+typedef enum {
+  StatusLedState_Off,
+  StatusLedState_Charging,
+  StatusLedState_FullyCharged,
+
+  StatusLedStateCount
+} StatusLedState;
+
+//! Set the status LED to a new state. Note that this function is a no-op on boards that don't
+//! have a status LED.
+void status_led_set(StatusLedState state);