Import of the watch repository from Pebble

src/fw/services/normal/vibes/vibe_intensity.h

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+/*
+ * 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
+
+#include <stdint.h>
+
+typedef enum VibeIntensity {
+  VibeIntensityLow,
+  VibeIntensityMedium,
+  VibeIntensityHigh,
+  VibeIntensityNum,
+} VibeIntensity;
+
+#if PLATFORM_SPALDING
+#define DEFAULT_VIBE_INTENSITY VibeIntensityMedium
+#else
+#define DEFAULT_VIBE_INTENSITY VibeIntensityHigh
+#endif
+
+void vibe_intensity_init(void);
+
+//! Returns the corresponding strength for the given level of intensity.
+//! The strength corresponds to a percentage of the max strength, ie in the range [0,100].
+uint8_t get_strength_for_intensity(VibeIntensity intensity);
+
+//! Sets the intensity of ALL vibrations (not just notifications)
+void vibe_intensity_set(VibeIntensity intensity);
+
+//! Gets the current vibe intensity
+VibeIntensity vibe_intensity_get(void);
+
+//! Returns a string representation of the provided vibe intensity.
+//! @param intensity The intensity for which to get a string representation
+//! @return A string representation of the provided intensity, or NULL if the intensity is invalid
+const char *vibe_intensity_get_string_for_intensity(VibeIntensity intensity);
+
+//! Gets the next intensity in the vibe intensity cycle
+//! @param intensity Input intensity for which to get the next intensity
+//! @return The next vibe intensity in the cycle
+VibeIntensity vibe_intensity_cycle_next(VibeIntensity intensity);