sdk/fidl/fuchsia.hardware.pwm/pwm.fidl

// Copyright 2021 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
library fuchsia.hardware.pwm;

using zx;

type PwmConfig = struct {
    polarity bool;
    period_ns uint32;
    duty_cycle float32; // In the range [0.0, 100.0]
    @mutable
    @buffer
    mode_config vector<uint8>:MAX;
};

closed protocol Pwm {
    strict GetConfig() -> (struct {
        config PwmConfig;
    }) error zx.Status;

    strict SetConfig(struct {
        config PwmConfig;
    }) -> () error zx.Status;

    strict Enable() -> () error zx.Status;
    strict Disable() -> () error zx.Status;
};

service Service {
    pwm client_end:Pwm;
};