1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122

// Copyright (c) 2017-2021 Rene van der Meer
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.

use std::time::Duration;

use embedded_hal::pwm::blocking::{Pwm as PwmHal, PwmPin as PwmPinHal};

use super::{Error, Pwm};

/// `Pwm` trait implementation for `embedded-hal` v1.0.0-alpha.5.
impl PwmHal for Pwm {
    type Duty = f64;
    type Channel = ();
    type Time = Duration;
    type Error = Error;

    /// Disables a PWM `channel`.
    fn disable(&mut self, _channel: &Self::Channel) -> Result<(), Self::Error> {
        Pwm::disable(self)
    }

    /// Enables a PWM `channel`.
    fn enable(&mut self, _channel: &Self::Channel) -> Result<(), Self::Error> {
        Pwm::enable(self)
    }

    /// Returns the current PWM period.
    fn get_period(&self) -> Result<Self::Time, Self::Error> {
        self.period()
    }

    /// Returns the current duty cycle.
    fn get_duty(&self, _channel: &Self::Channel) -> Result<Self::Duty, Self::Error> {
        self.duty_cycle()
    }

    /// Returns the maximum duty cycle value.
    fn get_max_duty(&self) -> Result<Self::Duty, Self::Error> {
        Ok(1.0)
    }

    /// Sets a new duty cycle.
    fn set_duty(&mut self, _channel: &Self::Channel, duty: Self::Duty) -> Result<(), Self::Error> {
        self.set_duty_cycle(duty)
    }

    /// Sets a new PWM period.
    fn set_period<P>(&mut self, period: P) -> Result<(), Self::Error>
    where
        P: Into<Self::Time>,
    {
        Pwm::set_period(self, period.into())
    }
}

/// `PwmPin` trait implementation for `embedded-hal` v1.0.0-alpha.5.
impl PwmPinHal for Pwm {
    type Duty = f64;
    type Error = Error;

    fn disable(&mut self) -> Result<(), Self::Error> {
        Pwm::disable(self)
    }

    fn enable(&mut self) -> Result<(), Self::Error> {
        Pwm::enable(self)
    }

    fn get_duty(&self) -> Result<Self::Duty, Self::Error> {
        self.duty_cycle()
    }

    fn get_max_duty(&self) -> Result<Self::Duty, Self::Error> {
        Ok(1.0)
    }

    fn set_duty(&mut self, duty: Self::Duty) -> Result<(), Self::Error> {
        self.set_duty_cycle(duty)
    }
}

/// `PwmPin` trait implementation for `embedded-hal` v0.2.6.
impl embedded_hal_0::PwmPin for Pwm {
    type Duty = f64;

    fn disable(&mut self) {
        let _ = PwmPinHal::disable(self);
    }

    fn enable(&mut self) {
        let _ = PwmPinHal::enable(self);
    }

    fn get_duty(&self) -> Self::Duty {
        PwmPinHal::get_duty(self).unwrap_or_default()
    }

    fn get_max_duty(&self) -> Self::Duty {
        PwmPinHal::get_max_duty(self).unwrap()
    }

    fn set_duty(&mut self, duty: Self::Duty) {
        let _ = PwmPinHal::set_duty(self, duty);
    }
}