emc230x 0.6.0

An async driver for the EMC230x family of fan controllers
Documentation 
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// Copyright (c) 2024 Jake Swensen
// SPDX-License-Identifier: MPL-2.0
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

use num_enum::{IntoPrimitive, TryFromPrimitive};

#[derive(Copy, Clone, Debug, IntoPrimitive, TryFromPrimitive)]
#[repr(u8)]
pub enum ProductId {
    Emc2305 = 0x34,
    Emc2303 = 0x35,
    Emc2302 = 0x36,
    Emc2301 = 0x37,
}

impl ProductId {
    pub const ADDRESS: u8 = 0xFD;

    /// Number of fans the device supports based on the Product ID.
    pub fn num_fans(&self) -> u16 {
        match self {
            ProductId::Emc2301 => 1,
            ProductId::Emc2302 => 2,
            ProductId::Emc2303 => 3,
            ProductId::Emc2305 => 5,
        }
    }
}

impl defmt::Format for ProductId {
    fn format(&self, f: defmt::Formatter) {
        match self {
            ProductId::Emc2305 => defmt::write!(f, "EMC2305"),
            ProductId::Emc2303 => defmt::write!(f, "EMC2303"),
            ProductId::Emc2302 => defmt::write!(f, "EMC2302"),
            ProductId::Emc2301 => defmt::write!(f, "EMC2301"),
        }
    }
}