// src/bus/mod.rs

use core::cell::RefCell;
use embedded_hal_bus::i2c::RefCellDevice;
use esp_hal::i2c::master::I2c;
use esp_hal::Async;

/// The underlying I2C peripheral type
pub type I2cInner = I2c<'static, Async>;

/// RefCell to share the bus on a single core.
pub type SharedI2c = RefCell<I2cInner>;

/// A handle to a shared I2C device.
pub type I2cDevice = RefCellDevice<'static, I2cInner>;

/// New I2C device handle from the shared bus.
pub fn new_device(bus: &'static SharedI2c) -> I2cDevice {
    RefCellDevice::new(bus)
}