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//! Constructor/destructor functions.

extern crate embedded_hal as hal;
use core::marker::PhantomData;
use hal::blocking;
use interface::I2cInterface;
use {ic, mode, Ads1x1x, Config, FullScaleRange, SlaveAddr, DEVICE_BASE_ADDRESS};

macro_rules! impl_new_destroy {
    ( $IC:ident, $create:ident, $destroy:ident, $conv:ty ) => {
        impl<I2C, E> Ads1x1x<I2cInterface<I2C>, ic::$IC, $conv, mode::OneShot>
        where
            I2C: blocking::i2c::Write<Error = E> + blocking::i2c::WriteRead<Error = E>,
        {
            /// Create a new instance of the device in OneShot mode.
            pub fn $create(i2c: I2C, address: SlaveAddr) -> Self {
                Ads1x1x {
                    iface: I2cInterface {
                        i2c,
                        address: address.addr(DEVICE_BASE_ADDRESS),
                    },
                    config: Config::default(),
                    fsr: FullScaleRange::default(),
                    a_conversion_was_started: false,
                    _conv: PhantomData,
                    _ic: PhantomData,
                    _mode: PhantomData,
                }
            }
        }
        impl<I2C, CONV, MODE> Ads1x1x<I2cInterface<I2C>, ic::$IC, CONV, MODE> {
            /// Destroy driver instance, return I²C bus instance.
            pub fn $destroy(self) -> I2C {
                self.iface.i2c
            }
        }
    };
}

impl_new_destroy!(Ads1013, new_ads1013, destroy_ads1013, ic::Resolution12Bit);
impl_new_destroy!(Ads1113, new_ads1113, destroy_ads1113, ic::Resolution16Bit);
impl_new_destroy!(Ads1014, new_ads1014, destroy_ads1014, ic::Resolution12Bit);
impl_new_destroy!(Ads1114, new_ads1114, destroy_ads1114, ic::Resolution16Bit);
impl_new_destroy!(Ads1015, new_ads1015, destroy_ads1015, ic::Resolution12Bit);
impl_new_destroy!(Ads1115, new_ads1115, destroy_ads1115, ic::Resolution16Bit);