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//! Constructor/destructor functions for devices using I2C interface.
extern crate embedded_hal as hal;
use hal::blocking;
use core::marker::PhantomData;
use { Ads1x1x, DEVICE_BASE_ADDRESS, SlaveAddr, ic, Config, mode };
use interface::I2cInterface;
macro_rules! impl_new_destroy {
( $IC:ident, $create:ident, $destroy:ident, $conv:ty, $converter:expr ) => {
impl<I2C, E> Ads1x1x<I2cInterface<I2C>, ic::$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(),
a_conversion_was_started: false,
converter: $converter(()),
_ic: PhantomData,
_mode: PhantomData
}
}
}
impl<I2C, CONV, MODE> Ads1x1x<I2cInterface<I2C>, ic::$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, ic::Resolution12Bit);
impl_new_destroy!(Ads1113, new_ads1113, destroy_ads1113, ic::Resolution16Bit, ic::Resolution16Bit);
impl_new_destroy!(Ads1014, new_ads1014, destroy_ads1014, ic::Resolution12Bit, ic::Resolution12Bit);
impl_new_destroy!(Ads1114, new_ads1114, destroy_ads1114, ic::Resolution16Bit, ic::Resolution16Bit);
impl_new_destroy!(Ads1015, new_ads1015, destroy_ads1015, ic::Resolution12Bit, ic::Resolution12Bit);
impl_new_destroy!(Ads1115, new_ads1115, destroy_ads1115, ic::Resolution16Bit, ic::Resolution16Bit);
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