diff options
Diffstat (limited to 'src/construction.rs')
-rw-r--r-- | src/construction.rs | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/construction.rs b/src/construction.rs new file mode 100644 index 0000000..ab100fd --- /dev/null +++ b/src/construction.rs @@ -0,0 +1,47 @@ +//! Constructor/destructor functions. + +extern crate embedded_hal as hal; +use hal::blocking; +use core::marker::PhantomData; +use { Ads1x1x, DEVICE_BASE_ADDRESS, SlaveAddr, ic, Config, mode, FullScaleRange }; +use interface::I2cInterface; + + +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); |