Reorganize modules

1 files changed, 48 insertions, 0 deletions

diff --git a/src/devices/features/tier2.rs b/src/devices/features/tier2.rs
new file mode 100644
index 0000000..43dce5c
--- /dev/null
+++ b/src/devices/features/tier2.rs
@@ -0,0 +1,48 @@
+//! Tier 2 features.
+//!
+//! These are the features included only in ADS1x14, ADS1x15
+
+use { Ads1x1x, Error, interface, ic, ComparatorMode, ComparatorPolarity,
+      ComparatorLatching, Register, BitFlags };
+
+impl<DI, IC, MODE, E> Ads1x1x<DI, IC, MODE>
+where
+    DI: interface::WriteData<Error = E>,
+    IC: ic::Resolution + ic::Tier2Features
+{
+    /// Set comparator mode
+    pub fn set_comparator_mode(&mut self, mode: ComparatorMode) -> Result<(), Error<E>> {
+        let config;
+        match mode {
+            ComparatorMode::Traditional => config = self.config.with_low(BitFlags::COMP_MODE),
+            ComparatorMode::Window      => config = self.config.with_high(BitFlags::COMP_MODE)
+        }
+        self.iface.write_register(Register::CONFIG, config.bits)?;
+        self.config = config;
+        Ok(())
+    }
+
+    /// Set comparator polarity
+    pub fn set_comparator_polarity(&mut self, polarity: ComparatorPolarity) -> Result<(), Error<E>> {
+        let config;
+        match polarity {
+            ComparatorPolarity::ActiveLow  => config = self.config.with_low( BitFlags::COMP_POL),
+            ComparatorPolarity::ActiveHigh => config = self.config.with_high(BitFlags::COMP_POL)
+        }
+        self.iface.write_register(Register::CONFIG, config.bits)?;
+        self.config = config;
+        Ok(())
+    }
+
+    /// Set comparator latching
+    pub fn set_comparator_latching(&mut self, latching: ComparatorLatching) -> Result<(), Error<E>> {
+        let config;
+        match latching {
+            ComparatorLatching::Nonlatching => config = self.config.with_low( BitFlags::COMP_LAT),
+            ComparatorLatching::Latching    => config = self.config.with_high(BitFlags::COMP_LAT)
+        }
+        self.iface.write_register(Register::CONFIG, config.bits)?;
+        self.config = config;
+        Ok(())
+    }
+}