Add support for setting the comparator latching

1 files changed, 13 insertions, 1 deletions

diff --git a/src/devices/ads1x1x/features/tier2.rs b/src/devices/ads1x1x/features/tier2.rs
index 7d22796..43dce5c 100644
--- a/src/devices/ads1x1x/features/tier2.rs
+++ b/src/devices/ads1x1x/features/tier2.rs
@@ -3,7 +3,7 @@
 //! These are the features included only in ADS1x14, ADS1x15
 
 use { Ads1x1x, Error, interface, ic, ComparatorMode, ComparatorPolarity,
-      Register, BitFlags };
+      ComparatorLatching, Register, BitFlags };
 
 impl<DI, IC, MODE, E> Ads1x1x<DI, IC, MODE>
 where
@@ -33,4 +33,16 @@ where
         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(())
+    }
 }