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Diffstat (limited to 'src/devices/features/tier2.rs')
| -rw-r--r-- | src/devices/features/tier2.rs | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/devices/features/tier2.rs b/src/devices/features/tier2.rs index 17502e6..25b618a 100644 --- a/src/devices/features/tier2.rs +++ b/src/devices/features/tier2.rs @@ -3,7 +3,7 @@ //! These are the features included only in ADS1x14, ADS1x15 use { Ads1x1x, Error, interface, ic, ComparatorMode, ComparatorPolarity, - ComparatorLatching, Register, BitFlags, conversion }; + ComparatorLatching, ComparatorQueue, Register, BitFlags, conversion }; impl<DI, IC, CONV, MODE, E> Ads1x1x<DI, IC, CONV, MODE> where @@ -58,6 +58,22 @@ where self.config = config; Ok(()) } + + /// Activate comparator and set the alert queue + /// + /// The comparator can be disabled with [`disable_comparator()`](struct.Ads1x1x.html#method.disable_comparator) + pub fn set_comparator_queue(&mut self, queue: ComparatorQueue) -> Result<(), Error<E>> { + let config; + match queue { + ComparatorQueue::One => config = self.config.with_low( BitFlags::COMP_QUE1).with_low( BitFlags::COMP_QUE0), + ComparatorQueue::Two => config = self.config.with_low( BitFlags::COMP_QUE1).with_high(BitFlags::COMP_QUE0), + ComparatorQueue::Four => config = self.config.with_high(BitFlags::COMP_QUE1).with_low( BitFlags::COMP_QUE0) + } + self.iface.write_register(Register::CONFIG, config.bits)?; + self.config = config; + Ok(()) + } + /// Disable comparator (default) /// /// This will set the ALERT/RDY pin to high-impedance. |