Add support for one-shot measurements

1 files changed, 37 insertions, 0 deletions

diff --git a/src/devices/ads1x1x/common.rs b/src/devices/ads1x1x/common.rs
new file mode 100644
index 0000000..ce8a67a
--- /dev/null
+++ b/src/devices/ads1x1x/common.rs
@@ -0,0 +1,37 @@
+//! Common functions
+
+use { Ads1x1x, DataRate, Error, Register, BitFlags, interface };
+use super::OperatingMode;
+
+impl<DI, IC, MODE, E> Ads1x1x<DI, IC, MODE>
+where
+    DI: interface::WriteData<Error = E>
+{
+    pub(super) fn set_operating_mode(&mut self, mode: OperatingMode) -> Result<(), Error<E>> {
+        let config;
+        match mode {
+            OperatingMode::OneShot => config = self.config.with_high(BitFlags::OP_MODE),
+            OperatingMode::Continuous => config = self.config.with_low(BitFlags::OP_MODE),
+        }
+        self.iface.write_register(Register::CONFIG, config.bits)?;
+        self.config = config;
+        Ok(())
+    }
+
+    /// Set data rate
+    pub fn set_data_rate(&mut self, rate: DataRate) -> Result<(), Error<E>> {
+        let config;
+        match rate {
+            DataRate::Sps128  => config = self.config.with_low( BitFlags::DR2).with_low( BitFlags::DR1).with_low( BitFlags::DR0),
+            DataRate::Sps250  => config = self.config.with_low( BitFlags::DR2).with_low( BitFlags::DR1).with_high(BitFlags::DR0),
+            DataRate::Sps490  => config = self.config.with_low( BitFlags::DR2).with_high(BitFlags::DR1).with_low( BitFlags::DR0),
+            DataRate::Sps920  => config = self.config.with_low( BitFlags::DR2).with_high(BitFlags::DR1).with_high(BitFlags::DR0),
+            DataRate::Sps1600 => config = self.config.with_high(BitFlags::DR2).with_low( BitFlags::DR1).with_low( BitFlags::DR0),
+            DataRate::Sps2400 => config = self.config.with_high(BitFlags::DR2).with_low( BitFlags::DR1).with_high(BitFlags::DR0),
+            DataRate::Sps3300 => config = self.config.with_high(BitFlags::DR2).with_high(BitFlags::DR1).with_low( BitFlags::DR0),
+        }
+        self.iface.write_register(Register::CONFIG, config.bits)?;
+        self.config = config;
+        Ok(())
+    }
+}