Add value-based one-shot trait to ease driver usage in functions

1 files changed, 24 insertions, 0 deletions

diff --git a/examples/trait.rs b/examples/trait.rs
new file mode 100644
index 0000000..eda1f37
--- /dev/null
+++ b/examples/trait.rs
@@ -0,0 +1,24 @@
+// This example demonstrates the use of a type alias for the `Ads1x1x` struct
+// to ease usage in signatures.
+
+use linux_embedded_hal::I2cdev;
+use nb::block;
+
+use ads1x1x::{Ads1x1x, ChannelSelection, DynamicOneShot, SlaveAddr};
+
+/// Read a single value from channel A.
+/// Returns 0 on Error.
+pub fn read<E, A: DynamicOneShot<Error = E>>(adc: &mut A) -> i16 {
+    block!(adc.read(ChannelSelection::SingleA0)).unwrap_or(0)
+}
+
+fn main() {
+    let dev = I2cdev::new("/dev/i2c-1").unwrap();
+    let address = SlaveAddr::default();
+    let mut adc = Ads1x1x::new_ads1115(dev, address);
+
+    let value = read(&mut adc);
+    println!("Measurement: {}", value);
+    // get I2C device back
+    let _dev = adc.destroy_ads1115();
+}