Convert between modes through transformation of the struct

2 files changed, 44 insertions, 0 deletions

diff --git a/src/devices/construction/i2c.rs b/src/devices/construction/i2c.rs
new file mode 100644
index 0000000..900a5fe
--- /dev/null
+++ b/src/devices/construction/i2c.rs
@@ -0,0 +1,41 @@
+//! Functions exclusive of ADS1013
+
+extern crate embedded_hal as hal;
+use hal::blocking;
+use core::marker::PhantomData;
+use { Ads1x1x, DEVICE_BASE_ADDRESS, SlaveAddr, ic, Config, mode };
+use interface::I2cInterface;
+
+
+macro_rules! impl_new_destroy {
+    ( $IC:ident, $create:ident, $destroy:ident ) => {
+        impl<I2C, E> Ads1x1x<I2cInterface<I2C>, ic::$IC, mode::OneShot>
+        where
+            I2C: blocking::i2c::Write<Error = E> + blocking::i2c::WriteRead<Error = E>
+        {
+            /// Create a new instance of the device in OneShot mode.
+            pub fn $create(i2c: I2C, address: SlaveAddr) -> Self {
+                Ads1x1x {
+                    iface: I2cInterface {
+                        i2c,
+                        address: address.addr(DEVICE_BASE_ADDRESS)
+                    },
+                    config: Config::default(),
+                    a_conversion_was_started: false,
+                    _ic: PhantomData,
+                    _mode: PhantomData
+                }
+            }
+        }
+        impl<I2C, MODE> Ads1x1x<I2cInterface<I2C>, ic::$IC, MODE>
+        {
+            /// Destroy driver instance, return I²C bus instance.
+            pub fn $destroy(self) -> I2C {
+                self.iface.i2c
+            }
+        }
+    }
+}
+
+impl_new_destroy!(Ads1013, new_ads1013, destroy_ads1013);
+impl_new_destroy!(Ads1113, new_ads1113, destroy_ads1113);
\ No newline at end of file
diff --git a/src/devices/construction/mod.rs b/src/devices/construction/mod.rs
new file mode 100644
index 0000000..0873d88
--- /dev/null
+++ b/src/devices/construction/mod.rs
@@ -0,0 +1,3 @@
+//! Construction / destruction functions
+
+mod i2c;