1 files changed, 76 insertions, 0 deletions
diff --git a/tests/common/mod.rs b/tests/common/mod.rs
new file mode 100644
index 0000000..8a4f1dd
--- /dev/null
+++ b/tests/common/mod.rs
@@ -0,0 +1,76 @@
+use hal::i2c::{ Mock as I2cMock, Transaction as I2cTrans };
+extern crate ads1x1x;
+use self::ads1x1x::{ Ads1x1x, interface, ic, SlaveAddr, mode };
+
+pub const DEVICE_ADDRESS : u8 = 0b100_1000;
+
+pub struct Register;
+
+impl Register {
+    pub const CONVERSION : u8 = 0x00;
+    pub const CONFIG     : u8 = 0x01;
+    //const LOW_TH     : u8 = 0x02;
+    //const HIGH_TH    : u8 = 0x03;
+}
+
+pub struct BitFlags;
+impl BitFlags {
+    //pub const OP_MODE      : u16 = 0b0000_0001_0000_0000;
+    pub const OS           : u16 = 0b1000_0000_0000_0000;
+    //pub const DR2          : u16 = 0b0000_0000_1000_0000;
+    //pub const DR1          : u16 = 0b0000_0000_0100_0000;
+    //pub const DR0          : u16 = 0b0000_0000_0010_0000;
+}
+
+pub struct Config {
+    pub bits: u16
+}
+
+impl Config {
+    pub fn with_high(&self, mask: u16) -> Self {
+        Config { bits: self.bits | mask }
+    }
+    pub fn with_low(&self, mask: u16) -> Self {
+        Config { bits: self.bits & !mask }
+    }
+
+    pub fn msb(&self) -> u8 {
+        (self.bits >> 8) as u8
+    }
+
+    pub fn lsb(&self) -> u8 {
+        self.bits as u8
+    }
+}
+
+impl Default for Config {
+    fn default() -> Self {
+        Config { bits: 0x8583 }
+    }
+}
+
+macro_rules! impl_new_destroy {
+    ($ic:ident, $create:ident, $destroy:ident, $trans:ty, $iface:ty) => {
+        pub fn $create(transactions: &[$trans]) -> Ads1x1x<$iface, ic::$ic, mode::OneShot> {
+            Ads1x1x::$create(I2cMock::new(&transactions), SlaveAddr::default())
+        }
+
+        pub fn $destroy<MODE>(dev: Ads1x1x<$iface, ic::$ic, MODE>) {
+            dev.$destroy().done();
+        }
+    }
+}
+
+impl_new_destroy!(Ads1013, new_ads1013, destroy_ads1013, I2cTrans, interface::I2cInterface<I2cMock>);
+impl_new_destroy!(Ads1113, new_ads1113, destroy_ads1113, I2cTrans, interface::I2cInterface<I2cMock>);
+
+#[macro_export]
+macro_rules! assert_would_block {
+    ($result: expr) => {
+        match $result {
+            Err(nb::Error::WouldBlock) => (),
+            _ => panic!("Would not block.")
+        }
+    }
+}
+