From f1756787dbe8446ca30482c737b2938a94b315af Mon Sep 17 00:00:00 2001
From: Dylan McKay <me@dylanmckay.io>
Date: Thu, 31 Aug 2017 02:24:24 +1200
Subject: [PATCH] Make a module public

---
 build.rs   | 3 ++-
 src/lib.rs | 4 ++--
 src/spi.rs | 5 ++---
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/build.rs b/build.rs
index b1b5f56..9f1ea92 100644
--- a/build.rs
+++ b/build.rs
@@ -53,7 +53,8 @@ fn generate_cores_mod_rs(mcus: &[Mcu]) -> Result<(), io::Error> {
 fn write_core_module(mcu: &Mcu, w: &mut Write) -> Result<(), io::Error> {
     writeln!(w, "//! Core for {}.", mcu.device.name)?;
     writeln!(w)?;
-    writeln!(w, "use {{HardwareSpi, HardwareUsart, Register}};")?;
+    writeln!(w, "use {{HardwareUsart, Register}};")?;
+    writeln!(w, "use spi::HardwareSpi;")?;
     writeln!(w)?;
 
     gen::write_registers(mcu, w)?;
diff --git a/src/lib.rs b/src/lib.rs
index 4fc6780..6036bad 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -10,7 +10,6 @@
 
 pub use self::reg::Register;
 pub use self::pin::Pin;
-pub use self::spi::HardwareSpi;
 pub use self::usart::HardwareUsart;
 
 pub mod prelude;
@@ -19,9 +18,10 @@ pub mod timer0;
 pub mod timer1;
 pub mod cores;
 
+pub mod spi;
+
 mod reg;
 mod pin;
-mod spi;
 mod usart;
 
 pub enum DataDirection {
diff --git a/src/spi.rs b/src/spi.rs
index d36440a..216e24b 100644
--- a/src/spi.rs
+++ b/src/spi.rs
@@ -133,8 +133,7 @@ pub trait HardwareSpi {
 }
 
 /// Constants for the control register.
-#[allow(dead_code)]
-mod control_register {
+pub mod control_register {
     pub const INTERRUPT_ENABLE: u8 = 1<<7;
     pub const ENABLE: u8 = 1<<6;
     pub const DATA_ORDER_LSB: u8 = 1<<5;
@@ -151,7 +150,7 @@ mod control_register {
 
 /// Constants for the status register.
 #[allow(dead_code)]
-mod status_register {
+pub mod status_register {
     /// SPI interrupt flag.
     pub const SPIF: u8 = 1<<7;
     /// Write collision flag.