From 230250ac9da06ecea575f852cc548f81130d14d7 Mon Sep 17 00:00:00 2001
From: Tangent 128 <Tangent128@gmail.com>
Date: Sun, 27 Oct 2019 01:56:14 -0400
Subject: [PATCH] quiet compiler warnings in some of the messier code

---
 hello_gradient/src/bin/july4.rs       |  6 ------
 hello_gradient/src/bin/sanity_test.rs | 14 ++++++++------
 2 files changed, 8 insertions(+), 12 deletions(-)

diff --git a/hello_gradient/src/bin/july4.rs b/hello_gradient/src/bin/july4.rs
index 35bfd88..f7af1f9 100644
--- a/hello_gradient/src/bin/july4.rs
+++ b/hello_gradient/src/bin/july4.rs
@@ -2,10 +2,6 @@
 #![no_main]
 
 use core::iter::repeat;
-use core::sync::atomic::{
-    compiler_fence,
-    Ordering::SeqCst
-};
 use lights::{
     gamma::correct,
     HardwareRgb,
@@ -54,11 +50,9 @@ fn main() -> ! {
         }
 
         buffer.iter().render_to(&mut lights);
-        // compiler_fence(SeqCst);
         // buffer.iter().render_to(&mut lights);
         // lights.out.set_high();
         // lights.high_out.set_low();
-        // compiler_fence(SeqCst);
         // lights.byte(0);
         // lights.byte(0);
         // lights.byte(255);
diff --git a/hello_gradient/src/bin/sanity_test.rs b/hello_gradient/src/bin/sanity_test.rs
index 6ebb330..e4c5eee 100644
--- a/hello_gradient/src/bin/sanity_test.rs
+++ b/hello_gradient/src/bin/sanity_test.rs
@@ -4,24 +4,26 @@
 extern crate itsybitsy_m0 as hal;
 extern crate panic_halt;
 
-use hal::clock::GenericClockController;
+// use hal::clock::GenericClockController;
 //use hal::delay::Delay;
 use hal::prelude::*;
 use hal::entry;
-use hal::pac::{CorePeripherals, Peripherals};
+// use hal::pac::{CorePeripherals, Peripherals};
+use hal::pac::{Peripherals};
 
 use lights_hal::delay;
 
 #[entry]
 fn main() -> ! {
-    let mut peripherals = Peripherals::take().unwrap();
-    let core = CorePeripherals::take().unwrap();
-    let mut clocks = GenericClockController::with_internal_32kosc(
+    // let mut peripherals = Peripherals::take().unwrap();
+    let peripherals = Peripherals::take().unwrap();
+    // let core = CorePeripherals::take().unwrap();
+    /* let mut clocks = GenericClockController::with_internal_32kosc(
         peripherals.GCLK,
         &mut peripherals.PM,
         &mut peripherals.SYSCTRL,
         &mut peripherals.NVMCTRL,
-    );
+    ); */
     let mut pins = hal::Pins::new(peripherals.PORT);
     let mut red_led = pins.d13.into_open_drain_output(&mut pins.port);
     //let mut delay = Delay::new(core.SYST, &mut clocks);