rename led::Green to led::PC13

closes #22

examples/blinky-blocking.rs

@@ -14,7 +14,7 @@ extern crate cortex_m_rtfm as rtfm;
 extern crate nb;
 
 use blue_pill::Timer;
-use blue_pill::led::{self, Green};
+use blue_pill::led::{self, PC13};
 use blue_pill::prelude::*;
 use blue_pill::time::Hertz;
 use rtfm::{app, Threshold};
@@ -48,9 +48,9 @@ fn idle(_t: &mut Threshold, r: idle::Resources) -> ! {
         state = !state;
 
         if state {
-            Green.on();
+            PC13.on();
         } else {
-            Green.off();
+            PC13.off();
         }
     }
 }

examples/blinky.rs

@@ -8,7 +8,7 @@ extern crate blue_pill;
 extern crate cortex_m;
 extern crate cortex_m_rtfm as rtfm;
 
-use blue_pill::led::{self, Green};
+use blue_pill::led::{self, PC13};
 use cortex_m::peripheral::SystClkSource;
 use rtfm::{app, Threshold};
 
@@ -48,8 +48,8 @@ fn toggle(_t: &mut Threshold, r: SYS_TICK::Resources) {
     **r.ON = !**r.ON;
 
     if **r.ON {
-        Green.on();
+        PC13.on();
     } else {
-        Green.off();
+        PC13.off();
     }
 }

examples/concurrent.rs

@@ -9,7 +9,7 @@ extern crate cortex_m;
 extern crate cortex_m_rtfm as rtfm;
 
 use blue_pill::Serial;
-use blue_pill::led::{self, Green};
+use blue_pill::led::{self, PC13};
 use blue_pill::prelude::*;
 use blue_pill::serial::Event;
 use blue_pill::time::Hertz;
@@ -69,8 +69,8 @@ fn toggle(_t: &mut Threshold, r: SYS_TICK::Resources) {
     **r.ON = !**r.ON;
 
     if **r.ON {
-        Green.on();
+        PC13.on();
     } else {
-        Green.off();
+        PC13.off();
     }
 }

examples/led.rs

@@ -8,7 +8,7 @@
 extern crate blue_pill;
 extern crate cortex_m_rtfm as rtfm;
 
-use blue_pill::led::{self, Green};
+use blue_pill::led::{self, PC13};
 use rtfm::app;
 
 app! {
@@ -20,7 +20,7 @@ fn init(p: init::Peripherals) {
 }
 
 fn idle() -> ! {
-    Green.on();
+    PC13.on();
 
     // Sleep
     loop {

examples/preemption.rs

@@ -9,7 +9,7 @@ extern crate cortex_m;
 extern crate cortex_m_rtfm as rtfm;
 
 use blue_pill::Serial;
-use blue_pill::led::{self, Green};
+use blue_pill::led::{self, PC13};
 use blue_pill::prelude::*;
 use blue_pill::serial::Event;
 use blue_pill::time::Hertz;
@@ -79,8 +79,8 @@ fn toggle(t: &mut Threshold, mut r: SYS_TICK::Resources) {
     **r.ON = !**r.ON;
 
     if **r.ON {
-        Green.on();
+        PC13.on();
     } else {
-        Green.off();
+        PC13.off();
     }
 }

examples/sharing.rs

@@ -9,7 +9,7 @@ extern crate cortex_m;
 extern crate cortex_m_rtfm as rtfm;
 
 use blue_pill::Serial;
-use blue_pill::led::{self, Green};
+use blue_pill::led::{self, PC13};
 use blue_pill::prelude::*;
 use blue_pill::serial::Event;
 use blue_pill::time::Hertz;
@@ -74,8 +74,8 @@ fn toggle(_t: &mut Threshold, r: SYS_TICK::Resources) {
     **r.ON = !**r.ON;
 
     if **r.ON {
-        Green.on();
+        PC13.on();
     } else {
-        Green.off();
+        PC13.off();
     }
 }

examples/wait1.rs

@@ -9,7 +9,7 @@ extern crate blue_pill;
 extern crate cortex_m_rtfm as rtfm;
 
 use blue_pill::Timer;
-use blue_pill::led::{self, Green};
+use blue_pill::led::{self, PC13};
 use blue_pill::prelude::*;
 use blue_pill::time::Hertz;
 use rtfm::{app, Threshold};
@@ -43,9 +43,9 @@ fn idle(_t: &mut Threshold, r: idle::Resources) -> ! {
         state = !state;
 
         if state {
-            Green.on();
+            PC13.on();
         } else {
-            Green.off();
+            PC13.off();
         }
     }
 }

examples/wait2.rs

@@ -9,7 +9,7 @@ extern crate blue_pill;
 extern crate cortex_m_rtfm as rtfm;
 
 use blue_pill::Timer;
-use blue_pill::led::{self, Green};
+use blue_pill::led::{self, PC13};
 use blue_pill::prelude::*;
 use blue_pill::time::Hertz;
 use rtfm::{app, Threshold};
@@ -42,9 +42,9 @@ fn idle(_t: &mut Threshold, r: idle::Resources) -> ! {
         state = !state;
 
         if state {
-            Green.on();
+            PC13.on();
         } else {
-            Green.off();
+            PC13.off();
         }
     }
 }

examples/wait3.rs

@@ -9,7 +9,7 @@ extern crate blue_pill;
 extern crate cortex_m_rtfm as rtfm;
 
 use blue_pill::Timer;
-use blue_pill::led::{self, Green};
+use blue_pill::led::{self, PC13};
 use blue_pill::prelude::*;
 use blue_pill::time::Hertz;
 use rtfm::{app, Threshold};
@@ -43,9 +43,9 @@ fn idle(_t: &mut Threshold, r: idle::Resources) -> ! {
         state = !state;
 
         if state {
-            Green.on();
+            PC13.on();
         } else {
-            Green.off();
+            PC13.off();
         }
     }
 }

examples/wait4.rs

@@ -9,7 +9,7 @@ extern crate blue_pill;
 extern crate cortex_m_rtfm as rtfm;
 
 use blue_pill::Timer;
-use blue_pill::led::{self, Green};
+use blue_pill::led::{self, PC13};
 use blue_pill::prelude::*;
 use blue_pill::time::Hertz;
 use rtfm::{app, Threshold};
@@ -43,9 +43,9 @@ fn idle(_t: &mut Threshold, r: idle::Resources) -> ! {
         state = !state;
 
         if state {
-            Green.on();
+            PC13.on();
         } else {
-            Green.off();
+            PC13.off();
         }
     }
 }

src/led.rs

 //! User LEDs
 //!
-//! - Green = PC13
+//! - PC13
 
 use stm32f103xx::{GPIOC, RCC};
 
-/// Green LED (PC13)
-pub struct Green;
+/// LED connected to pin PC13
+pub struct PC13;
 
 /// Initializes the user LED
 pub fn init(gpioc: &GPIOC, rcc: &RCC) {
@@ -17,7 +17,7 @@ pub fn init(gpioc: &GPIOC, rcc: &RCC) {
     gpioc.crh.modify(|_, w| w.mode13().output().cnf13().push());
 }
 
-impl Green {
+impl PC13 {
     /// Turns the LED on
     pub fn on(&self) {
         unsafe {