From a9808211aeb98545d431a18e4a2fa8e3b2bd8218 Mon Sep 17 00:00:00 2001
From: Brian Cully <bjc@kublai.com>
Date: Fri, 28 Oct 2022 16:31:22 -0400
Subject: led: remove module, it's unnecessary

---
 src/led.rs  | 50 --------------------------------------------------
 src/main.rs | 10 ++++------
 2 files changed, 4 insertions(+), 56 deletions(-)
 delete mode 100644 src/led.rs

diff --git a/src/led.rs b/src/led.rs
deleted file mode 100644
index ba32fe0..0000000
--- a/src/led.rs
+++ /dev/null
@@ -1,50 +0,0 @@
-use stm32f1xx_hal::gpio::{gpiob::PB2, Cr, Floating, Input, Output, PushPull, CRL};
-
-enum State {
-    Low,
-    High,
-}
-
-type LEDPin<MODE> = PB2<MODE>;
-
-pub struct LED {
-    pin: LEDPin<Output<PushPull>>,
-    state: State,
-}
-
-#[allow(unused)]
-impl LED {
-    pub fn new(pin: LEDPin<Input<Floating>>, cr: &mut Cr<CRL, 'B'>) -> Self {
-        let mut p = pin.into_push_pull_output(cr);
-        p.set_low();
-        Self {
-            pin: p,
-            state: State::Low,
-        }
-    }
-
-    pub fn is_on(&self) -> bool {
-        match self.state {
-            State::High => true,
-            State::Low => false,
-        }
-    }
-
-    pub fn on(&mut self) {
-        self.state = State::High;
-        self.pin.set_high();
-    }
-
-    pub fn off(&mut self) {
-        self.state = State::Low;
-        self.pin.set_low();
-    }
-
-    pub fn toggle(&mut self) {
-        if self.is_on() {
-            self.off();
-        } else {
-            self.on();
-        }
-    }
-}
diff --git a/src/main.rs b/src/main.rs
index 1697001..8c2bac1 100755
--- a/src/main.rs
+++ b/src/main.rs
@@ -4,11 +4,9 @@
 //extern crate panic_semihosting;
 
 mod cirque;
-mod led;
 mod log;
 
 use cirque::Cirque;
-use led::LED;
 
 use cortex_m::{
     asm::{bkpt, wfi},
@@ -43,7 +41,8 @@ fn main() -> ! {
     assert!(clocks.usbclk_valid());
 
     let mut gpiob = dp.GPIOB.split();
-    let mut led = LED::new(gpiob.pb2, &mut gpiob.crl);
+    let mut led = gpiob.pb2.into_push_pull_output(&mut gpiob.crl);
+    led.set_low();
 
     let mut afio = dp.AFIO.constrain();
     let mut gpioa = dp.GPIOA.split();
@@ -141,7 +140,7 @@ fn main() -> ! {
 
         match serial.read(&mut buf) {
             Ok(count) if count > 0 => {
-                led.on();
+                led.set_high();
 
                 // Echo back in upper case
                 for c in buf[0..count].iter_mut() {
@@ -159,11 +158,10 @@ fn main() -> ! {
                         _ => {}
                     }
                 }
+                led.set_low();
             }
             _ => {}
         }
-
-        led.off();
     }
 }
 
-- 
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