infallible IO

examples/blinky.rs

@@ -29,12 +29,12 @@ fn main() -> ! {
     loop {
         info!("Set Led low");
         for _ in 0..10_000_000 {
-            led.set_low().unwrap();
+            led.set_low();
         }
 
         info!("Set Led High");
         for _ in 0..10_000_000 {
-            led.set_high().unwrap();
+            led.set_high();
         }
     }
 }

examples/blinky_delay.rs

@@ -40,11 +40,11 @@ fn main() -> ! {
 
     loop {
         info!("Toggle");
-        led.toggle().unwrap();
+        led.toggle();
         info!("SYST delay");
         delay_syst.delay(1000.millis());
         info!("Toggle");
-        led.toggle().unwrap();
+        led.toggle();
         info!("TIM2 delay");
         delay_tim2.delay_ms(1000);
     }

examples/button.rs

@@ -14,7 +14,6 @@ use core::cell::RefCell;
 use core::sync::atomic::{AtomicBool, Ordering};
 use cortex_m::{asm::wfi, interrupt::Mutex};
 use cortex_m_rt::entry;
-use embedded_hal::digital::OutputPin;
 
 type ButtonPin = gpio::PC13<Input<PullDown>>;
 
@@ -86,10 +85,10 @@ fn main() -> ! {
 
         if G_LED_ON.load(Ordering::Relaxed) {
             println!("Turn Led On!");
-            led.set_high().unwrap();
+            led.set_high();
         } else {
             println!("Turn Led Off!");
-            led.set_low().unwrap();
+            led.set_low();
         }
     }
 }

examples/can-echo.rs

@@ -57,8 +57,8 @@ fn main() -> ! {
 
     let can1 = {
         info!("Init CAN 1");
-        let rx = gpiob.pb8.into_alternate().set_speed(Speed::VeryHigh);
-        let tx = gpiob.pb9.into_alternate().set_speed(Speed::VeryHigh);
+        let rx = gpiob.pb8.into_alternate().speed(Speed::VeryHigh);
+        let tx = gpiob.pb9.into_alternate().speed(Speed::VeryHigh);
 
         info!("-- Create CAN 1 instance");
         let mut can = dp.FDCAN1.fdcan(tx, rx, &rcc);
@@ -82,8 +82,8 @@ fn main() -> ! {
 
     // let can2 = {
     //     info!("Init CAN 2");
-    //     let rx = gpiob.pb5.into_alternate().set_speed(Speed::VeryHigh);
-    //     let tx = gpiob.pb13.into_alternate().set_speed(Speed::VeryHigh);
+    //     let rx = gpiob.pb5.into_alternate().speed(Speed::VeryHigh);
+    //     let tx = gpiob.pb13.into_alternate().speed(Speed::VeryHigh);
 
     //     info!("-- Create CAN 2 instance");
     //     let mut can = dp.FDCAN2.fdcan(tx, rx, &rcc);

examples/comp.rs

@@ -17,7 +17,6 @@ use rt::entry;
 fn main() -> ! {
     use hal::comparator::{refint_input, ComparatorExt, ComparatorSplit, Config, Hysteresis};
     use hal::gpio::GpioExt;
-    use hal::prelude::OutputPin;
     use hal::rcc::RccExt;
     use hal::stm32;
     use stm32g4xx_hal as hal;
@@ -55,8 +54,8 @@ fn main() -> ! {
     loop {
         // Read comp1 output and update led1 accordingly
         match comp1.output() {
-            true => led1.set_high().unwrap(),
-            false => led1.set_low().unwrap(),
+            true => led1.set_high(),
+            false => led1.set_low(),
         }
     }
 }

examples/spi-example.rs

@@ -45,18 +45,18 @@ fn main() -> ! {
         .SPI1
         .spi((sclk, miso, mosi), spi::MODE_0, 400.kHz(), &mut rcc);
     let mut cs = gpioa.pa8.into_push_pull_output();
-    cs.set_high().unwrap();
+    cs.set_high();
 
     // "Hello world!"
     let message = b"Hello world!";
     let mut received_byte: u8;
 
     loop {
         for &byte in message {
-            cs.set_low().unwrap();
+            cs.set_low();
             spi.send(byte).unwrap();
             received_byte = nb::block!(FullDuplex::read(&mut spi)).unwrap();
-            cs.set_high().unwrap();
+            cs.set_high();
 
             info!("{}", received_byte as char);
         }

examples/spi-sd.rs

@@ -35,7 +35,7 @@ fn main() -> ! {
 
     let cs = {
         let mut cs = gpiof.pf8.into_push_pull_output();
-        cs.set_high().unwrap();
+        cs.set_high();
         cs
     };
 

examples/uart-dma-tx.rs

@@ -75,7 +75,7 @@ fn main() -> ! {
         while !transfer.get_transfer_complete_flag() {}
 
         delay_syst.delay(1000.millis());
-        led.toggle().unwrap();
+        led.toggle();
         transfer.restart(|_tx| {});
     }
 }

examples/usb_serial.rs

@@ -31,7 +31,7 @@ fn main() -> ! {
     let gpioa = dp.GPIOA.split(&mut rcc);
 
     let mut led = gpioa.pa5.into_push_pull_output();
-    led.set_low().ok();
+    led.set_low();
 
     let usb_dm = gpioa.pa11.into_alternate();
     let usb_dp = gpioa.pa12.into_alternate();
@@ -63,7 +63,7 @@ fn main() -> ! {
 
         match serial.read(&mut buf) {
             Ok(count) if count > 0 => {
-                led.set_high().ok();
+                led.set_high();
 
                 // Echo back in upper case
                 for c in buf[0..count].iter_mut() {
@@ -85,6 +85,6 @@ fn main() -> ! {
             _ => {}
         }
 
-        led.set_low().ok();
+        led.set_low();
     }
 }