Fix warnings for embassy-stm32 and embassy-stm32-examples

embassy-stm32-examples/.cargo/config.toml

@@ -0,0 +1,21 @@
+[unstable]
+build-std = ["core"]
+
+[target.'cfg(all(target_arch = "arm", target_os = "none"))']
+# replace STM32F429ZITx with your chip as listed in `probe-run --list-chips`
+runner = "probe-run --chip STM32F429ZITx"
+
+rustflags = [
+  # LLD (shipped with the Rust toolchain) is used as the default linker
+  "-C", "link-arg=--nmagic",
+  "-C", "link-arg=-Tlink.x",
+  "-C", "link-arg=-Tdefmt.x",
+
+  # Code-size optimizations.
+  "-Z", "trap-unreachable=no",
+  "-C", "inline-threshold=5",
+  "-C", "no-vectorize-loops",
+]
+
+[build]
+target = "thumbv7em-none-eabi"

embassy-stm32-examples/memory.x

@@ -0,0 +1,7 @@
+MEMORY
+{
+  /* NOTE 1 K = 1 KiBi = 1024 bytes */
+  /* These values correspond to the STM32F429ZI */
+  FLASH : ORIGIN = 0x08000000, LENGTH = 1024K
+  RAM : ORIGIN = 0x20000000, LENGTH = 256K
+}

embassy-stm32-examples/src/bin/blinky.rs

@@ -4,6 +4,7 @@
 #![feature(min_type_alias_impl_trait)]
 #![feature(impl_trait_in_bindings)]
 #![feature(type_alias_impl_trait)]
+#![allow(incomplete_features)]
 
 #[path = "../example_common.rs"]
 mod example_common;

embassy-stm32-examples/src/bin/button.rs

@@ -4,6 +4,7 @@
 #![feature(min_type_alias_impl_trait)]
 #![feature(impl_trait_in_bindings)]
 #![feature(type_alias_impl_trait)]
+#![allow(incomplete_features)]
 
 #[path = "../example_common.rs"]
 mod example_common;

embassy-stm32-examples/src/bin/button_exti.rs

@@ -4,13 +4,14 @@
 #![feature(min_type_alias_impl_trait)]
 #![feature(impl_trait_in_bindings)]
 #![feature(type_alias_impl_trait)]
+#![allow(incomplete_features)]
 
 #[path = "../example_common.rs"]
 mod example_common;
 use embassy::executor::Executor;
 use embassy::time::Clock;
 use embassy::util::Forever;
-use embassy_stm32::exti::{self, ExtiInput};
+use embassy_stm32::exti::ExtiInput;
 use embassy_stm32::gpio::{Input, Pull};
 use embassy_traits::gpio::{WaitForFallingEdge, WaitForRisingEdge};
 use example_common::*;

embassy-stm32-examples/src/bin/spi.rs

@@ -4,20 +4,20 @@
 #![feature(min_type_alias_impl_trait)]
 #![feature(impl_trait_in_bindings)]
 #![feature(type_alias_impl_trait)]
+#![allow(incomplete_features)]
 
 #[path = "../example_common.rs"]
 mod example_common;
 
-use embassy_stm32::gpio::{Input, Level, Output, Pull};
-use embedded_hal::digital::v2::{InputPin, OutputPin};
+use embassy_stm32::gpio::{Level, Output};
+use embedded_hal::digital::v2::OutputPin;
 use example_common::*;
 
 use cortex_m_rt::entry;
-use stm32f4::stm32f429 as pac;
-//use stm32l4::stm32l4x5 as pac;
-use embassy_stm32::spi::{ByteOrder, Config, Spi, MODE_0};
+use embassy_stm32::spi::{Config, Spi};
 use embassy_stm32::time::Hertz;
 use embedded_hal::blocking::spi::Transfer;
+use stm32f4::stm32f429 as pac;
 
 #[entry]
 fn main() -> ! {
@@ -47,7 +47,6 @@ fn main() -> ! {
         w
     });
 
-    let rc = pp.RCC.cfgr.read().sws().bits();
     let p = embassy_stm32::init(Default::default());
 
     let mut spi = Spi::new(
@@ -64,9 +63,9 @@ fn main() -> ! {
 
     loop {
         let mut buf = [0x0A; 4];
-        cs.set_low();
-        spi.transfer(&mut buf);
-        cs.set_high();
+        unwrap!(cs.set_low());
+        unwrap!(spi.transfer(&mut buf));
+        unwrap!(cs.set_high());
         info!("xfer {=[u8]:x}", buf);
     }
 }

embassy-stm32-examples/src/bin/usart.rs

@@ -4,6 +4,7 @@
 #![feature(min_type_alias_impl_trait)]
 #![feature(impl_trait_in_bindings)]
 #![feature(type_alias_impl_trait)]
+#![allow(incomplete_features)]
 
 #[path = "../example_common.rs"]
 mod example_common;
@@ -11,7 +12,6 @@ use cortex_m::prelude::_embedded_hal_blocking_serial_Write;
 use embassy::executor::Executor;
 use embassy::time::Clock;
 use embassy::util::Forever;
-use embassy_stm32::gpio::NoPin;
 use embassy_stm32::usart::{Config, Uart};
 use example_common::*;
 

embassy-stm32-examples/src/bin/usart_dma.rs

@@ -4,6 +4,7 @@
 #![feature(min_type_alias_impl_trait)]
 #![feature(impl_trait_in_bindings)]
 #![feature(type_alias_impl_trait)]
+#![allow(incomplete_features)]
 
 #[path = "../example_common.rs"]
 mod example_common;