examples Remove the `fn config()` idiom.

It was only useful for doing #[embassy_executor::main(config = "config()")]`. Now that
it's gone, it makes more sense to build the config in main directly.

2 files changed, 6 insertions, 14 deletions

diff --git a/examples/stm32f3/src/bin/hello.rs b/examples/stm32f3/src/bin/hello.rs
index 7846912c9..cd59f7409 100644
--- a/examples/stm32f3/src/bin/hello.rs
+++ b/examples/stm32f3/src/bin/hello.rs
@@ -9,16 +9,13 @@ use embassy_stm32::time::Hertz;
 use embassy_stm32::Config;
 use {defmt_rtt as _, panic_probe as _};
 
-fn config() -> Config {
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) -> ! {
     let mut config = Config::default();
     config.rcc.hse = Some(Hertz(8_000_000));
     config.rcc.sysclk = Some(Hertz(16_000_000));
-    config
-}
+    let _p = embassy_stm32::init(config);
 
-#[embassy_executor::main]
-async fn main(_spawner: Spawner) -> ! {
-    let _p = embassy_stm32::init(config());
     loop {
         info!("Hello World!");
         Timer::after(Duration::from_secs(1)).await;
diff --git a/examples/stm32f3/src/bin/usb_serial.rs b/examples/stm32f3/src/bin/usb_serial.rs
index 36d38d87f..757643ea5 100644
--- a/examples/stm32f3/src/bin/usb_serial.rs
+++ b/examples/stm32f3/src/bin/usb_serial.rs
@@ -15,21 +15,16 @@ use embassy_usb_serial::{CdcAcmClass, State};
 use futures::future::join;
 use {defmt_rtt as _, panic_probe as _};
 
-fn config() -> Config {
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
     let mut config = Config::default();
-
     config.rcc.hse = Some(mhz(8));
     config.rcc.sysclk = Some(mhz(48));
     config.rcc.pclk1 = Some(mhz(24));
     config.rcc.pclk2 = Some(mhz(24));
     config.rcc.pll48 = true;
+    let p = embassy_stm32::init(config);
 
-    config
-}
-
-#[embassy_executor::main]
-async fn main(_spawner: Spawner) {
-    let p = embassy_stm32::init(config());
     info!("Hello World!");
 
     // Needed for nucleo-stm32f303ze