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, 12 deletions

diff --git a/examples/stm32f1/src/bin/hello.rs b/examples/stm32f1/src/bin/hello.rs
index 721b21c36..57892d3cc 100644
--- a/examples/stm32f1/src/bin/hello.rs
+++ b/examples/stm32f1/src/bin/hello.rs
@@ -9,15 +9,12 @@ 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.sys_ck = Some(Hertz(36_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/stm32f1/src/bin/usb_serial.rs b/examples/stm32f1/src/bin/usb_serial.rs
index 7f27e6251..2301c51b6 100644
--- a/examples/stm32f1/src/bin/usb_serial.rs
+++ b/examples/stm32f1/src/bin/usb_serial.rs
@@ -15,17 +15,14 @@ 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(Hertz(8_000_000));
     config.rcc.sys_ck = Some(Hertz(48_000_000));
     config.rcc.pclk1 = Some(Hertz(24_000_000));
-    config
-}
+    let mut p = embassy_stm32::init(config);
 
-#[embassy_executor::main]
-async fn main(_spawner: Spawner) {
-    let mut p = embassy_stm32::init(config());
     info!("Hello World!");
 
     {