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, 8 insertions, 13 deletions

diff --git a/examples/stm32l0/src/bin/button_exti.rs b/examples/stm32l0/src/bin/button_exti.rs
index ab23fd5bc..bdd2fa3c1 100644
--- a/examples/stm32l0/src/bin/button_exti.rs
+++ b/examples/stm32l0/src/bin/button_exti.rs
@@ -6,17 +6,15 @@ use defmt::*;
 use embassy_executor::executor::Spawner;
 use embassy_stm32::exti::ExtiInput;
 use embassy_stm32::gpio::{Input, Pull};
+use embassy_stm32::Config;
 use {defmt_rtt as _, panic_probe as _};
 
-fn config() -> embassy_stm32::Config {
-    let mut config = embassy_stm32::Config::default();
-    config.rcc.enable_hsi48 = true;
-    config
-}
-
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
-    let p = embassy_stm32::init(config());
+    let mut config = Config::default();
+    config.rcc.enable_hsi48 = true;
+    let p = embassy_stm32::init(config);
+
     let button = Input::new(p.PB2, Pull::Up);
     let mut button = ExtiInput::new(button, p.EXTI2);
 
diff --git a/examples/stm32l0/src/bin/lorawan.rs b/examples/stm32l0/src/bin/lorawan.rs
index 4e5b69362..9497cad72 100644
--- a/examples/stm32l0/src/bin/lorawan.rs
+++ b/examples/stm32l0/src/bin/lorawan.rs
@@ -18,16 +18,13 @@ use lorawan::default_crypto::DefaultFactory as Crypto;
 use lorawan_device::async_device::{region, Device, JoinMode};
 use {defmt_rtt as _, panic_probe as _};
 
-fn config() -> embassy_stm32::Config {
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
     let mut config = embassy_stm32::Config::default();
     config.rcc.mux = embassy_stm32::rcc::ClockSrc::HSI16;
     config.rcc.enable_hsi48 = true;
-    config
-}
+    let p = embassy_stm32::init(config);
 
-#[embassy_executor::main]
-async fn main(_spawner: Spawner) {
-    let p = embassy_stm32::init(config());
     // SPI for sx127x
     let spi = spi::Spi::new(
         p.SPI1,