Add init fn. Initializes hw and returns Peripherals.

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

@@ -16,9 +16,7 @@ use embedded_hal::digital::v2::OutputPin;
 use gpio::{Level, Output};
 
 #[embassy::main]
-async fn main(_spawner: Spawner) {
-    let p = unwrap!(Peripherals::take());
-
+async fn main(_spawner: Spawner, p: Peripherals) {
     let mut led = Output::new(p.PIN_25, Level::Low);
 
     loop {

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

@@ -16,9 +16,7 @@ use embassy_rp::Peripherals;
 use embedded_hal::digital::v2::{InputPin, OutputPin};
 
 #[embassy::main]
-async fn main(_spawner: Spawner) {
-    let p = unwrap!(Peripherals::take());
-
+async fn main(_spawner: Spawner, p: Peripherals) {
     let button = Input::new(p.PIN_28, Pull::Up);
     let mut led = Output::new(p.PIN_25, Level::Low);
 

embassy-rp-examples/src/bin/uart.rs

@@ -14,9 +14,7 @@ use embassy::executor::Spawner;
 use embassy_rp::{uart, Peripherals};
 
 #[embassy::main]
-async fn main(_spanwer: Spawner) {
-    let p = unwrap!(Peripherals::take());
-
+async fn main(_spawner: Spawner, p: Peripherals) {
     let config = uart::Config::default();
     let mut uart = uart::Uart::new(p.UART0, p.PIN_0, p.PIN_1, p.PIN_2, p.PIN_3, config);
     uart.send("Hello World!\r\n".as_bytes());