Derive Builder Lite pattern for HAL configuration, update examples/tests (#2645)

* Derive Builder Lite pattern for `esp_hal::Config` and `WatchdogConfig`

* User builder pattern for `esp_hal::Config` in examples/tests

* Update `CHANGELOG.md`

esp-hal/CHANGELOG.md

@@ -25,6 +25,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Configuration structs in the I2C, SPI, and UART drivers now implement the Builder Lite pattern (#2614)
 - Added `I8080::apply_config`, `DPI::apply_config` and `Camera::apply_config` (#2610)
 - Introduced the `unstable` feature which will be used to restrict stable APIs to a subset of esp-hal. (#2628)
+- HAL configuration structs now implement the Builder Lite pattern (#2645)
 
 ### Changed
 

esp-hal/src/clock/mod.rs

@@ -38,26 +38,8 @@
 //! ```rust, no_run
 #![doc = crate::before_snippet!()]
 //! // Initialize with the highest possible frequency for this chip
-//! let peripherals = esp_hal::init({
-//!     let mut config = esp_hal::Config::default();
-//!     config.cpu_clock = CpuClock::max();
-//!     config
-//! });
-//!
-//! // Initialize with custom clock frequency
-//! // let peripherals = esp_hal::init({
-//! //    let mut config = esp_hal::Config::default();
-#![cfg_attr(
-    not(any(esp32c2, esp32h2)),
-    doc = "//    config.cpu_clock = CpuClock::Clock160MHz;"
-)]
-#![cfg_attr(esp32c2, doc = "//    config.cpu_clock = CpuClock::Clock120MHz;")]
-#![cfg_attr(esp32h2, doc = "//    config.cpu_clock = CpuClock::Clock96MHz;")]
-//! //    config
-//! // });
-//! //
-//! // Initialize with default clock frequency for this chip
-//! // let peripherals = esp_hal::init(esp_hal::Config::default());
+//! let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+//! let peripherals = esp_hal::init(config);
 //! # }
 //! ```
 

esp-hal/src/config.rs

@@ -22,10 +22,10 @@
 //! ### Custom initialization
 //! ```rust, no_run
 #![doc = crate::before_snippet!()]
-//! let mut config = esp_hal::Config::default();
-//! config.cpu_clock = CpuClock::max();
-//! config.watchdog.rwdt =
-//!     esp_hal::config::WatchdogStatus::Enabled(fugit::MicrosDurationU64::millis(1000 as u64));
+//! let config =
+//! esp_hal::Config::default().with_cpu_clock(CpuClock::max()).
+//!     with_watchdog(esp_hal::config::WatchdogConfig::default().
+//!     with_rwdt(esp_hal::config::WatchdogStatus::Enabled(fugit::MicrosDurationU64::millis(1000u64))));
 //! let peripherals = esp_hal::init(config);
 //! # }
 //! ```
@@ -42,7 +42,7 @@ pub enum WatchdogStatus {
 
 /// Watchdog configuration.
 #[non_exhaustive]
-#[derive(Default)]
+#[derive(Default, procmacros::BuilderLite)]
 pub struct WatchdogConfig {
     #[cfg(not(any(esp32, esp32s2)))]
     /// Enable the super watchdog timer, which has a trigger time of slightly

esp-hal/src/lib.rs

@@ -75,12 +75,8 @@
 //!
 //! #[entry]
 //! fn main() -> ! {
-//!     let peripherals = esp_hal::init({
-//!         let mut config = esp_hal::Config::default();
-//!         // Configure the CPU to run at the maximum frequency.
-//!         config.cpu_clock = CpuClock::max();
-//!         config
-//!     });
+//!     let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+//!     let peripherals = esp_hal::init(config);
 //!
 //!     // Set GPIO0 as an output, and set its state high initially.
 //!     let mut led = Output::new(peripherals.GPIO0, Level::High);
@@ -482,7 +478,7 @@ use crate::{
 ///
 /// For usage examples, see the [config module documentation](crate::config).
 #[non_exhaustive]
-#[derive(Default)]
+#[derive(Default, procmacros::BuilderLite)]
 pub struct Config {
     /// The CPU clock configuration.
     pub cpu_clock: CpuClock,

examples/src/bin/wifi_80211_tx.rs

@@ -31,11 +31,8 @@ const MAC_ADDRESS: [u8; 6] = [0x00, 0x80, 0x41, 0x13, 0x37, 0x42];
 #[entry]
 fn main() -> ! {
     esp_println::logger::init_logger_from_env();
-    let peripherals = esp_hal::init({
-        let mut config = esp_hal::Config::default();
-        config.cpu_clock = CpuClock::max();
-        config
-    });
+    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+    let peripherals = esp_hal::init(config);
 
     esp_alloc::heap_allocator!(72 * 1024);
 

examples/src/bin/wifi_access_point.rs

@@ -40,11 +40,8 @@ use smoltcp::iface::{SocketSet, SocketStorage};
 #[entry]
 fn main() -> ! {
     esp_println::logger::init_logger_from_env();
-    let peripherals = esp_hal::init({
-        let mut config = esp_hal::Config::default();
-        config.cpu_clock = CpuClock::max();
-        config
-    });
+    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+    let peripherals = esp_hal::init(config);
 
     esp_alloc::heap_allocator!(72 * 1024);
 

examples/src/bin/wifi_access_point_with_sta.rs

@@ -46,11 +46,8 @@ const PASSWORD: &str = env!("PASSWORD");
 #[entry]
 fn main() -> ! {
     esp_println::logger::init_logger(log::LevelFilter::Info);
-    let peripherals = esp_hal::init({
-        let mut config = esp_hal::Config::default();
-        config.cpu_clock = CpuClock::max();
-        config
-    });
+    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+    let peripherals = esp_hal::init(config);
 
     esp_alloc::heap_allocator!(72 * 1024);
 

examples/src/bin/wifi_bench.rs

@@ -57,11 +57,8 @@ const UPLOAD_DOWNLOAD_PORT: u16 = 4323;
 #[entry]
 fn main() -> ! {
     esp_println::logger::init_logger_from_env();
-    let peripherals = esp_hal::init({
-        let mut config = esp_hal::Config::default();
-        config.cpu_clock = CpuClock::max();
-        config
-    });
+    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+    let peripherals = esp_hal::init(config);
 
     esp_alloc::heap_allocator!(72 * 1024);
 

examples/src/bin/wifi_ble.rs

@@ -37,11 +37,8 @@ use esp_wifi::{ble::controller::BleConnector, init};
 #[entry]
 fn main() -> ! {
     esp_println::logger::init_logger_from_env();
-    let peripherals = esp_hal::init({
-        let mut config = esp_hal::Config::default();
-        config.cpu_clock = CpuClock::max();
-        config
-    });
+    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+    let peripherals = esp_hal::init(config);
 
     esp_alloc::heap_allocator!(72 * 1024);
 

examples/src/bin/wifi_coex.rs

@@ -53,11 +53,8 @@ const PASSWORD: &str = env!("PASSWORD");
 #[entry]
 fn main() -> ! {
     esp_println::logger::init_logger_from_env();
-    let peripherals = esp_hal::init({
-        let mut config = esp_hal::Config::default();
-        config.cpu_clock = CpuClock::max();
-        config
-    });
+    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+    let peripherals = esp_hal::init(config);
 
     static mut HEAP: core::mem::MaybeUninit<[u8; 72 * 1024]> = core::mem::MaybeUninit::uninit();
 

examples/src/bin/wifi_csi.rs

@@ -45,11 +45,8 @@ const PASSWORD: &str = env!("PASSWORD");
 #[entry]
 fn main() -> ! {
     esp_println::logger::init_logger_from_env();
-    let peripherals = esp_hal::init({
-        let mut config = esp_hal::Config::default();
-        config.cpu_clock = CpuClock::max();
-        config
-    });
+    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+    let peripherals = esp_hal::init(config);
 
     esp_alloc::heap_allocator!(72 * 1024);
 

examples/src/bin/wifi_dhcp.rs

@@ -47,11 +47,8 @@ const PASSWORD: &str = env!("PASSWORD");
 #[entry]
 fn main() -> ! {
     esp_println::logger::init_logger_from_env();
-    let peripherals = esp_hal::init({
-        let mut config = esp_hal::Config::default();
-        config.cpu_clock = CpuClock::max();
-        config
-    });
+    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+    let peripherals = esp_hal::init(config);
 
     esp_alloc::heap_allocator!(72 * 1024);
 

examples/src/bin/wifi_dhcp_smoltcp_nal.rs

@@ -49,11 +49,8 @@ const PASSWORD: &str = env!("PASSWORD");
 #[entry]
 fn main() -> ! {
     esp_println::logger::init_logger_from_env();
-    let peripherals = esp_hal::init({
-        let mut config = esp_hal::Config::default();
-        config.cpu_clock = CpuClock::max();
-        config
-    });
+    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+    let peripherals = esp_hal::init(config);
 
     esp_alloc::heap_allocator!(72 * 1024);
 

examples/src/bin/wifi_embassy_access_point.rs

@@ -57,11 +57,8 @@ macro_rules! mk_static {
 #[esp_hal_embassy::main]
 async fn main(spawner: Spawner) -> ! {
     esp_println::logger::init_logger_from_env();
-    let peripherals = esp_hal::init({
-        let mut config = esp_hal::Config::default();
-        config.cpu_clock = CpuClock::max();
-        config
-    });
+    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+    let peripherals = esp_hal::init(config);
 
     esp_alloc::heap_allocator!(72 * 1024);
 

examples/src/bin/wifi_embassy_access_point_with_sta.rs

@@ -65,11 +65,8 @@ macro_rules! mk_static {
 #[esp_hal_embassy::main]
 async fn main(spawner: Spawner) -> ! {
     esp_println::logger::init_logger_from_env();
-    let peripherals = esp_hal::init({
-        let mut config = esp_hal::Config::default();
-        config.cpu_clock = CpuClock::max();
-        config
-    });
+    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+    let peripherals = esp_hal::init(config);
 
     esp_alloc::heap_allocator!(72 * 1024);
 

examples/src/bin/wifi_embassy_bench.rs

@@ -68,11 +68,8 @@ static mut TX_BUFFER: [u8; TX_BUFFER_SIZE] = [0; TX_BUFFER_SIZE];
 #[esp_hal_embassy::main]
 async fn main(spawner: Spawner) -> ! {
     esp_println::logger::init_logger_from_env();
-    let peripherals = esp_hal::init({
-        let mut config = esp_hal::Config::default();
-        config.cpu_clock = CpuClock::max();
-        config
-    });
+    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+    let peripherals = esp_hal::init(config);
 
     static mut HEAP: core::mem::MaybeUninit<[u8; 32 * 1024]> = core::mem::MaybeUninit::uninit();
 

examples/src/bin/wifi_embassy_ble.rs

@@ -50,11 +50,8 @@ macro_rules! mk_static {
 #[esp_hal_embassy::main]
 async fn main(_spawner: Spawner) -> ! {
     esp_println::logger::init_logger_from_env();
-    let peripherals = esp_hal::init({
-        let mut config = esp_hal::Config::default();
-        config.cpu_clock = CpuClock::max();
-        config
-    });
+    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+    let peripherals = esp_hal::init(config);
 
     esp_alloc::heap_allocator!(72 * 1024);
 

examples/src/bin/wifi_embassy_dhcp.rs

@@ -50,11 +50,8 @@ const PASSWORD: &str = env!("PASSWORD");
 #[esp_hal_embassy::main]
 async fn main(spawner: Spawner) -> ! {
     esp_println::logger::init_logger_from_env();
-    let peripherals = esp_hal::init({
-        let mut config = esp_hal::Config::default();
-        config.cpu_clock = CpuClock::max();
-        config
-    });
+    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+    let peripherals = esp_hal::init(config);
 
     esp_alloc::heap_allocator!(72 * 1024);
 

examples/src/bin/wifi_embassy_esp_now.rs

@@ -36,11 +36,8 @@ macro_rules! mk_static {
 #[esp_hal_embassy::main]
 async fn main(_spawner: Spawner) -> ! {
     esp_println::logger::init_logger_from_env();
-    let peripherals = esp_hal::init({
-        let mut config = esp_hal::Config::default();
-        config.cpu_clock = CpuClock::max();
-        config
-    });
+    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+    let peripherals = esp_hal::init(config);
 
     esp_alloc::heap_allocator!(72 * 1024);
 

examples/src/bin/wifi_embassy_esp_now_duplex.rs

@@ -36,11 +36,8 @@ macro_rules! mk_static {
 #[esp_hal_embassy::main]
 async fn main(spawner: Spawner) -> ! {
     esp_println::logger::init_logger_from_env();
-    let peripherals = esp_hal::init({
-        let mut config = esp_hal::Config::default();
-        config.cpu_clock = CpuClock::max();
-        config
-    });
+    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+    let peripherals = esp_hal::init(config);
 
     esp_alloc::heap_allocator!(72 * 1024);
 

examples/src/bin/wifi_embassy_trouble.rs

@@ -44,11 +44,8 @@ macro_rules! mk_static {
 #[esp_hal_embassy::main]
 async fn main(_s: Spawner) {
     esp_println::logger::init_logger_from_env();
-    let peripherals = esp_hal::init({
-        let mut config = esp_hal::Config::default();
-        config.cpu_clock = CpuClock::max();
-        config
-    });
+    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+    let peripherals = esp_hal::init(config);
 
     esp_alloc::heap_allocator!(72 * 1024);
 

examples/src/bin/wifi_esp_now.rs

@@ -25,11 +25,8 @@ use esp_wifi::{
 #[entry]
 fn main() -> ! {
     esp_println::logger::init_logger_from_env();
-    let peripherals = esp_hal::init({
-        let mut config = esp_hal::Config::default();
-        config.cpu_clock = CpuClock::max();
-        config
-    });
+    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+    let peripherals = esp_hal::init(config);
 
     esp_alloc::heap_allocator!(72 * 1024);
 

examples/src/bin/wifi_sniffer.rs

@@ -29,11 +29,8 @@ static KNOWN_SSIDS: Mutex<RefCell<BTreeSet<String>>> = Mutex::new(RefCell::new(B
 #[entry]
 fn main() -> ! {
     esp_println::logger::init_logger_from_env();
-    let peripherals = esp_hal::init({
-        let mut config = esp_hal::Config::default();
-        config.cpu_clock = CpuClock::max();
-        config
-    });
+    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+    let peripherals = esp_hal::init(config);
 
     esp_alloc::heap_allocator!(72 * 1024);
 

examples/src/bin/wifi_static_ip.rs

@@ -45,11 +45,8 @@ const GATEWAY_IP: &str = env!("GATEWAY_IP");
 #[entry]
 fn main() -> ! {
     esp_println::logger::init_logger_from_env();
-    let peripherals = esp_hal::init({
-        let mut config = esp_hal::Config::default();
-        config.cpu_clock = CpuClock::max();
-        config
-    });
+    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+    let peripherals = esp_hal::init(config);
 
     esp_alloc::heap_allocator!(72 * 1024);
 

hil-test/tests/aes.rs

@@ -22,11 +22,8 @@ mod tests {
 
     #[init]
     fn init() -> Context<'static> {
-        let peripherals = esp_hal::init({
-            let mut config = esp_hal::Config::default();
-            config.cpu_clock = CpuClock::max();
-            config
-        });
+        let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+        let peripherals = esp_hal::init(config);
         let aes = Aes::new(peripherals.AES);
 
         Context { aes }

hil-test/tests/ecc.rs

@@ -54,11 +54,8 @@ mod tests {
 
     #[init]
     fn init() -> Context<'static> {
-        let peripherals = esp_hal::init({
-            let mut config = esp_hal::Config::default();
-            config.cpu_clock = CpuClock::max();
-            config
-        });
+        let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+        let peripherals = esp_hal::init(config);
 
         let ecc = Ecc::new(peripherals.ECC);
         let rng = Rng::new(peripherals.RNG);

hil-test/tests/esp_wifi_floats.rs

@@ -58,11 +58,8 @@ mod tests {
     fn test_init() -> Peripherals {
         esp_alloc::heap_allocator!(72 * 1024);
 
-        esp_hal::init({
-            let mut config = esp_hal::Config::default();
-            config.cpu_clock = CpuClock::max();
-            config
-        })
+        let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+        esp_hal::init(config)
     }
 
     #[test]

hil-test/tests/interrupt.rs

@@ -64,11 +64,8 @@ mod tests {
 
     #[init]
     fn init() -> Context {
-        let peripherals = esp_hal::init({
-            let mut config = esp_hal::Config::default();
-            config.cpu_clock = CpuClock::max();
-            config
-        });
+        let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+        let peripherals = esp_hal::init(config);
         let sw_ints = SoftwareInterruptControl::new(peripherals.SW_INTERRUPT);
 
         cfg_if::cfg_if! {

hil-test/tests/sha.rs

@@ -169,8 +169,7 @@ mod tests {
                 // FIXME: max speed fails...?
                 let config = esp_hal::Config::default();
             } else {
-                let mut config = esp_hal::Config::default();
-                config.cpu_clock = CpuClock::max();
+                let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
             }
         }
 

qa-test/src/bin/embassy_executor_benchmark.rs

@@ -55,11 +55,8 @@ static TASK1: TaskStorage<Task1> = TaskStorage::new();
 
 #[esp_hal_embassy::main]
 async fn main(spawner: Spawner) {
-    let peripherals = esp_hal::init({
-        let mut config = esp_hal::Config::default();
-        config.cpu_clock = CLOCK;
-        config
-    });
+    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
+    let peripherals = esp_hal::init(config);
     let systimer = SystemTimer::new(peripherals.SYSTIMER);
     esp_hal_embassy::init(systimer.alarm0);
     println!("Embassy initialized!");