Check clippy::large_stack_frames (blocked on next release)

CHANGELOG.md

@@ -9,6 +9,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+- Enable https://rust-lang.github.io/rust-clippy/master/index.html#large_stack_frames with a threshold of 1024 (#241)
+
 ### Changed
 
 ### Fixed

template/.clippy.toml

@@ -0,0 +1 @@
+stack-size-threshold = 1024

template/src/bin/async_main.rs

@@ -7,6 +7,7 @@
     reason = "mem::forget is generally not safe to do with esp_hal types, especially those \
     holding buffers for the duration of a data transfer."
 )]
+#![deny(clippy::large_stack_frames)]
 
 use esp_hal::clock::CpuClock;
 use esp_hal::timer::timg::TimerGroup;
@@ -57,6 +58,10 @@ const L2CAP_CHANNELS_MAX: usize = 1;
 // For more information see: <https://docs.espressif.com/projects/esp-idf/en/stable/esp32/api-reference/system/app_image_format.html#application-description>
 esp_bootloader_esp_idf::esp_app_desc!();
 
+#[allow(
+    clippy::large_stack_frames,
+    reason = "it's not unusual to allocate larger buffers etc. in main"
+)]
 #[esp_rtos::main]
 async fn main(spawner: Spawner) -> ! {
     //REPLACE generate-version generate-version
@@ -110,7 +115,7 @@ async fn main(spawner: Spawner) -> ! {
     //IF option("ble-trouble")
     // find more examples https://github.com/embassy-rs/trouble/tree/main/examples/esp32
     let transport = BleConnector::new(&radio_init, peripherals.BT, Default::default()).unwrap();
-    let ble_controller = ExternalController::<_, 20>::new(transport);
+    let ble_controller = ExternalController::<_, 1>::new(transport);
     let mut resources: HostResources<DefaultPacketPool, CONNECTIONS_MAX, L2CAP_CHANNELS_MAX> =
         HostResources::new();
     let _stack = trouble_host::new(ble_controller, &mut resources);

template/src/bin/main.rs

@@ -6,6 +6,7 @@
     reason = "mem::forget is generally not safe to do with esp_hal types, especially those \
     holding buffers for the duration of a data transfer."
 )]
+#![deny(clippy::large_stack_frames)]
 
 use esp_hal::{
     clock::CpuClock,
@@ -49,6 +50,10 @@ extern crate alloc;
 // For more information see: <https://docs.espressif.com/projects/esp-idf/en/stable/esp32/api-reference/system/app_image_format.html#application-description>
 esp_bootloader_esp_idf::esp_app_desc!();
 
+#[allow(
+    clippy::large_stack_frames,
+    reason = "it's not unusual to allocate larger buffers etc. in main"
+)]
 #[main]
 fn main() -> ! {
     //REPLACE generate-version generate-version