Re-add feature gate for software_interrupt3

Author: bugadani

esp-hal-embassy/Cargo.toml

@@ -17,7 +17,7 @@ defmt = { version = "0.3.8", optional = true }
 document-features = "0.2.10"
 embassy-executor = { version = "0.6.0", optional = true }
 embassy-time-driver = { version = "0.1.0", features = [ "tick-hz-1_000_000" ] }
-esp-hal = { version = "0.19.0", path = "../esp-hal" }
+esp-hal = { version = "0.19.0", path = "../esp-hal", features = ["__esp_hal_embassy"] }
 log = { version = "0.4.22", optional = true }
 macros = { version = "0.12.0", features = ["embassy"], package = "esp-hal-procmacros", path = "../esp-hal-procmacros" }
 portable-atomic = "1.6.0"

esp-hal/CHANGELOG.md

@@ -44,6 +44,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - We should no longer generate 1GB .elf files for ESP32C2 and ESP32C3 (#1962)
 - Reset peripherals in driver constructors where missing (#1893, #1961)
 - Fixed ESP32-S2 systimer interrupts (#1979)
+- Software interrupt 3 is no longer available when it is required by `esp-hal-embassy`. (#2011)
 
 ### Removed
 

esp-hal/Cargo.toml

@@ -85,6 +85,8 @@ bluetooth = []
 
 usb-otg = ["esp-synopsys-usb-otg", "usb-device"]
 
+__esp_hal_embassy = []
+
 ## Enable debug features in the HAL (used for development).
 debug = [
  "esp32?/impl-register-debug",

esp-hal/src/system.rs

@@ -292,9 +292,10 @@ impl<const NUM: u8> InterruptConfigurable for SoftwareInterrupt<NUM> {
 #[cfg_attr(
  multi_core,
  doc = r#"
+
 Please note: Software interrupt 3 is reserved
-for inter-processor communication when the `embassy`
-feature is enabled."#
+for inter-processor communication when using
+`esp-hal-embassy`."#
 )]
 #[non_exhaustive]
 pub struct SoftwareInterruptControl {
@@ -304,7 +305,9 @@ pub struct SoftwareInterruptControl {
  pub software_interrupt1: SoftwareInterrupt<1>,
  /// Software interrupt 2.
  pub software_interrupt2: SoftwareInterrupt<2>,
- /// Software interrupt 3.
+ #[cfg(not(all(feature = "__esp_hal_embassy", multi_core)))]
+ /// Software interrupt 3. Only available when not using `esp-hal-embassy`,
+ /// or on single-core systems.
  pub software_interrupt3: SoftwareInterrupt<3>,
 }
 
@@ -314,6 +317,7 @@ impl SoftwareInterruptControl {
  software_interrupt0: SoftwareInterrupt {},
  software_interrupt1: SoftwareInterrupt {},
  software_interrupt2: SoftwareInterrupt {},
+ #[cfg(not(all(feature = "__esp_hal_embassy", multi_core)))]
  software_interrupt3: SoftwareInterrupt {},
  }
  }