chore: replace deprecated bare-metal with critical-section

Author: Ddystopia

book/en/src/by-example/app_init.md

@@ -5,7 +5,7 @@ signature `fn(init::Context) -> (Shared, Local)`, where `Shared` and `Local` are
 
 The `init` task executes after system reset, [after an optionally defined `pre-init` code section][^pre-init] and an always occurring internal RTIC initialization.
 
-The `init` and optional `pre-init` tasks runs _with interrupts disabled_ and have exclusive access to Cortex-M (the `bare_metal::CriticalSection` token is available as `cs`).
+The `init` and optional `pre-init` tasks runs _with interrupts disabled_ and have exclusive access to Cortex-M (the `critical_section::CriticalSection` token is available as `cs`).
 
 Device specific peripherals are available through the `core` and `device` fields of `init::Context`.
 

examples/lm3s6965/Cargo.lock

@@ -12,7 +12,6 @@ edition = "2021"
 heapless = "0.8"
 lm3s6965 = "0.2"
 cortex-m = "0.7.0"
-bare-metal = "1.0.0"
 cortex-m-semihosting = "0.5.0"
 rtic-time = { path = "../../rtic-time" }
 rtic-sync = { path = "../../rtic-sync" }

examples/lm3s6965/Cargo.toml

@@ -31,7 +31,7 @@ mod app {
 
         // Access to the critical section token,
         // to indicate that this is a critical section
-        let _cs_token: bare_metal::CriticalSection = cx.cs;
+        let _cs_token: rtic::export::CriticalSection = cx.cs;
 
         hprintln!("init");
 

examples/lm3s6965/examples/init.rs

@@ -30,7 +30,6 @@ esp32c3 = { version = "0.30.0", optional = true }
 esp32c6 = { version = "0.21.0", optional = true }
 riscv = { version = "0.15.0", optional = true }
 cortex-m = { version = "0.7.0", optional = true }
-bare-metal = "1.0.0"
 portable-atomic = { version = "1", default-features = false }
 rtic-macros = { path = "../rtic-macros", version = "=2.2.0" }
 rtic-core = "1"

rtic/Cargo.toml

@@ -1,4 +1,4 @@
-pub use bare_metal::CriticalSection;
+pub use critical_section::CriticalSection;
 pub use portable_atomic as atomic;
 
 pub mod executor;