ci: don't install cargo-edit

ci/install.sh

@@ -2,8 +2,6 @@ set -euxo pipefail
 
 main() {
     rustup target add $TARGET
-
-    cargo install cargo-edit || true
 }
 
 main

ci/script.sh

@@ -17,9 +17,7 @@ EOF
 
     local examples=(
         crash
-        # device
         hello
-        itm
         override-exception-handler
         panic
     )
@@ -28,13 +26,29 @@ EOF
         cargo build --target $TARGET --example $ex --release
     done
 
-    cargo add alloc-cortex-m
+    # ITM is not available on Cortex-M0
+    if [ $TARGET != thumbv6m-none-eabi ]; then
+        local ex=itm
+        cargo build --target $TARGET --example $ex
+        cargo build --target $TARGET --example $ex --release
 
-    cargo build --target $TARGET --example allocator
-    cargo build --target $TARGET --example allocator --release
+        examples+=( $ex )
 
-    examples+=( allocator )
+    fi
 
+    # Allocator example needs an extra dependency
+    cat >>Cargo.toml <<'EOF'
+[dependencies.alloc-cortex-m]
+version = "0.3.3"
+EOF
+
+    local ex=allocator
+    cargo build --target $TARGET --example $ex
+    cargo build --target $TARGET --example $ex --release
+
+    examples+=( $ex )
+
+    # Device example needs an extra dependency
     if [ $TARGET = thumbv7m-none-eabi ]; then
         cat >>Cargo.toml <<'EOF'
 [dependencies.stm32f103xx]
@@ -42,10 +56,11 @@ features = ["rt"]
 version = "0.9.0"
 EOF
 
-        cargo build --target $TARGET --example device
-        cargo build --target $TARGET --example device --release
+        local ex=device
+        cargo build --target $TARGET --example $ex
+        cargo build --target $TARGET --example $ex --release
 
-        examples+=( device )
+        examples+=( $ex )
     fi
 
     IFS=,;eval arm-none-eabi-size target/$TARGET/release/examples/"{${examples[*]}}"

examples/itm.rs

@@ -18,7 +18,7 @@
 #[macro_use]
 extern crate cortex_m;
 extern crate cortex_m_rt;
-extern crate panic_itm; // panicking behavior
+extern crate panic_abort; // panicking behavior
 
 use cortex_m::{asm, Peripherals};
 
@@ -27,9 +27,6 @@ fn main() {
     let mut itm = p.ITM;
 
     iprintln!(&mut itm.stim[0], "Hello, world!");
-
-    // Also prints the panic message to the ITM
-    panic!("Oops");
 }
 
 // As we are not using interrupts, we just register a dummy catch all handler

src/examples/_1_itm.rs

@@ -20,7 +20,7 @@
 //! #[macro_use]
 //! extern crate cortex_m;
 //! extern crate cortex_m_rt;
-//! extern crate panic_itm; // panicking behavior
+//! extern crate panic_abort; // panicking behavior
 //! 
 //! use cortex_m::{asm, Peripherals};
 //! 
@@ -29,9 +29,6 @@
 //!     let mut itm = p.ITM;
 //! 
 //!     iprintln!(&mut itm.stim[0], "Hello, world!");
-//! 
-//!     // Also prints the panic message to the ITM
-//!     panic!("Oops");
 //! }
 //! 
 //! // As we are not using interrupts, we just register a dummy catch all handler