Merge pull request #4 from robamu-org/mueller/utility-files

added utility files

.cargo/config.toml

@@ -0,0 +1,36 @@
+[target.'cfg(all(target_arch = "arm", target_os = "none"))']
+# uncomment ONE of these three option to make `cargo run` start a GDB session
+# which option to pick depends on your system
+# runner = "arm-none-eabi-gdb -q -x jlink.gdb"
+# runner = "gdb-multiarch -q -x jlink.gdb"
+# runner = "gdb -q -x openocd.gdb"
+
+rustflags = [
+  # This is needed if your flash or ram addresses are not aligned to 0x10000 in memory.x
+  # See https://github.com/rust-embedded/cortex-m-quickstart/pull/95
+  "-C", "link-arg=--nmagic",
+
+  # LLD (shipped with the Rust toolchain) is used as the default linker
+  "-C", "link-arg=-Tlink.x",
+
+  # if you run into problems with LLD switch to the GNU linker by commenting out
+  # this line
+  # "-C", "linker=arm-none-eabi-ld",
+
+  # if you need to link to pre-compiled C libraries provided by a C toolchain
+  # use GCC as the linker by commenting out both lines above and then
+  # uncommenting the three lines below
+  # "-C", "linker=arm-none-eabi-gcc",
+  # "-C", "link-arg=-Wl,-Tlink.x",
+  # "-C", "link-arg=-nostartfiles",
+]
+
+[build]
+# Pick ONE of these compilation targets
+target = "thumbv6m-none-eabi"        # Cortex-M0 and Cortex-M0+
+# target = "thumbv7m-none-eabi"        # Cortex-M3
+# target = "thumbv7em-none-eabi"       # Cortex-M4 and Cortex-M7 (no FPU)
+# target = "thumbv7em-none-eabihf"     # Cortex-M4F and Cortex-M7F (with FPU)
+# target = "thumbv8m.base-none-eabi"   # Cortex-M23
+# target = "thumbv8m.main-none-eabi"   # Cortex-M33 (no FPU)
+# target = "thumbv8m.main-none-eabihf" # Cortex-M33 (with FPU)

.github/workflows/ci.yml

@@ -12,10 +12,13 @@ jobs:
         with:
           profile: minimal
           toolchain: stable
+          target: thumbv6m-none-eabi
           override: true
       - uses: actions-rs/cargo@v1
         with:
+          use-cross: true
           command: check
+          args: --target thumbv6m-none-eabi
 
   fmt:
     name: Rustfmt
@@ -42,12 +45,14 @@ jobs:
         with:
           profile: minimal
           toolchain: stable
+          target: thumbv6m-none-eabi
           override: true
       - run: rustup component add clippy
       - uses: actions-rs/cargo@v1
         with:
+          use-cross: true
           command: clippy
-          args: -- -D warnings
+          args: --target thumbv6m-none-eabi -- -D warnings
 
   ci:
       if: ${{ success() }}

.gitignore

@@ -2,5 +2,8 @@
 # will have compiled files and executables
 /target/
 
+# https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
+Cargo.lock
+
 # These are backup files generated by rustfmt
 **/*.rs.bk

jlink.gdb

@@ -0,0 +1,10 @@
+target remote localhost:2331
+
+monitor reset
+
+# *try* to stop at the user entry point (it might be gone due to inlining)
+break main
+
+load
+
+continue

memory.x

@@ -0,0 +1,10 @@
+MEMORY
+{
+	FLASH : ORIGIN = 0x00000000, LENGTH = 0x20000 /* 128K */
+	RAM : ORIGIN = 0x10000000, LENGTH = 0x08000 /* 32K */
+}
+
+/* This is where the call stack will be allocated. */
+/* The stack is of the full descending type. */
+/* NOTE Do NOT modify `_stack_start` unless you know what you are doing */
+_stack_start = ORIGIN(RAM) + LENGTH(RAM);