sambuc/cortex-m-quickstart
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bump the cortex-m-rt to v0.4.0

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This commit is contained in:
Jorge Aparicio
2018-04-23 23:20:02 +02:00
parent 6f62705eaf
commit 2cd4ea31e5
23 changed files with 254 additions and 164 deletions
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30
src/lib.rs
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@@ -3,10 +3,10 @@
//! # Dependencies
//!
//! - Nightly Rust toolchain newer than `nightly-2018-04-08`: `rustup default nightly`
//! - ARM linker: `sudo apt-get install binutils-arm-none-eabi` (on Ubuntu)
//! - Cargo `clone` subcommand: `cargo install cargo-clone`
//! - GDB: `sudo apt-get install gdb-arm-none-eabi` (on Ubuntu)
//! - OpenOCD: `sudo apt-get install OpenOCD` (on Ubuntu)
//! - [Optional] ARM linker: `sudo apt-get install binutils-arm-none-eabi` (on Ubuntu)
//! - [Optional] Cargo `add` subcommand: `cargo install cargo-edit`
//!
//! # Usage
@@ -47,13 +47,14 @@
//! files.
//!
//! ``` text
//! $ edit memory.x && cat $_
//! $ cat >memory.x <<'EOF'
//! MEMORY
//! {
//! /* NOTE K = KiBi = 1024 bytes */
//! FLASH : ORIGIN = 0x08000000, LENGTH = 256K
//! RAM : ORIGIN = 0x20000000, LENGTH = 40K
//! }
//! EOF
//! ```
//!
//! 5) Optionally, set a default build target
@@ -87,7 +88,6 @@
//! 8) Build the application
//!
//! ``` text
//! $ # NOTE this command requires `arm-none-eabi-ld` to be in $PATH
//! $ cargo build --release
//!
//! $ # sanity check
@@ -113,6 +113,26 @@
//! Tag_ABI_FP_16bit_format: IEEE 754
//! ```
//!
//! **NOTE** By default Cargo will use the LLD linker shipped with the Rust toolchain. If you
//! encounter any linking error try to switch to the GNU linker by modifying the `.cargo/config`
//! file as shown below:
//!
//! ``` text
//! runner = 'arm-none-eabi-gdb'
//! rustflags = [
//! "-C", "link-arg=-Tlink.x",
//! - "-C", "linker=lld",
//! - "-Z", "linker-flavor=ld.lld",
//! - # "-C", "linker=arm-none-eabi-ld",
//! - # "-Z", "linker-flavor=ld",
//! + # "-C", "linker=lld",
//! + # "-Z", "linker-flavor=ld.lld",
//! + "-C", "linker=arm-none-eabi-ld",
//! + "-Z", "linker-flavor=ld",
//! "-Z", "thinlto=no",
//! ]
//! ```
//!
//! 9) Flash the program
//!
//! ``` text
@@ -165,7 +185,7 @@
//! Compiling demo v0.1.0 (file:///home/japaric/tmp/demo)
//! error: linking with `arm-none-eabi-ld` failed: exit code: 1
//! |
//! = note: "arm-none-eabi-ld" "-L" (..)
//! = note: "lld" "-L" (..)
//! = note: arm-none-eabi-ld: address 0xbaaab838 of hello section `.text' is ..
//! arm-none-eabi-ld: address 0xbaaab838 of hello section `.text' is ..
//! arm-none-eabi-ld:
@@ -184,7 +204,7 @@
//! ``` text
//! $ cargo build
//! (..)
//! Compiling cortex-m-semihosting v0.1.3
//! Compiling cortex-m-semihosting v0.2.0
//! error[E0463]: can't find crate for `std`
//!
//! error: aborting due to previous error