diff --git a/docs/modules/ROOT/examples/basic/Cargo.toml b/docs/modules/ROOT/examples/basic/Cargo.toml index c13f546e..d9f8a285 100644 --- a/docs/modules/ROOT/examples/basic/Cargo.toml +++ b/docs/modules/ROOT/examples/basic/Cargo.toml @@ -6,14 +6,13 @@ version = "0.1.0" license = "MIT OR Apache-2.0" [dependencies] -embassy-executor = { version = "0.1.0", path = "../../../../../embassy-executor", features = ["defmt", "nightly"] } +embassy-executor = { version = "0.1.0", path = "../../../../../embassy-executor", features = ["defmt", "nightly", "integrated-timers"] } embassy-time = { version = "0.1.0", path = "../../../../../embassy-time", features = ["defmt", "nightly"] } embassy-nrf = { version = "0.1.0", path = "../../../../../embassy-nrf", features = ["defmt", "nrf52840", "time-driver-rtc1", "gpiote", "nightly"] } defmt = "0.3" defmt-rtt = "0.3" -cortex-m = "0.7.3" +cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] } cortex-m-rt = "0.7.0" -embedded-hal = "0.2.6" panic-probe = { version = "0.3", features = ["print-defmt"] } diff --git a/docs/modules/ROOT/examples/basic/build.rs b/docs/modules/ROOT/examples/basic/build.rs new file mode 100644 index 00000000..30691aa9 --- /dev/null +++ b/docs/modules/ROOT/examples/basic/build.rs @@ -0,0 +1,35 @@ +//! This build script copies the `memory.x` file from the crate root into +//! a directory where the linker can always find it at build time. +//! For many projects this is optional, as the linker always searches the +//! project root directory -- wherever `Cargo.toml` is. However, if you +//! are using a workspace or have a more complicated build setup, this +//! build script becomes required. Additionally, by requesting that +//! Cargo re-run the build script whenever `memory.x` is changed, +//! updating `memory.x` ensures a rebuild of the application with the +//! new memory settings. + +use std::env; +use std::fs::File; +use std::io::Write; +use std::path::PathBuf; + +fn main() { + // Put `memory.x` in our output directory and ensure it's + // on the linker search path. + let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap()); + File::create(out.join("memory.x")) + .unwrap() + .write_all(include_bytes!("memory.x")) + .unwrap(); + println!("cargo:rustc-link-search={}", out.display()); + + // By default, Cargo will re-run a build script whenever + // any file in the project changes. By specifying `memory.x` + // here, we ensure the build script is only re-run when + // `memory.x` is changed. + println!("cargo:rerun-if-changed=memory.x"); + + println!("cargo:rustc-link-arg-bins=--nmagic"); + println!("cargo:rustc-link-arg-bins=-Tlink.x"); + println!("cargo:rustc-link-arg-bins=-Tdefmt.x"); +} diff --git a/docs/modules/ROOT/examples/basic/memory.x b/docs/modules/ROOT/examples/basic/memory.x new file mode 100644 index 00000000..9b04edec --- /dev/null +++ b/docs/modules/ROOT/examples/basic/memory.x @@ -0,0 +1,7 @@ +MEMORY +{ + /* NOTE 1 K = 1 KiBi = 1024 bytes */ + /* These values correspond to the NRF52840 with Softdevices S140 7.0.1 */ + FLASH : ORIGIN = 0x00000000, LENGTH = 1024K + RAM : ORIGIN = 0x20000000, LENGTH = 256K +}