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shell/democommands: Add example Rust module

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This commit is contained in:
chrysn 2022-06-11 02:05:48 +02:00
parent 841e4deee5
commit ebfa6f61d6
7 changed files with 45 additions and 0 deletions
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3
makefiles/cargo-targets.inc.mk
View File

@ -13,6 +13,9 @@ CARGO_COMPILE_COMMANDS_FLAGS = --clang
ifneq (,$(filter lsm303agr,$(USEMODULE)))
CARGO_OPTIONS += --features rust_riotmodules/riot-module-lsm303agr
endif
ifneq (,$(filter shell_democommands,$(USEMODULE)))
CARGO_OPTIONS += --features rust_riotmodules/riot-module-shell-democommands
endif
# This is duplicating the compile-commands rule because unlike in the use case
# when a $(RIOTBASE)/compile_commands.json is built, we *want* this to be

5
sys/Makefile.dep
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@ -338,6 +338,11 @@ ifneq (,$(filter shell_commands,$(USEMODULE)))
endif
endif
ifneq (,$(filter shell_democommands,$(USEMODULE)))
USEMODULE += rust_riotmodules
USEMODULE += shell
endif
ifneq (,$(filter md5sum sha1sum sha256sum,$(USEMODULE)))
USEMODULE += vfs_util
USEMODULE += hashes

2
sys/Makefile.include
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@ -160,6 +160,8 @@ ifneq (,$(filter shell_lock,$(USEMODULE)))
include $(RIOTBASE)/sys/shell_lock/Makefile.include
endif
PSEUDOMODULES += shell_democommands
ifneq (,$(filter rust_riotmodules,$(USEMODULE)))
include $(RIOTBASE)/sys/rust_riotmodules/Makefile.include
endif

1
sys/rust_riotmodules/Cargo.toml
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@ -11,3 +11,4 @@ publish = false
# autogenerated (or at least automatically checked for consistency).
riot-module-lsm303agr = { path = "../../drivers/lsm303agr", optional = true }
riot-module-shell-democommands = { path = "../../sys/shell/democommands", optional = true }

3
sys/rust_riotmodules/src/lib.rs
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@ -8,3 +8,6 @@
#[cfg(feature = "riot-module-lsm303agr")]
extern crate riot_module_lsm303agr;
#[cfg(feature = "riot-module-shell-democommands")]
extern crate riot_module_shell_democommands;

14
sys/shell/democommands/Cargo.toml Normal file
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@ -0,0 +1,14 @@
[package]
name = "riot-module-shell-democommands"
version = "0.1.0"
edition = "2021"
authors = ["Christian Amsüss <chrysn@fsfe.org>"]
license = "LGPL-2.1-only"
# Shipped with RIOT-OS; this has no external API that would make
# sense to consume in any context than from within RIOT
publish = false
[dependencies]
riot-wrappers = "^0.7.17"

17
sys/shell/democommands/src/lib.rs Normal file
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@ -0,0 +1,17 @@
#![no_std]
use riot_wrappers::println;
use core::fmt::Write;
riot_wrappers::static_command!(static_hello_world, "hello_world", "Print a greeting", hello_world);
pub fn hello_world<'a>(_w: &mut impl Write, args: impl IntoIterator<Item=&'a str>) {
let mut args = args.into_iter();
let commandname = args.next().expect("How was this started without an argv[0]?");
match args.next() {
Some("--help") => println!("Usage: {commandname}"),
None => println!("Hello RIOT!"),
_ => println!("Invalid argument."),
};
}