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Use cargo feature instead of conditional compilation hacks

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This commit is contained in:
Henrik Tjäder 2020-06-10 12:07:23 +00:00
parent 0b3cc87f2d
commit 5f61f7b75f
4 changed files with 40 additions and 29 deletions
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52
examples/t-cfg-resources.rs
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@ -5,36 +5,32 @@
use panic_halt as _;
#[cfg(rustc_is_nightly)]
mod example {
#[rtfm::app(device = lm3s6965)]
const APP: () = {
struct Resources {
// A resource
#[init(0)]
shared: u32,
#[rtfm::app(device = lm3s6965)]
const APP: () = {
struct Resources {
// A resource
#[init(0)]
shared: u32,
// A conditionally compiled resource behind feature_x
#[cfg(feature = "feature_x")]
x: u32,
// A conditionally compiled resource behind feature_x
dummy: (),
}
#[init]
fn init(_: init::Context) -> init::LateResources {
init::LateResources {
// The feature needs to be applied everywhere x is defined or used
#[cfg(feature = "feature_x")]
x: u32,
dummy: (),
x: 0,
dummy: (), // dummy such that we have at least one late resource
}
}
#[init]
fn init(_: init::Context) -> init::LateResources {
init::LateResources {
// The feature needs to be applied everywhere x is defined or used
#[cfg(feature = "feature_x")]
x: 0,
dummy: (), // dummy such that we have at least one late resource
}
}
#[idle]
fn idle(_cx: idle::Context) -> ! {
loop {}
}
};
}
#[idle]
fn idle(_cx: idle::Context) -> ! {
loop {}
}
};