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stm32: add time-driver-any cargo feature that automatically picks one available timer.

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This commit is contained in:
Dario Nieuwenhuis 2022-01-24 00:24:23 +01:00
parent 6b0cb0609b
commit 79f60adbfb
16 changed files with 88 additions and 26 deletions
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3
embassy-stm32/Cargo.toml
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@ -28,9 +28,7 @@ stm32-metapac = { version = "0.1.0", path = "../stm32-metapac", features = ["rt"
vcell = { version = "0.1.3", optional = true }
bxcan = "0.6.2"
nb = "1.0.0"
seq-macro = "0.2.2"
cfg-if = "1.0.0"
[build-dependencies]
@ -46,6 +44,7 @@ exti = []
# Features starting with `_` are for internal use only. They're not intended
# to be enabled by other crates, and are not covered by semver guarantees.
_time-driver = ["embassy/time-tick-32768hz"]
time-driver-any = ["_time-driver"]
time-driver-tim2 = ["_time-driver"]
time-driver-tim3 = ["_time-driver"]

77
embassy-stm32/build.rs
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@ -4,13 +4,18 @@ use std::fs;
use std::path::PathBuf;
fn main() {
let chip_name = env::vars_os()
.map(|(a, _)| a.to_string_lossy().to_string())
.find(|x| x.starts_with("CARGO_FEATURE_STM32"))
.expect("No stm32xx Cargo feature enabled")
.strip_prefix("CARGO_FEATURE_")
.unwrap()
.to_ascii_lowercase();
let chip_name = match env::vars()
.map(|(a, _)| a)
.filter(|x| x.starts_with("CARGO_FEATURE_STM32"))
.get_one()
{
Ok(x) => x,
Err(GetOneError::None) => panic!("No stm32xx Cargo feature enabled"),
Err(GetOneError::Multiple) => panic!("Multiple stm32xx Cargo features enabled"),
}
.strip_prefix("CARGO_FEATURE_")
.unwrap()
.to_ascii_lowercase();
struct Peripheral {
kind: String,
@ -120,5 +125,63 @@ fn main() {
println!("cargo:rustc-cfg={}", &chip_name[..chip_name.len() - 2]);
}
// ========
// Handle time-driver-XXXX features.
let time_driver = match env::vars()
.map(|(a, _)| a)
.filter(|x| x.starts_with("CARGO_FEATURE_TIME_DRIVER_"))
.get_one()
{
Ok(x) => Some(
x.strip_prefix("CARGO_FEATURE_TIME_DRIVER_")
.unwrap()
.to_ascii_lowercase(),
),
Err(GetOneError::None) => None,
Err(GetOneError::Multiple) => panic!("Multiple stm32xx Cargo features enabled"),
};
match time_driver.as_ref().map(|x| x.as_ref()) {
None => {}
Some("tim2") => println!("cargo:rustc-cfg=time_driver_tim2"),
Some("tim3") => println!("cargo:rustc-cfg=time_driver_tim3"),
Some("any") => {
if singletons.contains(&"TIM2".to_string()) {
println!("cargo:rustc-cfg=time_driver_tim2");
} else if singletons.contains(&"TIM3".to_string()) {
println!("cargo:rustc-cfg=time_driver_tim3");
} else {
panic!("time-driver-any requested, but the chip doesn't have TIM2 or TIM3.")
}
}
_ => panic!("unknown time_driver {:?}", time_driver),
}
// Handle time-driver-XXXX features.
if env::var("CARGO_FEATURE_TIME_DRIVER_ANY").is_ok() {}
println!("cargo:rustc-cfg={}", &chip_name[..chip_name.len() - 2]);
println!("cargo:rerun-if-changed=build.rs");
}
enum GetOneError {
None,
Multiple,
}
trait IteratorExt: Iterator {
fn get_one(self) -> Result<Self::Item, GetOneError>;
}
impl<T: Iterator> IteratorExt for T {
fn get_one(mut self) -> Result<Self::Item, GetOneError> {
match self.next() {
None => Err(GetOneError::None),
Some(res) => match self.next() {
Some(_) => Err(GetOneError::Multiple),
None => Ok(res),
},
}
}
}

8
embassy-stm32/src/time_driver.rs
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@ -18,17 +18,17 @@ use self::sealed::Instance as _;
const ALARM_COUNT: usize = 3;
#[cfg(feature = "time-driver-tim2")]
#[cfg(time_driver_tim2)]
type T = peripherals::TIM2;
#[cfg(feature = "time-driver-tim3")]
#[cfg(time_driver_tim3)]
type T = peripherals::TIM3;
#[cfg(feature = "time-driver-tim2")]
#[cfg(time_driver_tim2)]
#[interrupt]
fn TIM2() {
DRIVER.on_interrupt()
}
#[cfg(feature = "time-driver-tim3")]
#[cfg(time_driver_tim3)]
#[interrupt]
fn TIM3() {
DRIVER.on_interrupt()

2
examples/stm32f0/Cargo.toml
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@ -14,5 +14,5 @@ defmt = "0.3"
defmt-rtt = "0.3"
panic-probe = "0.3"
embassy = { path = "../../embassy", features = ["defmt"] }
embassy-stm32 = { path = "../../embassy-stm32", features = ["defmt", "memory-x", "stm32f030f4", "time-driver-tim3"] }
embassy-stm32 = { path = "../../embassy-stm32", features = ["defmt", "memory-x", "stm32f030f4", "time-driver-any"] }

2
examples/stm32f1/Cargo.toml
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@ -8,7 +8,7 @@ resolver = "2"
[dependencies]
embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32f103c8", "unstable-pac", "memory-x", "time-driver-tim2"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32f103c8", "unstable-pac", "memory-x", "time-driver-any"] }
defmt = "0.3"
defmt-rtt = "0.3"

2
examples/stm32f3/Cargo.toml
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@ -8,7 +8,7 @@ resolver = "2"
[dependencies]
embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32f303vc", "unstable-pac", "memory-x", "time-driver-tim2", "exti"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32f303vc", "unstable-pac", "memory-x", "time-driver-any", "exti"] }
defmt = "0.3"
defmt-rtt = "0.3"

2
examples/stm32f4/Cargo.toml
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@ -9,7 +9,7 @@ resolver = "2"
[dependencies]
embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32f429zi", "unstable-pac", "memory-x", "time-driver-tim2", "exti"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32f429zi", "unstable-pac", "memory-x", "time-driver-any", "exti"] }
defmt = "0.3"
defmt-rtt = "0.3"

2
examples/stm32f7/Cargo.toml
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@ -8,7 +8,7 @@ resolver = "2"
[dependencies]
embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "net", "stm32f767zi", "unstable-pac", "time-driver-tim2", "exti"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "net", "stm32f767zi", "unstable-pac", "time-driver-any", "exti"] }
embassy-net = { path = "../../embassy-net", default-features = false, features = ["defmt", "tcp", "medium-ethernet", "pool-16"] }
defmt = "0.3"

2
examples/stm32g0/Cargo.toml
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@ -8,7 +8,7 @@ resolver = "2"
[dependencies]
embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "time-driver-tim2", "stm32g071rb", "memory-x", "unstable-pac", "exti"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "time-driver-any", "stm32g071rb", "memory-x", "unstable-pac", "exti"] }
defmt = "0.3"
defmt-rtt = "0.3"

2
examples/stm32g4/Cargo.toml
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@ -8,7 +8,7 @@ resolver = "2"
[dependencies]
embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "time-driver-tim3", "stm32g491re", "memory-x", "unstable-pac", "exti"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "time-driver-any", "stm32g491re", "memory-x", "unstable-pac", "exti"] }
embassy-hal-common = {version = "0.1.0", path = "../../embassy-hal-common" }
defmt = "0.3"

2
examples/stm32h7/Cargo.toml
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@ -10,7 +10,7 @@ resolver = "2"
[dependencies]
embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32h743zi", "net", "time-driver-tim2", "exti", "unstable-pac"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32h743zi", "net", "time-driver-any", "exti", "unstable-pac"] }
embassy-net = { path = "../../embassy-net", default-features = false, features = ["defmt", "tcp", "medium-ethernet", "pool-16"] }
embassy-hal-common = { path = "../../embassy-hal-common", default-features = false, features = ["defmt"] }

2
examples/stm32l0/Cargo.toml
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@ -8,7 +8,7 @@ resolver = "2"
[dependencies]
embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32l072cz", "time-driver-tim3", "exti", "memory-x"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32l072cz", "time-driver-any", "exti", "memory-x"] }
embassy-lora = { version = "0.1.0", path = "../../embassy-lora", features = ["sx127x", "time", "defmt"] }

2
examples/stm32l1/Cargo.toml
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@ -8,7 +8,7 @@ resolver = "2"
[dependencies]
embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32l151cb-a", "time-driver-tim2", "memory-x"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32l151cb-a", "time-driver-any", "memory-x"] }
defmt = "0.3"
defmt-rtt = "0.3"

2
examples/stm32l4/Cargo.toml
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@ -10,7 +10,7 @@ resolver = "2"
[dependencies]
embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt" ] }
embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "unstable-pac", "stm32l4s5vi", "time-driver-tim2", "exti"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "unstable-pac", "stm32l4s5vi", "time-driver-any", "exti"] }
defmt = "0.3"
defmt-rtt = "0.3"

2
examples/stm32wb55/Cargo.toml
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@ -8,7 +8,7 @@ resolver = "2"
[dependencies]
embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32wb55cc", "time-driver-tim2", "exti"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32wb55cc", "time-driver-any", "exti"] }
defmt = "0.3"
defmt-rtt = "0.3"

2
examples/stm32wl55/Cargo.toml
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@ -8,7 +8,7 @@ resolver = "2"
[dependencies]
embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt"] }
embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32wl55jc-cm4", "time-driver-tim2", "memory-x", "subghz", "unstable-pac", "exti"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32wl55jc-cm4", "time-driver-any", "memory-x", "subghz", "unstable-pac", "exti"] }
embassy-lora = { version = "0.1.0", path = "../../embassy-lora", features = ["stm32wl", "time"] }
lorawan-device = { git = "https://github.com/ivajloip/rust-lorawan.git", rev = "0de1a2a31933f7c97887b5718c1755fa5ab93a42", default-features = false, features = ["async"] }