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stm32/time: add Cargo features to choose tim2/tim3

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This commit is contained in:
Dario Nieuwenhuis 2021-08-04 12:05:22 +02:00
parent 0ea6a2d890
commit b1d631d639
10 changed files with 39 additions and 19 deletions
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8
embassy-stm32/Cargo.toml
View file

@ -6,7 +6,7 @@ edition = "2018"
resolver = "2"
[dependencies]
embassy = { version = "0.1.0", path = "../embassy", features = ["time-tick-32768hz"] }
embassy = { version = "0.1.0", path = "../embassy" }
embassy-macros = { version = "0.1.0", path = "../embassy-macros", features = ["stm32"] }
embassy-hal-common = {version = "0.1.0", path = "../embassy-hal-common" }
embassy-traits = {version = "0.1.0", path = "../embassy-traits" }
@ -44,6 +44,12 @@ sdmmc-rs = ["embedded-sdmmc"]
net = ["embassy-net", "vcell"]
memory-x = ["stm32-metapac/memory-x"]
# 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-tim2 = ["_time-driver"]
time-driver-tim3 = ["_time-driver"]
# Reexport stm32-metapac at `embassy_stm32::pac`.
# This is unstable because semver-minor (non-breaking) releases of embassy-stm32 may major-bump (breaking) the stm32-metapac version.
# If this is an issue for you, you're encouraged to directly depend on a fixed version of the PAC.

2
embassy-stm32/src/lib.rs
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@ -20,6 +20,7 @@ pub mod time;
pub mod dma;
pub mod gpio;
pub mod rcc;
#[cfg(feature = "_time-driver")]
mod time_driver;
// Sometimes-present hardware
@ -88,6 +89,7 @@ pub fn init(config: Config) -> Peripherals {
rcc::init(config.rcc);
// must be after rcc init
#[cfg(feature = "_time-driver")]
time_driver::init();
}

20
embassy-stm32/src/time_driver.rs
View file

@ -17,8 +17,23 @@ use crate::rcc::sealed::RccPeripheral;
use self::sealed::Instance as _;
const ALARM_COUNT: usize = 3;
#[cfg(feature = "time-driver-tim2")]
type T = peripherals::TIM2;
#[cfg(feature = "time-driver-tim3")]
type T = peripherals::TIM3;
#[cfg(feature = "time-driver-tim2")]
#[interrupt]
fn TIM2() {
STATE.on_interrupt()
}
#[cfg(feature = "time-driver-tim3")]
#[interrupt]
fn TIM3() {
STATE.on_interrupt()
}
// Clock timekeeping works with something we call "periods", which are time intervals
// of 2^15 ticks. The Clock counter value is 16 bits, so one "overflow cycle" is 2 periods.
//
@ -275,11 +290,6 @@ impl Driver for RtcDriver {
}
}
#[interrupt]
fn TIM3() {
STATE.on_interrupt()
}
pub(crate) fn init() {
STATE.init()
}

2
examples/stm32f0/Cargo.toml
View file

@ -15,7 +15,7 @@ defmt-rtt = "0.2.0"
panic-probe = { version = "0.2.0" }
rtt-target = { version = "0.3", features = ["cortex-m"] }
embassy = { path = "../../embassy", features = ["defmt"] }
embassy-stm32 = { path = "../../embassy-stm32", features = ["defmt", "stm32f030f4"] }
embassy-stm32 = { path = "../../embassy-stm32", features = ["defmt", "stm32f030f4", "time-driver-tim3"] }
[features]
default = [

2
examples/stm32f4/Cargo.toml
View file

@ -19,7 +19,7 @@ defmt-error = []
[dependencies]
embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-trace"] }
embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "defmt-trace", "stm32f429zi", "unstable-pac", "memory-x"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "defmt-trace", "stm32f429zi", "unstable-pac", "memory-x", "time-driver-tim2"] }
embassy-hal-common = {version = "0.1.0", path = "../../embassy-hal-common" }
defmt = "0.2.0"

2
examples/stm32h7/Cargo.toml
View file

@ -19,7 +19,7 @@ defmt-error = []
[dependencies]
embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-trace"] }
embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "defmt-trace", "stm32h743zi", "net", "memory-x"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "defmt-trace", "stm32h743zi", "net", "memory-x", "time-driver-tim2"] }
embassy-hal-common = {version = "0.1.0", path = "../../embassy-hal-common" }
embassy-net = { path = "../../embassy-net", default-features = false, features = ["defmt-debug", "defmt", "tcp", "medium-ethernet", "pool-16"] }
stm32-metapac = { path = "../../stm32-metapac", features = ["stm32h743zi"] }

2
examples/stm32l0/Cargo.toml
View file

@ -19,7 +19,7 @@ defmt-error = []
[dependencies]
embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-trace"] }
embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "defmt-trace", "stm32l072cz"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "defmt-trace", "stm32l072cz", "time-driver-tim3"] }
embassy-hal-common = {version = "0.1.0", path = "../../embassy-hal-common" }
defmt = "0.2.0"

2
examples/stm32l4/Cargo.toml
View file

@ -19,7 +19,7 @@ defmt-error = []
[dependencies]
embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-trace"] }
embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "defmt-trace", "unstable-pac", "stm32l4s5vi"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "defmt-trace", "unstable-pac", "stm32l4s5vi", "time-driver-tim2"] }
embassy-hal-common = {version = "0.1.0", path = "../../embassy-hal-common" }
defmt = "0.2.0"

2
examples/stm32wb55/Cargo.toml
View file

@ -19,7 +19,7 @@ defmt-error = []
[dependencies]
embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-trace"] }
embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "defmt-trace", "stm32wb55cc"] }
embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "defmt-trace", "stm32wb55cc", "time-driver-tim2"] }
embassy-hal-common = {version = "0.1.0", path = "../../embassy-hal-common" }
defmt = "0.2.0"

16
examples/stm32wb55/src/bin/blinky.rs
View file

@ -6,27 +6,29 @@
#[path = "../example_common.rs"]
mod example_common;
use embassy::executor::Spawner;
use embassy::time::{Duration, Timer};
use embassy_stm32::dbgmcu::Dbgmcu;
use embassy_stm32::gpio::{Level, Output, Speed};
use embassy_stm32::Peripherals;
use embedded_hal::digital::v2::OutputPin;
use example_common::*;
use cortex_m_rt::entry;
#[entry]
fn main() -> ! {
#[embassy::main]
async fn main(_spawner: Spawner, p: Peripherals) {
info!("Hello World!");
let p = embassy_stm32::init(Default::default());
unsafe { Dbgmcu::enable_all() };
let mut led = Output::new(p.PB0, Level::High, Speed::Low);
loop {
info!("high");
led.set_high().unwrap();
cortex_m::asm::delay(10_000_000);
Timer::after(Duration::from_millis(500)).await;
info!("low");
led.set_low().unwrap();
cortex_m::asm::delay(10_000_000);
Timer::after(Duration::from_millis(500)).await;
}
}