wieerwill/rust-stm32
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add new hardware peripheral

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This commit is contained in:
WieErWill
2026-05-25 18:41:46 +02:00
parent 8028dfd5fc
commit be5dd9632c
10 changed files with 91 additions and 18 deletions
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1
examples/embassy-button/Cargo.toml
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@@ -6,6 +6,7 @@ publish = false
build = "build.rs"
[dependencies]
cortex-m.workspace = true
cortex-m-rt.workspace = true
defmt.workspace = true
defmt-rtt.workspace = true

10
examples/embassy-button/src/main.rs
View File

@@ -4,6 +4,7 @@
use defmt::info;
use defmt_rtt as _;
use cortex_m as _;
use embassy_executor::Spawner;
use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed};
use embassy_time::Timer;
@@ -12,14 +13,17 @@ use panic_probe as _;
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let p = embassy_stm32::init(Default::default());
let button = Input::new(p.PA0, Pull::Down);
// Assumes the center switch line goes high when pressed.
let button = Input::new(p.PA8, Pull::Down);
let _vcc = Output::new(p.PA10, Level::High, Speed::Low);
let _gnd = Output::new(p.PB12, Level::Low, Speed::Low);
let mut led = Output::new(p.PC13, Level::High, Speed::Low);
let mut was_pressed = button.is_high();
info!("embassy-button: polling PA0 every 25 ms");
info!("embassy-button: polling PA8 every 25 ms");
loop {
let pressed = button.is_high();
let pressed = !button.is_high();
if pressed != was_pressed {
was_pressed = pressed;