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-rw-r--r--examples/rp/src/bin/pwm_input.rs26
1 files changed, 26 insertions, 0 deletions
diff --git a/examples/rp/src/bin/pwm_input.rs b/examples/rp/src/bin/pwm_input.rs
new file mode 100644
index 000000000..794b28af3
--- /dev/null
+++ b/examples/rp/src/bin/pwm_input.rs
@@ -0,0 +1,26 @@
1//! This example shows how to use the PWM module to measure the frequency of an input signal.
2
3#![no_std]
4#![no_main]
5#![feature(type_alias_impl_trait)]
6
7use defmt::*;
8use embassy_executor::Spawner;
9use embassy_rp::pwm::{Config, InputMode, Pwm};
10use embassy_time::{Duration, Ticker};
11use {defmt_rtt as _, panic_probe as _};
12
13#[embassy_executor::main]
14async fn main(_spawner: Spawner) {
15 let p = embassy_rp::init(Default::default());
16
17 let mut cfg: Config = Default::default();
18 let mut pwm = Pwm::new_input(p.PWM_CH2, p.PIN_5, InputMode::RisingEdge, cfg);
19
20 let mut ticker = Ticker::every(Duration::from_secs(1));
21 loop {
22 info!("Input frequency: {} Hz", pwm.counter());
23 pwm.set_counter(0);
24 ticker.next().await;
25 }
26}