diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/rp/src/bin/pwm_input.rs | 26 |
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 | |||
| 7 | use defmt::*; | ||
| 8 | use embassy_executor::Spawner; | ||
| 9 | use embassy_rp::pwm::{Config, InputMode, Pwm}; | ||
| 10 | use embassy_time::{Duration, Ticker}; | ||
| 11 | use {defmt_rtt as _, panic_probe as _}; | ||
| 12 | |||
| 13 | #[embassy_executor::main] | ||
| 14 | async 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 | } | ||
