#![no_std] #![no_main] #![feature(type_alias_impl_trait)] use defmt::info; use embassy_executor::Spawner; use embassy_nrf::pdm::{self, Config, Pdm}; use embassy_nrf::{bind_interrupts, peripherals}; use embassy_time::{Duration, Timer}; use {defmt_rtt as _, panic_probe as _}; bind_interrupts!(struct Irqs { PDM => pdm::InterruptHandler; }); #[embassy_executor::main] async fn main(_p: Spawner) { let p = embassy_nrf::init(Default::default()); let config = Config::default(); let mut pdm = Pdm::new(p.PDM, Irqs, p.P0_01, p.P0_00, config); loop { pdm.start().await; // wait some time till the microphon settled Timer::after(Duration::from_millis(1000)).await; const SAMPLES: usize = 2048; let mut buf = [0i16; SAMPLES]; pdm.sample(&mut buf).await.unwrap(); info!("samples: {:?}", &buf); pdm.stop().await; Timer::after(Duration::from_millis(100)).await; } }