1 files changed, 49 insertions, 0 deletions

diff --git a/examples/nrf/src/bin/saadc_continuous.rs b/examples/nrf/src/bin/saadc_continuous.rs
new file mode 100644
index 000000000..fba00ebdf
--- /dev/null
+++ b/examples/nrf/src/bin/saadc_continuous.rs
@@ -0,0 +1,49 @@
+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+
+#[path = "../example_common.rs"]
+mod example_common;
+use defmt::panic;
+use embassy::executor::Spawner;
+use embassy_nrf::ppi::Ppi;
+use embassy_nrf::saadc::{ChannelConfig, Config, Mode, Saadc, SamplerState};
+use embassy_nrf::timer::{Frequency, Timer};
+use embassy_nrf::{interrupt, Peripherals};
+use example_common::*;
+
+// Demonstrates both continuous sampling and scanning multiple channels driven by a PPI linked timer
+
+#[embassy::main]
+async fn main(_spawner: Spawner, mut p: Peripherals) {
+    let config = Config::default();
+    let channel_1_config = ChannelConfig::single_ended(&mut p.P0_02);
+    let channel_2_config = ChannelConfig::single_ended(&mut p.P0_03);
+    let channel_3_config = ChannelConfig::single_ended(&mut p.P0_04);
+    let mut saadc = Saadc::new(
+        p.SAADC,
+        interrupt::take!(SAADC),
+        config,
+        [channel_1_config, channel_2_config, channel_3_config],
+    );
+
+    let mut timer = Timer::new(p.TIMER0);
+    timer.set_frequency(Frequency::F1MHz);
+    timer.cc(0).write(100); // We want to sample at 10KHz
+    timer.cc(0).short_compare_clear();
+
+    let mut ppi = Ppi::new(p.PPI_CH0);
+    ppi.set_event(timer.cc(0).event_compare());
+    ppi.set_task(saadc.task_sample());
+    ppi.enable();
+
+    timer.start();
+
+    let mut bufs = [[0; 3 * 500]; 2]; // Each buffer of the double buffer has to be large enough for all channels.
+    saadc
+        .run_sampler(&mut bufs, Mode::Task, |buf| {
+            info!("sample len={}", buf.len());
+            SamplerState::Sampled
+        })
+        .await;
+}