rename `rp23` (?) folder to `rp235x`; fix `ci.sh` to use `rp235x` folder

1 files changed, 55 insertions, 0 deletions

diff --git a/examples/rp235x/src/bin/pio_rotary_encoder.rs b/examples/rp235x/src/bin/pio_rotary_encoder.rs
new file mode 100644
index 000000000..2750f61ae
--- /dev/null
+++ b/examples/rp235x/src/bin/pio_rotary_encoder.rs
@@ -0,0 +1,55 @@
+//! This example shows how to use the PIO module in the RP2040 to read a quadrature rotary encoder.
+
+#![no_std]
+#![no_main]
+
+use defmt::info;
+use embassy_executor::Spawner;
+use embassy_rp::bind_interrupts;
+use embassy_rp::peripherals::PIO0;
+use embassy_rp::pio::{InterruptHandler, Pio};
+use embassy_rp::pio_programs::rotary_encoder::{Direction, PioEncoder, PioEncoderProgram};
+use {defmt_rtt as _, panic_probe as _};
+
+bind_interrupts!(struct Irqs {
+    PIO0_IRQ_0 => InterruptHandler<PIO0>;
+});
+
+#[embassy_executor::task]
+async fn encoder_0(mut encoder: PioEncoder<'static, PIO0, 0>) {
+    let mut count = 0;
+    loop {
+        info!("Count: {}", count);
+        count += match encoder.read().await {
+            Direction::Clockwise => 1,
+            Direction::CounterClockwise => -1,
+        };
+    }
+}
+
+#[embassy_executor::task]
+async fn encoder_1(mut encoder: PioEncoder<'static, PIO0, 1>) {
+    let mut count = 0;
+    loop {
+        info!("Count: {}", count);
+        count += match encoder.read().await {
+            Direction::Clockwise => 1,
+            Direction::CounterClockwise => -1,
+        };
+    }
+}
+
+#[embassy_executor::main]
+async fn main(spawner: Spawner) {
+    let p = embassy_rp::init(Default::default());
+    let Pio {
+        mut common, sm0, sm1, ..
+    } = Pio::new(p.PIO0, Irqs);
+
+    let prg = PioEncoderProgram::new(&mut common);
+    let encoder0 = PioEncoder::new(&mut common, sm0, p.PIN_4, p.PIN_5, &prg);
+    let encoder1 = PioEncoder::new(&mut common, sm1, p.PIN_6, p.PIN_7, &prg);
+
+    spawner.must_spawn(encoder_0(encoder0));
+    spawner.must_spawn(encoder_1(encoder1));
+}