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

1 files changed, 31 insertions, 0 deletions

diff --git a/examples/rp235x/src/bin/spi_async.rs b/examples/rp235x/src/bin/spi_async.rs
new file mode 100644
index 000000000..266584efc
--- /dev/null
+++ b/examples/rp235x/src/bin/spi_async.rs
@@ -0,0 +1,31 @@
+//! This example shows how to use SPI (Serial Peripheral Interface) in the RP2040 chip.
+//! No specific hardware is specified in this example. If you connect pin 11 and 12 you should get the same data back.
+
+#![no_std]
+#![no_main]
+
+use defmt::*;
+use embassy_executor::Spawner;
+use embassy_rp::spi::{Config, Spi};
+use embassy_time::Timer;
+use {defmt_rtt as _, panic_probe as _};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let p = embassy_rp::init(Default::default());
+    info!("Hello World!");
+
+    let miso = p.PIN_12;
+    let mosi = p.PIN_11;
+    let clk = p.PIN_10;
+
+    let mut spi = Spi::new(p.SPI1, clk, mosi, miso, p.DMA_CH0, p.DMA_CH1, Config::default());
+
+    loop {
+        let tx_buf = [1_u8, 2, 3, 4, 5, 6];
+        let mut rx_buf = [0_u8; 6];
+        spi.transfer(&mut rx_buf, &tx_buf).await.unwrap();
+        info!("{:?}", rx_buf);
+        Timer::after_secs(1).await;
+    }
+}