[iMXRT] Add spi driver

1 files changed, 35 insertions, 0 deletions

diff --git a/examples/mimxrt6/src/bin/spi-async.rs b/examples/mimxrt6/src/bin/spi-async.rs
new file mode 100644
index 000000000..aa56f7c42
--- /dev/null
+++ b/examples/mimxrt6/src/bin/spi-async.rs
@@ -0,0 +1,35 @@
+#![no_std]
+#![no_main]
+
+use defmt::info;
+use embassy_executor::Spawner;
+use embassy_imxrt::bind_interrupts;
+use embassy_imxrt::flexcomm::spi::{InterruptHandler, Spi};
+use embassy_imxrt::peripherals::FLEXCOMM5;
+use {defmt_rtt as _, embassy_imxrt_examples as _, panic_probe as _};
+
+bind_interrupts!(struct Irqs {
+    FLEXCOMM5 => InterruptHandler<FLEXCOMM5>;
+});
+
+const BUFLEN: usize = 1024;
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let p = embassy_imxrt::init(Default::default());
+
+    info!("Initializing SPI");
+
+    let mut spi = Spi::new_async(p.FLEXCOMM5, p.PIO1_3, p.PIO1_5, p.PIO1_4, Irqs, Default::default());
+
+    let mut rxbuf = [0x55; BUFLEN];
+    let txbuf = [0xaa; BUFLEN];
+
+    for _ in 0..10 {
+        spi.async_transfer(&mut rxbuf, &txbuf).await.unwrap();
+        assert!(rxbuf.iter().all(|b| *b == 0xaa));
+        rxbuf.fill(0x55);
+    }
+
+    info!("SPI transfers succeeded");
+}