4 files changed, 113 insertions, 1 deletions

diff --git a/examples/mimxrt6/src/bin/button.rs b/examples/mimxrt6/src/bin/button.rs
index efb7f14af..a9bdde98e 100644
--- a/examples/mimxrt6/src/bin/button.rs
+++ b/examples/mimxrt6/src/bin/button.rs
@@ -3,7 +3,7 @@
 
 use defmt::info;
 use embassy_executor::Spawner;
-use embassy_futures::select::{select, Either};
+use embassy_futures::select::{Either, select};
 use embassy_imxrt::gpio;
 use {defmt_rtt as _, embassy_imxrt_examples as _, panic_probe as _};
 
diff --git a/examples/mimxrt6/src/bin/dma.rs b/examples/mimxrt6/src/bin/dma.rs
new file mode 100644
index 000000000..b490efc6b
--- /dev/null
+++ b/examples/mimxrt6/src/bin/dma.rs
@@ -0,0 +1,26 @@
+#![no_std]
+#![no_main]
+
+extern crate embassy_imxrt_examples;
+
+use defmt::info;
+use embassy_executor::Spawner;
+use embassy_imxrt::dma::copy;
+use {defmt_rtt as _, panic_probe as _};
+
+const BUFLEN: usize = 1024;
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let p = embassy_imxrt::init(Default::default());
+
+    info!("Test memory-to-memory DMA transfers");
+
+    let src = [0x55u8; BUFLEN];
+    let mut dst = [0u8; BUFLEN];
+
+    unsafe { copy(p.DMA0_CH0, &src, &mut dst) }.await;
+    assert!(dst == src);
+
+    info!("DMA copy succeeded");
+}
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");
+}
diff --git a/examples/mimxrt6/src/bin/spi.rs b/examples/mimxrt6/src/bin/spi.rs
new file mode 100644
index 000000000..4854432e8
--- /dev/null
+++ b/examples/mimxrt6/src/bin/spi.rs
@@ -0,0 +1,51 @@
+#![no_std]
+#![no_main]
+
+use defmt::info;
+use embassy_executor::Spawner;
+use embassy_imxrt::flexcomm::spi::Spi;
+use embassy_imxrt::gpio;
+use embassy_time::{Delay, Timer};
+use embedded_hal_bus::spi::ExclusiveDevice;
+use is31fl3743b_driver::{CSy, Is31fl3743b, SWx};
+use {defmt_rtt as _, embassy_imxrt_examples as _, panic_probe as _};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let p = embassy_imxrt::init(Default::default());
+
+    info!("Initializing SPI");
+
+    let cs = gpio::Output::new(
+        p.PIO1_6,
+        gpio::Level::Low,
+        gpio::DriveMode::PushPull,
+        gpio::DriveStrength::Normal,
+        gpio::SlewRate::Standard,
+    );
+
+    let spi = Spi::new_blocking(p.FLEXCOMM5, p.PIO1_3, p.PIO1_5, p.PIO1_4, Default::default());
+    let delay = Delay;
+
+    // One SPI device only on the SPI bus
+    let spi_dev = ExclusiveDevice::new(spi, cs, delay).unwrap();
+
+    // Instantiate IS31FL3743B device
+    let mut driver = Is31fl3743b::new(spi_dev).unwrap();
+
+    // Enable phase delay to help reduce power noise
+    let _ = driver.enable_phase_delay();
+    // Set global current, check method documentation for more info
+    let _ = driver.set_global_current(90);
+
+    let _ = driver.set_led_peak_current_bulk(SWx::SW1, CSy::CS1, &[100; 11 * 18]);
+
+    // Driver is fully set up, we can now start turning on LEDs!
+    // Create a white breathing effect
+    loop {
+        for brightness in (0..=255_u8).chain((0..=255).rev()) {
+            let _ = driver.set_led_brightness_bulk(SWx::SW1, CSy::CS1, &[brightness; 11 * 18]);
+            Timer::after_micros(1).await;
+        }
+    }
+}