1 files changed, 42 insertions, 0 deletions
diff --git a/usb/src/dotstar.rs b/usb/src/dotstar.rs
new file mode 100644
index 0000000..8e930d0
--- /dev/null
+++ b/usb/src/dotstar.rs
@@ -0,0 +1,42 @@
+use trinket_m0::{
+    clock::GenericClockController,
+    gpio::{self, Floating, Input},
+    prelude::*,
+    sercom::{self, PadPin, SPIMaster1},
+    PM, SERCOM1,
+};
+
+use apa102_spi::Apa102;
+
+pub fn new(
+    sercom: SERCOM1,
+    miso: gpio::Pa31<Input<Floating>>,
+    mosi: gpio::Pa0<Input<Floating>>,
+    sck: gpio::Pa1<Input<Floating>>,
+    port: &mut gpio::Port,
+    pm: &mut PM,
+    clocks: &mut GenericClockController,
+) -> Apa102<
+    SPIMaster1<
+        sercom::Sercom1Pad3<gpio::Pa31<gpio::PfD>>,
+        sercom::Sercom1Pad0<gpio::Pa0<gpio::PfD>>,
+        sercom::Sercom1Pad1<gpio::Pa1<gpio::PfD>>,
+    >,
+> {
+    let gclk = clocks.gclk0();
+    let miso = miso.into_pad(port);
+    let mosi = mosi.into_pad(port);
+    let sck = sck.into_pad(port);
+    let spi = SPIMaster1::new(
+        &clocks
+            .sercom1_core(&gclk)
+            .expect("setting up sercom1 clock"),
+        3.mhz(),
+        apa102_spi::MODE,
+        sercom,
+        pm,
+        (miso, mosi, sck),
+    );
+
+    Apa102::new(spi)
+}