1 files changed, 42 insertions, 0 deletions
diff --git a/src-riscv/led.rs b/src-riscv/led.rs
new file mode 100644
index 0000000..536121b
--- /dev/null
+++ b/src-riscv/led.rs
@@ -0,0 +1,42 @@
+use gd32vf103xx_hal::{
+    gpio::{Floating, Input, Output, PushPull, Pxx, State, gpioa::PA7},
+};
+use embedded_hal::digital::v2::OutputPin;
+
+pub struct LED {
+    pin: Pxx<Output<PushPull>>,
+    state: State,
+}
+
+impl LED {
+    pub fn new(pin: PA7<Input<Floating>>) -> Self {
+        let mut p = pin.into_push_pull_output().downgrade();
+        p.set_low().ok();
+        Self { pin: p, state: State::Low }
+    }
+
+    pub fn is_on(&self) -> bool {
+        match self.state {
+            State::High => true,
+            State::Low => false,
+        }
+    }
+
+    pub fn on(&mut self) {
+        self.state = State::High;
+        self.pin.set_high().ok();
+    }
+
+    pub fn off(&mut self) {
+        self.state = State::Low;
+        self.pin.set_low().ok();
+    }
+
+    pub fn toggle(&mut self) {
+        if self.is_on() {
+            self.off();
+        } else {
+            self.on();
+        }
+    }
+}