1 files changed, 14 insertions, 0 deletions
diff --git a/Example01/main.c b/Example01/main.c
new file mode 100644
index 0000000..76a47b2
--- /dev/null
+++ b/Example01/main.c
@@ -0,0 +1,14 @@
+#define F_CPU 3333333
+#include <avr/io.h>
+#include <stdbool.h>
+
+int main(void) {
+  PORTF.DIR &= ~PIN3_bm; // button as input
+  PORTF.DIR |= PIN4_bm;  // green as output
+  PORTF.DIR |= PIN5_bm;  // red as output
+
+  while (1) {
+    bool buttonp = PORTF.IN & PIN3_bm;
+    PORTF.OUT = 1 << (buttonp ? PIN4_bp : PIN5_bp);
+  }
+}