From fec505240f22065aaea2ee80c1082cad136559bb Mon Sep 17 00:00:00 2001
From: Nathan Ringo <nathan@remexre.com>
Date: Mon, 26 Feb 2024 00:46:09 -0600
Subject: Initial commit

---
 Example01/main.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 Example01/main.c

(limited to 'Example01/main.c')

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);
+  }
+}
-- 
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