beginning of refactoring

src/lib/board.rs

@@ -0,0 +1,16 @@
+use crate::gpio::ports::{Port, PortOptions, UsablePort, setup_gpio_port};
+
+pub struct UsableBoard;
+impl UsableBoard {
+    pub fn setup_gpio_port(&self, port: Port, options: PortOptions) -> UsablePort {
+        setup_gpio_port(port, options)
+    }
+
+    // TODO: check page 704 for timers
+    // TODO: impl Drop trait so that tasks all run before the main function ends?
+    // TODO: examine page 670 for when (if) I do interrupts
+}
+
+pub fn setup_board() -> UsableBoard {
+    UsableBoard
+}