update

src/lib/board.rs

@@ -3,7 +3,7 @@
 use core::arch::asm;
 
 use crate::gpio::ports::{
-    setup_port as setup_gpio_port, GPIOPortOptions, Port as GPIOPort, UsablePort as UsableGPIOPort,
+    setup_port as setup_gpio_port, Port as GPIOPort, UsablePort as UsableGPIOPort,
 };
 use crate::uart::{
     setup_port as setup_uart_port, Port as UARTPort, PortOptions as UARTPortOptions,
@@ -22,15 +22,18 @@ impl Board {
         0x400F_E000
     }
 
-    /// The memory address of the GPIO Run mode clock gating control (RCGCGPIO) register for this port
+    /// The memory address of the GPIO Run mode clock gating control (RCGCGPIO) register for GPIO ports
     ///
     /// Page 340 of data sheet
-    pub(crate) const fn gpio_run_mode_clock_gate_control(&self) -> *mut u32 {
+    pub(crate) const fn gpio_run_mode_clock_gating_control(&self) -> *mut u32 {
         const OFFSET: u32 = 0x608;
         (self.base() + OFFSET) as *mut u32
     }
 
-    pub(crate) const fn run_mode_clock_gate_control_1(&self) -> *mut u32 {
+    /// The memory address of the TODO
+    ///
+    /// Page TODO of data sheet
+    pub(crate) const fn run_mode_clock_gating_control_1(&self) -> *mut u32 {
         const OFFSET: u32 = 0x104;
         (self.base() + OFFSET) as *mut u32
     }
@@ -42,23 +45,30 @@ pub struct UsableBoard {
 }
 
 impl UsableBoard {
-    fn no_op(&self) {
+    pub(crate) fn no_op(&self) {
         unsafe {
             asm!("nop");
         }
     }
+
+    pub(crate) fn no_ops(&self, n: u32) {
+        for _ in 0..n {
+            self.no_op();
+        }
+    }
 }
 
 impl UsableBoard {
-    pub fn setup_gpio_port(&mut self, port: GPIOPort, options: GPIOPortOptions) -> UsableGPIOPort {
-        setup_gpio_port(self.board, port, options)
+    pub fn setup_gpio_port(&mut self, port: GPIOPort) -> UsableGPIOPort {
+        setup_gpio_port(self.board, port)
     }
 
     pub fn setup_uart_port(&mut self, port: UARTPort, options: UARTPortOptions) -> UsableUARTPort {
-        setup_uart_port(self.board, port, options, &|| self.no_op())
+        setup_uart_port(self.board, port, options, &|n| self.no_ops(n))
     }
 }
 
+/// Start using the driver and task library by setting up the TM4C123GXL board
 pub fn setup_board() -> UsableBoard {
     UsableBoard { board: Board }
 }