Reduce clutter by using print macros with fmt

src/irq_interrupt.rs

@@ -5,10 +5,8 @@ use core::{
 
 use crate::{
     mmio_read, mmio_write,
-    peripherals::{
-        gpio::{blink_gpio, SpecificGpio},
-        uart::print,
-    },
+    peripherals::gpio::{blink_gpio, SpecificGpio},
+    print,
     timer::sleep_s,
 };
 
@@ -45,7 +43,7 @@ unsafe extern "C" fn irq_handler() {
 #[no_mangle]
 unsafe extern "C" fn synchronous_interrupt() {
     loop {
-        print("Sync Exception \r\n");
+        println!("Sync Exception");
         blink_gpio(SpecificGpio::OnboardLed as u8, 100);
         esr_uart_dump();
         sleep_s(200);
@@ -62,28 +60,28 @@ fn esr_uart_dump() {
     }
     for i in (0..32).rev() {
         if ((esr >> i) & 1) == 0 {
-            print("0");
+            print!("0");
         } else {
-            print("1");
+            print!("1");
         }
         if i % 4 == 0 && i > 0 {
-            print("_");
+            print!("_");
         }
 
         if i == 26 || i == 25 || i == 0 {
-            print("\n\r");
+            print!("\n\r");
         }
     }
 }
 
 fn handle_gpio_interrupt() {
-    print("Interrupt\r\n");
+    println!("Interrupt");
     for i in 0..=53u32 {
         let val = read_gpio_event_detect_status(i);
 
         if val {
             match i {
-                26 => print("Button Pressed"),
+                26 => print!("Button Pressed"),
                 _ => {}
             }
             // Reset GPIO Interrupt handler by writing a 1