From 65f20961d19f0b4d739e3e40f2a9bdf8855f7389 Mon Sep 17 00:00:00 2001
From: Peter Wittich <wittich@cornell.edu>
Date: Fri, 5 Apr 2019 12:16:26 -0500
Subject: [PATCH] bugs in uart_echo

* typos
* missing interrupt handler for UART4
---
 projects/uart_echo/startup_gcc.c | 2 +-
 projects/uart_echo/uart_echo.c   | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/projects/uart_echo/startup_gcc.c b/projects/uart_echo/startup_gcc.c
index e97375a7..b26f251f 100644
--- a/projects/uart_echo/startup_gcc.c
+++ b/projects/uart_echo/startup_gcc.c
@@ -140,7 +140,7 @@ void (* const g_pfnVectors[])(void) =
     IntDefaultHandler,                      // SSI2 Rx and Tx
     IntDefaultHandler,                      // SSI3 Rx and Tx
     IntDefaultHandler,                      // UART3 Rx and Tx
-    IntDefaultHandler,                      // UART4 Rx and Tx
+    UARTIntHandler,                         // UART4 Rx and Tx
     IntDefaultHandler,                      // UART5 Rx and Tx
     IntDefaultHandler,                      // UART6 Rx and Tx
     IntDefaultHandler,                      // UART7 Rx and Tx
diff --git a/projects/uart_echo/uart_echo.c b/projects/uart_echo/uart_echo.c
index 258dca9c..da1eb27f 100644
--- a/projects/uart_echo/uart_echo.c
+++ b/projects/uart_echo/uart_echo.c
@@ -78,7 +78,7 @@ UARTIntHandler(void)
   uint32_t ui32Status;
 
   //
-  // Get the interrrupt status.
+  // Get the interrupt status.
   //
   ui32Status = ROM_UARTIntStatus(UART4_BASE, true);
 
@@ -99,7 +99,7 @@ UARTIntHandler(void)
 				 ROM_UARTCharGetNonBlocking(UART4_BASE));
 
       //
-      // Blink the LED to show a character transfer is occuring.
+      // Blink the LED to show a character transfer is occurring.
       //
       MAP_GPIOPinWrite(GPIO_PORTJ_BASE, GPIO_PIN_1, GPIO_PIN_0);