From 9f817ebf1b41e1a55cb8e132872e69e4be067931 Mon Sep 17 00:00:00 2001
From: ejung <eggert.s.jung@wischhof13.de>
Date: Sun, 1 Dec 2019 06:18:59 +0000
Subject: [PATCH] more detailed comments in uart.c

---
 uart.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/uart.c b/uart.c
index 195e9e7..8b38a04 100644
--- a/uart.c
+++ b/uart.c
@@ -17,7 +17,7 @@ void uart_init()
 
     UART_CTRL_REGC |= (1<<UART_URSEL_BM)
                      |(1<<UART_UCSZ0_BM)
-                     |(1<<UART_UCSZ1_BM);             // 8bit data format
+                     |(1<<UART_UCSZ1_BM);     // 8bit data format
 
     stdout = &uart_output;
 }
@@ -42,11 +42,11 @@ void read_sync(char buffer[], uint8_t buffersize, uint8_t * bufferindex){
         while ((UART_CTRL_REGA & (1 << UART_RXC_BM)) == 0);
         input = UART_DATA_REG;
 
-        putchar(input); //echo
+        putchar(input); // echo
         buffer[*bufferindex]=input;
         *bufferindex=*bufferindex+1;
     }while(!(input == '\n' || input == '\r'));
-    buffer[*bufferindex]=0;
+    buffer[*bufferindex]=0; // null terminate
     putchar('\n');
 }