more detailed comments in uart.c

2019-12-01 06:18:59 +00:00
parent e2f75268c1
commit 9f817ebf1b
1 changed files with 3 additions and 3 deletions
--- a/uart.c
+++ b/uart.c
@@ -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');
 }