diff options
Diffstat (limited to 'cpu/nios/serial.c')
-rw-r--r-- | cpu/nios/serial.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/cpu/nios/serial.c b/cpu/nios/serial.c index 61b26ab..34257a2 100644 --- a/cpu/nios/serial.c +++ b/cpu/nios/serial.c @@ -23,6 +23,7 @@ #include <common.h> +#include <watchdog.h> #include <nios-io.h> @@ -62,7 +63,7 @@ void serial_putc( char c ) if (c == '\n') serial_putc('\r'); while( (uart->status & NIOS_UART_TRDY) == 0 ) - ; + WATCHDOG_RESET (); uart->txdata = (unsigned char)c; } @@ -81,6 +82,6 @@ int serial_tstc( void ) int serial_getc( void ) { while( serial_tstc() == 0 ) - ; + WATCHDOG_RESET (); return( uart->rxdata & 0x00ff ); } |