diff options
| -rw-r--r-- | kernel/uart.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/uart.c b/kernel/uart.c index ce89615..d586ea4 100644 --- a/kernel/uart.c +++ b/kernel/uart.c @@ -22,8 +22,8 @@ #define RHR 0 // receive holding register (for input bytes) #define THR 0 // transmit holding register (for output bytes) #define IER 1 // interrupt enable register -#define IER_TX_ENABLE (1<<0) -#define IER_RX_ENABLE (1<<1) +#define IER_RX_ENABLE (1<<0) +#define IER_TX_ENABLE (1<<1) #define FCR 2 // FIFO control register #define FCR_FIFO_ENABLE (1<<0) #define FCR_FIFO_CLEAR (3<<1) // clear the content of the two FIFOs |