diff options
Diffstat (limited to 'platforms/avr/drivers/uart.c')
| -rw-r--r-- | platforms/avr/drivers/uart.c | 4 | 
1 files changed, 2 insertions, 2 deletions
| diff --git a/platforms/avr/drivers/uart.c b/platforms/avr/drivers/uart.c index 01cf6b1fb8..fd5caf9a78 100644 --- a/platforms/avr/drivers/uart.c +++ b/platforms/avr/drivers/uart.c @@ -108,7 +108,7 @@ void uart_write(uint8_t data) {      // return immediately to avoid deadlock when interrupt is disabled(called from ISR)      if (tx_buffer_tail == i && (SREG & (1 << SREG_I)) == 0) return;      while (tx_buffer_tail == i) -        ;  // wait until space in buffer +        ; // wait until space in buffer      // cli();      tx_buffer[i]   = data;      tx_buffer_head = i; @@ -121,7 +121,7 @@ uint8_t uart_read(void) {      uint8_t data, i;      while (rx_buffer_head == rx_buffer_tail) -        ;  // wait for character +        ; // wait for character      i = rx_buffer_tail + 1;      if (i >= RX_BUFFER_SIZE) i = 0;      data           = rx_buffer[i]; | 
