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]; |