diff options
Diffstat (limited to 'ao_serial.c')
| -rw-r--r-- | ao_serial.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/ao_serial.c b/ao_serial.c index ae5e0764..20bb4f96 100644 --- a/ao_serial.c +++ b/ao_serial.c @@ -22,7 +22,7 @@ struct ao_fifo { uint8_t insert; uint8_t remove; - uint8_t fifo[SERIAL_FIFO]; + char fifo[SERIAL_FIFO]; }; volatile __xdata struct ao_fifo ao_usart1_rx_fifo; @@ -71,10 +71,10 @@ ao_serial_tx1_isr(void) interrupt 14 ao_wakeup(&ao_usart1_tx_fifo); } -uint8_t +char ao_serial_getchar(void) __critical { - uint8_t c; + char c; while (ao_fifo_empty(ao_usart1_rx_fifo)) ao_sleep(&ao_usart1_rx_fifo); ao_fifo_remove(ao_usart1_rx_fifo, c); @@ -82,7 +82,7 @@ ao_serial_getchar(void) __critical } void -ao_serial_putchar(uint8_t c) __critical +ao_serial_putchar(char c) __critical { while (ao_fifo_full(ao_usart1_tx_fifo)) ao_sleep(&ao_usart1_tx_fifo); |