diff options
Diffstat (limited to 'ao_serial.c')
| -rw-r--r-- | ao_serial.c | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/ao_serial.c b/ao_serial.c index 20bb4f96..ce116940 100644 --- a/ao_serial.c +++ b/ao_serial.c @@ -17,30 +17,9 @@ #include "ao.h" -#define SERIAL_FIFO 32 - -struct ao_fifo { - uint8_t insert; - uint8_t remove; - char fifo[SERIAL_FIFO]; -}; - volatile __xdata struct ao_fifo ao_usart1_rx_fifo; volatile __xdata struct ao_fifo ao_usart1_tx_fifo; -#define ao_fifo_insert(f,c) do { \ - (f).fifo[(f).insert] = (c); \ - (f).insert = ((f).insert + 1) & (SERIAL_FIFO-1); \ -} while(0) - -#define ao_fifo_remove(f,c) do {\ - c = (f).fifo[(f).remove]; \ - (f).remove = ((f).remove + 1) & (SERIAL_FIFO-1); \ -} while(0) - -#define ao_fifo_full(f) ((((f).insert + 1) & (SERIAL_FIFO-1)) == (f).remove) -#define ao_fifo_empty(f) ((f).insert == (f).remove) - void ao_serial_rx1_isr(void) interrupt 3 { |