diff options
| -rw-r--r-- | ports/samd/machine_uart.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/ports/samd/machine_uart.c b/ports/samd/machine_uart.c index eb1415789..c8f25d985 100644 --- a/ports/samd/machine_uart.c +++ b/ports/samd/machine_uart.c @@ -362,8 +362,6 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(machine_uart_deinit_obj, machine_uart_deinit); STATIC mp_obj_t machine_uart_any(mp_obj_t self_in) { machine_uart_obj_t *self = MP_OBJ_TO_PTR(self_in); - // get all bytes from the fifo first. May be obsolete. - uart_drain_rx_fifo(self, sercom_instance[self->id]); return MP_OBJ_NEW_SMALL_INT(ringbuf_avail(&self->read_buffer)); } STATIC MP_DEFINE_CONST_FUN_OBJ_1(machine_uart_any_obj, machine_uart_any); @@ -431,16 +429,10 @@ STATIC mp_uint_t machine_uart_read(mp_obj_t self_in, void *buf_in, mp_uint_t siz uint64_t t = mp_hal_ticks_ms_64() + self->timeout; uint64_t timeout_char = self->timeout_char; uint8_t *dest = buf_in; - Sercom *uart = sercom_instance[self->id]; for (size_t i = 0; i < size; i++) { // Wait for the first/next character while (ringbuf_avail(&self->read_buffer) == 0) { - if (uart->USART.INTFLAG.bit.RXC != 0) { - // Force a few incoming bytes to the buffer - uart_drain_rx_fifo(self, uart); - break; - } if (mp_hal_ticks_ms_64() > t) { // timed out if (i <= 0) { *errcode = MP_EAGAIN; |