djsundog/circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

implement common_hal_busio_uart_clear_rx_buffer

Browse Source
This commit is contained in:
hathach 2018-10-03 11:39:01 +07:00
parent f543c8415d
commit 08cbb03bdd
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
ports/nrf/common-hal/busio/UART.c
View File

@ -250,7 +250,11 @@ uint32_t common_hal_busio_uart_rx_characters_available(busio_uart_obj_t *self) {
} }
void common_hal_busio_uart_clear_rx_buffer(busio_uart_obj_t *self) { void common_hal_busio_uart_clear_rx_buffer(busio_uart_obj_t *self) {
// Discard received byte, and queue 1-byte transfer for rx_characters_available()
if ( self->rx_count > 0 ) {
self->rx_count = -1;
_VERIFY_ERR(nrfx_uarte_rx(&self->uarte, self->buffer, 1));
}
} }
bool common_hal_busio_uart_ready_to_tx(busio_uart_obj_t *self) { bool common_hal_busio_uart_ready_to_tx(busio_uart_obj_t *self) {