diff options
| -rw-r--r-- | ports/rp2/machine_uart.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/ports/rp2/machine_uart.c b/ports/rp2/machine_uart.c index bca07cebf..72e68a6fb 100644 --- a/ports/rp2/machine_uart.c +++ b/ports/rp2/machine_uart.c @@ -194,7 +194,7 @@ STATIC inline void uart_service_interrupt(machine_uart_obj_t *self) { } if (uart_get_hw(self->uart)->mis & UART_UARTMIS_TXMIS_BITS) { // tx interrupt? // clear all interrupt bits but rx - uart_get_hw(self->uart)->icr = UART_UARTICR_BITS & (~UART_UARTICR_RXIC_BITS); + uart_get_hw(self->uart)->icr = UART_UARTICR_BITS & ~(UART_UARTICR_RXIC_BITS | UART_UARTICR_RTIC_BITS); uart_fill_tx_fifo(self); } } |