rp2pio: allow keyboard interrupt while waiting for tx fifo to empty (& stall)

2021-02-25 11:34:03 -06:00 · 2021-02-25 11:34:03 -06:00 · 4b63a8c9b4
commit 4b63a8c9b4
parent d0eab5c561
1 changed files with 3 additions and 0 deletions
--- a/ports/raspberrypi/common-hal/rp2pio/StateMachine.c
+++ b/ports/raspberrypi/common-hal/rp2pio/StateMachine.c
@ -673,6 +673,9 @@ static bool _transfer(rp2pio_statemachine_obj_t *self,
        while (!pio_sm_is_tx_fifo_empty(self->pio, self->state_machine) ||
               (self->wait_for_txstall && (self->pio->fdebug & stall_mask) == 0)) {
            RUN_BACKGROUND_TASKS;
+            if (mp_hal_is_interrupted()) {
+                break;
+            }
        }
    }
    return true;