diff options
| -rw-r--r-- | stmhal/can.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/stmhal/can.c b/stmhal/can.c index 88d66b6530..a8ec7930ef 100644 --- a/stmhal/can.c +++ b/stmhal/can.c @@ -752,6 +752,8 @@ STATIC mp_obj_t pyb_can_rxcallback(mp_obj_t self_in, mp_obj_t fifo_in, mp_obj_t __HAL_CAN_DISABLE_IT(&self->can, (fifo == 0) ? CAN_IT_FMP0 : CAN_IT_FMP1); __HAL_CAN_DISABLE_IT(&self->can, (fifo == 0) ? CAN_IT_FF0 : CAN_IT_FF1); __HAL_CAN_DISABLE_IT(&self->can, (fifo == 0) ? CAN_IT_FOV0 : CAN_IT_FOV1); + __HAL_CAN_CLEAR_FLAG(&self->can, (fifo == CAN_FIFO0) ? CAN_FLAG_FF0 : CAN_FLAG_FF1); + __HAL_CAN_CLEAR_FLAG(&self->can, (fifo == CAN_FIFO0) ? CAN_FLAG_FOV0 : CAN_FLAG_FOV1); *callback = mp_const_none; } else if (*callback != mp_const_none) { // Rx call backs has already been initialized @@ -847,11 +849,13 @@ void can_rx_irq_handler(uint can_id, uint fifo_id) { break; case RX_STATE_MESSAGE_PENDING: __HAL_CAN_DISABLE_IT(&self->can, (fifo_id == CAN_FIFO0) ? CAN_IT_FF0 : CAN_IT_FF1); + __HAL_CAN_CLEAR_FLAG(&self->can, (fifo_id == CAN_FIFO0) ? CAN_FLAG_FF0 : CAN_FLAG_FF1); irq_reason = MP_OBJ_NEW_SMALL_INT(1); *state = RX_STATE_FIFO_FULL; break; case RX_STATE_FIFO_FULL: __HAL_CAN_DISABLE_IT(&self->can, (fifo_id == CAN_FIFO0) ? CAN_IT_FOV0 : CAN_IT_FOV1); + __HAL_CAN_CLEAR_FLAG(&self->can, (fifo_id == CAN_FIFO0) ? CAN_FLAG_FOV0 : CAN_FLAG_FOV1); irq_reason = MP_OBJ_NEW_SMALL_INT(2); *state = RX_STATE_FIFO_OVERFLOW; break; |