diff options
| -rw-r--r-- | stmhal/spi.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/stmhal/spi.c b/stmhal/spi.c index 311f176b3..b1aacfd0b 100644 --- a/stmhal/spi.c +++ b/stmhal/spi.c @@ -546,7 +546,9 @@ STATIC mp_obj_t pyb_spi_recv(mp_uint_t n_args, const mp_obj_t *pos_args, mp_map_ if (status == HAL_OK) { status = spi_wait_dma_finished(self->spi, args[1].u_int); } - dma_deinit(&tx_dma); + if (self->spi->hdmatx != NULL) { + dma_deinit(&tx_dma); + } dma_deinit(&rx_dma); } |