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| author | Dave Hylands <dhylands@gmail.com> | 2015-08-04 23:36:01 -0700 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2015-08-05 23:42:05 +0100 |
| commit | 8a1a5c236d1fc07596a1f23f73e26f24c0e5b540 (patch) | |
| tree | 457a726e6e1535b64f092158acd44e8e90cf04e0 | |
| parent | 5e11d2b349bffe92c539649799b27c946c2ff17b (diff) | |
| download | micropython-8a1a5c236d1fc07596a1f23f73e26f24c0e5b540.tar.gz micropython-8a1a5c236d1fc07596a1f23f73e26f24c0e5b540.zip | |
stmhal: Fix hardfault when configured as a SPI slave
| -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 311f176b31..b1aacfd0b7 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); } |