diff options
| author | Lucian Copeland <hierophect@gmail.com> | 2020-07-02 15:38:37 -0400 |
|---|---|---|
| committer | Lucian Copeland <hierophect@gmail.com> | 2020-07-02 15:38:37 -0400 |
| commit | 4b66483757048be03c7d34fd07d2028693a629a3 (patch) | |
| tree | 48b8e6e27516e1f7427ed5d4fe319b3eab872e72 | |
| parent | 87d58b3b0a7b9d1c67e3234680a14a18ca55189c (diff) | |
Update submodule, revert direction change
| -rw-r--r-- | ports/stm/common-hal/busio/SPI.c | 7 | ||||
| m--------- | ports/stm/st_driver | 0 |
2 files changed, 2 insertions, 5 deletions
diff --git a/ports/stm/common-hal/busio/SPI.c b/ports/stm/common-hal/busio/SPI.c index 380302da6..65eeb8ebc 100644 --- a/ports/stm/common-hal/busio/SPI.c +++ b/ports/stm/common-hal/busio/SPI.c @@ -238,11 +238,8 @@ void common_hal_busio_spi_construct(busio_spi_obj_t *self, self->handle.Instance = SPIx; self->handle.Init.Mode = SPI_MODE_MASTER; - // Implementing one-directional recieve-only SPI as per [RefMan RM0090:884] - // results in BSY bit related hangs. Using MOSI as an IO works fine without it, - // so it's unclear why this mode is present in the first place. - //self->handle.Init.Direction = (self->mosi == NULL) ? SPI_DIRECTION_2LINES_RXONLY : SPI_DIRECTION_2LINES; - self->handle.Init.Direction = SPI_DIRECTION_2LINES; + // Direction change only required for RX-only, see RefMan RM0090:884 + self->handle.Init.Direction = (self->mosi == NULL) ? SPI_DIRECTION_2LINES_RXONLY : SPI_DIRECTION_2LINES; self->handle.Init.DataSize = SPI_DATASIZE_8BIT; self->handle.Init.CLKPolarity = SPI_POLARITY_LOW; self->handle.Init.CLKPhase = SPI_PHASE_1EDGE; diff --git a/ports/stm/st_driver b/ports/stm/st_driver -Subproject 3fc2e0f3db155b33177bb0705e0dd65cadb5841 +Subproject 1900834751fd6754457874b8c971690bab33e0a |