34.5.4.7 spi_s_async_set_data_order
Set SPI transfer data order.
int32_t spi_s_async_set_data_order(
struct spi_s_async_descriptor * spi,
const enum spi_data_order dord
)
Note that the SPI must be disabled to change data order.
Parameters
- spi
-
Type: struct spi_s_async_descriptor Struct *
Pointer to the HAL SPI instance.
- dord
-
Type: const enum spi_data_order
The data order: send LSB/MSB first.
Returns
Type: int32_t
Operation status.
- ERR_NONE
-
Success.
- ERR_DENIED
-
Not Ready
- ERR_BUSY
-
Busy, CS activated.