34.2.4.1 spi_m_dma_init
Initialize the SPI HAL instance and hardware for DMA mode.
int32_t spi_m_dma_init(
struct spi_m_dma_descriptor * spi,
void *const hw
)
Initialize SPI HAL with dma mode.
Parameters
- spi
-
Type: struct spi_m_dma_descriptor Struct *
Pointer to the HAL SPI instance.
- hw
-
Type: void *const
Pointer to the hardware base.
Returns
Type: int32_t
Operation status.
- ERR_NONE
-
Success.
- ERR_INVALID_DATA
-
Error, initialized.