spi_s_async_descriptor Struct

SPI Slave HAL driver struct for asynchronous access with ring buffer.

Members

dev

SPI device instance

io

I/O read/write

callbacks

Callbacks for asynchronous transfer

txbuf

Transmit buffer.

txsize

Transmit size in number of characters.

txcnt

Transmit count in number of characters.

rx_rb

ring buffer for RX.

error

Last error code.

busy

TX busy.

enabled

Enabled.