CONFIG_SPI_MCUX_BUF_SIZE:

The mcux driver requires that the rx and tx buffers are the same length, however the Zephyr spi interface allows them to be different. When they are different, the mcux shim driver uses a local buffer. This option defines the size of the local buffer.

Symbol:

SPI_MCUX_BUF_SIZE

Type:

int

Value:

“”

User value:

(no user value)

Visibility:

“n”

Is choice item:

false

Is defined:

true

Is from env.:

false

Is special:

false

Prompts:

• “Number of bytes in the local buffer”

Default values:

• 16 (value: “n”)
• Condition: (none)

Selects:

(no selects)

Reverse (select-related) dependencies:  

(no reverse dependencies)

Additional dependencies from enclosing menus and ifs:  

SPI_MCUX && SPI (value: “n”)

Locations:

• ../drivers/spi/Kconfig.mcux:19