Get SPI Channels

Get all valid SPI channel numbers.

LabVIEW

Developer Note

This packet will be used during enumeration to allow the host to do channel range checking.

Command Packet

  • Get SPI Channels
  • Get SPI Channels Response
  • Get SPI Channels
    Description Get all valid SPI channel numbers.
    Size 7 Bytes
    Format
    -
    0
    1
    2
    7
    6
    5
    4
    3
    2
    1
    0
    7
    6
    5
    4
    3
    2
    1
    0
    7
    6
    5
    4
    3
    2
    1
    0
    7
    6
    5
    4
    3
    2
    1
    0
    N/A
    SoF : 0xFF
    PACKET SIZE : 0x07
    PACKET NUM
    3
    4
    5
    6
    7
    6
    5
    4
    3
    2
    1
    0
    7
    6
    5
    4
    3
    2
    1
    0
    7
    6
    5
    4
    3
    2
    1
    0
    7
    6
    5
    4
    3
    2
    1
    0
    PACKET NUM
    CMD : 0x000F
    CHECKSUM
    SoF Start of Frame. Always 0xFF.
    PACKET SIZE Packet Size In Bytes
    PACKET NUM The Current Packet Number. This value increments with each new packet.
    CMD Flush Command.
    CHECKSUM Checksum. Computed by adding all of the bytes in the packet in U8 form ignoring rollover.

    LINX Target

    Developer Note

    Return all valid SPI channel numbers.

    Response Packet

    Get SPI Channels Response
    Description LINX device's response to Get SPI Channels.
    Size Variable
    Format
    -
    0
    1
    2
    7
    6
    5
    4
    3
    2
    1
    0
    7
    6
    5
    4
    3
    2
    1
    0
    7
    6
    5
    4
    3
    2
    1
    0
    7
    6
    5
    4
    3
    2
    1
    0
    N/A
    SoF : 0xFF
    PACKET SIZE
    PACKET NUM
    3
    4
    5
    6
    7
    6
    5
    4
    3
    2
    1
    0
    7
    6
    5
    4
    3
    2
    1
    0
    7
    6
    5
    4
    3
    2
    1
    0
    7
    6
    5
    4
    3
    2
    1
    0
    PACKET NUM
    STATUS
    ~Channels~
    CHECKSUM
    SoF Start of Frame. Always 0xFF.
    PACKET SIZE Total packet size in bytes.
    PACKET NUM The packet number of the packet that generated the response.
    STATUS See Return Status section below.
    ~Channels~ Variable Size. The channel number of each SPI channel.
    CHECKSUM Checksum. Computed by adding all of the bytes in the packet in U8 form ignoring rollover.

    Return Status

    No function specific statuses. See return_status for universal return statuses.