Published on USB-I2C/SPI/GPIO Interface Adapters (https://dlnware.com)

Home > C/C++ API > SPI Bus Interface > SPI Master Interface > SPI Master Functions > DlnSpiMasterSSEnable() Function

DlnSpiMasterSSEnable() Function

The DlnSpiMasterSSEnable() function enables the specified SS line.

Syntax
C/C++
DLN_RESULT DlnSpiMasterSSEnable(
    HDLN handle, 
    uint8_t port, 
    uint8_t ss
);
Parameters
handle

A handle to the DLN-series adapter.

port

A number of the SPI master port.

ss

The number of the SS line.

Return Value
DLN_RES_SUCCESS (0x00)

The function successfully enabled the SS line.

DLN_RES_INVALID_PORT_NUMBER (0xA8)

The port number is not valid. Use the DlnSpiMasterGetPortCount() [1] function to find the maximum possible port number.

DLN_RES_SPI_MASTER_INVALID_SS_VALUE (0xB9)

The number of the SS line is invalid. Use the DlnSpiMasterGetSSCount() [2] function to check the available number of SS lines.

Remarks

The DlnSpiMasterSSEnable() function is defined in the dln_spi_master.h file.

Links:
[1] http://dlnware.com/dll/DlnSpiMasterGetPortCount
[2] http://dlnware.com/dll/DlnSpiMasterGetSSCount