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DlnSpiSlaveGetCpol() Function

The DlnSpiSlaveGetCpol() function retrieves the current value of clock polarity (CPOL).

Syntax
C/C++
DLN_RESULT DlnSpiSlaveGetCpol(
    HDLN handle, 
    uint8_t port, 
    uint8_t *cpol
);
Parameters
handle

A handle to the DLN-series adapter.

port

A number of the SPI-slave port.

cpol

The pointer to uint8_t variable that receives the current CPOL value.

Return Value
DLN_RES_SUCCESS (0x00)

The function successfully configured the slave port mode.

DLN_RES_INVALID_PORT_NUMBER (0xA8)

The port number is not valid. Use the DlnSpiSlaveGetPortCount() function to find the maximum possible port number.

Remarks

The DlnSpiSlaveGetCpol() function is defined in the dln_spi_slave.h file.

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