DlnI2cMasterGetFrequency() Function

The DlnI2cMasterGetFrequency() function retrieves the current I²C bus clock frequency.

Syntax

C/C++

DLN_RESULT DlnI2cMasterGetFrequency(
   HDLN handle,
   uint8_t port,
   uint32_t* frequency
);

Parameters

handle: A handle to the DLN-series adapter.
port: A number of the I2C master port.
frequency: A pointer to an unsigned 32-bit integer that receives the current I²C bus clock frequency in Hz.

Return Value

DLN_RES_SUCCESS (0x00): The function retrieved the current clock frequency value successfully.
DLN_RES_INVALID_PORT_NUMBER (0xA8): The port number is not valid. Use the DlnI2cMasterGetPortCount() function to find the maximum possible port number.

Remarks

The DlnI2cMasterGetFrequency() function is defined in the dln_i2c_master.h file.

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