DlnI2cSlaveIsEnabled() Function

The DlnI2cSlaveIsEnabled() function checks whether the specified I²C slave port is active or not.

Syntax

C/C++

DLN_RESULT DlnI2cSlaveIsEnabled(
  HDLN handle,
  uint8_t port,
  uint8_t* enabled
);

Parameters

handle

A handle to the DLN-series adapter.

port

A number of the I²C slave port.

enabled

A pointer to an unsigned 8-bit integer that receives information whether the specified I²C slave port is active or not. There are two possible values:

DLN_I2C_SLAVE_DISABLED (0) - The I²C slave port is inactive.
DLN_I2C_SLAVE_ENABLED (1) - The I²C slave port is active.

Return Value

DLN_RES_SUCCESS (0x00): The function successfully retrieved information.
DLN_RES_INVALID_PORT_NUMBER (0xA8): The port number is not valid. Use the DlnI2cSlaveGetPortCount() function to find the maximum possible port number.

Remarks

The DlnI2cSlaveIsEnabled() function is defined in the dln_i2c_slave.h file.

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