DlnI2cSlaveSetAddress() Function

The DlnI2cSlaveSetAddress() function assigns I²C addresses to the specified I²C slave module. You can assign any 7-bit address, the limitation is only in quantity of addresses that can be used simultaneously. Use the DlnI2cSlaveGetAddressCount() function to retrieve the number of simultaneously supported I²C slave addresses.

Syntax

C/C++

DLN_RESULT DlnI2cSlaveSetAddress(
   HDLN handle,
   uint8_t port,
   uint8_t slaveAddressNumber,
   uint8_t address
);

Parameters

handle: A handle to the DLN-series adapter.
port: An I²C slave port to be configured.
slaveAddressNumber: A number of the I²C slave address to be assigned. Use the DlnI2cSlaveGetAddressCount()function to retrieve the number of simultaneously supported I²C slave addresses. The slaveAddressNumber is zero based.
address: An I²C slave address to be set to the specified I²C slave port.

Return Value

DLN_RES_SUCCESS (0x00): The function successfully specified I²C slave addresses for your DLN adapter.
DLN_RES_INVALID_PORT_NUMBER (0xA8): The port number is not valid. Use the DlnI2cSlaveGetPortCount() function to find the maximum possible port number.
DLN_RES_BUSY (0xB6): The function cannot specify I²C slave addresses for the DLN adapter while the I²C slave port is busy transmitting data.
DLN_RES_INVALID_ADDRESS (0xB4): The I²C slave address is not valid.

Remarks

The DlnI2cSlaveSetAddress() function is defined in the dln_i2c_slave.h file.

Версия для печати

Вы здесь

Языки

Вход на сайт

Форма поиска

Вход на сайт