set_slave_addr function

The set_slave_addr function specifies the target slave address. The prototype for this function is:

int set_slave_addr(
      void *hdl,
      unsigned int addr,
      i2c_addrfmt_t fmt );

The arguments are:

hdl

The handle returned by the init function.

addr

The target slave address.

fmt

The format of the address; one of:

• I2C_ADDRFMT_7BIT
• I2C_ADDRFMT_10BIT

The function must return:

0

Success.

-1

Failure.