VM_DCL_HANDLE i2c_handle; vm_dcl_i2c_control_config_t conf_data; i2c_handle = vm_dcl_open(VM_DCL_I2C,0); if(VM_DCL_HANDLE_INVALID==i2c_handle) return; conf_data.reserved_0 = 0; conf_data.transaction_mode = VM_DCL_I2C_TRANSACTION_FAST_MODE; conf_data.get_handle_wait = 0; conf_data.reserved_1 = 0; conf_data.delay_length = 0; conf_data.slave_address = 0x98; conf_data.fast_mode_speed = 400; conf_data.high_mode_speed = 0; vm_dcl_control(i2c_handle,VM_DCL_I2C_CMD_CONFIG,(void *)&conf_data); //To do something with the handle.