SLAVE DEVICE HANDLING ALGORITHM USING THE SAME PORT OF A MASTER DEVICE

摘要

PURPOSE: A method for controlling communication between a master device and a slave device is provided to connect a master device with a plurality of slave device by using a serial clock port and a serial data port. CONSTITUTION: An operation of a slave device is determined. An ID of a corresponding slave device is confirmed when the slave device is operated. The slave device corresponding to the ID is detected and determined. A routine of the confirmed slave device is performed. A flag is set up to indicate using of the confirmed slave device. A data transmission process is performed by a protocol of the corresponding slave device. The flag is cleared when a communication process with the corresponding slave device is finished.