用于读写并口数据，读写方式采用EPP模式, Uses in read-write and the mouth data, the read-write way uses the EPP pattern

There are seven example programs contained in the following directories for using IVI-COM: SendSCPI: Shows how to send SCPI commands and read the response by using the IVI-COM driver calls to do the custom IO. Mux_L4421A: Illustrates 2 wi