Windows® CE 3.0 Application Programming

Chapter 9. Serial Communications

Serial communications can be used to communicate to many different types ofdevices, from servers and minicomputers through to desktop PCs and GPS devices. Most of the time serial communications uses an RS232 serial port, and nearly all Windows CE devices have such a port. Other devices, such as some PCMCIA cards, use serial communications to transfer data using a virtual communications port rather than an RS232 port. Serial communications can also be used to transfer data between infrared ports.

Serial communications is being used less and less for communicating between Windows CE devices and other compfuters, since Point to Point Protocol (PPP) is used across an RS232 connection, and PPP allows TCP/IP communications ...