8051上的CRC8校驗 A CCITT-8 CRC calculator. The source contains both the calculated (smaller but slower) version, and the table driven (faster but larger) version.
The TapiComm sample uses both the Telephony API and the Win32 Communications API to demonstrate one way to implement a very simple TTY application. While the user interface and TTY emulation are very rudimentary, the TAPI and comm modules are fairly complete.
The Kannel Open Source WAP and SMS gateway works as both an SMS gateway, for implementing keyword based services via GSM text messages, and a WAP gateway, via UDP. The SMS part is fairly mature, the WAP part is early in its development. In this release, the GET request for WML pages and WMLScript files via HTTP works, including compilation for WML and WMLScript to binary forms. Only the data call bearer (UDP) is supported, not SMS.
This document describes the MPI and MPI standards They are both extensions
to the MPI standard The MPI part of the document contains clarications and
corrections to the MPI standard and denes MPI The MPI part of the document
describes additions to the MPI standard and denes MPI These include miscellaneous
topics process creation and management onesided communications extended collective
operations external interfaces IO and additional language bindings