BitLevelCOM Demo Serial Communications C Library for Win32 OS Platforms: Windows 95/98/ME/NT/2000/XP     Size: 317 K     Cost: $72 Buy full version       Trial version           Descriptions BitLevelCOM Demo: This program is a demo application for BitLevelCOM software library (with full C source code) that allows a calling user application to access serial communication ports (COM devices) under 32-bit MS Windows operating systems. It allows to transmit data, receive data and control line signals (such as RTS and DTR). BitLevelCOM Library conveniently packages standard Win32 OS Communications API by providing only a few simple API services to user