Serial Communication Library

HS Crypto C Source Library
Free - Hillstone Software

HS Crypto is a software library in C (supplied with full source code) which offers a programmer an API to several data encryption / decryption algorithms. Implemented methods include the use of 2 either pre-defined or dynamically generated translation tables, an XOR-based stream cipher method with random dynamic key, plus the library includes RFC1321 MD5 Message Digest Algorithm

serial, win32 com, serial communications, asynch communications, win32 serial, c source module, gpgsa, global positionning system, course, gpgga, speed, nmea sentence

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Free Serial Port Monitor
Free - HHD Software

Free software serial port monitor, Com Rs232 sniffer with communication packet data analyzer. This monitoring utility can spy, capture, view, analyze, test com ports activity performing com port connection and traffic analysis with data acquisition and control. You can use this system as device interface testing tool, modem data transfer viewer and so on.

encryption, gprmc, heading, gpgsv, nmea 183, gps source code module, gps decoder, fleet tracking, nmea decoder, telematics, altitude, gpvtg

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HS GPSDLL Library
Free - Hillstone Software

HsGpsDll is a Windows Dynamic Link Library which provides access to any NMEA-183 compliant GPS receiver via a serial communications port. HsGpsDll is designed for use from Visual C, Visual Basic or other programming languages. HsGpsDll allows a user application to easily read from a GPS device the current GPS position fix and current velocity over ground (speed in kilometers per hour), decoding sentences $GPGGA and $GPVTG.

asset tracking, navigatoin, gpgll, rs232, xmodem, xmodem protocol, sms dll, sms source code, secure sms, gsm 07 05, sms with encryption, gsm 03 40

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SAL232
Free - HW group s. r. o.

Sal232 is effective, user friendly utility when you need to analyze and log your serial communication. Received data are stored together with time marks that can be used to read time context. Specific details (time delay, Hex characters, etc.) are highlighted with various colors. Recorded data can be stored in .RTF file. It's only one .EXE file and no installation is required. It's distributed as freeware.

sms library, testing, modem, view, packet, traffic, analysis, encryption source code, monitoring, system, protocol module, protocol library

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