Software Development Expertise

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Development Languages and Tools:
ANSI C, C++, C# .NET (C Sharp), Visual Basic, Motorola MC68HC11, MC68HC16 assembly, Intel 80C51 assembly, Intel 8086 assembly, 80C51 C (Keil Software), C for Motorola microcontrollers (Introl and Microtec). C for MIPS Linux, Visual C and C# for Windows Mobile 5 and Windows CE

Communication protocols:
RS232C, I2C, IP, TCP, UDP, PPP and multilink PPP, ICMP, TFTP, FTP, SMTP, POP3, NTP, P1024C, ISO 1745 (IBRO-30 EFT POS), TPAD, HDLC / LAPD /LAPB, X.25, X.31, ISDN layer 3 (Q.931), XMODEM, V.23/Bel FSK / Caller ID, GSM/GPRS, Bluetooth, H.323, RTP, GSM 07.05, GSM 03.40 (SMS).,GPS NMEA 183, XOT (RFC1613), ISO TP over TCP (RFC1006)

Encryption and Authentication:
AES, DES, Triple DES, ARC4 (Alleged RC4), CAST-128 (a.k.a CAST5), Blowfish, Twofish, RSA, MD5 (message digest algorithm), SHA-1 (Secure Hash Algorithm)

Device Drivers and "Near Hardware" Software Development:
Motorola SCI and SPI systems, 80C51 serial drivers, A/Ds, LCDs and 7-seg LEDs, I2C EEPROMs, chip monitors, UARTs & DMA , RF transceivers and telephony hardware: voice codecs (Siemens, VoicePump / DSP Group, Lucent), SLICs (AMD, Lucent), Realtek ethernet switch, Brooktrout cPCI PRI cards, Conexant V.92 modem chipset., SBS ATM cards, ISDN transceivers (Siemens IPAC, NEC – Japanese ISDN), Motorola cPCI chassis, SBS E1/T1/X.21 cards, Ramix PMC Quad Ethernet Cards, Nokia, Falcom and Siemens GSM / GPRS modules, SBS DS3 card, PowerQuicc MPC875 SECLite hardware encryption engine drivers

Operating Systems:
Windows 2k, XP, Vista, Windows Mobile, Windows CE, Linux, Pharlap embedded OS.

Past Projects:

• CISCO XOT protocol module (X.25 over TCP - RFC1613) for embedded system and Windows OS
• Development of GPS module drivers for embedded platform
• Development of RFID smart card and GPS integration utility for Windows XP
• Development of TFTP DLL for use from Visual Basic on Windows OS
• Development of XMODEM upload utility for Windows OS and embedded system
• Development of DLL library and Front End GUI for interfacing Visual Basic Stock Exchange trading terminal application to Eicon X.25 card
• Development of TFTP library and front end application for Windows CE 5.0
• X.25 Incoming Call Offering procedures on ISDN D Channel using Q.931 protocol in point-to-multipoint configuration (embedded system)
• NT mode support in Infenion IPAC ISDN driver (embedded system)
• OAM Loopback feature in SBS ATM card driver (embedded system)
• GSM / GPRS card driver (embedded system)
• Realtek multi-port ethernet switch driver (embedded system)
• Low level V.92 modem driver (embedded system)
• Compact PCI (cPCI) Hot Swap feature for PRI ISDN Cards
• IBRO-30 protocol (ISO 1745), a.k.a. TPAD (embedded system)
• North American Caller ID (Bell202 FSK) support (embedded system)
• DMA interface to High Speed UART (embedded system)
• V.23 FSK Caller ID (embedded system)
• Driver for VoicePump VP140 Codec / Voice processor (embedded system)
• Call Forwarding of Internal PBX calls (embedded system)
• Speed Dial feature (embedded system)
• Device drivers for Security Badge Reader Controller and 6 Port RS485 Security Network Hub (embedded system)
• Enhancements to Sirena airline network router
• Design and implementation of airline network terminal, supporting 12 RS232C ports, Ethernet, X25, Netbios and P1024 (terminal protocol for Airline reservation network)