In order to save numerous man power hours fritter away to monitor various process parameters in industries whole day, the design presented in this paper gives solution to acquire data at desired rate and monitor fault with alarm system. The design introduces wireless information flow between on field acquisition and remote monitoring part at the office. DSP processor TMS320F2812 which is a very low cost DSP processor; with its 32-bit CPU timer offer real time operation utilizing interrupts. The design presented gives multi edge benefits of signal processing besides employing wireless medium for remote transmission of acquired data in highly secured medium. Cypress made Radio Frequency transceiver CYWUSB6935 using Direct Sequence Spread Spectrum (DSSS) modulation interfaced with DSP processor using Serial Peripheral Interface (SPI). The design represents extended External Interface (XINTF) of the DSP processor by means of programming CPLD XCR3256. The data is available to the monitoring computer on one press of button without laying long cables in maladroit industry environment. This leads towards automation and cost saving solution for industries. It can be modified to handle very low sampling rate creating database of long time as well as to the real time alarm generation system. The design can be enhanced for various applications like remote security system, RF counting of inventory, traffic monitoring system, weather control system and many more.

1. “TMS320F2810, TMS320F2811, TMS320F2812, TMS320C2810, TMS320C2811, TMS320C2812 Digital Signal Processors”, Data Manual, SPRS174J, April 2001-Revised December 2003
2. “CYPRESS Wireless USB™ LR 2.4-GHz DSSS Radio SoC, CYWUSB6935”
3. “XCR3256XL 256 Macrocell CPLD”, DS013 (v2.5) product specification, February 2004, DOI= http://www.xilinx.com
4. “Research of Data Acquisition and Analysis System for Internal Combustion Engine Based on DSP”, Y H Gao, X L Tian, P Cheng, X Chang and W J Dou, International Symposium on Instrumentation Science and Technology, Journal of Physics: Conference Series 48, 2006
5. “Based on the exchange TMS320F2812 Frequency Control System Design”, http://www.ddsic.com
6. “Development of Digital Signal Processor Controlled Quantum Cascade Laser Based Trace Gas Sensor Technology”, Stephen G. So, IEEE, Gerard Wysocki, J. Patrick Frantz, Member, IEEE, and Frank K. Tittel, Life Fellow, IEEE Sensors Journal, Vol. 6, NO. 5, October 2006
7. “The Application of DSP Technique in the Field of Relay Protection”, Jianguo Ruan, Jiajun Lin, East China University of science and technology, Shanghai, China, IEEE Journal 2005, pg 1326-1329
8. “An Easy Way of Creating a C-callable Assembly Function for the TMS320C28x DSP”, Todd Anderson, Digital signal processing solutions, SPRA806, TI, December 2001

Texas Instrument (TI) DSP TMS320F2812 CPLD XCR3256 extension Wireless interface CYWUSB3256 Real time measurement