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ArticlesVisual RAD Gets Very Small


September 1996 / Bits / Visual RAD Gets Very Small
Rick Grehan

MP-Driveway plays in the realm populated by "deeply embedded" applications. Such applications are typically constructed around a microcontroller with internal ROM and RAM, plus peripheral devices: lights, switches, and valves, for example. The software developer sees a microprocessor whose finite set of on-chip peripheral controllers must be efficiently deployed.

Launch MP-Driveway, and your project is displayed in hierarchical tree form. This inverted "project tree " is rooted in the CPU, with branches consisting of

the on-chip peripherals. For example, when you choose a project built on the PIC16C64, you see an icon representing that processor as the root, and beneath are labeled icons of the 16C64's peripheral deivices: five I/O ports, capture/co mpare and PWM registers, interrupts, and other elements.

Building an application amounts to clicking on a peripheral and selecting associated routines for controlling that device from MP-Driveway's built-in library. If you want to use PORTB as an input port, you click on the PORTB icon, and dialog boxes lead you to the appropriate routine. Once you've assembled all the control routines that your application needs, simply click on the Generate menu selection, and MP-Driveway emits C source code.

MP-Driveway is the result of a collaboration between Aisys (which sells Driveway for other chip families) and Microchip Technology. MP-Driveway sells for $495, and you will need the Byte Craft MP-C compiler ($795) to create an executable. (Microchip will have its own compiler available for $695 by the time you read this.) If your applications find you working frequently with Microchip's PIC family of processors, this is one product you must investigate.


Product Information


Microchip Technology

Phone:    (602) 786-7299
Internet: 
http://www.microchip.com


Byte Craft, Ltd.

Phone:    (519) 888-6911
E-Mail:   
info@bytecraft.com


Aisys

Phone:    (800) 397-7922
Internet: 
http://www.aisys-usa.com


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