We are running a survey to help us improve the experience for all of our members. If you see the survey appear, please take the time to tell us about your experience if you can.
I am a traffic Engineer working on 27C128Q programming software. I like to use the 89S52 or equivalent to replace this old Eprom and make the new hardware for our traffic control. Can I transfer the old software to the new one? How can I do this? If anyone can help me?
I like to know if there is any existing reliable traffic control software I can order or someone can help me to make the programme according to my specific requirements?
Please contact with me if anything can help.
Thanks,
Steve
Dear Andy,
As I am a new user of this forum, I missed your message until I review the past emails today.
Traffic I mentioned is City Road Traffic Controls. Simply, I meant city traffic light control systems.
I have been working on City Area Traffic Control (ATC) systems many years. The softwares I work on were based on old EEproms and electronics that I want to find someone can help me to transfer them to latest electronics and improve the software that I have in hand.
This includes software and PCB design and/or production of PCBs as a whole.
I look for reliable proper latest products and technical software engineers which can help me to do this job.
Thanks for your link. I will look at it.
Please comment.
There must be a number of companies that have these products on the shelves for delivery, including configuration software to chain them together and take care of rush-hour, normal, off-hour schedules.
Why do you want to develop your own solutions - unless you are a company that sells ATC solutions to cities?
If there are an accident at a crossing, and both drivers claims they had a green light, there can be quite interesting times unless the equipment supplier can produce evidence that it is impossible to have a green light in two directions at the same time, for example because the hardware makes use of priority encoders, where a uC can only select one of several patterns, instead of being able to control all individual lamps.
Traffic engineering has a lot of requirements and restrictions for road traffic controllers. We have one software being in use for over 20 years which is proved workable but old.
We want to maintain the same kind of control. The initial software version was using 8080A and 8085A at 1980. The company who developed this software closed since 10 years ago and no one can support the software anymore.
We are a contractor with some jobs since 1980.
Technically we know how to control an intersection and link all intersections as an ATC. We need software engineer to help to renew the system.
Thank for your reply.
Steve; Notice on the Home page of this website is a link to Consultants. Also, I have noticed on the NXP ARM website a similiar link to consultants by device types. Earlier you mentioned a 80C51 family device. I would suggest that you look at some of the newer ARM chips that have more internal memory at less cost than a 80C51 type. But still you can't beat the 80C51 family of devices for bit banking controllers. Look at the 'Traffic' example in the eval software for a quick idea of very simple traffic control. Bradford
Dear Al,
Thank for your message and I did try very hard to find the link for traffic example but without luck.
Can you send me some links related to this matter? I really interest to know more to study.
I prepare to buy traffic controller programming software and make the PCB if it is available.
Thank you.
Steven; The 'traffic' example comes in several different examples. This link is for the 80C51 family and Keil's PK51 progamming package. http://www.keil.com/support/man/docs/tr51/tr51_ex_traffic.htm
You can download an evaluation package from this website. I'm not sure if the eval package will allow you to re-compile this size of program but it will be pre-compiled and operational to view in the tools simulator if you DO NOT re-compile. By no means is this a true traffic controller. It was written to demo the multitasking of the Keil's tools. Just go to the search box and enter traffic and select the tool set(device family). You will get several links including the User's Getting Starting Manual. I personally have no idea where you might purchase a ceritfied traffic program but a consultant would be able to point you in the right direction. Just one other point. Several FPGA CPLD vendors have chips that can incorporate small microcontrollers. If you cannot find what you need in price/ability, I'm sure that the FPGA vendors can advise you on their products.