Development of DLL files with provided communication protocol to comunicate with a metering devices, The protocol such as below " I, read data:
a. PC software request information data format：
2F 3F 8bytes meter address 21 0D 0A (13byte)
b. Meter request answer data format:
02 59 54 4C 33 5C 50 8bytes address 0D 0A 02 8bytes balance credit 8bytes total credit 5bytes voltage 5bytes current 5bytes power 21 0D 0A 03 BCC （total 54bytes）
note1：in this protocol, all BCC is the cumulative data from the second byte, adopt low 7bits, occupy one byte.
note2：8bytes balance credit and 6bytes in the front of total credit are whole number, last 2bytes are decimal. 3bytes in the front of 5bytes voltage and current are whole number, last 2bytes are decimal. 2bytes in the front of 5bytes power are whole number, last 3bytes are decimal."
other information to be supply.
12 freelancers are bidding on average $523 for this job
I am willing to discuss further about the project needs and specifications to deliver the same .
I have a large experience with VB.NET and communication protocols. You will must give more information about protocol.
Hello I am interested in working on this project I am also odesk certified developer in VB6 , VB.NET , .NET Fundamentals , ERP etc Online Profile [url removed, login to view] Daha Fazla
Hello, I am a .Net programmer having 8+ years of experience and 100% confident to take over this task and complete it in best possible timeframe with no compromise in quality. My overall experience includes web d Daha Fazla
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6.5 years experience on Software development and 4 + years experience on DLL development in VB 6.0. I have enough knowledge on building DLL on VB Technology. I am pretty confidence to complete this project in given tim Daha Fazla
Dear sir. Thank you for your job posting. I read your requirement carefully and understood what you need. I am very interested in your project so I want to contact you quickly and discuss with you about your project de Daha Fazla
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I am a good .NET developer with over ten years growth experience in mainly C# and [url removed, login to view], plus a few other languages. Before I became a full time developer, I was an electronics technician, so I understand various devic Daha Fazla
Hi, Employer. Thank you for your post. I'm very interest for your task. I am expert in communication program between PC to terminal device using comport. I have done similar a job like as your task. Circuit design Daha Fazla
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