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Questions tagged [bus]

A Bus is a physical device used to connect different functional blocks of a computer or a different computers in order to communicate them together. Also Bus is a data type in MATLAB language used to bundle some data to virtual (just for useful rendering) or non-virtual (for contiguous memory allocation) structure.

The Bus advantages (as physical device) over wires are reducing the needed number of wires and catholicity. The main characteristics of Buses are width (amount of bits can be transmitted at once) and frequency (work speed).

The Bus as a structure of MATLAB language used to bundle different variables (or signals, for example in Simulink) in one structure. Can be used as virtual bus just for convenient accessing to variables and for reducing number of wires at Simulink diagram or as non-virtual - Nonvirtual buses use contiguous memory allocation for variables.

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OBD2 is giving me a bus init error

I am working with a C# to build a application that would be similar as the other OBD2 reader applications. I have tested a OBD2 adapter which is connected troughthe Bluetooth port to my PC. I was testing this adapter with the following program…
user123_456
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STM32F4 How to get first message from Can1 and send it to Can2 , Can1 and Can2 have different speed

I have a development kit STM32f4 discovery kit and it has double Canbus interface modules. How to get first message from Can1 and send it to Can2 , Can1 and Can2 have different speed
saucompeng
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What is the MaxDetect 1-wire bus?

I bought this sensor: http://dlnmh9ip6v2uc.cloudfront.net/datasheets/Sensors/Weather/RHT03.pdf and the output is "MaxDetect 1-wire bus", What does it mean and how to use it? I tried to connect it to the arduino and program it but it's not working…
EEstud
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Azure Service Bus Free Trial

I have registered, a week ago, for trying windows azure free for 3 months. However I cannot seem to find a menu option for Service Bus or Access Control to create service bus queues and topics. Are these not offered as part of the free trial? I read…
user1553556
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c#/.net service bus using sql server

I know there are mature frameworks out there like nservicebus, but I would like a queue that utilizes sql server and not msmq/rabbit. Is there one out there? Thanks in advance.
Paul Knopf
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Intersection of data using CPU Address Bus

I'm reading a paper and in a part of this paper there is a note about intersecting sets using address bus. This is the exact quote from the paper: Fast retrieval methods often rely on intersecting sets of documents that contain a particular word…
Pouya
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Getting a bus error in Assembly in-line programming x86

I stumbled upon an assembly programming challenge where I need to find why the following code gives a Bus Error when trying to run it. After much googling, I still can't figure out why.. My understanding of assembly x86 not great, any tips on…
juliensaad
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Microprocessor data bus and address bus width on a modern x86 CPU?

Hello I am having trouble with the work of finding the width of data bus and address bus as I have seen no tutorials show how to find out that information. I hope that someone can help me as my chip is Intel Core i7-6820HQ 2.7GHz. Here are some…
kaito kumon
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How to design memory map (physical RAM and ROM address bus connections) for 8086 microprocessor?

It is desired to design a 64kb memory decoder for the 8086 microprocessor using two 16KB SRAM and two 16KB EPROM chips. Assuming the microprocessor wants to write to memory address 0A557H, which chip select and location select will the system use? I…
myestery
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8085 microprocessor connection of CPU data bus with RAM data bus

What would happen if the CPU data-bus bit 2 is connected to the RAM data-bit 5 and CPU data-bus bit 5 is connected to RAM data bit 2? Assume the rest of the connections are all right – explain. My thoughts - I think that the second and the fifth bit…
Yukti Kumari
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I wanna make strncpy function directly, can you review my code? There is bus Error

I wanna Make strncpy function by code, not by using Library or Header but There is zsh bus error..... What's wrong with my code? What's the zsh bus error?? #include #include char *ft_strncpy(char *dest, char *src, unsigned…
Joseph
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If a microprocessor and bus have different bit systems, is the microprocessor system bus cycle (continued)

Full Question: If a microprocessor and bus have different bit systems, is the microprocessor system bus cycle the amount of time it takes to get the microprocessor's amount of bits, or the system bus's? Example: If the microprocessor has a 64-bit…
Jon Doe
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Using python functions in html

First of all, I am not a native English speaker, so please forgive any spelling mistakes I may have. I am trying to integrate HTML and Python to create a GUI that can "speak" to a bus (KNX bus if you are interested). I have a raspberry pi with an…
Marcos Elric
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Why does one of these two indexing patterns give me an "index out of bounds" error?

With ncsim the following code throws the error: Bit-select or part-select index out of declared bounds. However, the commented out code which does exactly the same thing doesn't. Am I missing something or is the compiler mistaken? module…
Charles Clayton
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Verilog: Concatenate bus and indexing

I can create a bus as below: reg [2:0] a; wire x,y,z; assign {x,y,z} = a; Can I use {x,y,z}[1:0] ?
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