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Recent content by BojackHorseman

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    Problems in UART Communication using Nexys 3 board

    As in what information ? All the information that I have are already mentioned in this thread and my question.
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    Problems in UART Communication using Nexys 3 board

    What I mean to say is, everything is working in simulations but not when it is implemented on my Nexys 3 board. Nexys 3 board already has a microusb port on the board itself for UART communication. So all we have to do is connect the USB to microusb cable and assign assign that port as the...
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    Problems in UART Communication using Nexys 3 board

    1. The data given is decimal value 10. So the output - at least in the simulations - corroborate the given input. 2. We checked the baud rate multiple times - the calculation done to get the value, baud rate selected on the RealTerm software - and we didn't find any discrepancies there. 3. The...
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    Problems in UART Communication using Nexys 3 board

    @dpaul @FvM @barry The screenshot where its showing the transmission of data in uart_tx The reset stays 0 for 100ns after which it goes high.
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    Problems in UART Communication using Nexys 3 board

    Well we are designing it for only sending 1 byte as of data now. Also the code for UART Tx-Rx was given to us directly by our prof who is also using the same code Also is there a way to generate the tx_wr one pulse again once tx_done has gone high ? uart_tx is working only in simulations. Not...
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    Problems in UART Communication using Nexys 3 board

    uart_tx is transmitting as expected and it was actually cutoff while taking the screenshot
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    Problems in UART Communication using Nexys 3 board

    I am trying to send a 1 byte of data from my Nexys 3 board to my PC using UART communication. But the problem is whenever I try to view the data on Real Term no matter my input(hard coded into the code or given via switches) the transmitted data always shows 0. I checked by simulating the entire...
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    Rounding off values while dividing.

    I have the code for dividing two numbers but whenever the final result is a decimal number, I always get the floor value. I want my output to be such that if the final value (lets say X) is greater than or equal to X.5 then the final value should be X+1 else remain X. Is there a way to do that...
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    Finding time period of an unknown signal

    The frequency range is from 1000Hz to 9999 Hz. As for resolution I want the output in microseconds and update every 1 second.
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    Finding time period of an unknown signal

    I want to find the time period of an unknown signal in microseconds. I already have a code that helps me find the frequency of an unknown signal. Is there a way to modify that code to find the time period of that signal in microseconds ? `timescale 1ns / 1ps module freq_counter( input...
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    Getting the warning XST:1710 and 1895 while running my top module.

    My aim is to find the pulse width of an unknown incoming signal. To that I have written the following synthesizable verilog code but I am getting the warning XST 1710 and XST 1895. When I try to simulate the code, I get 'XXXXXX' in red. Top module: `timescale 1ns / 1ps module top(...
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    [SOLVED] Test bench for Seven Segment Display (Nexys 3 board)

    I want to simulate the code for a seven segment display but I am not getting how to write the test bench for the same. I generate the test bench using ISE Xilinx but when I simulate by giving input values SEG and AN are shown XXXXXX(in red) in the simulation waveform. Code: module sseg(...
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    [SOLVED] Trying to debug binary to bcd using double dabble algorithm.

    I am trying to build a Binary to BCD converter using the double dabble algorithm. I wrote the code for the same and when I simulated the entire thing it was observed that my if statement is not getting executed properly. `timescale 1ns / 1ps module test_6( input [13:0] bin ...

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