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Found 101 results

  1. abcdef

    BASYS3 with Microblaze in Vivado 16.x

    I have been trying to implement a simple Hello World program using a Microblaze IP on a BASYS3 board using Vivado 16.1 and 16.2. I have had success using the Microblaze MCS design shown in figure mb1.pgn below, which shows that the board and interface works. However, after many attempts I have never been able to get the design working using a Microblaze, as shown in image mb2. png below. My simple question is, has anyone gotten the Microblaze to work on a BASYS3 using the free Web version of Vivado 16.1 or 16.2? Here is some additional information, for anyone interested: To get the Microblaze MCS design to work, it’s important that "reset" is set to Active High. Also, when creating the ELF file I use the following approach which seems to work fine in Vivado 16.x: Create the complete block design and the design wrapper; run synthesis and then File / Export the Hardware (without including the bitstream;) then File / Launch SDK. In SDK, use File / New Application Project and select the Hello World application. After SDK creates (automatically) the ELF file, associate it in Vivado with the design under Tools \ Associate ELF file; finally, in Vivado generate the bitstream and then in the Hardware Manager program the BASYS3 board and observe the UART output with a terminal program. As I said, this seems to work without any problems with the Microblaze MCS but not the Microblaze. Strangely, the Microblaze design does not create any error messages or obvious warnings. Greatly appreciate any insight. Thanks.
  2. Hello, I'm trying to configure my Basys 3 board to control a DC motor through the Pmod connector with an HB5 within Vivado. I've followed all steps in the Pmod IP tutorial but I'm stuck at 3.3. I'm not sure which specific pmod ip block I should use or how exactly to connect it. I couldn't find one corresponding to the hb5. Any advice would be greatly appreciated. Additional points: I don't need clocks or interrupts fed to the pmod I'm simply trying to control the operation (on/off) of the motor through one of the on-board switches. Thanks, gd
  3. GabrielYamato

    Basys 3

    Hi all, I have some questions regarding Basys 3 Artix-7 FPGA Trainer Board. Is it possible to use Adept to program Basys 3 Artix-7? Is ISE 13.2 compatible with Basys 3 Artix-7? Thank you in advance,
  4. Foisal Ahmed

    Basys3 Boards Problem

    Hi, I am working to establish a Measuring unit for testing FPGA board. I have used Artix-7 Device in the Basys3 FPGA board. My system is automatically measure ring oscillator frequency for the 5s duration of various location. I have used a counter to measure the frequency and showing in the 7-segment display for 5s and reset it after 5s. After 15s next ring oscillator is going to run and showing the same thing. I have successfully implemented and checked for three different Basys3 FPGA board. But the problem is that now it is not working for another three new Artix-7 Devices which I have bought just one month before. Same Verilog program is working in my previous three board but not working for the new three boards. Each operation, I have run 10 ring oscillator sequentially with each for 5s but after running one ring oscillator properly, then another ring oscillator has been gone to zero or sometimes not stop properly at the specific time. I have used the case statement to run individual ring oscillator. Please help me where is my main problem. I think in frequency counter function the clock from ring oscillator showing some problem but why is does not shown in other three FPGA board. The problem shows me very interesting but also painful to fix up it. Thanks
  5. NIcko

    BASYS3 programming...

    Hi - Simple programming - to get started with a BASYS3, do I need a JTAG cable or anything else other than a USB connection? Thanks
  6. How do I program the Quad SPI on the Basys3? The reference manual says it is possible from Vivado, but I am at a loss how to do it - IMPACT only detects the FPGA. On the Basys2 the process is pretty self-evident - Click the correct button in Adept, but what steps are required in IMPACT for the Basys3? Just a hint or a link would be great!
  7. zener

    Basys 3 D1-8 components

    Hello, I am trying to understand the protection mechanism of the I/O pins on the Basys 3, and would like more information about components D1-8 on the first page of the schematic. Could someone please tell me the part number? Best, Zen
  8. Hello I want to send an image from nexys4 DDR to basys3 through pmod. Is it possible? If yes then how to connect them. Nexys4 DDR will be master device.
  9. I am using basys 3 and VHDL to create a stopwatch and I need to do it for both the 7 segment display of the basys3 itself and for a external 4 digit 7 segment display. I am given the clock divider code for the 7 seven of the basys3 by my instructor and I managed to do the stopwatch. When I changed all my constraints to the PMOD pins and connect to the external 7 segment I can see that it works because it stops and resets but it does the counting so quickly that I can't read at all. I am thinking that the problem may be because of the clock divider and the frequency of the clocks. The given code states that since the original clock of the basys3 is 100 MHz a counter will count up to 500000 to obtain a 100 hz and another counter will count up to 208334 that is 240 Hz. First of all I didn't understand why the second clock is 240 Hz and why do the counters count up to these irrelivant numbers. Secondly what can I do for the external 4 bit 7 segment to slow it down?
  10. Hi, I am trying to learn verilog and digital design using basys3 and vivado (webpack) tools. I implemented a jk flip flop using the following logic: module jk_flip_flop ( input [1:0] sw, input clk, input btnC, output reg [0:0] led); always @ (posedge clk) begin if (btnC == 1) led[0] = 0; else begin if (sw[0] == 1) begin if (sw[1] == 1) led[0] <= ~led[0]; else led[0] <= 1; end else begin if (sw[1]) led[0] <= 0; end end end endmodule What I see is when sw[0] and sw[1] are both 1 and if the previous led state was 1, the led does not turn off completely (it just gets dimmer). What could be the problem here, and how would I go about fixing it? I also tried using other LEDs on the board and each had the same problem. Thanks.
  11. Hello, I am attempting to communicate to a Pmod RF2: IEEE 802.15 RF Transceiver with a Basys3 board using the SPI protocol in VHDL. The microchip on the pmod is the MRF24J40. How do I identify the address of the MRF24J40? To my understanding, if I want to write/read a memory location on the MRF24J40, I need to send the address followed by the address of the specific memory location on the MRF24J40. Is it written on the microchip itself? The master and slave SPI modules that I am attempting to use are linked to this post. The documentation for the master and slave links are below. The specification sheets for the pmod and MRF24J40 are included as well. Master: https://eewiki.net/pages/viewpage.action?pageId=4096096#SerialPeripheralInterface(SPI)Master(VHDL)-Transactions Slave: https://eewiki.net/pages/viewpage.action?pageId=7569477 Pmod: https://www.digilentinc.com/Pmods/Digilent-Pmod_ Interface_Specification.pdf MRF24J40: http://ww1.microchip.com/downloads/en/DeviceDoc/39776C.pdf Thank you. spi_slave.vhd spi_master.vhd
  12. vicvicvar

    Creating a 25 Mhz clock on the Basys 3

    Hello Forum , Its my first Post so I hope it helps everyone I have this code for generating a 25 Mhz clock having a 50 Mhz clock as main using the basys3 board. I use the LSB as the clock because it will goes 1/2 of the main clock of 50Mhz *//////////////////////* START OF CODE //Clock module clkdiv( input wire mclk , input wire clr , output wire clk25 ); reg [24:0] q; always @(posedge mclk or posedge clr) begin if(clr == 1) q <= 0; else q <= q+1; end assign clk25 = q[0]; endmodule *////////////////////////* END OF CODE So whenever I want to call it I just make a instance of this class. In Vivado, when I open my synthesized project and click [Tools ---> Edit devices properties] This is where I select my clock frequency as 50 MHZ { Please see image attached } So my questions are : Is this the proper way to set up a clock using Vivado and the Basys3 Board?In the main page of the Basys3 it says that one can get a clock as high as 450 Mhz but in the options of the [Tools ---> Edit devices properties] I can only find clocks as high as 66 MhzAnd just some basic ones Why Vivado takes sooo long to synthesized, implement and generate the bitstream of an easy and small code? Just implementing in hardware an AND gate takes me 5 minnutes to download the program to the board. Is there a quicker way ? Thanks Forum .
  13. Hi, I am trying to program basys3 from qspi flash. I have made a microblaze based system with qspi flash (BD attached) in vivado. I have tried the tutorial in this link below to make a qspi srec bootloader to put my application in flash. I have used FLASH_IMAGE_BASEADDR in blconfig.h as 0x47200000 (XPAR_AXI_QUAD_SPI_0_BASEADDR = 0x46000000 + offset = 0x01200000). However, I cannot program the flash for this address offset. The program fails with the error as "ERROR: [Xicom 50-47] Start address (0x01200000) is outside of the device memory range." However, if i try with small offset (0x00c0000) I can successfully program the flash but I don't get any output in terminal http://www.xilinx.com/support/answers/64238.html any help appreciated. thanks in advance,
  14. Xueqi

    Basys3 Multiplier Question

    Hello, I am making a project to make the XADC read voltages, and I want to multiply the voltages from channel 1 and channel 2, do I need to send the two voltages to the multiplier at the same time? And if there is a delay when I get those two voltages, how can I send them at the same time. New to the FPGA, please help me. Thanks in advance.
  15. TheHowitzer

    Is there no other way?

    Greetings, I am trying to build a very simple digital signal processing circuit into my FPGA, Basys 3 board. Below you can find a simple block diagram. As you can see the components are, - A clock converter - An ADC ( embedded xadc) - A digital filtering operation H(e^jw) ( simple addition, multiplication circuit) - An SPI bus for communicating with an external DAC I have managed to build the clock converter, and the filtering operation. However, I have failed over and over again at building SPI and ADC blocks. Especially the XADC block gave me ( and still giving ) a hard time. I am aware that programming FPGAs can be very challenging. However, my question is... Is there no other way to do it? No simpler way to program my Basys 3 ? I have spent a good amount of time studying how to work with IP blocks, and the block diagram feature of Vivado. However, it does not work. Or I should at least say, it is not straight forward in any sense. It is not user friendly. My block diagram is really really simple. I connect all the necessary connections. Clock to clock, data out to.. etc. But I can't even get an analog reading on my Basys 3. Last but not least, there aren't any tutorials on working with XADC. The video about Basys 3 XADC, made by Xilinx, is a total joke. The other video, "teaching" how to use the IP generator for XADC is also another joke. These are 2-3 min videos, just showing you that IP generation feature does exist. They do not show how to use it in any way. This whole text is not a proper question, I am aware of that. Yet I am open to anything. Suggest me another, simpler way to code FPGAs. Suggest me another, more user friendly device. Suggest me an alternative platform to develop digital signal processing algorithms. Please. Sincerely, Berk
  16. Dear Digilent, I have a simple design on a BASYS3, which contains a MICROBLAZE, a LED and two PUSH BUTTONS. I can control how fast the LED is blinking by pressing the PUSH BUTTONS. The BITSTREAM of that design is stored in a non-volatile serial Flash device, which is attached to the ARTIX-7 FPGA using a dedicated quad-mode (x4) SPI bus. When the system starts, the contents of the flash memory are read and the FPGA is configured normally. I would like to be able to memorize the latest configuration of the PUSH BUTTONS in a non-volatile memory, so that the system at startup can use that configuration. In other words, I would like to allow the user, the option to write in a non-volatile memory, the latest configuration of the push buttons, without having to change the BITSTREAM all the time. Something likes partitioning non-volatile memory into two sections: 1- One section will be to store the BITSTREAM for configuration during system startup. 2- The other section will be to allow the user to read, modify (write) and save parameters for the next startup. Is it possible to do this with the BASYS3? If so, could you please advise me how to do it? If not, what kind of system would be needed to achieve this? Thank you in advance for any suggestions and advices. Regards, H
  17. sanrod

    Implementation SPI basys3

    Hi, I need your help please, actually I am work in an arduino communication with FPGA (Basys3), but i have a problem with the implementation, can you help me? VHDL: library IEEE; use IEEE.STD_LOGIC_1164.ALL; entity SPI_rx3_top is Port ( SCK : in STD_LOGIC; -- SPI input clock DATA : in STD_LOGIC; -- SPI serial data input CS : in STD_LOGIC; -- chip select input (active low) led : out STD_LOGIC_VECTOR (7 downto 0) := X"FF"); end SPI_rx3_top; architecture Behavioral of SPI_rx3_top is signal dat_reg : STD_LOGIC_VECTOR (7 downto 0); begin process (SCK) begin if (SCK'event and SCK = '1') then -- rising edge of SCK if (CS = '0') then -- SPI CS must be selected -- shift serial data into dat_reg on each rising edge -- of SCK, MSB first dat_reg <= dat_reg(6 downto 0) & DATA; end if; end if; end process; process (CS) begin if (CS'event and CS = '1') then -- update LEDs with new data on rising edge of CS led <= not dat_reg; end if; end process; end Behavioral; XDC: ## LEDs set_property PACKAGE_PIN U16 [get_ports {led[0]}] set_property IOSTANDARD LVCMOS33 [get_ports {led[0]}] set_property PACKAGE_PIN E19 [get_ports {led[1]}] set_property IOSTANDARD LVCMOS33 [get_ports {led[1]}] set_property PACKAGE_PIN U19 [get_ports {led[2]}] set_property IOSTANDARD LVCMOS33 [get_ports {led[2]}] set_property PACKAGE_PIN V19 [get_ports {led[3]}] set_property IOSTANDARD LVCMOS33 [get_ports {led[3]}] set_property PACKAGE_PIN W18 [get_ports {led[4]}] set_property IOSTANDARD LVCMOS33 [get_ports {led[4]}] set_property PACKAGE_PIN U15 [get_ports {led[5]}] set_property IOSTANDARD LVCMOS33 [get_ports {led[5]}] set_property PACKAGE_PIN U14 [get_ports {led[6]}] set_property IOSTANDARD LVCMOS33 [get_ports {led[6]}] set_property PACKAGE_PIN V14 [get_ports {led[7]}] set_property IOSTANDARD LVCMOS33 [get_ports {led[7]}] ##Pmod Header JB ##Sch name = JB1 set_property PACKAGE_PIN A14 [get_ports {CS}] set_property IOSTANDARD LVCMOS33 [get_ports {CS}] ##Sch name = JB2 set_property PACKAGE_PIN A16 [get_ports {DATA}] set_property IOSTANDARD LVCMOS33 [get_ports {DATA}] ##Sch name = JB3 set_property PACKAGE_PIN B15 [get_ports {SCK}] set_property IOSTANDARD LVCMOS33 [get_ports {SCK}] Warnings: [Place 30-876] Port 'SCK' is assigned to PACKAGE_PIN 'B15' which can only be used as the N side of a differential clock input. Please use the following constraint(s) to pass this DRC check: set_property CLOCK_DEDICATED_ROUTE FALSE [get_nets {SCK_IBUF}] [Place 30-99] Placer failed with error: 'Implementation Feasibility check failed, Please see the previously displayed individual error or warning messages for more details.' Please review all ERROR, CRITICAL WARNING, and WARNING messages during placement to understand the cause for failure. [Common 17-69] Command failed: Placer could not place all instances
  18. This little module might be of use to somebody - it sends 16-bit values to an external serial device, as four ascii hexidecimal digits (eg "12AB"), with new lines and carriage returns. http://hamsterworks.info/index.php/Hw_tx_binary_as_ascii The sample design send the settings of the 16 slide switches every time the center button is pressed.
  19. Prompted by another thread here ( https://forum.digilentinc.com/topic/4180-mmcm-dynamic-clocking/ ), I've been experimenting the the Dynamic Reconfiguration Port on the Artix-7 MMCM You can find the code and constraints for the Basys3 here: http://hamsterworks.co.nz/mediawiki/index.php/MMCM_reset It might be of interest to somebody (e.g. to change a VGA clock frequency dynamically).
  20. ankik mani

    basys 3

    how to implement 32 bit fma logic can be implemented on basys 3 kit.
  21. a_basys3_user

    BASYS3 VGA Output Out of Range problem

    Hello everyone, I just started learning VHDL and digital design on my college and as a term project I am to design a digital circuit which will output a game through VGA pins. I first started examining examples on the internet and tried to synthetise myself on Vivado Design Suite. However, I encountered problems. The following is the code which I use to synchronize image. library IEEE; use IEEE.STD_LOGIC_1164.ALL; use IEEE.STD_LOGIC_ARITH.ALL; use IEEE.STD_LOGIC_UNSIGNED.ALL; entity sync_module is Port ( clk : in STD_LOGIC; reset : in STD_LOGIC; start : in STD_LOGIC; y_control : out STD_LOGIC_VECTOR (9 downto 0); x_control : out STD_LOGIC_VECTOR (9 downto 0); h_s : out STD_LOGIC; v_s : out STD_LOGIC; video_on : out STD_LOGIC); end sync_module; architecture Behavioral of sync_module is -- Video Parameters constant HR:integer:=1280;--Horizontal Resolution constant HFP:integer:=48;--Horizontal Front Porch constant HBP:integer:=248;--Horizontal Back Porch constant HRet:integer:=112;--Horizontal retrace constant VR:integer:=1024;--Vertical Resolution constant VFP:integer:=1;--Vertical Front Porch constant VBP:integer:=38;--Vertical Back Porch constant VRet:integer:=3;--Vertical Retrace --sync counter signal counter_h,counter_h_next: integer range 0 to 799; signal counter_v,counter_v_next: integer range 0 to 524; --mod 2 counter signal counter_mod2,counter_mod2_next: std_logic:='0'; --State signals signal h_end, v_end:std_logic:='0'; --Output Signals(buffer) signal hs_buffer,hs_buffer_next:std_logic:='0'; signal vs_buffer,vs_buffer_next:std_logic:='0'; --pixel counter signal x_counter, x_counter_next:integer range 0 to 900; signal y_counter, y_counter_next:integer range 0 to 900; --video_on_off signal video:std_logic; begin --clk register process(clk,reset,start) begin if reset ='1' then counter_h<=0; counter_v<=0; hs_buffer<='0'; hs_buffer<='0'; counter_mod2<='0'; elsif clk'event and clk='1' then if start='1' then counter_h<=counter_h_next; counter_v<=counter_v_next; x_counter<=x_counter_next; y_counter<=y_counter_next; hs_buffer<=hs_buffer_next; vs_buffer<=vs_buffer_next; counter_mod2<=counter_mod2_next; end if; end if; end process; --video on/off video <= '1' when (counter_v >= VBP) and (counter_v < VBP + VR) and (counter_h >=HBP) and (counter_h < HBP + HR) else '0'; --mod 2 counter counter_mod2_next<=not counter_mod2; --end of Horizontal scanning h_end<= '1' when counter_h=799 else '0'; -- end of Vertical scanning v_end<= '1' when counter_v=524 else '0'; -- Horizontal Counter process(counter_h,counter_mod2,h_end) begin counter_h_next<=counter_h; if counter_mod2= '1' then if h_end='1' then counter_h_next<=0; else counter_h_next<=counter_h+1; end if; end if; end process; -- Vertical Counter process(counter_v,counter_mod2,h_end,v_end) begin counter_v_next <= counter_v; if counter_mod2= '1' and h_end='1' then if v_end='1' then counter_v_next<=0; else counter_v_next<=counter_v+1; end if; end if; end process; --pixel x counter process(x_counter,counter_mod2,h_end,video) begin x_counter_next<=x_counter; if video = '1' then if counter_mod2= '1' then if x_counter= 639 then x_counter_next<=0; else x_counter_next<=x_counter + 1; end if; end if; else x_counter_next<=0; end if; end process; --pixel y counter process(y_counter,counter_mod2,h_end,counter_v) begin y_counter_next<=y_counter; if counter_mod2= '1' and h_end='1' then if counter_v >32 and counter_v <512 then y_counter_next<=y_counter + 1; else y_counter_next<=0; end if; end if; end process; --buffer hs_buffer_next<= '1' when counter_h < 704 else--(HBP+HGO+HFP) '0'; vs_buffer_next<='1' when counter_v < 523 else--(VBP+VGO+VFP) '0'; --outputs y_control <= conv_std_logic_vector(y_counter,10); x_control <= conv_std_logic_vector(x_counter,10); h_s<= hs_buffer; v_s<= vs_buffer; video_on<=video; end Behavioral; ...and the following is a snippet from my constraints file : set_property PACKAGE_PIN N19 [get_ports {rgb[0]}] set_property IOSTANDARD LVCMOS33 [get_ports {rgb[0]}] set_property PACKAGE_PIN J18 [get_ports {rgb[1]}] set_property IOSTANDARD LVCMOS33 [get_ports {rgb[1]}] set_property PACKAGE_PIN D17 [get_ports {rgb[2]}] set_property IOSTANDARD LVCMOS33 [get_ports {rgb[2]}] set_property PACKAGE_PIN P19 [get_ports h_s] set_property IOSTANDARD LVCMOS33 [get_ports h_s] set_property PACKAGE_PIN R19 [get_ports v_s] set_property IOSTANDARD LVCMOS33 [get_ports v_s] ## END VGA CONNECTOR I went through google results for this "out of range" problem and none of them solved my problem. Then I connected my oscilloscope to the output of the horizontal sync and vertical sync. This is from the 13 pin of the VGA output : And this is the output of the 14. pin: So what do you think my problem is? The default demo on BASYS3 runs flawlessly.
  22. jonathanar1701

    Built in Self Test - Basys3 Board

    Hi all, I am a new user of basys3 board and I need your help about the "Built in Self Test " of this link https://reference.digilentinc.com/basys3/refmanual Can you share me the source code of this self test and the IP cores used to this self test. Regards,
  23. I am trying to determine if and how a Vivado IP Core can be used to create and audible tone. I have been reviewing the DSS Compiler 6.0 product guide and simulation tutorial ug937. I have configured it as shown in the attached image. I understand the sine wave output should be bits (10 downto 0) of "m_axis_data_tdata". It is asking for s_axis_phase_tvalid, s_axis_phase_tdata for input. I cannot seem to get a clear understanding of what these are. Can someone explain in layman's terms? I also created a clock divider to drop aclk down to 12kHz as an attempt the get my sine wave into the audible range. I get no output on the board or in the simulator. Ideas???
  24. This is a response question to an earlier thread that I was not able to continue. I did as you suggested. I used the 100MHz clock as aclk. I set s_axis_phase_tvalid to '1', and I used the top bits (Most Significant Bits) of my counter (cntr) for s_axis_phase_tdata. It doesnt show any error, but it will not compile. "ERROR: [VRFC 10-665] expression has 6 elements ; formal s_axis_phase_tdata expects 8" I've tried it with 6, 8 and even all 32-bits and I get the same failure. Code: inst_1: dds_compiler_0 port map ( aclk => clk, s_axis_phase_tvalid => '1', s_axis_phase_tdata => cntr(31 downto 24), -- this is line 82 of Wave_top.vhd m_axis_data_tvalid => m_axis_data_tvalid, m_axis_data_tdata => m_axis_data_tdata); LOG DATA: Vivado Simulator 2016.4 Copyright 1986-1999, 2001-2016 Xilinx, Inc. All Rights Reserved. Running: C:/Xilinx/Vivado/2016.4/bin/unwrapped/win64.o/xelab.exe -wto 0fc31941c582466d8f4474edc8fb8bef --debug typical --relax --mt 2 -L xbip_utils_v3_0_7 -L axi_utils_v2_0_3 -L xbip_pipe_v3_0_3 -L xbip_bram18k_v3_0_3 -L mult_gen_v12_0_12 -L xbip_dsp48_wrapper_v3_0_4 -L xbip_dsp48_addsub_v3_0_3 -L xbip_dsp48_multadd_v3_0_3 -L dds_compiler_v6_0_13 -L xil_defaultlib -L secureip -L xpm --snapshot Wave_top_behav xil_defaultlib.Wave_top -log elaborate.log Using 2 slave threads. Starting static elaboration ERROR: [VRFC 10-665] expression has 6 elements ; formal s_axis_phase_tdata expects 8 [C:/Users/Toshiba-/coregen_sinewave/coregen_sinewave.srcs/sources_1/new/Wave_top.vhd:82] ERROR: [XSIM 43-3321] Static elaboration of top level VHDL design unit wave_top in library work failed.
  25. HimanshuPurohit

    Pmod Wifi board with Basys3

    Hello, I am very new to FPGA so please bare with me. I am having a Pmod Wifi board and a Basys3 FPGA board and a Nexus4 Board. I need guidance for simple running tutorial of the Wifi with FPGA. A VHDL/Verilog based code sample will help a lot. I have tried to implement a microblaze based design in Vivado but i m very bad at it and could get success. Can any one help?? Thank you in advance.