Shainy
New ContributorJoined 5 years ago
User Profile
New Contributor
User Widgets
Contributions
Re: Modelsim Simulation error
Hi @sstrell , Thank you so much for your reply! I tried to toggle the switch, with the following modified code, but still I have the same issue. Is there anything else that I've done wrong or maybe there's anything more I should add? `timescale 1 ps / 1 ps module fpmulttrial_tb(); reg [63:0] dataa, datab; reg clk; wire [63:0] result; fpmult1try UUT( .dataa(dataa), .datab(datab), .clock(clk), .result(result)); always #100 clk= ~clk; initial begin clk=1; dataa= 000; datab= 10.97; #100 dataa= 7; datab= 19.97; #100 dataa= 9; datab= 109.7; #100 dataa= 10; datab= 1.97; #100 dataa= 4; datab= 1.7; #100 dataa= 9; datab= 19.9797; #100 dataa= 3; datab= 9.7; #100 $finish; end endmodule Thanks a bunch! Best Regards, ShainyModelsim Simulation error
Hi, I've been trying to simulate an IP core on Modelsim. The IP core I'm using is ALTFP_MULT IP core (floating-point multiplier), with double precision and an output latency of 5(the lowest latency possible). And below is the testbench I created for simulation purposes on Modelsim. The issue is that, as shown in the image, when I try to run this, only a blue line is visible as the output. Really appreciate if someone could kindly help me figure out what's wrong with my testbench/modelsim simulation. Thanks in advance! [dataa/datab= input data || result= output of the multiplier] `timescale 1 ps / 1 ps module fpmulttrial_tb(); reg [63:0] dataa, datab; reg clk; wire [63:0] result; fpmult1try UUT( .dataa(dataa), .datab(datab), .clock(clk), .result(result)); initial begin clk=1; dataa= 000; datab= 10.97; #100 dataa= 7; datab= 19.97; #100 dataa= 9; datab= 109.7; #100 dataa= 10; datab= 1.97; #100 dataa= 4; datab= 1.7; #100 dataa= 9; datab= 19.9797; #100 dataa= 3; datab= 9.7; end endmoduleRe: Floating-Point IP for FIFO Buffer
Hi Chee Pin, Thank you so much for your reply. Yes, as you've mentioned there wasn't any ip mentioned on the user guide, so I guess there is no ip for it. But I tried running the the following code to build a buffer, and there were no errors that came up. But, when I give in values on the test bench and simulate through Modelsim, it gets rounded to the closest integer. Is there anything wrong with my code or is there any advice that I could use, to display a floating-point number instead of the closest integer value? `define BUF_WIDTH 3 `define BUF_SIZE ( 1<<`BUF_WIDTH ) module FifoBuffer2( clk, reset, in_x, out_x, write, read, emp, full); input reset, clk, write, read; input [8:0] in_x; output [8:0] out_x; output emp, full; reg[8:0] out_x; reg emp, full; reg[`BUF_WIDTH -1:0] rd_ptr, wr_ptr; reg[8:0] buf_mem[`BUF_SIZE -1 : 0]; always @(posedge clk) begin if( write && !full ) buf_mem[ wr_ptr ] <= in_x; else buf_mem[ wr_ptr ] <= buf_mem[ wr_ptr ]; end always @(posedge clk) begin if( reset ) begin wr_ptr <= 0; rd_ptr <= 0; end else begin if( !full && write )wr_ptr <= wr_ptr + 1; else wr_ptr <= wr_ptr; if( !emp && read ) rd_ptr <= rd_ptr + 1; else rd_ptr <= rd_ptr; end end endmoduleRe: Using IPs on a Verilog code
Hi Sstrell, Thank you for your reply! I'm actually a bit lost on how to use the ip I've created on my verilog code. I tried looking for ways and examples on the internet, but I was not able to. Am I to use it as a library, or a module, or a function, or am I supposed to instantiate it in a module? Thanks, ShainyUsing IPs on a Verilog code
Hi, I'm using an IP for a multiplier and an accumulator, and I'm quite unsure of how to use it in my Verilog code. I built a block diagram for it, but I need to control the number of times these 2 ips function, before they're reset. To give a little background, I want the multiplier to multiply n number of values sets, and send them to the accumulator, which will accumulate the the n number of values sent, and send the final value to the output buffer. Could someone kindly guide me on the steps to be taken? Thanks a bunch! Best Regards, ShainyFloating-Point IP for FIFO Buffer
Hi, I'm suing Quartus Prime Lite 18.1 and using a Cyclone V device. I was searching for a floating-point ip for a fifo buffer, but was unable to find one. But I did see a fifo buffer ip 'FIFO' under on chip memory. Could someone confirm if this could be used for floating point values as well, or if there is a different ip that I could use? Thanks in advance! Best Regards, Shainy
