21 questions
3
votes
1
answer
91
views
Why is a sum statement so bizarrely synthesized?
I have 4 buttons on an FPGA dev board so I wrote
function [HEX0] = Bar(KEY)
n = uint8(sum(KEY, 'native'));
...
Unfortunately, HDL Coder turned it into the following chunk of VHDL:
y := '0';
FOR ...
- 23.9k
1
vote
0
answers
33
views
I am having trouble generating vhdl code from my matlab script using hdl code generstor in Matlab
I'm trying to generate a vhdl code using the HDL code generator in Matlab.
I have a matlab function and its test bench.
This is the matlab function:
function [received_signal_real, ...
- 11
1
vote
0
answers
262
views
Commands invalid after 'import_board_preset' command
Currently I am trying to follow the MathWorks tutorial 1 to register a TE0720 with a TE0701-6 carrier board in Matlab. I followed the instructions, designed the block design and exported it as advised....
- 114
1
vote
0
answers
108
views
Long inputs in Matlab HDL coder
I am trying to program a module in Matlab that will be translated to Verilog. My module has a lot of inputs, so I want to group them into a unique string of bits so the module will have only one input....
1
vote
0
answers
185
views
Failed Cannot connect to 'Mentor Graphics ModelSim' HDL simulator
I am trying to perform cosimulation in HDL Coder using ModelSim 10.2c .But getting below error :
Failed Cannot connect to 'Mentor Graphics ModelSim' HDL simulator
Does any one know what could be ...
- 13
1
vote
0
answers
433
views
Error using Matlab HDL Coder
I am trying to covert a matlab code into VHDL using HDL Coder. When I try to simulate my model it gives me the error :
Illegal Fixed-Point Data Type: the numbers of bits exceeded the supported ...
- 23
0
votes
1
answer
941
views
CRC-16 and/or Frame Check Sequence
I have an incoming packet that reads 7E0302403F387E from a serial port.
start and end flag is 7E, FCS/CRC is 3F38 and the data is 030240. The FCS is calculated per the algorithm specified in RFC 1662. ...
- 27
0
votes
1
answer
231
views
How do I implement matlab code on hardware device to make it run?
My question is quite basic to most appropriate levels on consideration. I lack the perception of how can I dump or implement my matlab code on a hardware component like processors or fpga? For eg:
...
0
votes
1
answer
424
views
MATLAB script use in System verilog using SNPS VCS tool
I have coded an algorithm using MATLAB R2019 script and i want it to be called in an System verilog file i.e The output generated by the matlab script is actually to be fed into the testbench ...
0
votes
1
answer
1k
views
how to optimize (reduce) the latency in the verilog HDL code (hardware) generated by the MATLAB HDL CODER add-on from a given Simulink model?
Thanks in advance,
I am having a simple Simulink model, that takes in a 32-bit number in the IEEE-754 format and adds the same number, which gives the output again in the 32-bit wide IEEE-754 format. ...
- 179
0
votes
1
answer
964
views
HDLC frame HCS and FCS
I have an HDLC frame like blow and I want to calculate the HCS and FCS algorithm.
Its based on DLMS protocol noted in green book page 128.
Here is an example of this frame:
Ex.1:
Frame=`(...
- 1
0
votes
1
answer
147
views
Work with binary numbers as scalars in Matlab
I am working with a MATLAB function that uses numbers in the binary base. To do so it uses the function dec2bin to transform an integer into a char array containing the binary information. The issue ...
- 33
0
votes
1
answer
81
views
mscorlib Error Occurs when Building Simulink Model using HDL Coder Workflow Advisor
I have a simple Simulink model that I want to build into FPGA code compatible with NI FPGA targets. I have installed the HDL Coder and the HDL Coder Support Package for NI FPGA Targets.
When I try ...
0
votes
1
answer
252
views
MATLAB coder error while converting code to hdl for xcorr function
I want to use HDL coder to convert MATLAB xcorr function to VHDL language. My code is given in below, i think i made a mistake when I'm defining the input data types. What should be the input data ...
0
votes
1
answer
324
views
I am using MATLAB HDL coder to convert matlab coder and currently having some error
I am not able to get this error removed. Can someone please help me. The problem is it is showing some error in step 4 while generation of hdl code.
function [Rxx]=autom(X) % [Rxx]=autom(x)
Rxx=...
0
votes
0
answers
144
views
Matlab hdl coding
I received this error message when I try the conversion via HDL coder. Can someone help me? Thank you!
function [p_max,t_max]=ricmax(g,fs)
valmin=0.40*max(g);
[p_max,t_max]=...
- 1
0
votes
1
answer
618
views
Convert matlab-code into vhdl with HDL Workflow Advisor
I've made a Matlab program where it detects if 2 circles intersect each other and outputs the coordinates of the intersections. Now, I'm trying to convert the code into vhdl for FPGA implementation.
...
- 119
0
votes
0
answers
22
views
loop in Matlab/Simulink HDL [duplicate]
In attached picture a model is given with 3 inputs and 3 outputs.
I would like to run this model 10 times in loop. Kindly does any one know how I can use outputs as inputs from second run till 10th ...
- 23
0
votes
1
answer
755
views
VHDL Code Generation using Matlab HDL Coder
I am sorry If I say some thing silly.Please forgive me:
I am trying to convert Matlab code(given below) to VHDL code,using HDL coder.It contains a function called sum.But when I try to convert the ...
- 13
0
votes
0
answers
559
views
Simulink error: Cannot find implementation for block
I am attempting to create a simple DDS/NCO to be used in an FPGA. I have a working DDS in simulink. But when I try to convert it to HDL using the HDL converter I receive the above error. The only ...
-3
votes
1
answer
1k
views
Feedback loop in Simulink/HDL Coder
I have a system in Simulink/HDL coder (see below image please). I have 3 outputs and 3 inputs. I want my system to run 10 times. After each iteration it should select the outputs and use them as ...
