Converting MATLAB code to Arduino code
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I need to convert this code made in MATLAB for use using the Arduino program which I believe uses C code. I am not sure how to do so and any help will be apreciated! It is for filtering data a data set.
function Hd = Lowpass_2
%LOWPASS_2 Returns a discrete-time filter object.
% MATLAB Code
% Generated by MATLAB(R) 9.5 and Signal Processing Toolbox 8.1.
% Generated on: 08-Mar-2019 11:28:05
% Equiripple Lowpass filter designed using the FIRPM function.
% All frequency values are in Hz.
Fs = 100; % Sampling Frequency
Fpass = 0.4; % Passband Frequency
Fstop = 0.45; % Stopband Frequency
Dpass = 0.057501127785; % Passband Ripple
Dstop = 0.0001; % Stopband Attenuation
dens = 20; % Density Factor
% Calculate the order from the parameters using FIRPMORD.
[N, Fo, Ao, W] = firpmord([Fpass, Fstop]/(Fs/2), [1 0], [Dpass, Dstop]);
% Calculate the coefficients using the FIRPM function.
b = firpm(N, Fo, Ao, W, {dens});
Hd = dfilt.dffir(b);
% [EOF]
1 个评论
madhan ravi
2019-3-27
Have a look into Embedded coder and MATLAB coder.
回答（3 个）
Mark Sherstan
2019-3-27
0 个投票
The easiest way I find is creating a Simulink model and then deploying it on the hardware. These links should get you started:
- https://www.mathworks.com/hardware-support/arduino-simulink.html
- https://www.mathworks.com/help/supportpkg/arduino/ug/run-model-on-arduino-hardware.html
- https://www.mathworks.com/help/supportpkg/arduino/examples/getting-started-with-arduino-hardware.html
Fakhril
2026-6-24，13:26
编辑：Walter Roberson
2026-6-24，15:46
[System]
Name='Simulasi_TDS_2'
Type='mamdani'
Version=2.0
NumInputs=1
NumOutputs=2
NumRules=0
AndMethod='min'
OrMethod='max'
ImpMethod='min'
AggMethod='max'
DefuzzMethod='centroid'
[Input1]
Name='TDS'
Range=[0 1000]
NumMFs=3
MF1='Rendah':'trapmf',[0 0 150 220]
MF2='Normal':'trapmf',[180 200 600 620]
MF3='Tinggi':'trapmf',[580 650 1000 1000]
[Output1]
Name='Pompa_1'
Range=[0 400]
NumMFs=4
MF1='Sedikit':'trimf',[30 100 170]
MF2='Banyak':'trapmf',[230 310 400 400]
MF3='Tidak_Perlu':'trapmf',[0 0 30 60]
MF4='Sedang':'trimf',[120 200 280]
[Output2]
Name='Pompa_2'
Range=[0 400]
NumMFs=4
MF1='Tidak_Perlu':'trapmf',[0 0 30 60]
MF2='Sedang':'trimf',[120 200 280]
MF3='Banyak':'trapmf',[230 310 400 400]
MF4='Sedikit':'trimf',[30 100 170]
[Rules]
1 个评论
Walter Roberson
2026-6-24，15:48
This appears to be a ruleset for fuzzy logic. It is completely unclear to me how this answers the question of how to convert MATLAB code into Arduino code.
Fakhril
2026-6-24，13:30
编辑：Walter Roberson
2026-6-24，15:46
[System]
Name='Simulasi_TDS_2'
Type='mamdani'
Version=2.0
NumInputs=1
NumOutputs=2
NumRules=0
AndMethod='min'
OrMethod='max'
ImpMethod='min'
AggMethod='max'
DefuzzMethod='centroid'
[Input1]
Name='TDS'
Range=[0 1000]
NumMFs=3
MF1='Rendah':'trapmf',[0 0 150 220]
MF2='Normal':'trapmf',[180 200 600 620]
MF3='Tinggi':'trapmf',[580 650 1000 1000]
[Output1]
Name='Pompa_1'
Range=[0 400]
NumMFs=4
MF1='Sedikit':'trimf',[30 100 170]
MF2='Banyak':'trapmf',[230 310 400 400]
MF3='Tidak_Perlu':'trapmf',[0 0 30 60]
MF4='Sedang':'trimf',[120 200 280]
[Output2]
Name='Pompa_2'
Range=[0 400]
NumMFs=4
MF1='Tidak_Perlu':'trapmf',[0 0 30 60]
MF2='Sedang':'trimf',[120 200 280]
MF3='Banyak':'trapmf',[230 310 400 400]
MF4='Sedikit':'trimf',[30 100 170]
[Rules]
1 个评论
Walter Roberson
2026-6-24，15:47
What is the difference between this answer and your previous answer https://www.mathworks.com/matlabcentral/answers/452684-converting-matlab-code-to-arduino-code#answer_1575635 ?
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2019-3-27
2026-6-24，15:48
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