GiovanniBalestrieri

while (abs(Wz) < 2500)
    fprintf(xbee,'M') ; 
    notArrived = false;
    try
        while (get(xbee, 'BytesAvailable')~=0 && ~notArrived)
            % read until terminator
            sentence = fscanf( xbee, '%s'); % this reads in as a string (until a terminater is reached)
            if (strcmp(sentence(1,1),'A'))
              notArrived = true;
              %% store and plot

GiovanniBalestrieri

% Save angular rates from the received CSV string
C = textscan(sentence,'%c %d %d %d %c','delimiter',',');
Wx = C{2};

% update the buffer
gxdata = [ gxdata(2:end) ; Wx ];

% Plot, anzi subPlot!
subplot(3,1,1);
title('X Axis Omega in deg/s');

GiovanniBalestrieri

%% Arduino Gyroscope real time plot
%  userk.co.uk

%  The sensor used in this project is the L3G4200D
%  !!Caution!! operative voltage: 3.3 V

    clear all;
    clc;
    clear('instrfindall');
%% Check serial objects & Connect to Port

GiovanniBalestrieri

void printCSVomega()
{
  Serial.print("A,");
  Serial.print(x);

  Serial.print(",");
  Serial.print(y);

  Serial.print(",");
  Serial.print(z);

GiovanniBalestrieri

void serialRoutine()
{
  if(Serial.available()>0)
  {
    char t = Serial.read();
    
    if (t =='T')
    {
      Serial.println("Ok");
    }  

GiovanniBalestrieri

%% Ask desired Sample Rate in Hz
rate=input('Enter the sampleRate in Hz. Max 500Hz. Non sgravare...      ');
delay = 1/rate;
str = sprintf('SampleRate fixed to: %f.', delay);
disp(str);

%% Initializinig rolling plot

buf_len = rate;
index = 1:buf_len;

GiovanniBalestrieri

fprintf(xbee,'M') ; 
notArrived = false;
try
    while (get(xbee, 'BytesAvailable')~=0 && ~notArrived)
        % read until terminator
        sentence = fscanf( xbee, '%s'); % this reads in as a string (until a terminater is reached)
        if (strcmp(sentence(1,1),'A'))
            notArrived = true;
            %decodes "sentence" seperated (delimted) by commaseck Unit')
            C = textscan(sentence,'%c %d %d %d %c','delimiter',',');

GiovanniBalestrieri

% wait one second then record
if numberOfSamples==rate*2 && recording
    disp('saving samples to file');
    gDataToWrite = [gxdata gydata gzdata];
    csvwrite('samples.txt',gDataToWrite);
    disp('saving file to structure');
    dat.x = gxdata;
    dat.y = gydata;
    dat.z = gzdata;
    save('samples.mat','-struct','dat');

GiovanniBalestrieri

%% Arduino Gyroscope real time plot

%  The sensor used in this project is the L3G4200D

    clear all;
    clc;
    clear('instrfindall');
    
    finished = false;
    recording = true;

GiovanniBalestrieri

%% Signal definition

% Sampling Frequency Fs
Fs = 350;
% Sinusoid frequency
freq = 30;
bias = 15
t = 0:1/Fs:1;

% Generate random values [min,max] = [xm,xM]