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edit approved Aug 21, 2015 at 12:16

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I have an 2 analog signal, and I want to calculate the difference between 2 signals (A0 and A1), then integrate an analog, but it doesn't work (I just started studying Arduino).

Please could you show me how to deal with this problem?

Thanks a lot

float analogInPin = A0;
float analogInPin1 = A1;
float analogOutPin = DAC1;
float FeqIn, FeqIn1, FeqIn2, FeqIn3, FeqOut, w, Triarea, Recarea, area, n, y, t;

void setup() {
  Serial.begin(9600); // use the serial port 
}
  
void loop() {
  FeqIn1 = analogRead(analogInPin);
  FeqIn2 = analogRead(analogInPin1);
  FeqIn3 = FeqIn1 - FeqIn2
  // integration
  area(1) = 0;
  y(1) = 0;
  for (n = 1; n = t; t++) {
    Triarea(n+1) = (0.5*t(2))*(FeqIn3(n+1) - FeqIn3(n));
    Recarea(n+1) = t(2)*(FeqIn3(n));
    area(n+1) = (Triarea(n+1) + Recarea(n+1)) + area(n);
  }
}

The error message is:

Arduino: 1.6.5 (Windows 8.1), Board: "Arduino Mega or Mega 2560, ATmega2560 (Mega 2560)"

_02.ino:3: error: 'DAC1' was not declared in this scope
_02.ino.ino: In function 'void loop()':
_02.ino:20: error: expected ';' before 'area'
_02.ino:21: error: 'y' cannot be used as a function
_02.ino:24: error: 'Triarea' cannot be used as a function
_02.ino:24: error: 't' cannot be used as a function
_02.ino:24: error: 'FeqIn3' cannot be used as a function
_02.ino:24: error: 'FeqIn3' cannot be used as a function
_02.ino:25: error: 'Recarea' cannot be used as a function
_02.ino:25: error: 't' cannot be used as a function
_02.ino:25: error: 'FeqIn3' cannot be used as a function
_02.ino:26: error: 'area' cannot be used as a function
_02.ino:26: error: 'Triarea' cannot be used as a function
_02.ino:26: error: 'Recarea' cannot be used as a function
_02.ino:26: error: 'area' cannot be used as a function
'DAC1' was not declared in this scope

I have an 2 analog signal, and I want to calculate the difference between 2 signals (A0 and A1), then integrate an analog, but it doesn't work (I just started studying Arduino).

Please could you show me how to deal with this problem?

Thanks a lot

float analogInPin = A0;
float analogInPin1 = A1;
float analogOutPin = DAC1;
float FeqIn, FeqIn1, FeqIn2, FeqIn3, FeqOut, w, Triarea, Recarea, area, n, y, t;

void setup() {
  Serial.begin(9600); // use the serial port 
}
  
void loop() {
  FeqIn1 = analogRead(analogInPin);
  FeqIn2 = analogRead(analogInPin1);
  FeqIn3 = FeqIn1 - FeqIn2
  // integration
  area(1) = 0;
  y(1) = 0;
  for (n = 1; n = t; t++) {
    Triarea(n+1) = (0.5*t(2))*(FeqIn3(n+1) - FeqIn3(n));
    Recarea(n+1) = t(2)*(FeqIn3(n));
    area(n+1) = (Triarea(n+1) + Recarea(n+1)) + area(n);
  }
}

The error message is:

Arduino: 1.6.5 (Windows 8.1), Board: "Arduino Mega or Mega 2560, ATmega2560 (Mega 2560)"

_02.ino:3: error: 'DAC1' was not declared in this scope
_02.ino.ino: In function 'void loop()':
_02.ino:20: error: expected ';' before 'area'
_02.ino:21: error: 'y' cannot be used as a function
_02.ino:24: error: 'Triarea' cannot be used as a function
_02.ino:24: error: 't' cannot be used as a function
_02.ino:24: error: 'FeqIn3' cannot be used as a function
_02.ino:24: error: 'FeqIn3' cannot be used as a function
_02.ino:25: error: 'Recarea' cannot be used as a function
_02.ino:25: error: 't' cannot be used as a function
_02.ino:25: error: 'FeqIn3' cannot be used as a function
_02.ino:26: error: 'area' cannot be used as a function
_02.ino:26: error: 'Triarea' cannot be used as a function
_02.ino:26: error: 'Recarea' cannot be used as a function
_02.ino:26: error: 'area' cannot be used as a function
'DAC1' was not declared in this scope

I have an 2 analog signal, and I want to calculate the difference between 2 signals (A0 and A1), then integrate an analog, but it doesn't work (I just started studying Arduino).

Please could you show me how to deal with this problem?

Thanks a lot

float analogInPin = A0;
float analogInPin1 = A1;
float analogOutPin = DAC1;
float FeqIn, FeqIn1, FeqIn2, FeqIn3, FeqOut, w, Triarea, Recarea, area, n, y, t;

void setup() {
  Serial.begin(9600); // use the serial port 
}
  
void loop() {
  FeqIn1 = analogRead(analogInPin);
  FeqIn2 = analogRead(analogInPin1);
  FeqIn3 = FeqIn1 - FeqIn2
  // integration
  area(1) = 0;
  y(1) = 0;
  for (n = 1; n = t; t++) {
    Triarea(n+1) = (0.5*t(2))*(FeqIn3(n+1) - FeqIn3(n));
    Recarea(n+1) = t(2)*(FeqIn3(n));
    area(n+1) = (Triarea(n+1) + Recarea(n+1)) + area(n);
  }
}

The error message is:

Arduino: 1.6.5 (Windows 8.1), Board: "Arduino Mega or Mega 2560, ATmega2560 (Mega 2560)"

_02.ino:3: error: 'DAC1' was not declared in this scope
_02.ino.ino: In function 'void loop()':
_02.ino:20: error: expected ';' before 'area'
_02.ino:21: error: 'y' cannot be used as a function
_02.ino:24: error: 'Triarea' cannot be used as a function
_02.ino:24: error: 't' cannot be used as a function
_02.ino:24: error: 'FeqIn3' cannot be used as a function
_02.ino:24: error: 'FeqIn3' cannot be used as a function
_02.ino:25: error: 'Recarea' cannot be used as a function
_02.ino:25: error: 't' cannot be used as a function
_02.ino:25: error: 'FeqIn3' cannot be used as a function
_02.ino:26: error: 'area' cannot be used as a function
_02.ino:26: error: 'Triarea' cannot be used as a function
_02.ino:26: error: 'Recarea' cannot be used as a function
_02.ino:26: error: 'area' cannot be used as a function
'DAC1' was not declared in this scope

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edit approved Aug 18, 2015 at 21:39

dda

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Integrating an analog signal using ARDUINO DUEArduino Due

iI have an 2 analog signal, and iI want to minuscalculate the difference between 2 signalsignals (A0 and A1) then i want to do Integrating, then integrate an analog, but it'sit doesn't work (I just started studying arduinoArduino).

Please you could you show me how to deal with this problem, please? Thank

Thanks a lot

float analogInPin = A0;
float analogInPin1 = A1;
float analogOutPin = DAC1;
float FeqIn, FeqIn1, FeqIn2, FeqIn3, FeqOut, w, Triarea, Recarea, area, n, y, t;

void setup()
  {
    Serial.begin(9600); // use the serial port 
    
 }
  
void loop()
  {
    FeqIn1 = analogRead(analogInPin);
    FeqIn2 = analogRead(analogInPin1); 
    FeqIn3 = FeqIn1 - FeqIn2

 
    // integration
    area(1) = 0;
    y(1) = 0;
    for (n = 1; n = t; t++)
    {
      Triarea(n+1) = (0.5*t(2))*(FeqIn3(n+1) - FeqIn3(n));
      Recarea(n+1) = t(2)*(FeqIn3(n));
      area(n+1) = (Triarea(n+1) + Recarea(n+1)) + area(n);
    }
}

theThe error message isis:

Integrating an analog signal using ARDUINO DUE

i have an 2 analog signal, and i want to minus between 2 signal(A0 and A1) then i want to do Integrating an analog, but it's doesn't work (I just started studying arduino)

Please you could show me how to deal with this problem, please? Thank a lot

float analogInPin = A0;
float analogInPin1 = A1;
float analogOutPin = DAC1;
float FeqIn, FeqIn1, FeqIn2, FeqIn3, FeqOut, w, Triarea, Recarea, area, n, y, t;

void setup()
  {
    Serial.begin(9600); // use the serial port 
    
 }
  
void loop()
 {
    FeqIn1 = analogRead(analogInPin);
    FeqIn2 = analogRead(analogInPin1); 
    FeqIn3 = FeqIn1 - FeqIn2

 
    // integration
    area(1) = 0;
    y(1) = 0;
    for (n = 1; n = t; t++)
    {
      Triarea(n+1) = (0.5*t(2))*(FeqIn3(n+1) - FeqIn3(n));
      Recarea(n+1) = t(2)*(FeqIn3(n));
      area(n+1) = (Triarea(n+1) + Recarea(n+1)) + area(n);
    }
}

the error message is

Integrating an analog signal using Arduino Due

I have an 2 analog signal, and I want to calculate the difference between 2 signals (A0 and A1), then integrate an analog, but it doesn't work (I just started studying Arduino).

Please could you show me how to deal with this problem?

Thanks a lot

float analogInPin = A0;
float analogInPin1 = A1;
float analogOutPin = DAC1;
float FeqIn, FeqIn1, FeqIn2, FeqIn3, FeqOut, w, Triarea, Recarea, area, n, y, t;

void setup() {
  Serial.begin(9600); // use the serial port 
}
  
void loop() {
  FeqIn1 = analogRead(analogInPin);
  FeqIn2 = analogRead(analogInPin1);
  FeqIn3 = FeqIn1 - FeqIn2
  // integration
  area(1) = 0;
  y(1) = 0;
  for (n = 1; n = t; t++) {
    Triarea(n+1) = (0.5*t(2))*(FeqIn3(n+1) - FeqIn3(n));
    Recarea(n+1) = t(2)*(FeqIn3(n));
    area(n+1) = (Triarea(n+1) + Recarea(n+1)) + area(n);
  }
}

The error message is:

added 1067 characters in body

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edited Aug 18, 2015 at 9:10

Viphuchit Sirikhemaporn

1
1
1
2

the error message is

Arduino: 1.6.5 (Windows 8.1), Board: "Arduino Mega or Mega 2560, ATmega2560 (Mega 2560)"

_02.ino:3: error: 'DAC1' was not declared in this scope
_02.ino.ino: In function 'void loop()':
_02.ino:20: error: expected ';' before 'area'
_02.ino:21: error: 'y' cannot be used as a function
_02.ino:24: error: 'Triarea' cannot be used as a function
_02.ino:24: error: 't' cannot be used as a function
_02.ino:24: error: 'FeqIn3' cannot be used as a function
_02.ino:24: error: 'FeqIn3' cannot be used as a function
_02.ino:25: error: 'Recarea' cannot be used as a function
_02.ino:25: error: 't' cannot be used as a function
_02.ino:25: error: 'FeqIn3' cannot be used as a function
_02.ino:26: error: 'area' cannot be used as a function
_02.ino:26: error: 'Triarea' cannot be used as a function
_02.ino:26: error: 'Recarea' cannot be used as a function
_02.ino:26: error: 'area' cannot be used as a function
'DAC1' was not declared in this scope

the error message is

Arduino: 1.6.5 (Windows 8.1), Board: "Arduino Mega or Mega 2560, ATmega2560 (Mega 2560)"

_02.ino:3: error: 'DAC1' was not declared in this scope
_02.ino.ino: In function 'void loop()':
_02.ino:20: error: expected ';' before 'area'
_02.ino:21: error: 'y' cannot be used as a function
_02.ino:24: error: 'Triarea' cannot be used as a function
_02.ino:24: error: 't' cannot be used as a function
_02.ino:24: error: 'FeqIn3' cannot be used as a function
_02.ino:24: error: 'FeqIn3' cannot be used as a function
_02.ino:25: error: 'Recarea' cannot be used as a function
_02.ino:25: error: 't' cannot be used as a function
_02.ino:25: error: 'FeqIn3' cannot be used as a function
_02.ino:26: error: 'area' cannot be used as a function
_02.ino:26: error: 'Triarea' cannot be used as a function
_02.ino:26: error: 'Recarea' cannot be used as a function
_02.ino:26: error: 'area' cannot be used as a function
'DAC1' was not declared in this scope

added 633 characters in body

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edited Aug 18, 2015 at 8:13

Viphuchit Sirikhemaporn

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asked Aug 18, 2015 at 6:58

Viphuchit Sirikhemaporn

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Integrating an analog signal using ARDUINO DUEArduino Due

Integrating an analog signal using ARDUINO DUE

Integrating an analog signal using Arduino Due