new timer methode
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c0313dd825
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#include <Servo.h>
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Servo Scale;
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int outputPinServoMotor = 10;
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int const sampleSize = 50;
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double sampleArray[sampleSize];
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int const inputPinSensor = 0;
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void setup() {
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Serial.begin(115200);
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Scale.attach(outputPinServoMotor);
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/*TCCR2A = 0;
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TCCR2B = 0;
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TCNT2 = 0;
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OCR2A = 250;
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TCCR2A |= (1 << WGM21);
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TCCR2B |= (1 << CS21) | (1 << CS20);
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TIMSK2 |= (1 << OCIE2A);
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sei();*/
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}
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void loop() {
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// put your main code here, to run repeatedly:
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delay(10);
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int val = analogRead(inputPinSensor);
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addval(val);
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int servoVal = sensorValToServoVal(getAVG());
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Serial.println(servoVal);
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Scale.write(servoVal);
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}
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/*ISR(TIMER2_COMPA_vect){
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TCNT1 = 0;
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int val = analogRead(inputPinSensor);
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addval(val);
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//Serial.println(val);
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}*/
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void addval(int val)
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{
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// we need to add the val at the start of the array
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for (int i=0; i<sampleSize-1; i++)
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{
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sampleArray[i+1] = sampleArray[i];
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}
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sampleArray[0] = val;
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}
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int sensorValToServoVal(double sensorVal)
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{
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//float y = -272.6*log(sensorVal)+1103.9;
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//float x = 851.99*exp(-0.054*sensorVal);
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//Serial.println(x);
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return map(sensorVal, 0, 1023, 0, 180);
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}
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double getAVG()
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{
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double avg = 0;
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for (int val: sampleArray)
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{
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avg += (double) val/(double)sampleSize;
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}
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return avg;
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}
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