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ExOrShock.ino
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ExOrShock.ino
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#include <SoftwareSerial.h>
bool setupStart = false;
bool start = false;
long startTime = 0;
const int tolerance = 3;
const int valueUpperEnd = 258; // Needs to be set manually
const int valueLowerEnd = 220; // Needs to be set manually
int valueUpperFull = 0; // Will be set automatically when the cup is full with water at the beginning
int valueLowerFull = 0; // Will be set automatically when the cup is full with water at the beginning
int sensorUpper = A0;
int sensorLower = A1;
int shocker = 2;
int LEDBlue = 5;
int LEDGreen = 6;
int LEDRed = 7;
long LEDBlueTime = 0;
bool LEDBlueBlink = false;
SoftwareSerial bt(10, 11);
void setup()
{
Serial.begin(9600);
bt.begin(9600);
pinMode(LEDBlue, OUTPUT);
pinMode(LEDRed, OUTPUT);
pinMode(LEDGreen, OUTPUT);
pinMode(sensorUpper, INPUT);
pinMode(sensorLower, INPUT);
pinMode(shocker, OUTPUT);
systemCheck();
calibration();
}
void systemCheck()
{
digitalWrite(LEDBlue, HIGH);
digitalWrite(LEDGreen, HIGH);
digitalWrite(LEDRed, HIGH);
delay(1000);
digitalWrite(LEDBlue, LOW);
digitalWrite(LEDGreen, LOW);
digitalWrite(LEDRed, LOW);
delay(1000);
}
void calibration()
{
Serial.println("== Start Calibration ==");
Serial.println("-- Measurements --");
// Calibration of the minimal value
int i = 0;
while(i < 15)
{
LED(LEDBlue, 200);
LED(LEDGreen, 200);
LED(LEDRed, 200);
delay(200);
valueUpperFull += analogRead(sensorUpper);
delay(25);
valueLowerFull += analogRead(sensorLower);
Serial.println(valueUpperFull);
Serial.println(valueLowerFull);
Serial.println("");
i++;
}
valueUpperFull = (valueUpperFull / i);
valueLowerFull = (valueLowerFull / i);
Serial.println("-- Value Upper Full --");
Serial.println(valueUpperFull);
Serial.println("-- Value Lower Full --");
Serial.println(valueLowerFull);
Serial.println("== End Calibration ==");
}
void loop()
{
// Blue LED blinking while waiting for Bluetooth data
delay(500);
LED(LEDBlue, 500);
if (bt.available()) {
// Getting Bluetooth data
// Blue LED shines while waiting for start
digitalWrite(LEDBlue, HIGH);
String input = "";
while(bt.available())
{
input += (char)bt.read();
delay(50);
}
int seconds = input.toInt();
setupStart = true;
Serial.println("== Start Loop ==");
Serial.println("-- Seconds --");
Serial.println(seconds);
Serial.println("-- Measurements --");
while(setupStart)
{
// Reading values from moisture level sensors 10 times in a loop to get more stable measurements
int a = 0;
int valueUpper = 0;
int valueLower = 0;
do
{
checkLEDBlue(seconds);
delay(25);
valueUpper += analogRead(sensorUpper);
checkLEDBlue(seconds);
delay(25);
valueLower += analogRead(sensorLower);
a++;
}
while(a < 10);
valueUpper = valueUpper / 10;
valueLower = valueLower / 10;
Serial.println("-- Values -- ");
Serial.println(valueUpper);
Serial.println(valueLower);
Serial.println("");
if(!start)
{
// Starting when the person starts drinking
if(valueUpper < valueUpperFull + tolerance)
{
start = true;
startTime = millis();
LEDBlueTime = millis();
LEDBlueBlink = false;
}
}
else
{
int sec = (millis() - startTime) / 1000;
// WIN
if(valueUpper > valueUpperEnd && valueLower > valueLowerEnd && sec < seconds - 1)
{
digitalWrite(LEDBlue, LOW);
LED(LEDGreen, 10000);
endDrinking();
}
// LOSE
if(sec > seconds - 1)
{
digitalWrite(LEDBlue, LOW);
startShocking();
delay(100);
stopShocking();
endDrinking();
}
}
}
}
}
void startShocking()
{
digitalWrite(LEDRed, HIGH);
digitalWrite(shocker, HIGH);
}
void stopShocking()
{
digitalWrite(shocker, LOW);
digitalWrite(LEDRed, LOW);
}
void checkLEDBlue(int seconds)
{
if(start)
{
// Blue LED blinking faster while drinking
int sec = (millis() - startTime) / 1000;
int blinkingTime = 50 + (float)(seconds - sec) / (float)seconds * 250;
if((millis() - LEDBlueTime) > blinkingTime)
{
LEDBlueTime = millis();
if(LEDBlueBlink)
{
digitalWrite(LEDBlue, HIGH);
}
else
{
digitalWrite(LEDBlue, LOW);
}
LEDBlueBlink = !LEDBlueBlink;
}
}
}
void endDrinking()
{
Serial.println("== Stop Loop ==");
digitalWrite(LEDBlue, LOW);
setupStart = false;
start = false;
}
void LED(int pLED, int pTime)
{
digitalWrite(pLED, HIGH);
delay(pTime);
digitalWrite(pLED, LOW);
}