/*
friction label
// board info: LilyGO TTGO T8 ESP32-S2 - with SD Card Slot
// board select: ESP32S2 DEV Module

current USB port: 142300
*/

#define sensor1 1   // PCB: 42 // potentiometer: fontsize RV1
#define sensor2 2  // PCB: 37 // potentiometer: font RV2
#define sensor3 3  // PCB: 35 // potentiometer: outline RV3
#define sensor4 4  // PCB: 36  // potentiometer: rotation RV4
#define sensor5 5  // PCB: 46 // slide potentiometer: x position RV5
#define sensor6 6  // PCB: 45 // slide potentiometer: y position RV6
#define sensor7 7  // PCB: 39 // slide potentiometer: graytone 1 RV7
#define sensor8 8  // PCB: 38 // slide potentiometer: graytone 2RV8
#define sensorLED 0 // LED

String input;
String newData;
String output;
String moduleID = "#FL";


// the setup routine runs once when you press reset:
void setup() {
  // initialize serial and serial1 communication at 115200 and 9600 bits per second:
  Serial.begin(115200);  //goes to serial monitor, just for debugging purposes
  Serial1.begin(9600); // goes to the next module via patch cable (use transmit pin TX on IO17 and also connect to GND)

  Serial1.setTimeout(100); // there is a small bug, so there needs to be a checksum?
     
  // set mode for digital input to not give floating values, but either 0 or 1:
  pinMode(sensorLED, OUTPUT); // set LED pin to output
  //LED initial state
  digitalWrite(sensorLED, LOW);
}




// the loop routine runs over and over again forever:
void loop() {

  // sensor 1: fontsize
  // read analog input
  int sensorValue1 = analogRead(sensor1);
  // redefine range for fontsize:
  int fontsize = map(sensorValue1, 0, 8191, 100, 1);

  
  // sensor 2: font
  // read analog input
  int sensorValue2 = analogRead(sensor2);
  // redefine range for font:
  int value2 = map(sensorValue2, 0, 8191, 8191, 0);
  // use value2 to define font: not get int but string with fontname:
  String font = "";
  if(value2 >= 0 && value2 < 1) {font = "T-1";} // if value1 is bigger than or equal to 1 and value1 is smaller than or equal to 10: Times-Roman
  else if(value2 >= 1 && value2 <= 2) {font = "T-2";} // else if value1 is bigger than or equal to 11 and value1 is smaller than or equal to 20: Times-Bold
  else if(value2 >= 50 && value2 <= 920) {font = "T-3";}
  else if(value2 >= 921 && value2 <= 1830) {font = "T-4";}
  else if(value2 >= 1831 && value2 <= 3199) {font = "H-1";}
  else if(value2 >= 3200 && value2 <= 4399) {font = "H-2";}
  else if(value2 >= 4400 && value2 <= 5600) {font = "H-3";}
  else if(value2 >= 5601 && value2 <= 6350) {font = "H-4";}
  else if(value2 >= 6351 && value2 <= 7250) {font = "C-1";}
  else if(value2 >= 7251 && value2 <= 7870) {font = "C-2";}
  else if(value2 >= 7871 && value2 <= 8189) {font = "C-3";}
  else if(value2 >= 8190 && value2 <= 8191) {font = "C-4";}



  // sensor 3: outline
  // read analog input
  int sensorValue3 = analogRead(sensor3);
  // redefine range for outline:
  int outline = map(sensorValue3, 0, 8191, 120, 20);


  // sensor 4: rotation
  // read analog input
  int sensorValue4 = analogRead(sensor4);
  // redefine range for rotation:
  int rotation = map(sensorValue4, 0, 8191, 20, 0);



  // sensor5: x position
  // read analog input
  int sensorValue5 = analogRead(sensor5);
  // redefine range for x-position:
  int xPosition = map(sensorValue5, 0, 8191, 0, 450);


  // sensor6: y position
  // read analog input
  int sensorValue6 = analogRead(sensor6);
  // redefine range for y-position:
  int yPosition = map(sensorValue6, 0, 8191, 0, 700);


  // sensor7: graytone 1
  // graytone1 = text
  // read analog input
  int sensorValue7 = analogRead(sensor7);
  // redefine range for graytones:
  int value7 = map(sensorValue7, 0, 8191, 0, 110);
  // graytone1:
  String graytone1 = "";
  if(value7 >= 0 && value7 <= 10) {graytone1 = "0.0";} //black
  else if(value7 >= 11 && value7 <= 20) {graytone1 = "0.1";}
  else if(value7 >= 21 && value7 <= 30) {graytone1 = "0.2";}
  else if(value7 >= 31 && value7 <= 40) {graytone1 = "0.3";}
  else if(value7 >= 41 && value7 <= 50) {graytone1 = "0.4";}
  else if(value7 >= 51 && value7 <= 60) {graytone1 = "0.5";}
  else if(value7 >= 61 && value7 <= 70) {graytone1 = "0.6";}
  else if(value7 >= 71 && value7 <= 80) {graytone1 = "0.7";}
  else if(value7 >= 81 && value7 <= 90) {graytone1 = "0.8";}
  else if(value7 >= 91 && value7 <= 100) {graytone1 = "0.9";}
  else if(value7 >= 101 && value7 <= 110) {graytone1 = "1.0";} //white


  // sensor8: graytone 2
  // graytone2 = outline
  // read analog input
  int sensorValue8 = analogRead(sensor8);
  // redefine range for graytones:
  int value8 = map(sensorValue8, 0, 8191, 0, 100);  
  // graytone2:
  String graytone2 = "";
  if(value8 >= 0 && value8 <= 10) {graytone2 = "0.0";}  //black
  else if(value8 >= 11 && value8 <= 20) {graytone2 = "0.1";}
  else if(value8 >= 21 && value8 <= 30) {graytone2 = "0.2";}
  else if(value8 >= 31 && value8 <= 40) {graytone2 = "0.3";}
  else if(value8 >= 41 && value8 <= 50) {graytone2 = "0.4";}
  else if(value8 >= 51 && value8 <= 60) {graytone2 = "0.5";}
  else if(value8 >= 61 && value8 <= 70) {graytone2 = "0.6";}
  else if(value8 >= 71 && value8 <= 80) {graytone2 = "0.7";}
  else if(value8 >= 81 && value8 <= 90) {graytone2 = "0.8";}
  else if(value8 >= 91 && value8 <= 100) {graytone2 = "0.9";} //almost white



  
  //put all the above values in a string to define the new data from this module:
  newData = "&&&" + String(moduleID) + "," + String(font) + "," + String(fontsize) + "," + String(rotation) + "," + String(outline) + "," + String(xPosition) + "," + String(yPosition) + "," + String(graytone1) + "," + String(graytone2) + "&&&";

 //Receive data from previous module (RX):   
  input = Serial1.readStringUntil('\n'); // read received data until line break and store in input variable


  //LED
  if (input != "") {
    digitalWrite(sensorLED, HIGH); //turn LED on
  }
  else {
    digitalWrite(sensorLED, LOW); //turn LED off
  }

  
  
  output = input + newData;

 //Send data to next module (TX):
  Serial1.println(output); //the data received + new data 

 //Print data on Serial Monitor:
  Serial.println("This is the input I received: " + input);
  Serial.println("Friction Label, new data: " + newData);
  Serial.println("This is the output I send: " + output);

}