BMW e36 Tacho sketch

BMW e36 Tacho sketch

Arduino Code für GameDash (XSimulator Motion Simulator)

unten stehender Code ist aus bestehenden Sketche adaptiert und verändert
(Technikprojekte, XSIMULATOR)

Alle funktionen des Tacho,  Ganganzeige, eine 8 stellige konfigurierbare LED-Anzeige für Rpm

funktioniert mit Mega2560, Uno und Nano
Die Pins müssen den entsprechenden Mikrocontroller angepasst werden.
#include 
#include 
char kind_of_data;
// shiftpoint #############
int ShiftPoint  = 0;   
int RpmSimTools = 6500;  // Schaltpunkt vorbelegen
int LimitRange  = 0;
int UnderShiftPoint;
int OverShiftPoint;
int OverShift;
int UnderShift;
int ButtonState;
int LastButtonState = LOW;
long lastDebounceTime = 0;
long debounceDelay    = 5;
//LED rpm
int rpmLED = 0;
// 7segment Common Cathode 
int Gear;
int GearLight = 0;
int N1[9] = {63,6,91,79,102,109,124,7,80};  // 0 1 2 3 4 5 6 7 r
//arduino pins
int prpm = 2;      
int pkmh = 3;          
int ful  = 5;   // pwm 
int tmp  = 6;   // pwm 
int capture_button = 4;  //shift point capture button
int analog_adj_pot = 0;  // adjusting poti
//arduino spi pins nach 74HC595 (Shiftregister)
int latchpin = 10;   // blaues kabel >> RCLK   (Register clock)
int clockpin = 13;   // grünes kabel >> SRCLK  (Shift register clock)
int datapin  = 11;   // gelbes kabel >> SER    (Serial data input)
// Tone
Tone kmh;
Tone rpm;
 
void setup(){
  pinMode(latchpin, OUTPUT);  
  pinMode(ful, OUTPUT);  
  pinMode(tmp, OUTPUT); 
  pinMode(capture_button,INPUT);
   
  digitalWrite(latchpin, LOW);
 
  //Setup SPI
  SPI.setBitOrder(MSBFIRST);
  SPI.begin(); 
  
  //Setup TONE 
  kmh.begin(pkmh);
  rpm.begin(prpm);
 
  Serial.begin(115200);
  // Vorbelegung auf 50°c
  analogWrite(tmp,85); 
  // Vorbelegung auf 30 Ltr.
  analogWrite(ful,95); 
}
 
void CheckButtonPress() {   // shiftlight 
  int reading = digitalRead(capture_button);
  if (reading != LastButtonState){
    lastDebounceTime = millis();
  }
  if ((millis() - lastDebounceTime) > debounceDelay) {
    if (reading != ButtonState){
      ButtonState = reading;
      if (ButtonState == HIGH){
        ShiftPoint = RpmSimTools;
      }
    }
  }
  LastButtonState = reading;
}
 
void CheckShiftLightAdj() {  // shiftlight nachjustieren
  LimitRange = analogRead(analog_adj_pot);
  int RpmAdjust = map(LimitRange, 1, 1023, 0, 2000);
  UnderShift = RpmAdjust;
  OverShift = RpmAdjust;
}
 
void SetLimits() {  // shiftlight
  UnderShiftPoint = ShiftPoint - UnderShift;
  OverShiftPoint = ShiftPoint + OverShift;
}
  
void ReadData(){
if(Serial.available() > 0) {
    kind_of_data = Serial.read();
    delay(1);
    int Data100 = Serial.read() - '0';
    delay(1);
    int Data10 = Serial.read()- '0';
    delay(1);
    int Data1 = Serial.read()- '0';
 
    //Daten anpassen: aus 1 wird 001, aus 10 wird 010 etc.
    while (Data1 < 0) {
      Data1 = Data10;
      Data10 = Data100;
      Data100 = 0;
    }
 
    int Data = 100*Data100 + 10*Data10 + Data1;
      //  Speed
      if (kind_of_data == 'S') {
      int Speed = map(Data,0,255,0,318);
      //  Gauge begrenzen
       if(Speed > 318) {
        Speed = 318;
        kmh.play(Speed);
       }
       else if((Speed <= 318) && (Speed >= 25)) {
        kmh.play(Speed);
       }
       else if(Speed < 25) {
        kmh.stop();
       }
      } 
 
      // Drehzahl      
      else if (kind_of_data == 'R') {
       RpmSimTools = Data*10;
       int Drehzahl = map(Data,0,700,0,350);
    
       if(Drehzahl > 350) {
        Drehzahl = 350;
       }
       if(Drehzahl < 025) {
        Drehzahl = 000;
       }
       rpm.play(Drehzahl);
     }
 
      // Gang 
      else if (kind_of_data == 'G') {
       Gear = Data;
 
       if (Gear == 9) {   // rückwärts
        GearLight = N1[8];
       } 
       if (Gear == 0) {   // neutral
        GearLight = N1[0];
       } 
       if (Gear == 1) {   // 1 gang
        GearLight = N1[1];  
       } 
       if (Gear == 2) {   // 2 gang
        GearLight = N1[2];
       }  
       if (Gear == 3) {   // 3 gang
        GearLight = N1[3];
       } 
       if (Gear == 4) {   // 4 gang
        GearLight = N1[4];
       } 
       if (Gear == 5) {   // 5 gang
        GearLight = N1[5];
       }
       if (Gear == 6) {   // 6 gang
        GearLight = N1[6];
       }
       if (Gear == 7) {   // 7 gang
        GearLight = N1[7];
       }
      }
 
      //Tankinhalt 
      else if (kind_of_data == 'F') {
       int Tankinhalt = map(Data,0,65,13,155);
 
       if(Tankinhalt > 155) {
        Tankinhalt = 155;
       }
       if(Tankinhalt < 13) {
        Tankinhalt = 13;
       }
       analogWrite(ful,Tankinhalt);      
     }
 
      //Temperatur 
      else if (kind_of_data == 'T') {
       int Temperatur = map(Data,0,140,140,0);
       analogWrite(tmp,Temperatur);             
      }
 
    DisplayLeds();    
   }
}
 
void DisplayLeds(){  
       
   if (RpmSimTools < UnderShiftPoint *0.25){     
    rpmLED=0;    
   }       
   
   if (RpmSimTools >= UnderShiftPoint *0.25){
    rpmLED=1; 
   }
   
   if (RpmSimTools >= UnderShiftPoint *0.5){
    rpmLED=3;  
   }
 
   if (RpmSimTools >= UnderShiftPoint *0.75){
    rpmLED=7;  
   }
   
   if (RpmSimTools >= UnderShiftPoint){
    rpmLED=15;  
   }
    
   if (RpmSimTools >= ShiftPoint -500){
    rpmLED=31;   
   }

   if (RpmSimTools >= ShiftPoint){
    rpmLED=63;   
   }
  
   if (RpmSimTools >= OverShiftPoint -500){
    rpmLED=127;
   } 
  
   if (RpmSimTools >= OverShiftPoint){
    rpmLED=255;
   }
 
  digitalWrite(latchpin, HIGH);                       
  SPI.transfer(GearLight);    // Ganganzeige
  SPI.transfer(rpmLED);       // LED's Drehzahl
  digitalWrite(latchpin, LOW); 
}   
 
void loop(){ 
  CheckButtonPress();
  CheckShiftLightAdj();
  SetLimits();
  ReadData(); 
}

Die passende GameDash konfiguration findet ihr >> hier <<

BMW e36 Tacho sketch
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