Heßler, M., Liggieri, K.: Technikanthropologie: Handbuch für Wissenschaft und Studium, Nomos, Baden-Baden 2020.

Code 0-1: Literatur zu Technikanthropologie

DAILY LIFE

   step counter (IMU sensor)
   remote control for TV, radio etc. (infrared data transmitter)

   recognition of too intensive sun exposure (Light intensity sensor)

   using bluetooth to connect to the phone for passing messages

   doing calls using microphone and loudspeaker

   performing alarms by using vibration

   games with distributed users

SPORTS

   compass

MEDICINE

   Reminder for taking medicine / body sensoring ... measurement of level of insuline e.g.
   heart rate monitoring sensor

   rescue system (alarm if no motion)
   rescue system (alarm if to hard motion)

WORK CONTEXTS

Code 0-2: Initial collection of ideas on possible applications for the clock and possible fault tolerance patterns that could be used in this context.

WEDNESDAY 15.10. 22.10. 29.10. 
          05.11. 12.11. 19,11,
          --------------------
          26.11. 03.12. 10.12.
          17.12.

Code 0-3: Dates for the presentations.

#include <iostream>
using namespace std;
int main(void)
{
    cout<<endl<<"Hello world!"<<endl;
    return 0;
}

Code 0-4: hello.cpp

#include <iostream>
using namespace std;

int x=7; // declaration and initialization == definition
char y='4';
char text[]="My text."; // ends with 0 == ''
int main(void)
{
    cout<<endl<<"Hello world! "<<"x="<<x<<endl;
    cout<<(int)y<<endl;
    cout<<text<<endl;
    cout<<size(text)<<endl;
    return 0;
}

Code 0-5: hello2.cpp (variables)

#include <iostream>
using namespace std;

int mult(int x, int y)
{
   int z = x*y;
   return z;
}

int main(void)
{
    cout<<"4*5="<<mult(4,5)<<endl;
    return 0;
}

Code 0-6: hello3.cpp

#include <iostream>
using namespace std;

bool hasE(char text[])
{
   int index = 0;
text[0]='#';
   while(text[index]!='')
   {
       if(text[index]=='e' || text[index]=='E')
           return true;
       index++;
   }
   return false;
}

int main(void)
{
    char sentence1[] = "This is cool!";
    char sentence2[] = "This is an elephant!";

    cout<<sentence1<<" ..has an e?:"<<hasE(sentence1)<<endl;
    cout<<sentence2<<" ..has an e?:"<<hasE(sentence2)<<endl;
    cout<<sentence1<<endl;
    cout<<sentence2<<endl;

    return 0;
}

Code 0-7: hello4.cpp (call by reference)

#include <iostream>
#include <math.h>
using namespace std;
class Vektor
{
    public:
       double x,y;
   
       double calculateLength()
       {
           return sqrt(x*x+y*y);
       }
}; 
int main(void)
{
    Vektor v1,v2;
    v1.x=3.0;
    v1.y=4.0;
    v2.x=1.0;
    v2.y=0.0;
    double l1 = v1.calculateLength();
    double l2 = v2.calculateLength();
    cout<<"|v1|="<<l1<<endl;
    cout<<"|v2|="<<l2<<endl;
    return 0;
}

Code 0-8: hello5.cpp (explain classes and objects in objectoriented programing)

#include "twatch.h"
#include "variables.h"
#include "functions.h"
 int state=0;
void setup() 
{
    setupTWATCH();
    backlight(true); 
    
}

void loop() 
{
  
    if(button()) {
      state++;
      if(state > 2){
        state=0;
      }
      switch(state){
        case 0:
        background(255,0,0);
       break;
       case 1:
       background(0,255,0);
       break;
       case 2:
       background(0,0,255);
       break;
      }
    }
    
    
    delay(100);  
}

Code 0-9: Student solution.

#include "twatch.h"
#include "variables.h"
#include "functions.h"

float skalierung=0.5;
float KreisX=0;
float KreisY=0;
void setup() 
{
    setupTWATCH();
    backlight(true); 
}

void loop() 
{
    bool res = acceleration();

  if(KreisX>240){
    KreisX=240;
  }else if(KreisX<0){
    KreisX=0;
  }else{
    KreisX = 120 - (float)(accY*skalierung);
  }
  if(KreisY>240){
    KreisY=240;
  }else if(KreisY<0){
    KreisY=0;
  }else{
    KreisY = 120 + (float)(accX*skalierung);
  }
  

 fill(0,0,255);
 circle(KreisX,KreisY,20);
    delay(50);
    clear();
    delay(50);
}

Code 0-10: Student solution.

    if(button()) //wird ausgeführt, wenn Knopf gedrückt
    { 
        if(!WIFIOKAY) //Falls WIFi NICHT verfügbar
        {
            setupWIFI(hotspot,password,udpport); //...Verbindungsversuch starten
        }
        ....
     }

Code 0-11: Main tab of project TWATCH_PROC023 from line 227 onwards.

      case 2: //Acceleration (Switch Anweisung bei MODE 2)
      {
        backlight(true);
        cursor(0,0);
        bool res = acceleration();            //Auslesen der Beschleunigungswerte
        if(WIFIOKAY && udp.listen(UDPPORT))   //Wenn WiFi Verbindung vorhanden und ein Datenpaket vom PC empfangen wird...
        {
            udp.onPacket([](AsyncUDPPacket packet) 
            {
                if(Serial) Serial.write(packet.data(), packet.length());            
                if(Serial) Serial.println();
                packet.printf("accX=%d accY=%d accZ=%d", accX,accY,accZ);  //Übertrage die Beschleunigungsdaten          
            });      
        }
        ...
      }
      ...

Code 0-12: Main tab of project TWATCH_PROC023 from line 110 onwards.

#include "twatch.h"
#include "variables.h"
#include "functions.h"

...

const char* hotspot = "hotspotX";
const char* password = "12345678";
int udpport = 6000;
...

Code 0-13: Main tab of project TWATCH_PROC023 from line 1 onwards.

void setup() 
{
    setupTWATCH();
    setupSERIAL(115200);
    setupWIFI(hotspot,password,udpport); Bereits hier wird ein Verbindungsversuch gestartet
    setupMotor();
    //setFont(3);
    //setFont(2,255,55,0,  0,0,0);
    setFont(1, 255,255,255,  255,0,0);
    updateTime(); //RTC Zeit nehmen
    backlight(true); 
}

Code 0-14: Main tab of project TWATCH_PROC023 from line 1 onwards.

import hypermedia.net.*;
String IP = "10.42.0.255"; 
int PORT = 6000; //für UDP benötigt.
UDP udp;

String NACHRICHT="";

public void setup()
{
    size(700,500);
    udp = new UDP( this, 6000 );
    udp.listen( true ); 
    frameRate(10);
}

public void draw()
{
    background(255);
    fill(0);
    textSize(20);
    text("Empfangen:",30,30);
    text(NACHRICHT,30,60);     //Nachricht der Uhr ggf. anzeigen.
    
    udp.send("Test", IP, PORT );  //Zyklisch einen "PING" an die Uhr schicken.
}

   void receive( byte[] data, String ip, int port ) //Callback Funktion, die auf hereinkommende Pakete reagiert.
   {  
      // <-- extended handler  
      // get the "real" message =
      // forget the ";
" at the end <-- !!! only for a communication with Pd !!!
      //data = subset(data, 0, data.length-2);
      String x = new String( data );
      if(x!=null && !x.equals("Test"))  //Nachricht der Uhr bereitstellen.
         NACHRICHT = x;
   }     

Code 0-15: Processing sketch for the PC/laptop side.