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Code: Alles auswählen

#include <avr/io.h>
#define F_CPU 16000000    // Systemtakt in Hz
#define BAUD 9600      // Baudrate
.
.
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void uart_puts (const char *s)
{
	while (*s) 
	{
		uart_putc(*s);
		s++;
	}
}

Code: Alles auswählen

  
  #define DEBUG
   
  #define LED_ONE 10
  #define LED_TWO 11
  #define LED_THREE 12
  #define analogPin 2
  #define updateTime 1000
   
  #define BLUE 0
  #define GREEN 1
  #define OUT 2
  #define RED 3
  #define RED_BLINK 4
   
  int currentMode = 0;
  int currentResistance = 0;
  long lastUpdate = 0;
   
  void setLED(int led, int r, int g, int b) {
   analogWrite(led, r);
   analogWrite(led + 1, g);
   analogWrite(led + 2, b);
  }
   
  void enableLED(int led) {
  for (int col = 0; col < 5; col++) {
    Serial.write(led+col);
    pinMode(led + col, OUTPUT);
  }
  }
   
  void startSequence(int led) {
  for (int col = 0; col < 5; col++) {
    setLED(led, col == 0 ? 255 : 0, col == 1 ? 255 : 0, col == 2 ? 255 : 0);
    delay(700);
  }
  }
   
  int getBlinkmode(int temp) {
  if (temp <= 39) {
    return RED_BLINK;
  } else if (temp <= 77 >= 39){
    return RED;
  } else if (temp >= 550) {
    return BLUE;
  } else if (temp <= 550 >= 227) {
    return GREEN;  
  } else {
    return OUT;
  }
   
  }
   
  int measureResistance() {
  if (millis() - lastUpdate > updateTime) {
   
    int raw = 0;          
    int Vin = 5;        
    float Vout = 0;      
    float R1 = 10;        
    float R2 = 0;        
    float buffer = 0;
   
    raw = analogRead(analogPin);    // Reads the Input PIN
    Vout = (5.0 / 1023.0) * raw;    // Calculates the Voltage on th Input PIN
    buffer = (Vin / Vout) - 1;
    R2 = R1 / buffer;
    Serial.print("Voltage: ");      //
    Serial.println(Vout);           // Outputs the information
    Serial.print("R2: ");           //
    Serial.println(R2);             //
    lastUpdate = millis();
  }
   
  return 0;
  }
   
  void handleBlinkmode(int led, int mode) {
  switch(mode) {
   case BLUE:
     setLED(led, 0, 0, 255);
     break;
   case GREEN:
     setLED(led, 0, 255, 0);  
   case OUT:
     setLED(led, 0, 0, 0);
     break;
   case RED:
     setLED(led, 255, 0, 0);
     break;
   case RED_BLINK:
     setLED(led, millis() % 15 >= 7 ? 255 : 0, 0, 0);
     break;
  }
  }
   
  void setup() {
  #ifdef DEBUG
    Serial.begin(9600);
  #endif
  enableLED(LED_ONE);
  startSequence(LED_ONE);
  }
   
  void loop() {
  int res = measureResistance();
  currentResistance = res != 0 ? res : currentResistance;
  currentMode = getBlinkmode(currentResistance);
  handleBlinkmode(LED_ONE, currentMode);
  /*  #ifdef DEBUG
    Serial.print(res);
    Serial.print("\t");
    Serial.print(currentResistance);
    Serial.print("\t");
    Serial.println(currentMode);
  #endif*/
  }

Code: Alles auswählen

  int measureResistance() {
  if (millis() - lastUpdate > updateTime) {
   
    int raw = 0;          
    int Vin = 5;        
    float Vout = 0;      
    float R1 = 10;        
    float R2 = 0;        
    float buffer = 0;
   
    raw = analogRead(analogPin);    // Reads the Input PIN
    Vout = (5.0 / 1023.0) * raw;    // Calculates the Voltage on th Input PIN
    buffer = (Vin / Vout) - 1;
    R2 = R1 / buffer;
    Serial.print("Voltage: ");      //
    Serial.println(Vout);           // Outputs the information
    Serial.print("R2: ");           //
    Serial.println(R2);             //
    lastUpdate = millis();
  }
   
  return raw ; // oder return 600;
  }