Ignore:
Timestamp:
05/20/2009 06:50:07 PM (16 years ago)
Author:
njw <njw@…>
Branches:
master
Children:
789d162
Parents:
b51b715
Message:

hothotheat identifies real gas reeds (reads) now

  • outout to UART about every second
  • displays tGR and temperature
File:
1 edited

Legend:

Unmodified
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  • de.wigbels.avr/sketchbook/hothotheat/hothotheat.pde

    rb51b715 r86f2c9a  
    1717 *
    1818 * Format: <# of Sensor> <data>
    19  * Example: 1; Temperature in Celsius
    20  * tbd.
     19 * Example: 1  23.4
     20 *          2  HIGH
     21 *          3  14
    2122 */
    2223 
    … …  
    2930
    3031int inputReed = PBPIN4;
    31 int outputLED = PBPIN3;
     32int outputLED = PBPIN7;
    3233
    3334int value = 0;
    3435int debounce = 0;
     36int slewRate = 0;
     37int everySecond = 0;
    3538
    36 long gasReeds = 0;
     39unsigned long gasReeds = 0;
     40int  temp = 0;
     41
    3742
    3843void setup() {
    39   LCD.prints_f(PSTR("HOTHOTHEAT"));
    40   delay(2500);
     44  LCD.prints_f( PSTR( "HOTHOTHEAT" ) );
     45  delay( 2500 );
    4146 
    4247  // Set up the RTC timer to call the secTick() function every second.
    4348  RTCTimer.init( secTick );
    4449 
    45   Serial.begin(9600);
     50  Serial.begin( 9600 );
    4651
    4752  TempSense.overSample = true;
    4853
    49   pinMode(inputReed, INPUT);
    50   pinMode(outputLED, OUTPUT);
     54  pinMode( inputReed, INPUT );
     55  pinMode( outputLED, OUTPUT );
     56 
     57  digitalWrite( outputLED, HIGH );
    5158}
     59
    5260
    5361void secTick()
    5462{
    5563  LCD.print( gasReeds );
    56   LCD.println( " tGR" );
     64  LCD.print( " G " );
     65  LCD.print( temp );
     66  LCD.println( " C" );
     67  everySecond=1;
    5768}
    5869
     70
    5971int getSamples() {
    60   // Temperature = Sensor 1
    61   Serial.print("1");
    62   Serial.print("\t");
    63   Serial.println(TempSense.getTemp(CELSIUS));
    6472
     73  temp = TempSense.getTemp( CELSIUS );
     74 
    6575  // switchtime of reed is 18 ms including debouncing...
    66   value = digitalRead(inputReed);
    67   delay(20);
    68   debounce = digitalRead(inputReed);
     76  value = digitalRead( inputReed );
     77  delay( 20 );
     78  debounce = digitalRead( inputReed );
    6979
    7080  // Reedcontact = Sensor 2
    71   if (value==debounce) {
    72     Serial.print("2");
    73     Serial.print("\t");
    74     if (value == HIGH) {
    75       Serial.println("HIGH");
    76       gasReeds++;
     81  if ( value==debounce ) {   
     82    if ( value == HIGH ) {
     83      slewRate=1;
    7784      return 1;
    7885    }
    7986    else {
    80       Serial.println("LOW");
     87      if( slewRate==1 ) {
     88        slewRate=0;
     89        gasReeds++;
     90      }
    8191      return 0;
    8292    }
    … …  
    8494}
    8595
     96
    8697void loop() { 
    87   // Switch LED on for a certain time to mark a switched Reed contact
    88   if(getSamples()==1) {
    89     digitalWrite(outputLED, HIGH);
     98  // LED marks Butterfly working; dark to mark a reed contact
     99  if( getSamples()==1 ) {
     100    digitalWrite( outputLED, LOW );
    90101  } else {
    91     digitalWrite(outputLED, LOW);
     102    digitalWrite( outputLED, HIGH );
    92103  }
    93104
    94   delay(100);
     105  if ( everySecond==1 ) {
     106    everySecond = 0;
     107
     108    // Temperature
     109    Serial.print( "1" );
     110    Serial.print( "\t" );
     111    Serial.println( temp );
     112
     113    // Reed HIGH or Low 
     114    Serial.print( "2" );
     115    Serial.print( "\t" );
     116    if( slewRate==1 ) {
     117        Serial.println( "HIGH" );
     118    } else {
     119        Serial.println( "LOW" );
     120    }
     121 
     122    // Total of Gas Reeds
     123    Serial.print( "3" );
     124    Serial.print( "\t" );
     125    Serial.println( gasReeds );
     126  }
     127   
     128  delay(50);
    95129}
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