Changeset 86f2c9a

Timestamp:

May 20, 2009, 6:50:07 PM (15 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:

• de.wigbels.avr/sketchbook/hothotheat/hothotheat.pde (modified) (3 diffs)

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

@@ -17 +17 @@
  *
  * Format: <# of Sensor> <data>
- * Example: 1; Temperature in Celsius
- * tbd.
+ * Example: 1  23.4
+ *          2  HIGH
+ *          3  14
  */
  
@@ -29 +30 @@
 
 int inputReed = PBPIN4;
-int outputLED = PBPIN3;
+int outputLED = PBPIN7;
 
 int value = 0;
 int debounce = 0;
+int slewRate = 0;
+int everySecond = 0;
 
-long gasReeds = 0;
+unsigned long gasReeds = 0;
+int  temp = 0;
+
 
 void setup() {
-  LCD.prints_f(PSTR("HOTHOTHEAT"));
-  delay(2500);
+  LCD.prints_f( PSTR( "HOTHOTHEAT" ) );
+  delay( 2500 );
  
   // Set up the RTC timer to call the secTick() function every second.
   RTCTimer.init( secTick );
   
-  Serial.begin(9600); 
+  Serial.begin( 9600 ); 
 
   TempSense.overSample = true;
 
-  pinMode(inputReed, INPUT);
-  pinMode(outputLED, OUTPUT);
+  pinMode( inputReed, INPUT );
+  pinMode( outputLED, OUTPUT );
+  
+  digitalWrite( outputLED, HIGH );
 }
+
 
 void secTick()
 {
   LCD.print( gasReeds );
-  LCD.println( " tGR" );
+  LCD.print( " G " );
+  LCD.print( temp );
+  LCD.println( " C" );
+  everySecond=1;
 }
 
+
 int getSamples() {
-  // Temperature = Sensor 1
-  Serial.print("1");
-  Serial.print("\t");
-  Serial.println(TempSense.getTemp(CELSIUS));
 
+  temp = TempSense.getTemp( CELSIUS );
+  
   // switchtime of reed is 18 ms including debouncing...
-  value = digitalRead(inputReed);
-  delay(20);
-  debounce = digitalRead(inputReed);
+  value = digitalRead( inputReed );
+  delay( 20 );
+  debounce = digitalRead( inputReed );
 
   // Reedcontact = Sensor 2
-  if (value==debounce) {
-    Serial.print("2");
-    Serial.print("\t");
-    if (value == HIGH) {
-      Serial.println("HIGH");
-      gasReeds++;
+  if ( value==debounce ) {    
+    if ( value == HIGH ) {
+      slewRate=1;
       return 1;
     }
     else {
-      Serial.println("LOW");
+      if( slewRate==1 ) {
+        slewRate=0;
+        gasReeds++;
+      }
       return 0;
     }
@@ -84 +94 @@
 }
 
+
 void loop() {  
-  // Switch LED on for a certain time to mark a switched Reed contact
-  if(getSamples()==1) {
-    digitalWrite(outputLED, HIGH);
+  // LED marks Butterfly working; dark to mark a reed contact
+  if( getSamples()==1 ) {
+    digitalWrite( outputLED, LOW );
   } else {
-    digitalWrite(outputLED, LOW);
+    digitalWrite( outputLED, HIGH );
   }
 
-  delay(100);
+  if ( everySecond==1 ) {
+    everySecond = 0;
+
+    // Temperature
+    Serial.print( "1" );
+    Serial.print( "\t" );
+    Serial.println( temp );
+
+    // Reed HIGH or Low  
+    Serial.print( "2" );
+    Serial.print( "\t" );
+    if( slewRate==1 ) {
+        Serial.println( "HIGH" );
+    } else {
+        Serial.println( "LOW" );
+    }
+  
+    // Total of Gas Reeds
+    Serial.print( "3" );
+    Serial.print( "\t" );
+    Serial.println( gasReeds );
+  }
+   
+  delay(50);
 }