Changeset 789d162

Timestamp:

May 22, 2009, 10:07:45 PM (15 years ago)

Author:

njw <njw@…>

Branches:

master

Children:

5fb6ac6

Parents:

86f2c9a

Message:

no chance to use the Interrupt-API with the Butterfly?!

File:

• de.wigbels.avr/sketchbook/hothotheat/hothotheat.pde (modified) (9 diffs)

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

@@ -17 +17 @@
  *
  * Format: <# of Sensor> <data>
- * Example: 1  23.4
- *          2  HIGH
- *          3  14
+ * Example: 1  23.4    --    Temperature
+ *          2  HIGH    --    Reed count
+ *          3  14      --    Total of Reed counts since start of programm
  */
  
@@ -34 +34 @@
 int value = 0;
 int debounce = 0;
-int slewRate = 0;
-int everySecond = 0;
+int slewRate = LOW;
+int everySecond = false;
 
 unsigned long gasReeds = 0;
@@ -42 +42 @@
 
 void setup() {
+  // Identify butterfly running program...
   LCD.prints_f( PSTR( "HOTHOTHEAT" ) );
   delay( 2500 );
@@ -56 +57 @@
   
   digitalWrite( outputLED, HIGH );
+  temp = TempSense.getTemp( CELSIUS );
 }
 
@@ -65 +67 @@
   LCD.print( temp );
   LCD.println( " C" );
-  everySecond=1;
+  everySecond=true;
 }
 
 
 int getSamples() {
-
+  // Sensor 1 - Temperature
   temp = TempSense.getTemp( CELSIUS );
   
@@ -78 +80 @@
   debounce = digitalRead( inputReed );
 
-  // Reedcontact = Sensor 2
+  // Sensor 2 - Reedcontact
+  // ...we are just interested in falling levels
+  // __|----|count_here__|----|_count_here__
   if ( value==debounce ) {    
-    if ( value == HIGH ) {
-      slewRate=1;
-      return 1;
+    if ( value==HIGH ) {
+      slewRate=HIGH;
+      return HIGH;
     }
     else {
-      if( slewRate==1 ) {
-        slewRate=0;
+      if( slewRate==HIGH ) {
+        slewRate=LOW;
         gasReeds++;
       }
-      return 0;
+      return LOW;
     }
   }
@@ -97 +101 @@
 void loop() {  
   // LED marks Butterfly working; dark to mark a reed contact
-  if( getSamples()==1 ) {
+  if( getSamples()==HIGH ) {
     digitalWrite( outputLED, LOW );
   } else {
@@ -103 +107 @@
   }
 
-  if ( everySecond==1 ) {
-    everySecond = 0;
+  // Output of 
+  if ( everySecond==true ) {
+    everySecond = false;
 
     // Temperature
@@ -126 +131 @@
   }
    
-  delay(50);
+  delay(30);
 }