132 lines
2.6 KiB
Text
132 lines
2.6 KiB
Text
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/*
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* HotHotHeat
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*
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* Compile with the Arduino IDE (http://arduino.cc); is deployed against a
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* Atmel Butterfly - so you also need the Butteruino project
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* (http://code.google.com/p/butteruino/)
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*
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* ...will
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* 1) Read the Butterfly temperature sensor and output
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* the result permanently to UART.
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*
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* 2) Read a reed sensor and output
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* the result permanently to UART
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*
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* Contact: Norbert Wigbels
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* (http://foobla.wigbels.de/uber-foobla/)
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*
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* Format: <# of Sensor> <data>
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* Example: 1 23.4 -- Temperature
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* 2 HIGH -- Reed count
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* 3 14 -- Total of Reed counts since start of programm
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*/
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#include <butterfly_temp.h>
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#include <pins_butterfly.h>
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#include <LCD_Driver.h>
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#include <timer2_RTC.h>
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int inputReed = PBPIN4;
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int outputLED = PBPIN7;
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int value = 0;
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int debounce = 0;
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int slewRate = LOW;
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int everySecond = 0;
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unsigned long gasReeds = 0;
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int temp = 0;
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void setup() {
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// Identify butterfly running program...
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LCD.prints_f( PSTR( "HOTHOTHEAT" ) );
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delay( 1400 );
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TempSense.overSample = true;
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pinMode( inputReed, INPUT );
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pinMode( outputLED, OUTPUT );
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digitalWrite( outputLED, HIGH );
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temp = TempSense.getTemp( CELSIUS );
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Serial.begin( 9600 );
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}
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void logOutput()
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{
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LCD.print( gasReeds );
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LCD.print( " G " );
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LCD.print( temp );
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LCD.println( " C" );
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// Temperature
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Serial.print( "1" );
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Serial.print( "\t" );
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Serial.println( temp );
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// Reed HIGH or Low
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Serial.print( "2" );
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Serial.print( "\t" );
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if( slewRate==1 ) {
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Serial.println( "HIGH" );
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} else {
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Serial.println( "LOW" );
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}
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// Total of Gas Reeds
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Serial.print( "3" );
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Serial.print( "\t" );
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Serial.println( gasReeds );
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}
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int getSamples() {
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// Sensor 1 - Temperature
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temp = TempSense.getTemp( CELSIUS );
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// switchtime of reed is 18 ms including debouncing...
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value = digitalRead( inputReed );
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delay( 20 );
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debounce = digitalRead( inputReed );
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// Sensor 2 - Reedcontact
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// ...we are just interested in falling levels
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// __|----|count_here__|----|_count_here__
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if ( value==debounce ) {
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if ( value==HIGH ) {
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slewRate=HIGH;
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return HIGH;
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}
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else {
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if( slewRate==HIGH ) {
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slewRate=LOW;
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gasReeds++;
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}
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return LOW;
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}
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}
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}
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void loop() {
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// LED marks Butterfly working; dark to mark a reed contact
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if( getSamples()==HIGH ) {
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digitalWrite( outputLED, LOW );
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} else {
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digitalWrite( outputLED, HIGH );
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}
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if ( everySecond > 20 ) {
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everySecond = 0;
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logOutput();
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} else {
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everySecond++;
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}
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delay( 30 );
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}
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