1 | /* |
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2 | * HotHotHeat |
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3 | * |
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4 | * Compile with the Arduino IDE (http://arduino.cc); is deployed against a |
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5 | * Atmel Butterfly - so you also need the Butteruino project |
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6 | * (http://code.google.com/p/butteruino/) |
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7 | * |
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8 | * ...will |
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9 | * 1) Read the Butterfly temperature sensor and output |
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10 | * the result permanently to UART. |
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11 | * |
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12 | * 2) Read a reed sensor and output |
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13 | * the result permanently to UART |
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14 | * |
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15 | * Contact: Norbert Wigbels |
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16 | * (http://foobla.wigbels.de/uber-foobla/) |
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17 | * |
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18 | * Format: <# of Sensor> <data> |
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19 | * Example: 1 23.4 -- Temperature |
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20 | * 2 HIGH -- Reed count |
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21 | * 3 14 -- Total of Reed counts since start of programm |
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22 | */ |
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23 | |
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24 | #include <butterfly_temp.h> |
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25 | #include <pins_butterfly.h> |
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26 | |
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27 | #include <LCD_Driver.h> |
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28 | #include <timer2_RTC.h> |
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29 | |
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30 | |
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31 | int inputReed = PBPIN4; |
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32 | int outputLED = PBPIN7; |
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33 | |
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34 | int value = 0; |
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35 | int debounce = 0; |
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36 | int slewRate = LOW; |
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37 | int everySecond = 0; |
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38 | |
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39 | unsigned long gasReeds = 0; |
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40 | int temp = 0; |
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41 | |
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42 | |
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43 | void setup() { |
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44 | // Identify butterfly running program... |
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45 | LCD.prints_f( PSTR( "HOTHOTHEAT" ) ); |
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46 | delay( 1400 ); |
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47 | |
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48 | TempSense.overSample = true; |
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49 | pinMode( inputReed, INPUT ); |
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50 | pinMode( outputLED, OUTPUT ); |
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51 | |
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52 | digitalWrite( outputLED, HIGH ); |
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53 | temp = TempSense.getTemp( CELSIUS ); |
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54 | |
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55 | Serial.begin( 9600 ); |
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56 | } |
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57 | |
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58 | |
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59 | void logOutput() |
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60 | { |
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61 | LCD.print( gasReeds ); |
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62 | LCD.print( " G " ); |
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63 | LCD.print( temp ); |
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64 | LCD.println( " C" ); |
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65 | |
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66 | // Temperature |
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67 | Serial.print( "1" ); |
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68 | Serial.print( "\t" ); |
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69 | Serial.println( temp ); |
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70 | |
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71 | // Reed HIGH or Low |
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72 | Serial.print( "2" ); |
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73 | Serial.print( "\t" ); |
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74 | if( slewRate==1 ) { |
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75 | Serial.println( "HIGH" ); |
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76 | } else { |
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77 | Serial.println( "LOW" ); |
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78 | } |
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79 | |
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80 | // Total of Gas Reeds |
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81 | Serial.print( "3" ); |
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82 | Serial.print( "\t" ); |
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83 | Serial.println( gasReeds ); |
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84 | } |
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85 | |
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86 | |
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87 | int getSamples() { |
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88 | // Sensor 1 - Temperature |
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89 | temp = TempSense.getTemp( CELSIUS ); |
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90 | |
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91 | // switchtime of reed is 18 ms including debouncing... |
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92 | value = digitalRead( inputReed ); |
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93 | delay( 20 ); |
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94 | debounce = digitalRead( inputReed ); |
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95 | |
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96 | // Sensor 2 - Reedcontact |
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97 | // ...we are just interested in falling levels |
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98 | // __|----|count_here__|----|_count_here__ |
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99 | if ( value==debounce ) { |
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100 | if ( value==HIGH ) { |
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101 | slewRate=HIGH; |
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102 | return HIGH; |
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103 | } |
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104 | else { |
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105 | if( slewRate==HIGH ) { |
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106 | slewRate=LOW; |
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107 | gasReeds++; |
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108 | } |
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109 | return LOW; |
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110 | } |
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111 | } |
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112 | } |
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113 | |
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114 | |
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115 | void loop() { |
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116 | // LED marks Butterfly working; dark to mark a reed contact |
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117 | if( getSamples()==HIGH ) { |
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118 | digitalWrite( outputLED, LOW ); |
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119 | } else { |
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120 | digitalWrite( outputLED, HIGH ); |
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121 | } |
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122 | |
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123 | if ( everySecond > 20 ) { |
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124 | everySecond = 0; |
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125 | logOutput(); |
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126 | } else { |
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127 | everySecond++; |
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128 | } |
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129 | |
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130 | delay( 30 ); |
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131 | } |
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