1 | #include <OneWire.h>
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2 | #include <DallasTemperature.h>
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3 | #include <SPI.h>
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4 | #include <SD.h>
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5 | File myFile;
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6 | #define ONE_WIRE_BUS 3
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7 | OneWire oneWire(ONE_WIRE_BUS);
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8 | DallasTemperature sensors(&oneWire);
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9 | #include <LiquidCrystal.h>
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10 | LiquidCrystal lcd(4, 5, 6, 7, 8, 9);
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11 | #define Pumpe_AN 0
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12 | #define Pumpe_LED 10
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13 | #define Einstellung 1
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14 |
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15 | /********************************************************************************/
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16 | //DeviceAdressen der einzelnen ds1820 Temperatursensoren angeben. (loop anpassen)
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17 | //DeviceAddress sensorA = { 0x28, 0xF8, 0x1F, 0xD0, 0x5, 0x0, 0x0, 0xEA };
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18 | //DeviceAddress sensorI = { 0x28, 0x6B, 0x8E, 0xCF, 0x5, 0x0, 0x0, 0xDA };
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19 | DeviceAddress sensorA = { 0x28, 0xFF, 0x1E, 0x35, 0xA4, 0x15, 0x01, 0x7A };
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20 | DeviceAddress sensorI = { 0x28, 0xFF, 0x6B, 0x29, 0xA4, 0x15, 0x03, 0x53 };
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21 |
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22 | // Solltemperatur
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23 | int MPumpeA = 0;
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24 | int Tempsoll = 30;
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25 | int Tempdif = 2;
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26 | int MTempdif = 0;
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27 | int resolution = 10; // DS18S20 only 9bit, other 9...12
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28 | float TempSensorA = 0.0; // Zwischenspeicher zum auslesen
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29 | float TempSensorI = 0.0; // Zwischenspeicher zum auslesen
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30 | int sensorPin = A0; // select the input pin for the potentiometer
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31 | int sensorValue = 0; // variable to store the value coming from the sensor
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32 | int sensorPin1 = A1; // select the input pin for the potentiometer
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33 | int sensorValue1 = 0; // variable to store the value coming from the sensor
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34 |
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35 | /********************************************************************************/
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36 | void setup()
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37 | {
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38 | lcd.begin(16,2);
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39 | lcd.clear();
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40 | pinMode(Pumpe_AN, OUTPUT);
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41 | pinMode(Pumpe_LED, OUTPUT);
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42 | pinMode(Einstellung, INPUT);
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43 | Serial.begin(9600);
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44 | sensors.begin();
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45 | delay(1000);
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46 | sensors.setResolution(sensorA, resolution);
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47 | sensors.setResolution(sensorI, resolution); //Bitbreite angeben 9
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48 | sensors.setWaitForConversion(false);
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49 |
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50 | Serial.print("SD Karte ");
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51 |
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52 | if (!SD.begin(53)) {
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53 | Serial.println("nicht gefunden!");
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54 | return;
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55 | }
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56 | Serial.println("korrekt angeschlossen");
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57 | myFile = SD.open("temper.txt", FILE_WRITE);
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58 | }
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59 | /********************************************************************************/
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60 | void loop()
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61 | {
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62 | sensors.requestTemperatures();
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63 | delay(1000);
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64 | TempSensorA = sensors.getTempC(sensorA);
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65 | TempSensorI = sensors.getTempC(sensorI);
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66 | MTempdif = TempSensorA - TempSensorI;
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67 |
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68 | Serial.print(F("SensorA: ")); Serial.println(TempSensorA);
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69 | Serial.print(F("SensorI: ")); Serial.println(TempSensorI);
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70 | Serial.print(F("Differenz: ")); Serial.println(MTempdif);
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71 |
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72 |
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73 |
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74 | if (digitalRead(Einstellung) == HIGH )
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75 | {
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76 | lcd.setCursor(0, 0);
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77 | lcd.print("Einstellung ");
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78 | lcd.setCursor(0, 1);
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79 | lcd.print("S:");
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80 | lcd.print(Tempsoll);
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81 | lcd.setCursor(8, 1);
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82 | lcd.print("D:");
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83 | lcd.print(Tempdif);
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84 |
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85 | sensorValue = analogRead(sensorPin);
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86 | Tempsoll = 30 + (sensorValue/102);
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87 | Serial.println(Tempsoll);
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88 | delay(100);
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89 | sensorValue1 = analogRead(sensorPin1);
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90 | Tempdif = 2 + (sensorValue1/341);
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91 | Serial.println(Tempdif);
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92 | delay(100);
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93 |
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94 |
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95 |
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96 |
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97 | }
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98 | else
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99 | {
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100 | lcd.setCursor(0, 0);
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101 | lcd.print("I:");
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102 | lcd.print(TempSensorI,2);
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103 | lcd.setCursor(8, 0);
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104 | lcd.print("A:");
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105 | lcd.print(TempSensorA,2);
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106 | lcd.setCursor(0, 1);
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107 | lcd.print("S:");
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108 | lcd.print(Tempsoll);
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109 | lcd.setCursor(8, 1);
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110 | lcd.print("D:");
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111 | lcd.print(Tempdif);
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112 | if (TempSensorI > Tempsoll)
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113 | {
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114 | if (MPumpeA == 1)
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115 | {
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116 | if (myFile) {
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117 | Serial.print("Writing to temper.txt...");
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118 | myFile.print(TempSensorI );
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119 | myFile.print(TempSensorA );
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120 | myFile.println("0");
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121 | // close the file:
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122 | myFile.close();
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123 | Serial.println("done.");
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124 | }
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125 | }
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126 |
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127 |
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128 | digitalWrite(Pumpe_AN, LOW);
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129 | digitalWrite(Pumpe_LED, LOW);
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130 | delay(120);
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131 | MPumpeA = 0;
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132 | }
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133 | else
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134 | {
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135 | if (MTempdif > Tempdif)
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136 | {
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137 | digitalWrite(Pumpe_AN, HIGH);
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138 | digitalWrite(Pumpe_LED, HIGH);
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139 | delay(120);
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140 | MPumpeA = 1;
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141 | if (MPumpeA == 1)
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142 | {
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143 | if (myFile) {
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144 | Serial.print("Writing to temper.txt...");
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145 | myFile.print(TempSensorI );
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146 | myFile.print(TempSensorA );
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147 | myFile.println("0");
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148 | // close the file:
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149 | myFile.close();
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150 | Serial.println("done.");
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151 | }
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152 | }
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153 | }
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154 | else
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155 | {
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156 | if (MPumpeA == 1)
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157 | {
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158 | if (myFile) {
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159 | Serial.print("Writing to temper.txt...");
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160 | myFile.print(TempSensorI );
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161 | myFile.print(TempSensorA );
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162 | myFile.println("0");
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163 | // close the file:
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164 | myFile.close();
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165 | Serial.println("done.");
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166 | }
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167 | }
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168 | digitalWrite(Pumpe_AN, LOW);
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169 | digitalWrite(Pumpe_LED, LOW);
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170 | delay(120);
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171 | MPumpeA = 0;
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172 | }
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173 | }
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174 | }
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175 | }
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