1 | #include "Arduino.h"
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2 | #include "Adafruit_GPS.h"
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3 | #include "SoftwareSerial.h"
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4 | #include "temperature.h"
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5 | #include "ph.h"
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6 | #include "SD.h"
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7 |
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8 | SoftwareSerial mySerial_gps(6, 5); //Simulierte Serielle
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9 |
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10 | Adafruit_GPS GPS(&mySerial_gps);
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11 |
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12 | // Set GPSECHO to 'false' to turn off echoing the GPS data to the Serial console
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13 | // Set to 'true' if you want to debug and listen to the raw GPS sentences.
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14 | #define GPSECHO false
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15 |
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16 | // this keeps track of whether we're using the interrupt
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17 | // off by default!
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18 | boolean usingInterrupt = false;
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19 | void useInterrupt(boolean); // Func prototype keeps Arduino 0023 happy
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20 |
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21 | float temp;
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22 |
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23 |
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24 | //SD
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25 | //=====================================================================================
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26 | #define ECHO_TO_SERIAL 1 // echo data to serial port
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27 | #define WAIT_TO_START 0 // Wait for serial input in setup()
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28 | #define redLEDpin 7
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29 | #define greenLEDpin 8
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30 | const int chipSelect = 10;
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31 | File logfile;
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32 | //=====================================================================================
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33 |
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34 | void error(char *str)
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35 | {
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36 | //Fehlertext-Ausgabe
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37 | Serial.print("Fehler: ");
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38 | Serial.println(str);
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39 | digitalWrite(redLEDpin, HIGH); //Rote LED leuchtet permanent
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40 | while(1); //bleibt hier hängen im Falle eines Fehlers
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41 | }
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42 |
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43 |
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44 | void setup()
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45 | {
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46 |
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47 | Serial.begin(115200);
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48 | Serial.println("GPS Ausgabe starten...");
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49 | pinMode(tempVcc, OUTPUT);
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50 | pinMode(redLEDpin, OUTPUT);
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51 | pinMode(greenLEDpin, OUTPUT);
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52 | // 9600 NMEA is the default baud rate for Adafruit MTK GPS's- some use 4800
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53 | GPS.begin(9600);
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54 |
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55 | GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA);
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56 |
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57 | // Set the update rate
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58 | GPS.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ); // 1 Hz update rate
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59 |
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60 | // Request updates on antenna status, comment out to keep quiet
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61 | // GPS.sendCommand(PGCMD_ANTENNA);
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62 |
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63 | useInterrupt(true); // Jede 1 millisekunden - GPS read
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64 |
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65 |
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66 | //SD
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67 | //=====================================================================================
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68 | //Check ob Speicherkarte vorhanden ist
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69 | if (!SD.begin(chipSelect)) {
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70 | error("Zugriff auf SD-Speicherkarte nicht moeglich");
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71 | }
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72 |
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73 | Serial.println("SD-Speicherkarte initialisiert.");
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74 |
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75 | //Logging-File erstellen
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76 | char filename[] = "LOGGER00.CSV";
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77 | for (uint8_t i = 0; i < 100; i++) {
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78 | filename[6] = i/10 + '0';
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79 | filename[7] = i%10 + '0';
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80 | if (! SD.exists(filename)) {
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81 | // only open a new file if it doesn't exist
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82 | logfile = SD.open(filename, FILE_WRITE);
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83 | break; // leave the loop!
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84 | }
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85 | }
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86 |
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87 | if (! logfile) {
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88 | error("Datei konnte nicht erstellt werden.");
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89 | }
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90 | //=====================================================================================
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91 |
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92 |
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93 | delay(1000);
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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 | // Interrupt is called once a millisecond, looks for any new GPS data, and stores it
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99 | SIGNAL(TIMER0_COMPA_vect) {
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100 | char c = GPS.read();
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101 | // if you want to debug, this is a good time to do it!
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102 | #ifdef UDR0
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103 | if (GPSECHO)
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104 | if (c) UDR0 = c;
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105 | // writing direct to UDR0 is much much faster than Serial.print
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106 | // but only one character can be written at a time.
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107 | #endif
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108 | }
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109 |
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110 | void useInterrupt(boolean v) {
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111 | if (v) {
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112 | // Timer0 is already used for millis() - we'll just interrupt somewhere
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113 | // in the middle and call the "Compare A" function above
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114 | OCR0A = 0xAF;
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115 | TIMSK0 |= _BV(OCIE0A);
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116 | usingInterrupt = true;
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117 | } else {
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118 | // do not call the interrupt function COMPA anymore
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119 | TIMSK0 &= ~_BV(OCIE0A);
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120 | usingInterrupt = false;
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121 | }
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122 | }
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123 |
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124 | uint32_t timer = millis();
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125 | void loop() // run over and over again
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126 | {
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127 | temp = read_temp();
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128 | ph = read_ph();
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129 |
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130 | // in case you are not using the interrupt above, you'll
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131 | // need to 'hand query' the GPS, not suggested :(
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132 | if (! usingInterrupt) {
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133 | // read data from the GPS in the 'main loop'
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134 | char c = GPS.read();
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135 | // if you want to debug, this is a good time to do it!
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136 | if (GPSECHO)
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137 | if (c) Serial.print(c);
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138 | }
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139 |
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140 |
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141 | // if a sentence is received, we can check the checksum, parse it...
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142 | if (GPS.newNMEAreceived()) {
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143 |
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144 | if (!GPS.parse(GPS.lastNMEA())) // this also sets the newNMEAreceived() flag to false
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145 | return; // we can fail to parse a sentence in which case we should just wait for another
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146 | }
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147 |
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148 | // if millis() or timer wraps around, we'll just reset it
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149 | if (timer > millis()) timer = millis();
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150 |
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151 | //approximately every 2 seconds or so, print out the current stats
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152 | if (millis() - timer > 2000) {
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153 | timer = millis(); // reset the timer
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154 | delay(1000);
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155 | Serial.print("\nZeit: ");
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156 | Serial.print(GPS.hour+1, DEC); Serial.print(':'); // +1 wegen GMT+1
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157 | Serial.print(GPS.minute, DEC); Serial.print(':');
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158 | Serial.print(GPS.seconds, DEC); Serial.print('.');
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159 | Serial.println(GPS.milliseconds);
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160 | Serial.print("Datum: ");
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161 | Serial.print(GPS.day, DEC); Serial.print('/');
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162 | Serial.print(GPS.month, DEC); Serial.print("/20");
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163 | Serial.println(GPS.year, DEC);
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164 | Serial.print("Fix: "); Serial.print((int)GPS.fix);
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165 | Serial.print(" Quali: "); Serial.println((int)GPS.fixquality);
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166 | Serial.println("Temperatur: ");
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167 | Serial.println(temp);
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168 | Serial.println("pH-Wert: ");
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169 | Serial.println(ph);
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170 | if (GPS.fix) {
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171 | Serial.print("Position: ");
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172 | Serial.print(GPS.latitude, 4); Serial.print(GPS.lat);
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173 | Serial.print(", ");
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174 | Serial.print(GPS.longitude, 4); Serial.println(GPS.lon);
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175 | Serial.print("Position (in degrees, works with Google Maps): ");
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176 | Serial.print(GPS.latitudeDegrees, 4);
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177 | Serial.print(", ");
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178 | Serial.println(GPS.longitudeDegrees, 4);
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179 |
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180 | Serial.print("Geschwindigkeit (Knoten): "); Serial.println(GPS.speed);
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181 | Serial.print("Angle: "); Serial.println(GPS.angle);
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182 | Serial.print("Altitude: "); Serial.println(GPS.altitude);
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183 | Serial.print("Satelliten: "); Serial.println((int)GPS.satellites);
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184 | }
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185 | }
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186 | }
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