1 | #include "FS.h"
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2 | #include "SD.h"
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3 | #include "SPI.h"
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4 |
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5 | float Temperature;
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6 | float Humidity;
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7 | String formattedDate;
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8 | String dayStamp;
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9 | String timeStamp;
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10 | String dataMessage;
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11 |
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12 | unsigned int count = 0;
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13 | #define SD_CS 33
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14 |
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15 | void setup() {
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16 | Serial.begin(115200);
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17 |
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18 | pinMode(13, INPUT_PULLUP); //manuell switch
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19 |
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20 | SD.begin(SD_CS);
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21 |
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22 | uint8_t cardType = SD.cardType();
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23 |
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24 | File file = SD.open("/data.csv");
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25 | if(!file) {
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26 | writeFile(SD, "/data.csv", "Date; Time; Temperature; Humidity \r\n");
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27 | }
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28 | file.close();
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29 | }
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30 |
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31 | void loop() {
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32 | if(digitalRead(13) == HIGH){
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33 | count = count + 1;
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34 | Humidity = 44.2;
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35 | Temperature = 24.2;
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36 | logSDCard();
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37 | }
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38 | }
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39 |
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40 |
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41 | void logSDCard() {
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42 | dataMessage = String(count) + ";" + String(Temperature) + ";" + String(Humidity);
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43 | for(int i=0;i <= 20; i++){
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44 | dataMessage = dataMessage + ";" + String(Temperature) + ";" + String(Humidity);
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45 | dataMessage = dataMessage + ";" + String(Temperature) + ";" + String(Humidity);
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46 | dataMessage = dataMessage + ";" + String(Temperature) + ";" + String(Humidity);
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47 | dataMessage = dataMessage + ";" + String(Temperature) + ";" + String(Humidity);
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48 | dataMessage = dataMessage + ";" + String(Temperature) + ";" + String(Humidity);
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49 | dataMessage = dataMessage + ";" + String(Temperature) + ";" + String(Humidity);
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50 | dataMessage = dataMessage + ";" + String(Temperature) + ";" + String(Humidity);
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51 | dataMessage = dataMessage + ";" + String(Temperature) + ";" + String(Humidity);
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52 | dataMessage = dataMessage + ";" + String(Temperature) + ";" + String(Humidity);
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53 | dataMessage = dataMessage + ";" + String(Temperature) + ";" + String(Humidity);
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54 | dataMessage = dataMessage + ";" + String(Temperature) + ";" + String(Humidity);
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55 | dataMessage = dataMessage + ";" + String(Temperature) + ";" + String(Humidity)
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56 | dataMessage = dataMessage + ";" + String(Temperature) + ";" + String(Humidity) + "\r\n";
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57 | }
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58 | Serial.print("Save data: ");
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59 | Serial.println(dataMessage);
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60 | appendFile(SD, "/data.csv", dataMessage.c_str());
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61 | }
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62 |
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63 | // Write to the SD card (DON'T MODIFY THIS FUNCTION)
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64 | void writeFile(fs::FS &fs, const char * path, const char * message) {
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65 | Serial.printf("Writing file: %s\n", path);
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66 | File file = fs.open(path, FILE_WRITE);
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67 | if(!file) {
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68 | Serial.println("Failed to open file for writing");
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69 | return;
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70 | }
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71 | if(file.print(message)) {
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72 | Serial.println("File written");
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73 | } else {
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74 | Serial.println("Write failed");
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75 | }
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76 | file.close();
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77 | }
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78 | // Append data to the SD card (DON'T MODIFY THIS FUNCTION)
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79 | void appendFile(fs::FS &fs, const char * path, const char * message) {
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80 | Serial.printf("Appending to file: %s\n", path);
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81 | File file = fs.open(path, FILE_APPEND);
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82 | if(!file) {
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83 | Serial.println("Failed to open file for appending");
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84 | return;
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85 | }
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86 | if(file.print(message)) {
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87 | Serial.println("Message appended");
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88 | } else {
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89 | Serial.println("Append failed");
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90 | }
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91 | file.close();
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92 | }
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