Make your own SD shield

1// include the SD library:
2#include <SPI.h>
3#include <SD.h>
4
5//  Enable button at pin 6
6const int Enable  = 6;
7int Data_Counter = 0;
8
9//  Input buttons at pin 5, 4, 3
10const int Input_1 = 5;
11const int Input_2 = 4;
12const  int Input_3 = 3;
13
14// set up variables using the SD utility library functions:
15Sd2Card  card;
16SdVolume volume;
17SdFile root;
18
19const int chipSelect = 10;
20
21//  Create a file to store the data
22File myFile;
23
24void setup() {
25  // Open  serial communications and wait for port to open:
26  Serial.begin(9600);
27  while  (!Serial) {
28    ; // wait for serial port to connect. Needed for native USB port  only
29  }
30
31  // Initialize inputs
32  pinMode(Enable, INPUT);
33  pinMode(Input_1,  INPUT);
34  pinMode(Input_2, INPUT);
35  pinMode(Input_3, INPUT);
36
37  //  setup for the SD card
38  Serial.println("Initializing SD card...");
39 
40  if(!SD.begin(chipSelect)) {
41    Serial.println("initialization failed!");
42    return;
43  }
44  Serial.println("initialization done.");
45  Serial.println();
46
47  //open file
48  myFile = SD.open("DATA.csv", FILE_WRITE);
49
50  // if the  file opened ok, write to it:
51  if (myFile) {
52    Serial.println("File opened  ok");
53    Serial.println("Waiting for inputs");
54    Serial.println();
55    // print the headings for our data
56    myFile.println("Entry,Input_1,Input_2,Input_3");
57  }
58  myFile.close();
59}
60
61void loop(void) {
62  if (digitalRead(Enable)  == 1) {
63    // Write to terminal for debugging
64    Serial.print("Reading  data entry ");
65    Serial.print(Data_Counter); // The first is 0
66    Serial.println(":");
67    Serial.print("Input_1 = ");
68    Serial.println(digitalRead(Input_1));
69    Serial.print("Input_2 = ");
70    Serial.println(digitalRead(Input_2));
71    Serial.print("Input_3 = ");
72    Serial.println(digitalRead(Input_3));
73    Serial.println(" ");
74    // Write to SD card
75    myFile = SD.open("DATA.csv",  FILE_WRITE);
76    if (myFile) {
77      myFile.print(Data_Counter);
78      myFile.print(",");
79      myFile.print(digitalRead(Input_1));
80      myFile.print(",");
81      myFile.print(digitalRead(Input_2));
82      myFile.print(",");
83      myFile.print(digitalRead(Input_3));
84      myFile.println(",");
85    }
86    myFile.close();
87    Serial.println("Data written to SD");
88    Serial.println();
89    Data_Counter++;
90    delay(5000); // 5000 = 5 seconds
91  }
92}

1// include the SD library:
2#include <SPI.h>
3#include <SD.h>
4
5//
6  Enable button at pin 6
7const int Enable  = 6;
8int Data_Counter = 0;
9
10//
11  Input buttons at pin 5, 4, 3
12const int Input_1 = 5;
13const int Input_2 = 4;
14const
15  int Input_3 = 3;
16
17// set up variables using the SD utility library functions:
18Sd2Card
19  card;
20SdVolume volume;
21SdFile root;
22
23const int chipSelect = 10;
24
25//
26  Create a file to store the data
27File myFile;
28
29void setup() {
30  // Open
31  serial communications and wait for port to open:
32  Serial.begin(9600);
33  while
34  (!Serial) {
35    ; // wait for serial port to connect. Needed for native USB port
36  only
37  }
38
39  // Initialize inputs
40  pinMode(Enable, INPUT);
41  pinMode(Input_1,
42  INPUT);
43  pinMode(Input_2, INPUT);
44  pinMode(Input_3, INPUT);
45
46  //
47  setup for the SD card
48  Serial.println("Initializing SD card...");
49 
50
51  if(!SD.begin(chipSelect)) {
52    Serial.println("initialization failed!");
53
54    return;
55  }
56  Serial.println("initialization done.");
57  Serial.println();
58
59
60  //open file
61  myFile = SD.open("DATA.csv", FILE_WRITE);
62
63  // if the
64  file opened ok, write to it:
65  if (myFile) {
66    Serial.println("File opened
67  ok");
68    Serial.println("Waiting for inputs");
69    Serial.println();
70
71    // print the headings for our data
72    myFile.println("Entry,Input_1,Input_2,Input_3");
73
74  }
75  myFile.close();
76}
77
78void loop(void) {
79  if (digitalRead(Enable)
80  == 1) {
81    // Write to terminal for debugging
82    Serial.print("Reading
83  data entry ");
84    Serial.print(Data_Counter); // The first is 0
85    Serial.println(":");
86
87    Serial.print("Input_1 = ");
88    Serial.println(digitalRead(Input_1));
89
90    Serial.print("Input_2 = ");
91    Serial.println(digitalRead(Input_2));
92
93    Serial.print("Input_3 = ");
94    Serial.println(digitalRead(Input_3));
95
96    Serial.println(" ");
97    // Write to SD card
98    myFile = SD.open("DATA.csv",
99  FILE_WRITE);
100    if (myFile) {
101      myFile.print(Data_Counter);
102      myFile.print(",");
103
104      myFile.print(digitalRead(Input_1));
105      myFile.print(",");
106      myFile.print(digitalRead(Input_2));
107
108      myFile.print(",");
109      myFile.print(digitalRead(Input_3));
110      myFile.println(",");
111
112    }
113    myFile.close();
114    Serial.println("Data written to SD");
115
116    Serial.println();
117    Data_Counter++;
118    delay(5000); // 5000 = 5 seconds
119
120  }
121}