Desktop SD Card Scanner

1//BasementResearch (10/22/18)
2//With code from Arduino->Files->Examples->SD->listfiles
3
4#include  <LiquidCrystal.h>
5#include <SD.h>
6
7LiquidCrystal lcd(5,6,7,8,9,10);
8
9File  root;
10
11void clear(){
12  lcd.clear();
13  lcd.setCursor(0,0);
14}
15
16void  printDirectory(File dir, int numTabs) {
17   while(true) {
18     
19     File  entry =  dir.openNextFile();
20     if (! entry) {
21       // no more files
22       //Serial.println("**nomorefiles**");
23       break;
24     }/*
25     for  (uint8_t i=0; i<numTabs; i++) {
26       lcd.print(' ');
27     }*/
28     clear();
29     lcd.print(entry.name());
30     lcd.setCursor(0,1);
31     if (entry.isDirectory())  {
32       printDirectory(entry, numTabs+1);
33     } else {
34       // files  have sizes, directories do not
35       lcd.print("Size: ");
36       lcd.println(entry.size(),  DEC);
37       delay(700);
38       clear();
39     }
40     entry.close();
41   }
42   
43}
44
45void setup(){
46  lcd.begin(16,2);
47  
48  
49}
50
51void  loop(){
52  
53  lcd.setCursor(0,0);
54  lcd.print("Testing card,");
55  lcd.setCursor(0,1);
56  lcd.print("Please wait...");
57  delay(2000);
58  pinMode(10, OUTPUT);
59  clear();
60  int y = 1;
61  while(!SD.begin(4)){
62    lcd.print("No card  in drive...");
63    lcd.setCursor(0,1);
64    lcd.print("Insert card");
65    lcd.setCursor(0,0);
66  }clear();
67  lcd.print("Card in drive,");
68  lcd.setCursor(0,1);
69  lcd.print("Please wait...");
70  
71  delay(2000);
72  clear();
73  root  = SD.open("/");
74  delay(1000);
75  printDirectory(root, 0);
76  clear();
77   lcd.print("Please remove");
78   lcd.setCursor(0,1);
79   lcd.print("card  from drive.");
80   delay(5000);
81}