diff options
| author | Cristian Maglie <c.maglie@bug.st> | 2012-01-04 15:14:51 +0100 | 
|---|---|---|
| committer | Cristian Maglie <c.maglie@bug.st> | 2012-01-04 15:14:51 +0100 | 
| commit | 8c2b5b979a75d109ae7cc306afc50d7ffe1e0366 (patch) | |
| tree | 19ac8d91c7209397e7dc890b432a254ae9a7cd62 /libraries/SD/examples/listfiles/listfiles.ino | |
| parent | be52c95820400d48e47615232d3c38236166fad3 (diff) | |
Moved libraries folder inside platform folder. Now libraries and examples are searched per board/platform
Diffstat (limited to 'libraries/SD/examples/listfiles/listfiles.ino')
| -rw-r--r-- | libraries/SD/examples/listfiles/listfiles.ino | 77 | 
1 files changed, 77 insertions, 0 deletions
| diff --git a/libraries/SD/examples/listfiles/listfiles.ino b/libraries/SD/examples/listfiles/listfiles.ino new file mode 100644 index 0000000..b2435a2 --- /dev/null +++ b/libraries/SD/examples/listfiles/listfiles.ino @@ -0,0 +1,77 @@ +/* +  SD card basic file example +  + This example shows how to create and destroy an SD card file 	 + The circuit: + * SD card attached to SPI bus as follows: + ** MOSI - pin 11 + ** MISO - pin 12 + ** CLK - pin 13 + ** CS - pin 4 +  + created   Nov 2010 + by David A. Mellis + updated 2 Dec 2010 + by Tom Igoe +  + This example code is in the public domain. + 	  + */ +#include <SD.h> + +File root; + +void setup() +{ +  Serial.begin(9600); +  Serial.print("Initializing SD card..."); +  // On the Ethernet Shield, CS is pin 4. It's set as an output by default. +  // Note that even if it's not used as the CS pin, the hardware SS pin  +  // (10 on most Arduino boards, 53 on the Mega) must be left as an output  +  // or the SD library functions will not work.  +  pinMode(10, OUTPUT); + +  if (!SD.begin(10)) { +    Serial.println("initialization failed!"); +    return; +  } +  Serial.println("initialization done."); + +  root = SD.open("/"); +   +  printDirectory(root, 0); +   +  Serial.println("done!"); +} + +void loop() +{ +  // nothing happens after setup finishes. +} + +void printDirectory(File dir, int numTabs) { +   while(true) { +      +     File entry =  dir.openNextFile(); +     if (! entry) { +       // no more files +       //Serial.println("**nomorefiles**"); +       break; +     } +     for (uint8_t i=0; i<numTabs; i++) { +       Serial.print('\t'); +     } +     Serial.print(entry.name()); +     if (entry.isDirectory()) { +       Serial.println("/"); +       printDirectory(entry, numTabs+1); +     } else { +       // files have sizes, directories do not +       Serial.print("\t\t"); +       Serial.println(entry.size(), DEC); +     } +   } +} + + + | 
