arduino stuffs
Diffstat (limited to 'libraries/SD/examples/ReadWrite/ReadWrite.ino')
| -rw-r--r-- | libraries/SD/examples/ReadWrite/ReadWrite.ino | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/libraries/SD/examples/ReadWrite/ReadWrite.ino b/libraries/SD/examples/ReadWrite/ReadWrite.ino deleted file mode 100644 index d964668..0000000 --- a/libraries/SD/examples/ReadWrite/ReadWrite.ino +++ /dev/null @@ -1,79 +0,0 @@ -/* - SD card read/write - - This example shows how to read and write data to and from 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 (for MKRZero SD: SDCARD_SS_PIN) - - created Nov 2010 - by David A. Mellis - modified 9 Apr 2012 - by Tom Igoe - - This example code is in the public domain. - -*/ - -#include <SPI.h> -#include <SD.h> - -File myFile; - -void setup() { - // Open serial communications and wait for port to open: - Serial.begin(9600); - while (!Serial) { - ; // wait for serial port to connect. Needed for native USB port only - } - - - Serial.print("Initializing SD card..."); - - if (!SD.begin(4)) { - Serial.println("initialization failed!"); - while (1); - } - Serial.println("initialization done."); - - // open the file. note that only one file can be open at a time, - // so you have to close this one before opening another. - myFile = SD.open("test.txt", FILE_WRITE); - - // if the file opened okay, write to it: - if (myFile) { - Serial.print("Writing to test.txt..."); - myFile.println("testing 1, 2, 3."); - // close the file: - myFile.close(); - Serial.println("done."); - } else { - // if the file didn't open, print an error: - Serial.println("error opening test.txt"); - } - - // re-open the file for reading: - myFile = SD.open("test.txt"); - if (myFile) { - Serial.println("test.txt:"); - - // read from the file until there's nothing else in it: - while (myFile.available()) { - Serial.write(myFile.read()); - } - // close the file: - myFile.close(); - } else { - // if the file didn't open, print an error: - Serial.println("error opening test.txt"); - } -} - -void loop() { - // nothing happens after setup -} - - |