bendns' repos / ArduinoStuff
arduino stuffs
Diffstat (limited to 'libraries/SD/examples/Files/Files.ino')
-rw-r--r--libraries/SD/examples/Files/Files.ino75
1 files changed, 75 insertions, 0 deletions
diff --git a/libraries/SD/examples/Files/Files.ino b/libraries/SD/examples/Files/Files.ino
new file mode 100644
index 0000000..cabebba
--- /dev/null
+++ b/libraries/SD/examples/Files/Files.ino
@@ -0,0 +1,75 @@
+/*
+ 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 (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.");
+
+ if (SD.exists("example.txt")) {
+ Serial.println("example.txt exists.");
+ } else {
+ Serial.println("example.txt doesn't exist.");
+ }
+
+ // open a new file and immediately close it:
+ Serial.println("Creating example.txt...");
+ myFile = SD.open("example.txt", FILE_WRITE);
+ myFile.close();
+
+ // Check to see if the file exists:
+ if (SD.exists("example.txt")) {
+ Serial.println("example.txt exists.");
+ } else {
+ Serial.println("example.txt doesn't exist.");
+ }
+
+ // delete the file:
+ Serial.println("Removing example.txt...");
+ SD.remove("example.txt");
+
+ if (SD.exists("example.txt")) {
+ Serial.println("example.txt exists.");
+ } else {
+ Serial.println("example.txt doesn't exist.");
+ }
+}
+
+void loop() {
+ // nothing happens after setup finishes.
+}
+
+
+