First Commit

libraries/SdFat/examples/examplesV1/#attic/eventlog/eventlog.ino

@@ -0,0 +1,62 @@
+/*
+ * Append a line to a file - demo of pathnames and streams
+ */
+#include <SPI.h>
+#include "SdFat.h"
+#include "sdios.h"
+// SD chip select pin
+const uint8_t chipSelect = SS;
+
+// file system object
+SdFat sd;
+
+// define a serial output stream
+ArduinoOutStream cout(Serial);
+//------------------------------------------------------------------------------
+/*
+ * Append a line to logfile.txt
+ */
+void logEvent(const char *msg) {
+  // create dir if needed
+  sd.mkdir("logs/2014/Jan");
+
+  // create or open a file for append
+  ofstream sdlog("logs/2014/Jan/logfile.txt", ios::out | ios::app);
+
+  // append a line to the file
+  sdlog << msg << endl;
+
+  // check for errors
+  if (!sdlog) {
+    sd.errorHalt("append failed");
+  }
+
+  sdlog.close();
+}
+//------------------------------------------------------------------------------
+void setup() {
+  Serial.begin(9600);
+  // Wait for USB Serial
+  while (!Serial) {
+    yield();
+  }
+  // F() stores strings in flash to save RAM
+  cout << F("Type any character to start\n");
+  while (!Serial.available()) {
+    yield();
+  }
+  delay(400);  // catch Due reset problem
+
+  // Initialize at the highest speed supported by the board that is
+  // not over 50 MHz. Try a lower speed if SPI errors occur.
+  if (!sd.begin(chipSelect, SD_SCK_MHZ(50))) {
+    sd.initErrorHalt();
+  }
+
+  // append a line to the logfile
+  logEvent("Another line for the logfile");
+
+  cout << F("Done - check /logs/2014/Jan/logfile.txt on the SD") << endl;
+}
+//------------------------------------------------------------------------------
+void loop() {}