First Commit

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

@@ -0,0 +1,51 @@
+/*
+ * Read the logfile created by the eventlog.ino example.
+ * Demo of pathnames and working directories
+ */
+#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);
+//------------------------------------------------------------------------------
+void setup() {
+  int c;
+  Serial.begin(9600);
+
+  // Wait for USB Serial
+  while (!Serial) {
+    yield();
+  }
+  // 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();
+  }
+
+  // set current working directory
+  if (!sd.chdir("logs/2014/Jan/")) {
+    sd.errorHalt("chdir failed. Did you run eventlog.ino?");
+  }
+  // open file in current working directory
+  ifstream file("logfile.txt");
+
+  if (!file.is_open()) {
+    sd.errorHalt("open failed");
+  }
+
+  // copy the file to Serial
+  while ((c = file.get()) >= 0) {
+    cout << (char)c;
+  }
+
+  cout << "Done" << endl;
+}
+//------------------------------------------------------------------------------
+void loop() {}