First Commit

libraries/SdFat/examples/examplesV1/formatting/formatting.ino

@@ -0,0 +1,73 @@
+/*
+ * Print a table with various formatting options
+ * Format dates
+ */
+#include <SPI.h>
+#include "SdFat.h"
+#include "sdios.h"
+
+// create Serial stream
+ArduinoOutStream cout(Serial);
+//------------------------------------------------------------------------------
+// print a table to demonstrate format manipulators
+void example(void) {
+  const int max = 10;
+  const int width = 4;
+
+  for (int row = 1; row <= max; row++) {
+    for (int col = 1; col <= max; col++) {
+      cout << setw(width) << row * col << (col == max ? '\n' : ' ');
+    }
+  }
+  cout << endl;
+}
+//------------------------------------------------------------------------------
+// print a date as mm/dd/yyyy with zero fill in mm and dd
+// shows how to set and restore the fill character
+void showDate(int m, int d, int y) {
+  // convert two digit year
+  if (y < 100) {
+    y += 2000;
+  }
+
+  // set new fill to '0' save old fill character
+  char old = cout.fill('0');
+
+  // print date
+  cout << setw(2) << m << '/' << setw(2) << d << '/' << y << endl;
+
+  // restore old fill character
+  cout.fill(old);
+}
+//------------------------------------------------------------------------------
+void setup(void) {
+  Serial.begin(9600);
+
+  // Wait for USB Serial
+  while (!Serial) {
+    yield();
+  }
+  delay(2000);
+
+  cout << endl << "default formatting" << endl;
+  example();
+
+  cout << showpos << "showpos" << endl;
+  example();
+
+  cout << hex << left << showbase << "hex left showbase" << endl;
+  example();
+
+  cout << internal << setfill('0') << uppercase;
+  cout << "uppercase hex internal showbase fill('0')" <<endl;
+  example();
+
+  // restore default format flags and fill character
+  cout.flags(ios::dec | ios::right | ios::skipws);
+  cout.fill(' ');
+
+  cout << "showDate example" <<endl;
+  showDate(7, 4, 11);
+  showDate(12, 25, 11);
+}
+void loop(void) {}