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-rw-r--r--libraries/SD/examples/CardInfo/CardInfo.ino8
1 files changed, 7 insertions, 1 deletions
diff --git a/libraries/SD/examples/CardInfo/CardInfo.ino b/libraries/SD/examples/CardInfo/CardInfo.ino
index fb2f6c3..0c2dfc5 100644
--- a/libraries/SD/examples/CardInfo/CardInfo.ino
+++ b/libraries/SD/examples/CardInfo/CardInfo.ino
@@ -16,7 +16,7 @@
created 28 Mar 2011
by Limor Fried
- modified 16 Mar 2011
+ modified 9 Apr 2012
by Tom Igoe
*/
// include the SD library:
@@ -35,7 +35,13 @@ const int chipSelect = 4;
void setup()
{
+ // Open serial communications and wait for port to open:
Serial.begin(9600);
+ while (!Serial) {
+ ; // wait for serial port to connect. Needed for Leonardo only
+ }
+
+
Serial.print("\nInitializing SD card...");
// On the Ethernet Shield, CS is pin 4. It's set as an output by default.
// Note that even if it's not used as the CS pin, the hardware SS pin