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Added Serial port check to all examples using Serial statements in the setup

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This commit is contained in:
Tom Igoe
2012-04-02 09:07:58 -04:00
parent e9a00eb38f
commit a631e4f834
32 changed files with 132 additions and 40 deletions
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5
libraries/SD/examples/ReadWrite/ReadWrite.ino
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@ -11,7 +11,7 @@
created Nov 2010
by David A. Mellis
updated 2 Dec 2010
modified 2 Apr 2012
by Tom Igoe
This example code is in the public domain.
@ -24,7 +24,10 @@ File myFile;
void setup()
{
// Open serial communications and wait for port to open:
Serial.begin(9600);
while(!Serial) ;
Serial.print("Initializing 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