Updated all serial in setup examples with a note about the serial check

Author: Tom Igoe

build/shared/examples/04.Communication/ASCIITable/ASCIITable.ino

@@ -22,6 +22,7 @@
 void setup() { 
  //Initialize serial and wait for port to open:
   Serial.begin(9600); 
+  // this check is only needed on the Leonardo:
   while (!Serial) ;
 
   // prints title with ending line break 

build/shared/examples/04.Communication/SerialCallResponseASCII/SerialCallResponseASCII.ino

@@ -37,7 +37,9 @@ void setup()
 {
   // start serial port at 9600 bps and wait for port to open:
   Serial.begin(9600);
+  // this check is only needed on the Leonardo:
   while (!Serial) ;
+ ;
 
   pinMode(2, INPUT);   // digital sensor is on digital pin 2
   establishContact();  // send a byte to establish contact until receiver responds 

build/shared/examples/08.Strings/CharacterAnalysis/CharacterAnalysis.ino

@@ -14,7 +14,9 @@
 void setup() {
   // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   // send an intro:
   Serial.println("send any byte and I'll tell you everything I can about it");

build/shared/examples/08.Strings/StringAdditionOperator/StringAdditionOperator.ino

@@ -19,7 +19,9 @@ String stringOne, stringTwo, stringThree;
 void setup() {
   // initialize serial and wait for port to open:
   Serial.begin(9600);
+  // this check is only needed on the Leonardo:
   while (!Serial) ;
+ ;
 
   stringOne = String("stringThree = ");
   stringTwo = String("this string");

build/shared/examples/08.Strings/StringAppendOperator/StringAppendOperator.ino

@@ -16,7 +16,9 @@ String stringOne, stringTwo;
 void setup() {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   stringOne = String("Sensor ");
   stringTwo = String("value");

build/shared/examples/08.Strings/StringCaseChanges/StringCaseChanges.ino

@@ -15,7 +15,9 @@
 void setup() {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   Serial.println("\n\nString  case changes:");
 }

build/shared/examples/08.Strings/StringCharacters/StringCharacters.ino

@@ -15,7 +15,9 @@
 void setup() {
   // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   Serial.println("\n\nString  charAt() and setCharAt():");
 }

build/shared/examples/08.Strings/StringComparisonOperators/StringComparisonOperators.ino

@@ -17,7 +17,9 @@ String stringOne, stringTwo;
 void setup() {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   stringOne = String("this");
   stringTwo = String("that");

build/shared/examples/08.Strings/StringIndexOf/StringIndexOf.ino

@@ -15,7 +15,9 @@
 void setup() {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   Serial.println("\n\nString indexOf() and lastIndexOf()  functions:");
 

build/shared/examples/08.Strings/StringLengthTrim/StringLengthTrim.ino

@@ -15,7 +15,9 @@
 void setup() {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   Serial.println("\n\nString  length() and trim():");
 }

build/shared/examples/08.Strings/StringReplace/StringReplace.ino

@@ -15,7 +15,9 @@
 void setup() {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   Serial.println("\n\nString  replace:");
 }

build/shared/examples/08.Strings/StringStartsWithEndsWith/StringStartsWithEndsWith.ino

@@ -15,7 +15,9 @@
 void setup() {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   Serial.println("\n\nString startsWith() and endsWith():");
 

build/shared/examples/08.Strings/StringSubstring/StringSubstring.ino

@@ -15,7 +15,9 @@
 void setup() {
   Serial.begin(9600);
   // Wait for port to be opened:
+  // this check is only needed on the Leonardo:
   while (!Serial) ;
+ ;
 
   Serial.println("\n\nString  substring():");
 }

libraries/Ethernet/examples/ChatServer/ChatServer.ino

@@ -41,7 +41,9 @@ void setup() {
   server.begin();
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   Serial.print("Chat server address:");
   Serial.println(Ethernet.localIP());

libraries/Ethernet/examples/DhcpAddressPrinter/DhcpAddressPrinter.ino

@@ -30,7 +30,9 @@ EthernetClient client;
 void setup() {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   // start the Ethernet connection:
   if (Ethernet.begin(mac) == 0) {

libraries/Ethernet/examples/DhcpChatServer/DhcpChatServer.ino

@@ -37,7 +37,9 @@ boolean gotAMessage = false; // whether or not you got a message from the client
 void setup() {
   // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   // start the Ethernet connection:
   Serial.println("Trying to get an IP address using DHCP");

libraries/Ethernet/examples/DnsWebClient/DnsWebClient.ino

@@ -30,7 +30,9 @@ EthernetClient client;
 void setup() {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   // start the Ethernet connection:
   if (Ethernet.begin(mac) == 0) {

libraries/Ethernet/examples/PachubeClient/PachubeClient.ino

@@ -55,7 +55,9 @@ const unsigned long postingInterval = 10*1000; //delay between updates to Pachub
 void setup() {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
  // start the Ethernet connection:
   if (Ethernet.begin(mac) == 0) {

libraries/Ethernet/examples/PachubeClientString/PachubeClientString.ino

@@ -57,7 +57,9 @@ const unsigned long postingInterval = 10*1000;  //delay between updates to Pachu
 void setup() {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   // give the ethernet module time to boot up:
   delay(1000);

libraries/Ethernet/examples/TelnetClient/TelnetClient.ino

@@ -41,7 +41,9 @@ void setup() {
   Ethernet.begin(mac, ip);
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   // give the Ethernet shield a second to initialize:
   delay(1000);

libraries/Ethernet/examples/TwitterClient/TwitterClient.ino

@@ -54,7 +54,9 @@ void setup() {
 
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   // attempt a DHCP connection:
   Serial.println("Attempting to get an IP address using DHCP:");

libraries/Ethernet/examples/UdpNtpClient/UdpNtpClient.ino

@@ -40,7 +40,9 @@ void setup()
 {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   // start Ethernet and UDP
   if (Ethernet.begin(mac) == 0) {

libraries/Ethernet/examples/WebClient/WebClient.ino

@@ -29,7 +29,9 @@ EthernetClient client;
 void setup() {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   // start the Ethernet connection:
   if (Ethernet.begin(mac) == 0) {

libraries/Ethernet/examples/WebServer/WebServer.ino

@@ -32,7 +32,9 @@ EthernetServer server(80);
 void setup() {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   // start the Ethernet connection and the server:
   Ethernet.begin(mac, ip);

libraries/SD/examples/CardInfo/CardInfo.ino

@@ -37,7 +37,9 @@ void setup()
 {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   Serial.print("\nInitializing SD card...");
   // On the Ethernet Shield, CS is pin 4. It's set as an output by default.

libraries/SD/examples/Datalogger/Datalogger.ino

@@ -32,7 +32,9 @@ void setup()
 {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   Serial.print("Initializing SD card...");
   // make sure that the default chip select pin is set to

libraries/SD/examples/DumpFile/DumpFile.ino

@@ -32,7 +32,9 @@ void setup()
 {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   Serial.print("Initializing SD card...");
   // make sure that the default chip select pin is set to

libraries/SD/examples/Files/Files.ino

@@ -25,7 +25,9 @@ void setup()
 {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   Serial.print("Initializing SD card...");
   // On the Ethernet Shield, CS is pin 4. It's set as an output by default.

libraries/SD/examples/ReadWrite/ReadWrite.ino

@@ -26,7 +26,9 @@ void setup()
 {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   Serial.print("Initializing SD card...");
   // On the Ethernet Shield, CS is pin 4. It's set as an output by default.

libraries/SD/examples/listfiles/listfiles.ino

@@ -25,7 +25,9 @@ void setup()
 {
   // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   Serial.print("Initializing SD card...");
   // On the Ethernet Shield, CS is pin 4. It's set as an output by default.

libraries/SoftwareSerial/examples/SoftwareSerialExample/SoftwareSerialExample.ino

@@ -24,7 +24,9 @@ void setup()
 {
  // Open serial communications and wait for port to open:
   Serial.begin57600;
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   Serial.println("Goodnight moon!");
 

libraries/SoftwareSerial/examples/TwoPortReceive/TwoPortReceive.ino

@@ -36,7 +36,9 @@ void setup()
 {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   // Start each software serial port
   portOne.begin(9600);