Remove isConnected() usage from examples

STM32F1/libraries/A_STM32_Examples/examples/General/BlinkNcount/BlinkNcount.ino

@@ -15,7 +15,7 @@ void setup() {
   // Initialize virtual COM over USB on Maple Mini
   Serial.begin(9600);  // BAUD has no effect on USB serial: placeholder for physical UART
   // wait for serial monitor to be connected.
-  while (!(Serial.isConnected() && (Serial.getDTR() || Serial.getRTS())))
+  while (!Serial)
   {
     digitalWrite(33,!digitalRead(33));// Turn the LED from off to on, or on to off
     delay(100);         // fast blink

STM32F1/libraries/A_STM32_Examples/examples/General/IntegerInput/IntegerInput.ino

@@ -18,7 +18,7 @@ void setup()
   Serial.begin(BAUD);  // BAUD has no effect on USB serial: placeholder for physical UART
   Serial.setTimeout(timeoutPeriod); // default is 1 second
   // wait for serial monitor to be connected.
-  while (!(Serial.isConnected() && (Serial.getDTR() || Serial.getRTS())))
+  while (!Serial)
   {
     digitalWrite(33,!digitalRead(33));// Turn the LED from off to on, or on to off
     delay(100);         // fast blink

STM32F1/libraries/A_STM32_Examples/examples/General/IntegerInput_FloatOutput/IntegerInput_FloatOutput.ino

@@ -19,7 +19,7 @@ void setup()
   Serial.begin(BAUD);  // BAUD has no effect on USB serial: placeholder for physical UART
   Serial.setTimeout(timeoutPeriod); // default is 1 second
   // wait for serial monitor to be connected.
-  while (!(Serial.isConnected() && (Serial.getDTR() || Serial.getRTS())))
+  while (!Serial)
   {
     digitalWrite(33,!digitalRead(33));// Turn the LED from off to on, or on to off
     delay(100);         // fast blink

STM32F1/libraries/A_STM32_Examples/examples/General/InternalTempSensor/InternalTempSensor.ino

@@ -38,7 +38,7 @@ void setup(void)
   pinMode(A_RANDOM_ANALOG_PIN, INPUT_ANALOG);
 
 // wait for serial monitor to be connected.
-  while (!(Serial.isConnected() && (Serial.getDTR() || Serial.getRTS())))
+  while (!Serial)
   {
     digitalWrite(33,!digitalRead(33));// Turn the LED from off to on, or on to off
     delay(100);         // fast blink
@@ -48,7 +48,7 @@ void setup(void)
   setup_temperature_sensor();
   
 // announce start up
-  if(Serial.isConnected() && (Serial.getDTR() || Serial.getRTS()))
+  if(Serial)
     Serial.println("Temp mon startup");
 }
 
@@ -69,7 +69,7 @@ void loop(void)
   t2 = micros();
   vsense = adc_read(ADC1, 16);
   t3 = micros();
-  if(Serial.isConnected() && (Serial.getDTR() || Serial.getRTS())) {
+  if(Serial) {
     sprintf(buf,"%04x %08x  %04x %08x" , vsense, t3-t2, alogpin, t2-t1);
     Serial.println(buf);
   }

STM32F1/libraries/A_STM32_Examples/examples/General/PrimeNos/PrimeNos.ino

@@ -29,7 +29,7 @@ void setup()
   pinMode(33, OUTPUT);
   Serial.begin(BAUD);  // BAUD has no effect on USB serial: placeholder for physical UART
   // wait for serial monitor to be connected.
-  while (!(Serial.isConnected() && (Serial.getDTR() || Serial.getRTS())))
+  while (!Serial)
   {
     digitalWrite(33,!digitalRead(33));// Turn the LED from off to on, or on to off
     delay(100);         // fast blink

STM32F1/libraries/A_STM32_Examples/examples/General/PrimeNos2/PrimeNos2.ino

@@ -18,7 +18,7 @@ void setup() {
   pinMode(33, OUTPUT);
   Serial.begin(BAUD);  // BAUD has no effect on USB serial: placeholder for physical UART
   // wait for serial monitor to be connected.
-  while (!(Serial.isConnected() && (Serial.getDTR() || Serial.getRTS())))
+  while (!Serial)
   {
     digitalWrite(33,!digitalRead(33));// Turn the LED from off to on, or on to off
     delay(100);         // fast blink

STM32F1/libraries/A_STM32_Examples/examples/General/PrimeNos3/PrimeNos3.ino

@@ -18,7 +18,7 @@ void setup() {
   pinMode(33, OUTPUT);
   Serial.begin(BAUD);  // BAUD has no effect on USB serial: placeholder for physical UART
   // wait for serial monitor to be connected.
-  while (!(Serial.isConnected() && (Serial.getDTR() || Serial.getRTS())))
+  while (!Serial)
   {
     digitalWrite(33,!digitalRead(33));// Turn the LED from off to on, or on to off
     delay(100);         // fast blink

STM32F1/libraries/A_STM32_Examples/examples/General/Print_Binary/Print_Binary.ino

@@ -15,7 +15,7 @@ void setup()
   pinMode(33, OUTPUT);
   Serial.begin(BAUD);  // BAUD has no effect on USB serial: placeholder for physical UART
   // wait for serial monitor to be connected.
-  while (!(Serial.isConnected() && (Serial.getDTR() || Serial.getRTS())))
+  while (!Serial)
   {
     digitalWrite(33,!digitalRead(33));// Turn the LED from off to on, or on to off
     delay(100);         // fast blink

STM32F1/libraries/A_STM32_Examples/examples/General/Print_Float/Print_Float.ino

@@ -17,7 +17,7 @@ void setup()                    // run once, when the sketch starts
   pinMode(33, OUTPUT);
   Serial.begin(BAUD);  // BAUD has no effect on USB serial: placeholder for physical UART
   // wait for serial monitor to be connected.
-  while (!(Serial.isConnected() && (Serial.getDTR() || Serial.getRTS())))
+  while (!Serial)
   {
     digitalWrite(33,!digitalRead(33));// Turn the LED from off to on, or on to off
     delay(100);         // fast blink

STM32F1/libraries/A_STM32_Examples/examples/General/Print_HEX/Print_HEX.ino

@@ -16,7 +16,7 @@ void setup()                    // run once, when the sketch starts
   pinMode(33, OUTPUT);
   Serial.begin(BAUD);  // BAUD has no effect on USB serial: placeholder for physical UART
   // wait for serial monitor to be connected.
-  while (!(Serial.isConnected() && (Serial.getDTR() || Serial.getRTS())))
+  while (!Serial)
   {
     digitalWrite(33,!digitalRead(33));// Turn the LED from off to on, or on to off
     delay(100);         // fast blink

STM32F1/libraries/A_STM32_Examples/examples/General/SerialReadUntil/SerialReadUntil.ino

@@ -13,7 +13,7 @@ void setup() {
   pinMode(33, OUTPUT);
   Serial.begin(BAUD);  // BAUD has no effect on USB serial: placeholder for physical UAR
     // wait for serial monitor to be connected.
-  while (!(Serial.isConnected() && (Serial.getDTR() || Serial.getRTS())))
+  while (!Serial)
   {
     digitalWrite(33,!digitalRead(33));// Turn the LED from off to on, or on to off
     delay(100);         // fast blink

STM32F1/libraries/A_STM32_Examples/examples/General/USB_ASCII/USB_ASCII.ino

@@ -34,7 +34,7 @@ void setup() {
   pinMode(33, OUTPUT);
   Serial.begin();  // USB does not require BAUD
   // wait for serial monitor to be connected.
-  while (!(Serial.isConnected() && (Serial.getDTR() || Serial.getRTS())))
+  while (!Serial)
   {
     digitalWrite(33,!digitalRead(33));// Turn the LED from off to on, or on to off
     delay(100);         // fast blink

STM32F1/libraries/A_STM32_Examples/examples/General/strtol_DecEquivalents/strtol_DecEquivalents.ino

@@ -19,7 +19,7 @@ void setup() {
   pinMode(33, OUTPUT);
   Serial.begin(9600);
   // wait for serial monitor to be connected.
-  while (!(Serial.isConnected() && (Serial.getDTR() || Serial.getRTS())))
+  while (!Serial)
   {
     digitalWrite(33,!digitalRead(33));// Turn the LED from off to on, or on to off
     delay(100);         // fast blink