skip waiting for serial connection in examples

instead wait until device enumerated/mounted

Author: hathach

examples/HID/hid_composite/hid_composite.ino

@@ -61,6 +61,9 @@ void setup()
 
   Serial.begin(115200);
   Serial.println("Adafruit TinyUSB HID Composite example");
+
+  // wait until device mounted
+  while( !USBDevice.mounted() ) delay(1);
 }
 
 void loop()

examples/HID/hid_composite_joy_featherwing/hid_composite_joy_featherwing.ino

@@ -75,6 +75,9 @@ void setup()
 
   last_y = ss.analogRead(2);
   last_x = ss.analogRead(3);
+
+  // wait until device mounted
+  while( !USBDevice.mounted() ) delay(1);
 }
 
 void loop()

examples/HID/hid_generic_inout/hid_generic_inout.ino

@@ -49,7 +49,9 @@ void setup()
   usb_hid.begin();
 
   Serial.begin(115200);
-  while ( !Serial ) delay(10);   // wait for native usb
+
+  // wait until device mounted
+  while( !USBDevice.mounted() ) delay(1);
 
   Serial.println("Adafruit TinyUSB HID Generic In Out example");
 }

examples/HID/hid_keyboard/hid_keyboard.ino

@@ -50,6 +50,9 @@ void setup()
   {
     pinMode(pins[i], INPUT_PULLUP);
   }
+
+  // wait until device mounted
+  while( !USBDevice.mounted() ) delay(1);
 }
 
 

examples/HID/hid_mouse/hid_mouse.ino

@@ -53,6 +53,9 @@ void setup()
 
   Serial.begin(115200);
 
+  // wait until device mounted
+  while( !USBDevice.mounted() ) delay(1);
+
   Serial.println("Adafruit TinyUSB HID Mouse example");
 }
 

examples/MIDI/midi_test/midi_test.ino

@@ -53,10 +53,8 @@ void setup()
 
   Serial.begin(115200);
 
-  // wait for native usb serial to connect
-  while(!Serial) delay(1);
-
-  Serial.println("Adafruit TinyUSB MIDI example");
+  // wait until device mounted
+  while( !USBDevice.mounted() ) delay(1);
 }
 
 void loop()