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User friendliness #548

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21 changes: 16 additions & 5 deletions libraries/USBHID/examples/Keyboard/Keyboard.ino
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Original file line number Diff line number Diff line change
@@ -1,15 +1,26 @@
/**************************************************************
** Brief introduction to a few HID Keyboard commands. **
** Unlike the other Keyboard library, this one doesn't use **
** the "press", "release", and "send" commands. **
**************************************************************/

#include "PluggableUSBHID.h"
#include "USBKeyboard.h"

USBKeyboard Keyboard;

void setup() {
// put your setup code here, to run once:
// Arbitrary pin.
const int CONTROL_PIN = 2;

void setup() {
// We will use this to start/end the prints.
pinMode(CONTROL_PIN, INPUT_PULLUP);
}

void loop() {
// put your main code here, to run repeatedly:
delay(1000);
Keyboard.printf("Hello world\n\r");
// This will run only if the control pin is connected to ground.
if( digitalRead(CONTROL_PIN) == LOW){
delay(1000);
Keyboard.printf("Hello world\n\r");
}
}