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39 lines
1.1 KiB
39 lines
1.1 KiB
// Using Arduino as keyboard emulator on iOS devices (HID/Keyboard)
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//
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// *used Arduino Pro Micro Clone, 5v
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// *selected Arduino Leonardo as board when compiling
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//
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// for use with iOS without complaining, modify the USBCore.h file to tell the arduino to use less usb poiwer
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// change USB_CONFIG_POWER from 500 to 100, on line 98, see below
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//
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// bMaxPower in Configuration Descriptor
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// #define USB_CONFIG_POWER_MA(mA) ((mA)/2)
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// #ifndef USB_CONFIG_POWER
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// #define USB_CONFIG_POWER (100)
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// #endif
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//
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// on mac the USBCore.h is located at:
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// /Applications/Arduino.app/Contents/Java/hardware/arduino/avr/cores/arduino/USBCore.h
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//
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// ref: https://arduino.stackexchange.com/questions/60771/arduino-micro-draws-too-much-power-from-iphone-how-can-i-change-that
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//
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// tested on:
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// iPhone 6 + iOS 12.4.4
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// iPhone X + iOS 14.2
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//
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#include <Keyboard.h>
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void setup() {
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pinMode(3,INPUT_PULLUP);
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}
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void loop() {
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Keyboard.begin();
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if(digitalRead(3) == 0)
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{
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Keyboard.write('A');
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delay(100);
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}
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Keyboard.end();
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}
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