Arduino Uno R3 as HID - Revision history

Gaess: /* Arduino as a USB-Keyboard */

2014-08-27T17:16:08Z

Arduino as a USB-Keyboard

← Older revision		Revision as of 19:16, 27 August 2014
Line 46:		Line 46:
	We're going to change the arduino into a HID device now. The code we are using is from the [http://www.fourwalledcubicle.com/LUFA.php LUFA project] and [http://hunt.net.nz/users/darran/ hunt.net.nz], who used this library to create some ready made arduino firmwares.		We're going to change the arduino into a HID device now. The code we are using is from the [http://www.fourwalledcubicle.com/LUFA.php LUFA project] and [http://hunt.net.nz/users/darran/ hunt.net.nz], who used this library to create some ready made arduino firmwares.

	=== Arduino as a USB-Keyboard ===		=== Arduino as an USB-Keyboard ===
	==== Loading the firmware ====		==== Loading the firmware ====
	Download the keyboard firmware and supporting files from [http://hunt.net.nz/users/darran/weblog/b3029/Arduino_UNO_Keyboard_HID_version_03.html here].		Download the keyboard firmware and supporting files from [http://hunt.net.nz/users/darran/weblog/b3029/Arduino_UNO_Keyboard_HID_version_03.html here].

2014-08-27T12:19:16Z

Usage

← Older revision		Revision as of 14:19, 27 August 2014
Line 75:		Line 75:
	#define KEY_RIGHT_GUI 0x80		#define KEY_RIGHT_GUI 0x80

	Define ~~some~~ special keys in your sketch:		Define most common special keys in your sketch:
	#define KEY_RIGHT_ARROW 0x4F		#define KEY_RIGHT_ARROW 0x4F
	#define KEY_LEFT_ARROW 0x50		#define KEY_LEFT_ARROW 0x50
	#define KEY_DOWN_ARROW 0x51		#define KEY_DOWN_ARROW 0x51
	#define KEY_UP_ARROW 0x52		#define KEY_UP_ARROW 0x52
			#define KEY_ESC 0x29
	#define KEY_F1 0x3A		#define KEY_F1 0x3A
	#define KEY_F2 0x3B		#define KEY_F2 0x3B
Line 92:		Line 93:
	#define KEY_F11 0x44		#define KEY_F11 0x44
	#define KEY_F12 0x45		#define KEY_F12 0x45
			#define KEY_PRTSCR 0x46
			#define KEY_SCRLK 0x47
			#define KEY_PAUSE 0x48
			#define KEY_DEL 0x4C
			#define KEY_INS 0x49
			#define KEY_END 0x4D
			#define KEY_HOME 0x4A
			#define KEY_PGDN 0x4E
			#define KEY_PGUP 0x4B
			#define KEY_BACKSPC 0x2A
			#define KEY_TAB 0x2B
			#define KEY_ENTER 0x28
			#define KEY_SPC 0x2C
			#define KEY_MUTE 0x7F
			#define KEY_VOL_UP 0x80
			#define KEY_VOL_DOWN 0x81


	Send Ctrl + Alt + F1:		Send Ctrl + Alt + F1:

2014-08-26T10:37:29Z

Usage

← Older revision		Revision as of 12:37, 26 August 2014
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	#define KEY_F12 0x45		#define KEY_F12 0x45

	Send Alt + F1:		Send Ctrl + Alt + F1:
	<nowiki>		<nowiki>
	uint8_t codebuffer[8] = { 0 }; // Keyboard keycodes buffer		uint8_t codebuffer[8] = { 0 }; // Keyboard keycodes buffer
Line 103:		Line 103:
	void loop() {		void loop() {
	delay(5000);		delay(5000);
	~~buf~~[0] = KEY_LEFT_ALT;		codebuffer[0] = KEY_LEFT_CTRL + KEY_LEFT_ALT;
	~~buf~~[2] = KEY_F1;		codebuffer[2] = KEY_F1;

	Serial.write(~~buf~~, 8); // Send keypress		Serial.write(codebuffer, 8); // Send keypress
	~~buf~~[0] = 0;		codebuffer[0] = 0;
	~~buf~~[2] = 0;		codebuffer[2] = 0;
	Serial.write(~~buf~~, 8); // Release key		Serial.write(codebuffer, 8); // Release key
	}		}
	</nowiki>		</nowiki>

2014-08-26T09:26:46Z

Usage

← Older revision		Revision as of 11:26, 26 August 2014
Line 94:		Line 94:

	Send Alt + F1:		Send Alt + F1:
	<nowiki>		<nowiki>
	uint8_t codebuffer[8] = { 0 }; // Keyboard keycodes buffer		uint8_t codebuffer[8] = { 0 }; // Keyboard keycodes buffer
	void setup() {		void setup() {
	Serial.begin(9600);		Serial.begin(9600);
	delay(200);		delay(200);
	}		}

	void loop() {		void loop() {
	delay(5000);		delay(5000);
	buf[0] = KEY_LEFT_ALT;		buf[0] = KEY_LEFT_ALT;
	buf[2] = KEY_F1;		buf[2] = KEY_F1;

	Serial.write(buf, 8); // Send keypress		Serial.write(buf, 8); // Send keypress
	buf[0] = 0;		buf[0] = 0;
	buf[2] = 0;		buf[2] = 0;
	Serial.write(buf, 8); // Release key		Serial.write(buf, 8); // Release key
	}</nowiki>		}
			</nowiki>

	Find all keycodes in Chapter 10: "Keyboard/Keypad Page (0x07)" of the [http://www.usb.org/developers/devclass_docs/Hut1_11.pdf HID usage Tables] document.		Find all keycodes in Chapter 10: "Keyboard/Keypad Page (0x07)" of the [http://www.usb.org/developers/devclass_docs/Hut1_11.pdf HID usage Tables] document.

2014-08-26T09:24:05Z

Usage

← Older revision		Revision as of 11:24, 26 August 2014
Line 94:		Line 94:

	Send Alt + F1:		Send Alt + F1:
			<nowiki>
	uint8_t codebuffer[8] = { 0 }; // Keyboard keycodes buffer		uint8_t codebuffer[8] = { 0 }; // Keyboard keycodes buffer
	void setup() {		void setup() {
Line 110:		Line 110:
	buf[2] = 0;		buf[2] = 0;
	Serial.write(buf, 8); // Release key		Serial.write(buf, 8); // Release key
	}		}</nowiki>

	Find all keycodes in Chapter 10: "Keyboard/Keypad Page (0x07)" of the [http://www.usb.org/developers/devclass_docs/Hut1_11.pdf HID usage Tables] document.		Find all keycodes in Chapter 10: "Keyboard/Keypad Page (0x07)" of the [http://www.usb.org/developers/devclass_docs/Hut1_11.pdf HID usage Tables] document.

2014-08-26T09:23:19Z

Usage

← Older revision		Revision as of 11:23, 26 August 2014
Line 94:		Line 94:

	Send Alt + F1:		Send Alt + F1:
	~~<nowiki>~~
	uint8_t codebuffer[8] = { 0 }; // Keyboard keycodes buffer		uint8_t codebuffer[8] = { 0 }; // Keyboard keycodes buffer
	void setup() {		void setup() {
Line 110:		Line 110:
	buf[2] = 0;		buf[2] = 0;
	Serial.write(buf, 8); // Release key		Serial.write(buf, 8); // Release key
	}~~</nowiki>~~		}

	Find all keycodes in Chapter 10: "Keyboard/Keypad Page (0x07)" of the [http://www.usb.org/developers/devclass_docs/Hut1_11.pdf HID usage Tables] document.		Find all keycodes in Chapter 10: "Keyboard/Keypad Page (0x07)" of the [http://www.usb.org/developers/devclass_docs/Hut1_11.pdf HID usage Tables] document.

2014-08-26T09:22:55Z

Usage

← Older revision		Revision as of 11:22, 26 August 2014
Line 110:		Line 110:
	buf[2] = 0;		buf[2] = 0;
	Serial.write(buf, 8); // Release key		Serial.write(buf, 8); // Release key
	}		}</nowiki>
	</nowiki>

	Find all keycodes in Chapter 10: "Keyboard/Keypad Page (0x07)" of the [http://www.usb.org/developers/devclass_docs/Hut1_11.pdf HID usage Tables] document.		Find all keycodes in Chapter 10: "Keyboard/Keypad Page (0x07)" of the [http://www.usb.org/developers/devclass_docs/Hut1_11.pdf HID usage Tables] document.

2014-08-26T09:20:26Z

Usage

← Older revision		Revision as of 11:20, 26 August 2014
Line 94:		Line 94:

	Send Alt + F1:		Send Alt + F1:
			<nowiki>
			uint8_t codebuffer[8] = { 0 }; // Keyboard keycodes buffer
			void setup() {
			Serial.begin(9600);
			delay(200);
			}

			void loop() {
			delay(5000);
			buf[0] = KEY_LEFT_ALT;
			buf[2] = KEY_F1;

			Serial.write(buf, 8); // Send keypress
			buf[0] = 0;
			buf[2] = 0;
			Serial.write(buf, 8); // Release key
			}
			</nowiki>

	Find all keycodes in Chapter 10: "Keyboard/Keypad Page (0x07)" of the [http://www.usb.org/developers/devclass_docs/Hut1_11.pdf HID usage Tables] document.		Find all keycodes in Chapter 10: "Keyboard/Keypad Page (0x07)" of the [http://www.usb.org/developers/devclass_docs/Hut1_11.pdf HID usage Tables] document.

2014-08-26T09:15:29Z

Flash Arduino's standard firmware to ATMEGA 16U2

← Older revision		Revision as of 11:15, 26 August 2014
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	sudo dfu-programmer atmega16u2 reset		sudo dfu-programmer atmega16u2 reset

	Unplug your Arduino and plug it back in. It should behave ~~lika~~ an ordinary R3. Try uploading a sketch from the Arduino environment to check.		Unplug your Arduino and plug it back in. It should behave like an ordinary R3. Try uploading a sketch from the Arduino environment to check.

	== Flashing HID firmware to the 16U2 ==		== Flashing HID firmware to the 16U2 ==

2014-08-26T09:14:18Z

Flash Arduino's standard firmware to ATMEGA 16U2

← Older revision		Revision as of 11:14, 26 August 2014
Line 38:		Line 38:
	Erase the chip, upload firmware and reset:		Erase the chip, upload firmware and reset:
	sudo dfu-programmer atmega16u2 erase		sudo dfu-programmer atmega16u2 erase
	sudo dfu-programmer atmega16u2 flash Arduino-COMBINED-dfu-usbserial-atmega16u2-Uno-Rev3.hex		sudo dfu-programmer atmega16u2 flash --suppress-bootloader-mem Arduino-COMBINED-dfu-usbserial-atmega16u2-Uno-Rev3.hex
	sudo dfu-programmer atmega16u2 reset		sudo dfu-programmer atmega16u2 reset