127 lines
3.6 KiB
C++
127 lines
3.6 KiB
C++
/*
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Copyright (c) 2014 NicoHood
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See the readme for credit to other people.
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Advanced HID example
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*/
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// not needed for Leonardo/Micro
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#include <HID.h>
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// for Leonardo/Micro: make sure to activate desired USB functions in HID_Reports.h
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const int pinLed = 13;
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const int pinButton = 8;
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// see HID_Reports.h for all data structures
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HID_GamepadReport_Data_t Gamepadreport;
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void setup() {
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pinMode(pinLed, OUTPUT);
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pinMode(pinButton, INPUT_PULLUP);
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// Starts Serial at baud 115200. end just ends the Serial
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// Make sure to end your special HIDs before, this does not clear them!
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// You need this baud for the HID library but still can use other bauds
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// without HID functions.
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// not needed for Leonado/Micro, Serial will not be set
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HID.begin();
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// Sends a clean report to the host. This is important because
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// the 16u2 of the Uno/Mega is not turned off while programming
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// so you want to start with a clear report to avoid strange bugs.
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// its exactly the same like the end() function.
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// You can also unplug the device if anything goes wrong.
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// To prevent the 16u2 to send more reports just pull the Serial TX (pin1) low
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// or see readme for turning off HID functions.
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// If you did anything wrong (keyboard is doing weird stuff)
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// just logout (no shutdown needed).
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memset(&Gamepadreport, 0, sizeof(Gamepadreport));
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HID.sendReport(HID_REPORTID_Gamepad1Report, &Gamepadreport, sizeof(Gamepadreport));
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pressRawKeyboard(0, 0);
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}
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void loop() {
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// press a button and demonstrate Joystick actions
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if (!digitalRead(pinButton)) {
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digitalWrite(pinLed, HIGH);
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// This demo is actually made for advanced users to show them how they can write an own report.
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// This might be useful for a Gamepad or a especially Keyboard if you only use one key,
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// because the library has a lot of code for simple use
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// count with buttons binary
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static uint32_t count = 0;
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Gamepadreport.whole32[0] = count++;
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// move x/y Axis to a new position (16bit)
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Gamepadreport.whole16[2] = (random(0xFFFF));
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// functions before only set the values
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// this writes the report to the host
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HID.sendReport(HID_REPORTID_Gamepad1Report, &Gamepadreport, sizeof(Gamepadreport));
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// press STRG + ALT + DEL on keyboard (see usb documentation)
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//pressRawKeyboard(0, 4); //modifiers + 4
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//pressRawKeyboard(0, 29); //modifiers + z
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pressRawKeyboard(RAW_KEYBOARD_LEFT_CTRL | RAW_KEYBOARD_LEFT_ALT , RAW_KEYBOARD_DELETE); //modifiers + key
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pressRawKeyboard(0, 0); // release! Important
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// simple debounce
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delay(300);
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digitalWrite(pinLed, LOW);
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}
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}
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void pressRawKeyboard(uint8_t modifiers, uint8_t key) {
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uint8_t keys[8] = { modifiers, 0, key, 0, 0, 0, 0, 0 }; //modifiers, reserved, key[0]
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HID.sendReport(HID_REPORTID_KeyboardReport, keys, sizeof(keys));
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}
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/*
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See Hut1_12v2.pdf Chapter 10 (Page 53) for more Keys
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(especially a-z, a=0x04 z=29)
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Definitions:
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RAW_KEYBOARD_LEFT_CTRL
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RAW_KEYBOARD_LEFT_SHIFT
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RAW_KEYBOARD_LEFT_ALT
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RAW_KEYBOARD_LEFT_GUI
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RAW_KEYBOARD_RIGHT_CTRL
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RAW_KEYBOARD_RIGHT_SHIFT
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RAW_KEYBOARD_RIGHT_ALT
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RAW_KEYBOARD_RIGHT_GUI
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RAW_KEYBOARD_UP_ARROW
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RAW_KEYBOARD_DOWN_ARROW
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RAW_KEYBOARD_LEFT_ARROW
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RAW_KEYBOARD_RIGHT_ARROW
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RAW_KEYBOARD_SPACEBAR
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RAW_KEYBOARD_BACKSPACE
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RAW_KEYBOARD_TAB
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RAW_KEYBOARD_RETURN
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RAW_KEYBOARD_ESC
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RAW_KEYBOARD_INSERT
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RAW_KEYBOARD_DELETE
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RAW_KEYBOARD_PAGE_UP
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RAW_KEYBOARD_PAGE_DOWN
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RAW_KEYBOARD_HOME
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RAW_KEYBOARD_END
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RAW_KEYBOARD_CAPS_LOCK
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RAW_KEYBOARD_F1
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RAW_KEYBOARD_F2
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RAW_KEYBOARD_F3
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RAW_KEYBOARD_F4
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RAW_KEYBOARD_F5
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RAW_KEYBOARD_F6
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RAW_KEYBOARD_F7
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RAW_KEYBOARD_F8
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RAW_KEYBOARD_F9
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RAW_KEYBOARD_F10
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RAW_KEYBOARD_F11
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RAW_KEYBOARD_F12
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RAW_KEYBOARD_PRINT
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RAW_KEYBOARD_SCROLL_LOCK
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RAW_KEYBOARD_PAUSE
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*/
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