1 files changed, 89 insertions, 0 deletions
diff --git a/hid/src/usb/hid.h b/hid/src/usb/hid.h
new file mode 100644
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+++ b/hid/src/usb/hid.h
@@ -0,0 +1,89 @@
+/*****************************************************************************
+#                                                                            #
+#    KVMD - The main Pi-KVM daemon.                                          #
+#                                                                            #
+#    Copyright (C) 2018  Maxim Devaev <[email protected]>                    #
+#                                                                            #
+#    This program is free software: you can redistribute it and/or modify    #
+#    it under the terms of the GNU General Public License as published by    #
+#    the Free Software Foundation, either version 3 of the License, or       #
+#    (at your option) any later version.                                     #
+#                                                                            #
+#    This program is distributed in the hope that it will be useful,         #
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of          #
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           #
+#    GNU General Public License for more details.                            #
+#                                                                            #
+#    You should have received a copy of the GNU General Public License       #
+#    along with this program.  If not, see <https://www.gnu.org/licenses/>.  #
+#                                                                            #
+*****************************************************************************/
+
+
+#pragma once
+
+#include <HID-Project.h>
+
+#include "../inline.h"
+
+#include "keymap.h"
+
+
+// -----------------------------------------------------------------------------
+class UsbHid {
+	public:
+		UsbHid() {}
+
+		void begin() {
+			BootKeyboard.begin();
+			SingleAbsoluteMouse.begin();
+		}
+
+		void reset() {
+			BootKeyboard.releaseAll();
+			SingleAbsoluteMouse.releaseAll();
+		}
+
+		INLINE void sendKey(uint8_t code, bool state) {
+			KeyboardKeycode usb_code = keymapUsb(code);
+			if (usb_code != KEY_ERROR_UNDEFINED) {
+				if (state) BootKeyboard.press(usb_code);
+				else BootKeyboard.release(usb_code);
+			}
+		}
+
+		INLINE void sendMouseButtons(
+			bool left_select, bool left_state,
+			bool right_select, bool right_state,
+			bool middle_select, bool middle_state
+		) {
+			if (left_select) sendMouseButton(MOUSE_LEFT, left_state);
+			if (right_select) sendMouseButton(MOUSE_RIGHT, right_state);
+			if (middle_select) sendMouseButton(MOUSE_MIDDLE, middle_state);
+		}
+
+		INLINE void sendMouseMove(int x, int y) {
+			SingleAbsoluteMouse.moveTo(x, y);
+		}
+
+		INLINE void sendMouseWheel(int delta_y) {
+			// delta_x is not supported by hid-project now
+			SingleAbsoluteMouse.move(0, 0, delta_y);
+		}
+
+		INLINE uint8_t getLedsAs(uint8_t caps, uint8_t scroll, uint8_t num) {
+			uint8_t leds = BootKeyboard.getLeds();
+			uint8_t result = 0;
+
+			if (leds & LED_CAPS_LOCK) result |= caps;
+			if (leds & LED_SCROLL_LOCK) result |= scroll;
+			if (leds & LED_NUM_LOCK) result |= num;
+			return result;
+		}
+
+	private:
+		INLINE void sendMouseButton(uint8_t button, bool state) {
+			if (state) SingleAbsoluteMouse.press(button);
+			else SingleAbsoluteMouse.release(button);
+		}
+};