202 lines
7.6 KiB
C++
202 lines
7.6 KiB
C++
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/* Copyright (C) 2011 Circuits At Home, LTD. All rights reserved.
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This software may be distributed and modified under the terms of the GNU
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General Public License version 2 (GPL2) as published by the Free Software
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Foundation and appearing in the file GPL2.TXT included in the packaging of
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this file. Please note that GPL2 Section 2[b] requires that all works based
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on this software must also be made publicly available under the terms of
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the GPL2 ("Copyleft").
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Contact information
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-------------------
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Circuits At Home, LTD
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Web : http://www.circuitsathome.com
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e-mail : support@circuitsathome.com
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*/
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#include "hidboot.h"
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void MouseReportParser::Parse(HID *hid, bool is_rpt_id, uint8_t len, uint8_t *buf) {
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MOUSEINFO *pmi = (MOUSEINFO*)buf;
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// Future:
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// bool event;
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#if 0
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if (prevState.mouseInfo.bmLeftButton == 0 && pmi->bmLeftButton == 1)
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OnLeftButtonDown(pmi);
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if (prevState.mouseInfo.bmLeftButton == 1 && pmi->bmLeftButton == 0)
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OnLeftButtonUp(pmi);
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if (prevState.mouseInfo.bmRightButton == 0 && pmi->bmRightButton == 1)
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OnRightButtonDown(pmi);
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if (prevState.mouseInfo.bmRightButton == 1 && pmi->bmRightButton == 0)
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OnRightButtonUp(pmi);
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if (prevState.mouseInfo.bmMiddleButton == 0 && pmi->bmMiddleButton == 1)
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OnMiddleButtonDown(pmi);
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if (prevState.mouseInfo.bmMiddleButton == 1 && pmi->bmMiddleButton == 0)
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OnMiddleButtonUp(pmi);
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if (prevState.mouseInfo.dX != pmi->dX || prevState.mouseInfo.dY != pmi->dY)
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OnMouseMove(pmi);
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if (len > sizeof (MOUSEINFO))
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for (uint8_t i = 0; i<sizeof (MOUSEINFO); i++)
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prevState.bInfo[i] = buf[i];
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#else
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//
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// Optimization idea:
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//
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// 1: Don't pass the structure on every event. Buttons would not need it.
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// 2: Only pass x/y values in the movement routine.
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//
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// These two changes (with the ones I have made) will save extra flash.
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// The only "bad" thing is that it could break old code.
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//
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// Future thoughts:
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//
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// The extra space gained can be used for a generic mouse event that can be called
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// when there are _ANY_ changes. This one you _MAY_ want to pass everything, however the
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// sketch could already have noted these facts to support drag/drop scroll wheel stuff, etc.
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//
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// Why do we need to pass the structure for buttons?
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// The function call not enough of a hint for what is happening?
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if(prevState.mouseInfo.bmLeftButton != pmi->bmLeftButton ) {
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if(pmi->bmLeftButton) {
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OnLeftButtonDown(pmi);
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} else {
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OnLeftButtonUp(pmi);
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}
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// Future:
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// event = true;
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}
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if(prevState.mouseInfo.bmRightButton != pmi->bmRightButton) {
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if(pmi->bmRightButton) {
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OnRightButtonDown(pmi);
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} else {
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OnRightButtonUp(pmi);
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}
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// Future:
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// event = true;
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}
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if(prevState.mouseInfo.bmMiddleButton != pmi->bmMiddleButton) {
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if(pmi->bmMiddleButton) {
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OnMiddleButtonDown(pmi);
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} else {
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OnMiddleButtonUp(pmi);
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}
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// Future:
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// event = true;
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}
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//
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// Scroll wheel(s), are not part of the spec, but we could support it.
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// Logitech wireless keyboard and mouse combo reports scroll wheel in byte 4
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// We wouldn't even need to save this information.
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//if(len > 3) {
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//}
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//
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// Mice only report motion when they actually move!
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// Why not just pass the x/y values to simplify things??
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if(pmi->dX || pmi->dY) {
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OnMouseMove(pmi);
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// Future:
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// event = true;
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}
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//
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// Future:
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// Provide a callback that operates on the gathered events from above.
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//
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// if(event) OnMouse();
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//
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// Only the first byte matters (buttons). We do NOT need to save position info.
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prevState.bInfo[0] = buf[0];
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#endif
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};
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void KeyboardReportParser::Parse(HID *hid, bool is_rpt_id, uint8_t len, uint8_t *buf) {
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// On error - return
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if (buf[2] == 1)
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return;
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//KBDINFO *pki = (KBDINFO*)buf;
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// provide event for changed control key state
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if (prevState.bInfo[0x00] != buf[0x00]) {
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OnControlKeysChanged(prevState.bInfo[0x00], buf[0x00]);
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}
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for (uint8_t i = 2; i < 8; i++) {
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bool down = false;
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bool up = false;
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for (uint8_t j = 2; j < 8; j++) {
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if (buf[i] == prevState.bInfo[j] && buf[i] != 1)
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down = true;
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if (buf[j] == prevState.bInfo[i] && prevState.bInfo[i] != 1)
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up = true;
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}
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if (!down) {
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HandleLockingKeys(hid, buf[i]);
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OnKeyDown(*buf, buf[i]);
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}
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if (!up)
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OnKeyUp(prevState.bInfo[0], prevState.bInfo[i]);
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}
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for (uint8_t i = 0; i < 8; i++)
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prevState.bInfo[i] = buf[i];
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};
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const uint8_t KeyboardReportParser::numKeys[10] PROGMEM = {'!', '@', '#', '$', '%', '^', '&', '*', '(', ')'};
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const uint8_t KeyboardReportParser::symKeysUp[12] PROGMEM = {'_', '+', '{', '}', '|', '~', ':', '"', '~', '<', '>', '?'};
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const uint8_t KeyboardReportParser::symKeysLo[12] PROGMEM = {'-', '=', '[', ']', '\\', ' ', ';', '\'', '`', ',', '.', '/'};
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const uint8_t KeyboardReportParser::padKeys[5] PROGMEM = {'/', '*', '-', '+', 0x13};
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uint8_t KeyboardReportParser::OemToAscii(uint8_t mod, uint8_t key) {
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uint8_t shift = (mod & 0x22);
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// [a-z]
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if (VALUE_WITHIN(key, 0x04, 0x1d)) {
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// Upper case letters
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if ((kbdLockingKeys.kbdLeds.bmCapsLock == 0 && shift) ||
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(kbdLockingKeys.kbdLeds.bmCapsLock == 1 && shift == 0))
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return (key - 4 + 'A');
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// Lower case letters
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else
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return (key - 4 + 'a');
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}// Numbers
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else if (VALUE_WITHIN(key, 0x1e, 0x27)) {
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if (shift)
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return ((uint8_t)pgm_read_byte(&getNumKeys()[key - 0x1e]));
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else
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return ((key == UHS_HID_BOOT_KEY_ZERO) ? '0' : key - 0x1e + '1');
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}// Keypad Numbers
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else if(VALUE_WITHIN(key, 0x59, 0x61)) {
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if(kbdLockingKeys.kbdLeds.bmNumLock == 1)
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return (key - 0x59 + '1');
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} else if(VALUE_WITHIN(key, 0x2d, 0x38))
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return ((shift) ? (uint8_t)pgm_read_byte(&getSymKeysUp()[key - 0x2d]) : (uint8_t)pgm_read_byte(&getSymKeysLo()[key - 0x2d]));
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else if(VALUE_WITHIN(key, 0x54, 0x58))
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return (uint8_t)pgm_read_byte(&getPadKeys()[key - 0x54]);
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else {
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switch(key) {
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case UHS_HID_BOOT_KEY_SPACE: return (0x20);
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case UHS_HID_BOOT_KEY_ENTER: return (0x13);
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case UHS_HID_BOOT_KEY_ZERO2: return ((kbdLockingKeys.kbdLeds.bmNumLock == 1) ? '0': 0);
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case UHS_HID_BOOT_KEY_PERIOD: return ((kbdLockingKeys.kbdLeds.bmNumLock == 1) ? '.': 0);
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}
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}
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return ( 0);
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}
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