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