98 lines
2.6 KiB
C++
98 lines
2.6 KiB
C++
/*
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Copyright (c) 2015 NicoHood
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See the readme for credit to other people.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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// Include guard
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#pragma once
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size_t NKROKeyboardAPI::set(KeyboardKeycode k, bool s)
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{
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// Press keymap key
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if (k < NKRO_KEY_COUNT){
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uint8_t bit = 1 << (uint8_t(k) % 8);
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if(s){
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_keyReport.keys[k / 8] |= bit;
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}
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else{
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_keyReport.keys[k / 8] &= ~bit;
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}
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return 1;
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}
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// It's a modifier key
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else if(k >= KEY_LEFT_CTRL && k <= KEY_RIGHT_GUI)
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{
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// Convert key into bitfield (0 - 7)
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k = KeyboardKeycode(uint8_t(k) - uint8_t(KEY_LEFT_CTRL));
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if(s){
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_keyReport.modifiers |= (1 << k);
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}
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else{
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_keyReport.modifiers &= ~(1 << k);
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}
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return 1;
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}
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// Its a custom key (outside our keymap)
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else{
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// Add k to the key report only if it's not already present
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// and if there is an empty slot. Remove the first available key.
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auto key = _keyReport.key;
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// Is key already in the list or did we found an empty slot?
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if (s && (key == uint8_t(k) || key == KEY_RESERVED)) {
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_keyReport.key = k;
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return 1;
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}
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// Test the key report to see if k is present. Clear it if it exists.
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if (!s && (key == k)) {
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_keyReport.key = KEY_RESERVED;
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return 1;
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}
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}
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// No empty/pressed key was found
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return 0;
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}
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size_t NKROKeyboardAPI::removeAll(void)
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{
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// Release all keys
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size_t ret = 0;
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for (uint8_t i = 0; i < sizeof(_keyReport.allkeys); i++)
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{
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// Is a key in the list or did we found an empty slot?
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auto bits = _keyReport.allkeys[i];
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do {
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if(bits & 0x01){
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ret++;
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}
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bits >>=1;
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}
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while(bits);
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_keyReport.allkeys[i] = 0x00;
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}
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return ret;
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}
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