mirror of
https://github.com/openstenoproject/qmk
synced 2024-11-14 20:44:38 +00:00
66 lines
2 KiB
C
66 lines
2 KiB
C
/* Copyright 2020 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com>
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* Copyright 2020 Ploopy Corporation
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stdbool.h>
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#ifndef SCROLLER_AR_SIZE
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# define SCROLLER_AR_SIZE 31
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#endif
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#ifndef SCROLL_THRESH_RANGE_LIM
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# define SCROLL_THRESH_RANGE_LIM 10
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#endif
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enum State { HIHI, HILO, LOLO, LOHI };
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extern enum State state;
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/* Variables used for scroll wheel functionality. */
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extern bool lohif;
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extern bool hilof;
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extern int lowA;
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extern int highA;
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extern bool cLowA;
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extern bool cHighA;
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extern int lowIndexA;
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extern int highIndexA;
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extern bool lowOverflowA;
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extern bool highOverflowA;
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extern int lowB;
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extern int highB;
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extern bool cLowB;
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extern bool cHighB;
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extern int lowIndexB;
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extern int highIndexB;
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extern bool lowOverflowB;
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extern bool highOverflowB;
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extern int scrollThresholdA;
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extern int scrollThresholdB;
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extern int arLowA[SCROLLER_AR_SIZE];
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extern int arHighA[SCROLLER_AR_SIZE];
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extern int arLowB[SCROLLER_AR_SIZE];
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extern int arHighB[SCROLLER_AR_SIZE];
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void calculateThresholdA(int curA);
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void calculateThresholdB(int curB);
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int calculateThreshold(int cur, int* low, int* high, bool* cLow, bool* cHigh, int arLow[], int arHigh[], int* lowIndex, int* highIndex, bool* lowOverflow, bool* highOverflow);
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int thresholdEquation(int lo, int hi);
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void incrementIndex(int* index, bool* ovflw);
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void opt_encoder_init(void);
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int opt_encoder_handler(int curA, int curB);
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