67 lines
2 KiB
C
67 lines
2 KiB
C
/* Copyright 2020 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com>
|
|
* Copyright 2020 Ploopy Corporation
|
|
*
|
|
* 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 2 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 <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#pragma once
|
|
|
|
#include <stdbool.h>
|
|
|
|
#ifndef SCROLLER_AR_SIZE
|
|
# define SCROLLER_AR_SIZE 31
|
|
#endif
|
|
|
|
#ifndef SCROLL_THRESH_RANGE_LIM
|
|
# define SCROLL_THRESH_RANGE_LIM 10
|
|
#endif
|
|
|
|
enum State { HIHI, HILO, LOLO, LOHI };
|
|
|
|
extern enum State state;
|
|
|
|
/* Variables used for scroll wheel functionality. */
|
|
extern bool lohif;
|
|
extern bool hilof;
|
|
extern int lowA;
|
|
extern int highA;
|
|
extern bool cLowA;
|
|
extern bool cHighA;
|
|
extern int lowIndexA;
|
|
extern int highIndexA;
|
|
extern bool lowOverflowA;
|
|
extern bool highOverflowA;
|
|
extern int lowB;
|
|
extern int highB;
|
|
extern bool cLowB;
|
|
extern bool cHighB;
|
|
extern int lowIndexB;
|
|
extern int highIndexB;
|
|
extern bool lowOverflowB;
|
|
extern bool highOverflowB;
|
|
extern int scrollThresholdA;
|
|
extern int scrollThresholdB;
|
|
extern int arLowA[SCROLLER_AR_SIZE];
|
|
extern int arHighA[SCROLLER_AR_SIZE];
|
|
extern int arLowB[SCROLLER_AR_SIZE];
|
|
extern int arHighB[SCROLLER_AR_SIZE];
|
|
|
|
void calculateThresholdA(int curA);
|
|
void calculateThresholdB(int curB);
|
|
int calculateThreshold(int cur, int* low, int* high, bool* cLow, bool* cHigh, int arLow[], int arHigh[], int* lowIndex, int* highIndex, bool* lowOverflow, bool* highOverflow);
|
|
int thresholdEquation(int lo, int hi);
|
|
void incrementIndex(int* index, bool* ovflw);
|
|
|
|
void opt_encoder_init(void);
|
|
int opt_encoder_handler(int curA, int curB);
|