112 lines
2.8 KiB
C
112 lines
2.8 KiB
C
#include QMK_KEYBOARD_H
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#include "drashna.h"
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#include "analog.c"
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#include "pointing_device.h"
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#include "pincontrol.h"
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#define KC_X0 LT(_FN, KC_ESC)
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const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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[_QWERTY] = LAYOUT(
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KC_VOLU, KC_MPLY, KC_MPRV, RESET,
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KC_VOLD, KC_MUTE, KC_MNXT, RESET
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),
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};
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// Joystick
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// Set Pins
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uint8_t xPin = 8; // VRx / /B4
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uint8_t yPin = 7; // VRy // B5
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uint8_t swPin = E6; // SW
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// Set Parameters
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uint16_t minAxisValue = 0;
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uint16_t maxAxisValue = 1023;
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uint8_t maxCursorSpeed = 2;
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uint8_t precisionSpeed = 1;
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uint8_t speedRegulator = 20; // Lower Values Create Faster Movement
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int8_t xPolarity = 1;
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int8_t yPolarity = 1;
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uint8_t cursorTimeout = 10;
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int16_t xOrigin, yOrigin;
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uint16_t lastCursor = 0;
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int16_t axisCoordinate(uint8_t pin, uint16_t origin) {
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int8_t direction;
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int16_t distanceFromOrigin;
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int16_t range;
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int16_t position = analogRead(pin);
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if (origin == position) {
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return 0;
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} else if (origin > position) {
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distanceFromOrigin = origin - position;
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range = origin - minAxisValue;
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direction = -1;
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} else {
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distanceFromOrigin = position - origin;
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range = maxAxisValue - origin;
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direction = 1;
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}
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float percent = (float)distanceFromOrigin / range;
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int16_t coordinate = (int16_t)(percent * 100);
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if (coordinate < 0) {
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return 0;
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} else if (coordinate > 100) {
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return 100 * direction;
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} else {
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return coordinate * direction;
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}
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}
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int8_t axisToMouseComponent(uint8_t pin, int16_t origin, uint8_t maxSpeed, int8_t polarity) {
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int coordinate = axisCoordinate(pin, origin);
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if (coordinate == 0) {
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return 0;
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} else {
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float percent = (float)coordinate / 100;
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if (keyboard_report->mods & MOD_BIT(KC_LSFT)) {
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return percent * precisionSpeed * polarity * (abs(coordinate) / speedRegulator);
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} else {
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return percent * maxCursorSpeed * polarity * (abs(coordinate) / speedRegulator);
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}
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}
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}
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void pointing_device_task(void) {
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report_mouse_t report = pointing_device_get_report();
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// todo read as one vector
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if (timer_elapsed(lastCursor) > cursorTimeout) {
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lastCursor = timer_read();
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report.x = axisToMouseComponent(xPin, xOrigin, maxCursorSpeed, xPolarity);
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report.y = axisToMouseComponent(yPin, yOrigin, maxCursorSpeed, yPolarity);
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}
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//
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if (!readPin(swPin)) {
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report.buttons |= MOUSE_BTN1;
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} else {
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report.buttons &= ~MOUSE_BTN1;
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}
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pointing_device_set_report(report);
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pointing_device_send();
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}
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void matrix_init_keymap(void) {
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// init pin? Is needed?
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setPinInputHigh(swPin);
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// Account for drift
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xOrigin = analogRead(xPin);
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yOrigin = analogRead(yPin);
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}
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