1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
#include QMK_KEYBOARD_H
#include "drashna.h"
#include "analog.c"
#include "pointing_device.h"
#include "pincontrol.h"
#define KC_X0 LT(_FN, KC_ESC)
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
[_QWERTY] = LAYOUT(
KC_VOLU, KC_MPLY, KC_MPRV, RESET,
KC_VOLD, KC_MUTE, KC_MNXT, RESET
),
};
// Joystick
// Set Pins
uint8_t xPin = 8; // VRx / /B4
uint8_t yPin = 7; // VRy // B5
uint8_t swPin = E6; // SW
// Set Parameters
uint16_t minAxisValue = 0;
uint16_t maxAxisValue = 1023;
uint8_t maxCursorSpeed = 2;
uint8_t precisionSpeed = 1;
uint8_t speedRegulator = 20; // Lower Values Create Faster Movement
int8_t xPolarity = 1;
int8_t yPolarity = 1;
uint8_t cursorTimeout = 10;
int16_t xOrigin, yOrigin;
uint16_t lastCursor = 0;
int16_t axisCoordinate(uint8_t pin, uint16_t origin) {
int8_t direction;
int16_t distanceFromOrigin;
int16_t range;
int16_t position = analogRead(pin);
if (origin == position) {
return 0;
} else if (origin > position) {
distanceFromOrigin = origin - position;
range = origin - minAxisValue;
direction = -1;
} else {
distanceFromOrigin = position - origin;
range = maxAxisValue - origin;
direction = 1;
}
float percent = (float)distanceFromOrigin / range;
int16_t coordinate = (int16_t)(percent * 100);
if (coordinate < 0) {
return 0;
} else if (coordinate > 100) {
return 100 * direction;
} else {
return coordinate * direction;
}
}
int8_t axisToMouseComponent(uint8_t pin, int16_t origin, uint8_t maxSpeed, int8_t polarity) {
int coordinate = axisCoordinate(pin, origin);
if (coordinate == 0) {
return 0;
} else {
float percent = (float)coordinate / 100;
if (keyboard_report->mods & MOD_BIT(KC_LSFT)) {
return percent * precisionSpeed * polarity * (abs(coordinate) / speedRegulator);
} else {
return percent * maxCursorSpeed * polarity * (abs(coordinate) / speedRegulator);
}
}
}
void pointing_device_task(void) {
report_mouse_t report = pointing_device_get_report();
// todo read as one vector
if (timer_elapsed(lastCursor) > cursorTimeout) {
lastCursor = timer_read();
report.x = axisToMouseComponent(xPin, xOrigin, maxCursorSpeed, xPolarity);
report.y = axisToMouseComponent(yPin, yOrigin, maxCursorSpeed, yPolarity);
}
//
if (!readPin(swPin)) {
report.buttons |= MOUSE_BTN1;
} else {
report.buttons &= ~MOUSE_BTN1;
}
pointing_device_set_report(report);
pointing_device_send();
}
void matrix_init_keymap(void) {
// init pin? Is needed?
setPinInputHigh(swPin);
// Account for drift
xOrigin = analogRead(xPin);
yOrigin = analogRead(yPin);
}
|
