mirror of
https://github.com/mcgurk/Arduino-USB-HID-RetroJoystickAdapter
synced 2024-11-21 16:45:08 -05:00
139 lines
4.5 KiB
C++
139 lines
4.5 KiB
C++
#include <hidboot.h>
|
|
#include <usbhub.h>
|
|
|
|
#define POTSENSE 4 //ICP1 (Arduino Pro Micro: pin4, Arduino Uno: pin8)
|
|
|
|
#define POTX 9 // POT AX 9, also OC1A
|
|
#define POTY 10 // POT AY 5, also OC1B
|
|
#define LBTN 5 // BTN 6, Joystick FIRE switch
|
|
#define RBTN 6 // UP 1, Joystick UP switch
|
|
#define PDL1BTN 7 // LEFT 3, Paddle 1 FIRE switch
|
|
#define PDL2BTN 8 // RIGHT 4, Paddle 2 FIRE switch
|
|
|
|
int16_t dx = 0;
|
|
int16_t dy = 0;
|
|
uint8_t buttons = 0;
|
|
|
|
uint8_t update = 1;
|
|
|
|
class MouseRptParser : public MouseReportParser {
|
|
protected:
|
|
void OnMouseMove(MOUSEINFO *mi);
|
|
void OnLeftButtonUp(MOUSEINFO *mi);
|
|
void OnLeftButtonDown(MOUSEINFO *mi);
|
|
void OnRightButtonUp(MOUSEINFO *mi);
|
|
void OnRightButtonDown(MOUSEINFO *mi);
|
|
void OnMiddleButtonUp(MOUSEINFO *mi);
|
|
void OnMiddleButtonDown(MOUSEINFO *mi);
|
|
};
|
|
void MouseRptParser::OnMouseMove(MOUSEINFO *mi) {
|
|
dx=mi->dX;
|
|
dy=mi->dY;
|
|
update = 1;
|
|
};
|
|
void MouseRptParser::OnLeftButtonUp(MOUSEINFO *mi) {
|
|
buttons &= ~1;
|
|
update = 1;
|
|
};
|
|
void MouseRptParser::OnLeftButtonDown(MOUSEINFO *mi) {
|
|
buttons |= 1;
|
|
update = 1;
|
|
};
|
|
void MouseRptParser::OnRightButtonUp(MOUSEINFO *mi) {
|
|
buttons &= ~2;
|
|
update = 1;
|
|
};
|
|
void MouseRptParser::OnRightButtonDown(MOUSEINFO *mi) {
|
|
buttons |= 2;
|
|
update = 1;
|
|
};
|
|
void MouseRptParser::OnMiddleButtonUp(MOUSEINFO *mi) {
|
|
};
|
|
void MouseRptParser::OnMiddleButtonDown(MOUSEINFO *mi) {
|
|
};
|
|
|
|
USB Usb;
|
|
USBHub Hub(&Usb);
|
|
HIDBoot<USB_HID_PROTOCOL_MOUSE> HidMouse(&Usb);
|
|
|
|
MouseRptParser Prs;
|
|
|
|
|
|
static uint8_t potmouse_xcounter = 0; ///< x axis counter
|
|
static uint8_t potmouse_ycounter = 0; ///< y axis counter
|
|
|
|
static volatile uint16_t x; ///< precalculated OCR1A value (YPOT)
|
|
static volatile uint16_t y; ///< precalculated OCR1B value (XPOT)
|
|
|
|
void setup() {
|
|
if (Usb.Init() == -1) {
|
|
}
|
|
delay(200);
|
|
HidMouse.SetReportParser(0, &Prs);
|
|
|
|
pinMode(LBTN, INPUT); pinMode(RBTN, INPUT);
|
|
pinMode(PDL1BTN, INPUT); pinMode(PDL2BTN, INPUT);
|
|
|
|
pinMode(POTX, OUTPUT); pinMode(POTY, OUTPUT);
|
|
digitalWrite(POTX, HIGH); digitalWrite(POTY, HIGH);
|
|
pinMode(POTSENSE, INPUT); // pullup off, hi-biased by OC1A
|
|
|
|
TIMSK1 = _BV(ICIE1); // ICIE1: Timer/Counter1, Input Capture Interrupt Enable
|
|
TCCR1B = _BV(ICNC1) | _BV(CS10); //CS10: No prescaler, ICNC1: Input Capture Noise Canceller
|
|
}
|
|
|
|
|
|
void loop() {
|
|
Usb.Task();
|
|
if (update) {
|
|
//potmouse_xcounter = (potmouse_xcounter + (dx/2)) & 0177; // modulo 128
|
|
//potmouse_ycounter = (potmouse_ycounter - (dy/2)) & 0177;
|
|
int16_t t1 = (potmouse_xcounter - (dx/2));
|
|
int16_t t2 = (potmouse_ycounter + (dy/2));
|
|
potmouse_xcounter = constrain(t1, 0, 255);
|
|
potmouse_ycounter = constrain(t2, 0, 255);
|
|
/*if (t1 < 0) t1 = 0; if (t1 > 255) t1 = 255;
|
|
potmouse_xcounter = t1; //(potmouse_xcounter - (dx/2));// & 0xff; // modulo 256
|
|
if (t2 < 0) t2 = 0; if (t2 > 255) t2 = 255;
|
|
potmouse_ycounter = t2; //(potmouse_ycounter + (dy/2));// & 0xff;*/
|
|
|
|
//(buttons & 001) ? pinMode(LBTN, OUTPUT) : pinMode(LBTN, INPUT);
|
|
//(buttons & 002) ? pinMode(RBTN, OUTPUT) : pinMode(RBTN, INPUT);
|
|
(buttons & 001) ? pinMode(PDL1BTN, OUTPUT) : pinMode(PDL1BTN, INPUT);
|
|
(buttons & 002) ? pinMode(PDL2BTN, OUTPUT) : pinMode(PDL2BTN, INPUT);
|
|
|
|
cli();
|
|
//x = (320 + potmouse_xcounter)*16; //16 clock cycles = 1us
|
|
//y = (320 + potmouse_ycounter)*16;
|
|
//x = (192 + potmouse_xcounter)*16; //16 clock cycles = 1us
|
|
//y = (192 + potmouse_ycounter)*16;
|
|
x = (256 + potmouse_xcounter)*16; //16 clock cycles = 1us
|
|
y = (256 + potmouse_ycounter)*16;
|
|
sei();
|
|
update = 0;
|
|
}
|
|
delayMicroseconds(100);
|
|
}
|
|
|
|
|
|
ISR(TIMER1_CAPT_vect) { // ICIE1
|
|
// OC1A/OC1B -> LOW
|
|
TCCR1A = _BV(COM1A1) | _BV(COM1B1); // Clear OC1A / OC1B on Compare Match (Set output to low level)
|
|
TCCR1C |= _BV(FOC1A) | _BV(FOC1B); // FOC1A / FOC1B Force Output Compare A and B
|
|
|
|
// init the output compare values
|
|
OCR1A = ICR1 + x; //ICR1: Input Capture Register
|
|
OCR1B = ICR1 + y;
|
|
|
|
TCCR1A = _BV(COM1A1) | _BV(COM1A0) | _BV(COM1B1) | _BV(COM1B0); // Set OC1A / OC1B on Compare Match (Set output to high level).
|
|
|
|
TIMSK1 = _BV(OCIE1A); // OCIE1A: Timer/Counter Output Compare Match Interrupt Enable A // disable other TIMER1 interrupts
|
|
TIFR1 = 0xff; // Clear all pending TIMER1 interrupt flags
|
|
}
|
|
|
|
|
|
ISR(TIMER1_COMPA_vect) { // OCIE1A
|
|
TIMSK1 = _BV(ICIE1); // ICIE1: Timer/Counter1, Input Capture Interrupt Enable // disable other TIMER1 interrupts
|
|
TIFR1 = 0xff; // Clear all pending TIMER1 interrupt flags
|
|
}
|