mirror of
https://github.com/mcgurk/Arduino-USB-HID-RetroJoystickAdapter
synced 2024-11-24 01:52:17 -05:00
Create c64_usb_mouse_2.ino
This commit is contained in:
Jarno Lehtinen
GitHub
parent
631588b573
commit
53d4e951cc
304
C64_1351_Mouse/c64_usb_mouse_2.ino
Normal file
304
C64_1351_Mouse/c64_usb_mouse_2.ino
Normal file
@ -0,0 +1,304 @@
|
||||
#define USBHOST
|
||||
|
||||
#ifdef USBHOST
|
||||
#include <hidboot.h>
|
||||
#include <usbhub.h>
|
||||
#endif
|
||||
|
||||
#define POTSENSE 4 //ICP1
|
||||
|
||||
#define POTX 9 ///< X-line, also OC1A
|
||||
#define POTY 10 ///< Y-line, also OC1B
|
||||
#define LBTN 5 ///< Joystick FIRE switch
|
||||
#define RBTN 6 ///< Joystick UP switch
|
||||
|
||||
//#define DEBUG
|
||||
|
||||
int16_t dx=0;
|
||||
int16_t dy=0;
|
||||
uint8_t buttons=0;
|
||||
|
||||
uint8_t update = 0;
|
||||
#define FIX_START 100
|
||||
int16_t fix = FIX_START;
|
||||
|
||||
#ifdef USBHOST
|
||||
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) {
|
||||
#ifdef DEBUG
|
||||
Serial.print("dx=");
|
||||
Serial.print(mi->dX, DEC);
|
||||
Serial.print(" dy=");
|
||||
Serial.println(mi->dY, DEC);
|
||||
#endif
|
||||
dx=mi->dX;
|
||||
dy=mi->dY;
|
||||
update = 1;
|
||||
};
|
||||
void MouseRptParser::OnLeftButtonUp(MOUSEINFO *mi) {
|
||||
#ifdef DEBUG
|
||||
Serial.println("L Butt Up");
|
||||
#endif
|
||||
buttons &= ~1;
|
||||
update = 1;
|
||||
};
|
||||
void MouseRptParser::OnLeftButtonDown(MOUSEINFO *mi) {
|
||||
#ifdef DEBUG
|
||||
Serial.println("L Butt Dn");
|
||||
#endif
|
||||
buttons |= 1;
|
||||
update = 1;
|
||||
fix++;
|
||||
};
|
||||
void MouseRptParser::OnRightButtonUp(MOUSEINFO *mi) {
|
||||
#ifdef DEBUG
|
||||
Serial.println("R Butt Up");
|
||||
#endif
|
||||
buttons &= ~2;
|
||||
update = 1;
|
||||
};
|
||||
void MouseRptParser::OnRightButtonDown(MOUSEINFO *mi) {
|
||||
#ifdef DEBUG
|
||||
Serial.println("R Butt Dn");
|
||||
#endif
|
||||
buttons |= 2;
|
||||
update = 1;
|
||||
fix--;
|
||||
};
|
||||
void MouseRptParser::OnMiddleButtonUp(MOUSEINFO *mi) {
|
||||
#ifdef DEBUG
|
||||
Serial.println("M Butt Up");
|
||||
#endif
|
||||
};
|
||||
void MouseRptParser::OnMiddleButtonDown(MOUSEINFO *mi) {
|
||||
#ifdef DEBUG
|
||||
Serial.println("M Butt Dn");
|
||||
#endif
|
||||
fix = FIX_START;
|
||||
};
|
||||
|
||||
USB Usb;
|
||||
USBHub Hub(&Usb);
|
||||
HIDBoot<USB_HID_PROTOCOL_MOUSE> HidMouse(&Usb);
|
||||
|
||||
MouseRptParser Prs;
|
||||
#endif
|
||||
|
||||
static uint8_t potmouse_xcounter; ///< x axis counter
|
||||
static uint8_t potmouse_ycounter; ///< y axis counter
|
||||
|
||||
static volatile uint16_t ocr1a_load; ///< precalculated OCR1A value (YPOT)
|
||||
static volatile uint16_t ocr1b_load; ///< precalculated OCR1B value (XPOT)
|
||||
|
||||
void setup() {
|
||||
#ifdef DEBUG
|
||||
Serial.begin(115200);
|
||||
delay(200);
|
||||
Serial.println("Start");
|
||||
Serial.flush();
|
||||
#endif
|
||||
|
||||
#ifdef USBHOST
|
||||
if (Usb.Init() == -1) {
|
||||
#ifdef DEBUG
|
||||
Serial.println("OSC did not start.");
|
||||
#endif
|
||||
}
|
||||
delay(200);
|
||||
HidMouse.SetReportParser(0, &Prs);
|
||||
#endif
|
||||
|
||||
#ifdef DEBUG
|
||||
Serial.flush();
|
||||
delay(200);
|
||||
#endif
|
||||
|
||||
pinMode(LBTN, INPUT); pinMode(RBTN, INPUT);
|
||||
|
||||
pinMode(POTX, OUTPUT); pinMode(POTY, OUTPUT);
|
||||
digitalWrite(POTX, HIGH); digitalWrite(POTY, HIGH);
|
||||
pinMode(POTSENSE, INPUT); // pullup off, hi-biased by OC1A
|
||||
|
||||
potmouse_movt(0,0,0);
|
||||
|
||||
startTimers();
|
||||
|
||||
#ifndef USBHOST
|
||||
TIMSK0 = 0;
|
||||
#endif
|
||||
|
||||
}
|
||||
|
||||
void loop() {
|
||||
#ifdef USBHOST
|
||||
Usb.Task();
|
||||
if (update) {
|
||||
potmouse_movt(dx, dy, buttons);
|
||||
update = 0;
|
||||
}
|
||||
delayMicroseconds(200);
|
||||
#endif
|
||||
|
||||
#ifndef USBHOST
|
||||
potmouse_movt(0, 0, buttons);
|
||||
#endif
|
||||
|
||||
}
|
||||
|
||||
volatile uint8_t counter = 0;
|
||||
volatile uint8_t upd = 0;
|
||||
|
||||
void potmouse_movt(int16_t dx, int16_t dy, uint8_t button) {
|
||||
uint16_t a, b;
|
||||
|
||||
#ifndef USBHOST
|
||||
if (upd) {
|
||||
potmouse_xcounter++;
|
||||
potmouse_ycounter++;
|
||||
upd = 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
potmouse_xcounter = (potmouse_xcounter + (dx/2)) & 0177; // modulo 128
|
||||
potmouse_ycounter = (potmouse_ycounter - (dy/2)) & 0177;
|
||||
|
||||
//potmouse_xcounter = (millis()>>6) & 077; // modulo 64
|
||||
//potmouse_ycounter = (millis()>>6) & 077;
|
||||
|
||||
(button & 001) ? pinMode(LBTN, OUTPUT) : pinMode(LBTN, INPUT);
|
||||
(button & 002) ? pinMode(RBTN, OUTPUT) : pinMode(RBTN, INPUT);
|
||||
|
||||
// scale should be 2x here, but for this particular chip, 66 counts work better where
|
||||
// 64 counds should be. so 66/64=100/96 and times two
|
||||
//a = 320*2 + potmouse_xcounter*2*100/fix;
|
||||
//b = 320*2 + potmouse_ycounter*2*100/fix;
|
||||
//a = 320*2*100/fix + potmouse_xcounter*2;
|
||||
//b = 320*2*100/fix + potmouse_ycounter*2;
|
||||
a = 320*2 + potmouse_xcounter*2;
|
||||
b = 320*2 + potmouse_ycounter*2;
|
||||
|
||||
ocr1a_load = a;
|
||||
ocr1b_load = b;
|
||||
}
|
||||
|
||||
|
||||
// Start timer1, Input Capture setup
|
||||
// ICNC1: Input Capture Noise Canceller (Bit 7 of register TCCR1B)
|
||||
// ICES1: Input Capture Edge Select (Bit 6 of register TCCR1B) 0 = FALLING, 1 = RISING
|
||||
// CS12, CS11, CS10: Set prescaler (CS11 TIMER1: F_CPU/8)
|
||||
//#define START_TIMER1 TCCR1B = _BV(ICNC1) | _BV(CS11)
|
||||
#define START_TIMER1 TCCR1B = _BV(CS11)
|
||||
// CS32, CS31, CS30: Set prescaler (CS31 TIMER3: F_CPU/8)
|
||||
#define START_TIMER2 TCCR3B = _BV(CS31)
|
||||
|
||||
inline void startTimers() {
|
||||
#ifdef DEBUG
|
||||
Serial.println("startTimers"); Serial.flush();
|
||||
#endif
|
||||
cli();
|
||||
|
||||
// Prepare and start TIMER1
|
||||
TCCR1A = 0;
|
||||
TCCR1B = 0; // Stop TIMER1 (maybe already stopped)
|
||||
// ICF1: Timer/Counter Input Capture Flag
|
||||
// TOV1: Timer/Counter Overflow Flag
|
||||
TIFR1 = 0xff; //clear all pending TIMER1 interrupt flags
|
||||
// ICIE1: Timer/Counter Input Capture Interrupt Enable, ISR(TIMER1_CAPT_vect)
|
||||
// TOIE1: Timer/Counter Overflow Interrupt Enable
|
||||
TIMSK1 = _BV(ICIE1);
|
||||
|
||||
// Prepare and start TIMER2
|
||||
TCCR3A = 0;
|
||||
TCCR3B = 0; // Stop TIMER1 (maybe already stopped)
|
||||
TIMSK3 = 0; //Disable all TIMER2 interrupts
|
||||
TIFR3 = 0xff; //clear all pending TIMER2 interrupt flags
|
||||
|
||||
TCNT1 = 0;
|
||||
TCNT3 = 0;
|
||||
// start timers
|
||||
START_TIMER1;
|
||||
START_TIMER2;
|
||||
|
||||
sei();
|
||||
}
|
||||
|
||||
|
||||
|
||||
ISR(TIMER1_CAPT_vect) {
|
||||
// Now we little after start of SID reading process
|
||||
// Start moment is in ICR1L and time now is in TCNT2
|
||||
#ifdef DEBUG
|
||||
Serial.println("TIMER1_CAPT_vect:");
|
||||
#endif
|
||||
|
||||
#ifndef USBHOST
|
||||
counter++;
|
||||
counter &= 63;
|
||||
if (counter == 0) upd = 1;
|
||||
#endif
|
||||
|
||||
TCCR1B = 0; //stop timer1
|
||||
//TCCR3B = 0; //stop timer2
|
||||
TIFR1 = 0xff; //clear all timer1 interrupt flags
|
||||
TIFR3 = 0xff; //clear all timer1 interrupt flags
|
||||
|
||||
// clear OC1A/OC1B:
|
||||
// 1. set output compare to clear OC1A/OC1B ("10" in table 37 on page 97)
|
||||
TCCR1A = _BV(COM1A1) | _BV(COM1B1); // Clear OC1A / OC1B on Compare Match (Set output to low level).
|
||||
// 2. force output compare to make it happen (doesn't raise interrupts)
|
||||
TCCR1C |= _BV(FOC1A) | _BV(FOC1B); // FOC1A / FOC1B Force Output Compare A and B (that are in register TCCR1C)
|
||||
|
||||
// Set OC1A/OC1B on Compare Match (Set output to high level)
|
||||
// WGM13:0 = 00, normal mode: count from BOTTOM to MAX
|
||||
TCCR1A = _BV(COM1A1) | _BV(COM1A0) | _BV(COM1B1) | _BV(COM1B0); // Set OC1A / OC1B on Compare Match (Set output to high level).
|
||||
|
||||
// OCIE1A: Timer/Counter Output Compare Match Interrupt Enable A, ISR(TIMER1_COMPA_vect)
|
||||
TIMSK1 = _BV(OCIE1A);
|
||||
|
||||
// init the output compare values
|
||||
//OCR1A = 15625*2; // 16 000 000 / 1024 / 15625 = 1s
|
||||
//OCR1B = 15625/2;
|
||||
uint8_t a = ICR1L; // Input Capture Register 1 Low
|
||||
uint8_t b = TCNT3L; // now
|
||||
uint8_t c = b - a;
|
||||
OCR1A = ocr1a_load - c;
|
||||
OCR1B = ocr1b_load - c;
|
||||
//TEST!
|
||||
//OCR1A = ocr1a_load;
|
||||
//OCR1B = ocr1b_load;
|
||||
|
||||
#ifdef DEBUG
|
||||
Serial.print(c); Serial.print(" "); Serial.print(a); Serial.print(" "); Serial.println(b);
|
||||
Serial.flush();
|
||||
#endif
|
||||
|
||||
TCNT1 = 0;
|
||||
TCNT3 = 0;
|
||||
|
||||
// start timers
|
||||
START_TIMER1;
|
||||
START_TIMER2;
|
||||
}
|
||||
|
||||
ISR(TIMER1_COMPA_vect) {
|
||||
// now potx are sent. we don't know if poty is still in progress.
|
||||
|
||||
// OCIE1A: Timer/Counter Output Compare Match Interrupt Enable A
|
||||
TIMSK1 = 0; // disable TIMER1 interrupts (Compare Match Interrupt A)
|
||||
|
||||
#ifdef DEBUG
|
||||
Serial.println("TIMER1_COMPA_vect"); Serial.flush();
|
||||
#endif
|
||||
|
||||
TIMSK1 = _BV(ICIE1); // OCIE1A: Timer/Counter Output Compare Match Interrupt Enable A
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user