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Create RetroJoystickAdapter_PlaystationAnalog.ino

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mcgurk 2016-09-09 08:08:44 +03:00 committed by GitHub
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commit 19c835fd09
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RetroJoystickAdapter_PlaystationAnalog.ino Normal file
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#include "Joystick.h"
//http://www.gamesx.com/controldata/psxcont/psxcont.htm
#define DATA 2
#define CMD 3
#define ATT 4
#define CLK 5
//#define DEBUG
byte shift(byte dataOut, uint8_t readmode = 0) { // Does the actual shifting, both in and out
byte dataIn = 0;
byte delay = 10;
for (uint8_t i = 0; i <= 7; i++) {
digitalWrite(CMD, bitRead(dataOut,i));
digitalWrite(CLK, LOW);
delayMicroseconds(delay);
if (digitalRead(DATA)) bitSet(dataIn, i);
digitalWrite(CLK, HIGH);
delayMicroseconds(delay);
}
return dataIn;
}
uint8_t type;
uint8_t ready;
uint8_t btngrp1;
uint8_t btngrp2;
uint8_t analog1;
uint8_t analog2;
uint8_t analog3;
uint8_t analog4;
void debug() {
Serial.print("d1: ");
Serial.print(type,HEX);
Serial.print(", ");
Serial.print("d2: ");
Serial.print(ready,HEX);
Serial.print(", ");
Serial.print("d3: ");
Serial.print(btngrp1,HEX);
Serial.print(", ");
Serial.print("d4: ");
Serial.print(btngrp2,HEX);
Serial.print(", ");
Serial.print("d5: ");
Serial.print(analog1,HEX);
Serial.print(", ");
Serial.print("d6: ");
Serial.print(analog2,HEX);
Serial.print(", ");
Serial.print("d7: ");
Serial.print(analog3,HEX);
Serial.print(", ");
Serial.print("d8: ");
Serial.println(analog4,HEX);
}
void readJoysticks() {
digitalWrite(ATT, LOW);
shift(0x01);
type = shift(0x42); //type (0x41 / 0x73)
ready = shift(0xFF); //ready (0x5a)
btngrp1 = shift(0xFF);
btngrp2 = shift(0xFF);
if (type == 0x73) {
analog1 = shift(0xFF);
analog2 = shift(0xFF);
analog3 = shift(0xFF);
analog4 = shift(0xFF);
}
digitalWrite(ATT, HIGH);
delayMicroseconds(1000);
#ifdef DEBUG
debug();
delay(100);
#endif
}
//btngrp1
#define LEFT 0x80
#define DOWN 0x40
#define RIGHT 0x20
#define UP 0x10
#define START 0x08
#define JOYR 0x04
#define JOYL 0x02
#define SELECT 0x01
//btngrp2
#define SQUARE 0x80
#define X 0x40
#define O 0x20
#define TRIANGLE 0x10
#define R1 0x08
#define L1 0x04
#define R2 0x02
#define L2 0x01
void interpretJoystickState_analog() {
Joystick.setXAxis( ((signed int)analog3)-127 );
Joystick.setYAxis( ((signed int)analog4)-127 );
Joystick.setXAxisRotation( (analog1*1.4) );
Joystick.setYAxisRotation( (255-analog2)*1.4 );
Joystick.setButton(0, !(btngrp1&START) ); //BUTTON1 (Start)
Joystick.setButton(1, !(btngrp1&SELECT) ); //BUTTON2 (Select)
Joystick.setButton(2, !(btngrp2&X) ); //BUTTON3 (A)
Joystick.setButton(3, !(btngrp2&O) ); //BUTTON4 (B)
Joystick.setButton(4, !(btngrp2&SQUARE) ); //BUTTON5 (X)
Joystick.setButton(5, !(btngrp2&TRIANGLE) ); //BUTTON6 (Y)
Joystick.setButton(6, !(btngrp2&L2) ); //BUTTON7 (LB)
Joystick.setButton(7, !(btngrp2&R2) ); //BUTTON8 (RB)
Joystick.setButton(8, !(btngrp2&L1) ); //BUTTON9 (LT)
Joystick.setButton(9, !(btngrp2&R1) ); //BUTTON10 (RT)
Joystick.setButton(10, !(btngrp1&JOYL) ); //BUTTON11 (Left Thumb)
Joystick.setButton(11, !(btngrp1&JOYR) ); //BUTTON12 (Right Thumb)
Joystick.setHatSwitch(0,-1);
if ( !(btngrp1&UP) ) Joystick.setHatSwitch(0,0); //UP
if ( !(btngrp1&DOWN) ) Joystick.setHatSwitch(0,180); //DOWN
if ( !(btngrp1&LEFT) ) Joystick.setHatSwitch(0,270); //LEFT
if ( !(btngrp1&RIGHT) ) Joystick.setHatSwitch(0,90); //RIGHT
}
void interpretJoystickState() {
Joystick.setYAxis(0);
Joystick.setXAxis(0);
if ( !(btngrp1&UP) ) Joystick.setYAxis(-127); //UP
if ( !(btngrp1&DOWN) ) Joystick.setYAxis(127); //DOWN
if ( !(btngrp1&LEFT) ) Joystick.setXAxis(-127); //LEFT
if ( !(btngrp1&RIGHT) ) Joystick.setXAxis(127); //RIGHT
Joystick.setButton(0, !(btngrp1&START) ); //BUTTON1 (Start)
Joystick.setButton(1, !(btngrp1&SELECT) ); //BUTTON2 (Select)
Joystick.setButton(2, !(btngrp2&X) ); //BUTTON3 (A)
Joystick.setButton(3, !(btngrp2&O) ); //BUTTON4 (B)
Joystick.setButton(4, !(btngrp2&SQUARE) ); //BUTTON5 (X)
Joystick.setButton(5, !(btngrp2&TRIANGLE) ); //BUTTON6 (Y)
Joystick.setButton(6, !(btngrp2&L2) ); //BUTTON7 (LB)
Joystick.setButton(7, !(btngrp2&R2) ); //BUTTON8 (RB)
Joystick.setButton(8, !(btngrp2&L1) ); //BUTTON9 (LT)
Joystick.setButton(9, !(btngrp2&R1) ); //BUTTON10 (RT)
Joystick.setXAxisRotation(180);
Joystick.setYAxisRotation(180);
Joystick.setHatSwitch(0,-1);
Joystick.setButton(10, 0);
Joystick.setButton(11, 0);
}
void setup() {
pinMode(DATA, INPUT_PULLUP);
pinMode(CMD, OUTPUT);
pinMode(ATT, OUTPUT);
pinMode(CLK, OUTPUT);
Joystick.begin(false);
#ifdef DEBUG
Serial.begin(9600);
#endif
}
void loop() {
readJoysticks();
if (type == 0x73) {
interpretJoystickState_analog();
}
else {
interpretJoystickState();
}
Joystick.sendState();
}