mirror of
https://github.com/mcgurk/Arduino-USB-HID-RetroJoystickAdapter
synced 2024-11-13 12:45:01 -05:00
311 lines
8.5 KiB
C++
311 lines
8.5 KiB
C++
// https://github.com/SukkoPera/PsxNewLib
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// https://github.com/dmadison/ArduinoXInput
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#define XINPUT
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#ifdef XINPUT
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#include <XInput.h>
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#endif
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#ifndef XINPUT
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#define DEBUG
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#endif
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#include <DigitalIO.h>
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#include <PsxControllerHwSpi.h>
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#include <avr/pgmspace.h>
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typedef const __FlashStringHelper * FlashStr;
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typedef const byte* PGM_BYTES_P;
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#define PSTR_TO_F(s) reinterpret_cast<const __FlashStringHelper *> (s)
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// This can be changed freely but please see above
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const byte PIN_PS2_ATT = 10;
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const byte PIN_BUTTONPRESS = A0;
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const byte PIN_HAVECONTROLLER = A1;
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bool dirty = true;
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const char buttonSelectName[] PROGMEM = "Select";
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const char buttonL3Name[] PROGMEM = "L3";
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const char buttonR3Name[] PROGMEM = "R3";
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const char buttonStartName[] PROGMEM = "Start";
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const char buttonUpName[] PROGMEM = "Up";
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const char buttonRightName[] PROGMEM = "Right";
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const char buttonDownName[] PROGMEM = "Down";
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const char buttonLeftName[] PROGMEM = "Left";
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const char buttonL2Name[] PROGMEM = "L2";
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const char buttonR2Name[] PROGMEM = "R2";
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const char buttonL1Name[] PROGMEM = "L1";
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const char buttonR1Name[] PROGMEM = "R1";
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const char buttonTriangleName[] PROGMEM = "Triangle";
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const char buttonCircleName[] PROGMEM = "Circle";
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const char buttonCrossName[] PROGMEM = "Cross";
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const char buttonSquareName[] PROGMEM = "Square";
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#define PS_select (psxButtons & ( 1 << 0 ))
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#define PS_L3 (psxButtons & ( 1 << 1 ))
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#define PS_R3 (psxButtons & ( 1 << 2 ))
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#define PS_start (psxButtons & ( 1 << 3 ))
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#define PS_up (psxButtons & ( 1 << 4 ))
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#define PS_right (psxButtons & ( 1 << 5 ))
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#define PS_down (psxButtons & ( 1 << 6 ))
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#define PS_left (psxButtons & ( 1 << 7 ))
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#define PS_L2 (psxButtons & ( 1 << 8 ))
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#define PS_R2 (psxButtons & ( 1 << 9 ))
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#define PS_L1 (psxButtons & ( 1 << 10 ))
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#define PS_R1 (psxButtons & ( 1 << 11 ))
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#define PS_T (psxButtons & ( 1 << 12 ))
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#define PS_O (psxButtons & ( 1 << 13 ))
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#define PS_X (psxButtons & ( 1 << 14 ))
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#define PS_S (psxButtons & ( 1 << 15 ))
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#define PS_LX (((uint16_t)lx*257)-32768) // 0..255 -> -32768..32767
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#define PS_LY (((255-(uint16_t)ly)*257)-32768) // 0..255 -> 32767..-32768
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#define PS_RX (((uint16_t)rx*257)-32768) // 0..255 -> -32768..32767
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#define PS_RY (((255-(uint16_t)ry)*257)-32768) // 0..255 -> 32767..-32768
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//psxnelib: left-right: 0...255 down-up: 255...0, xinput: left-right: -32768..32767, down-up: 32767..-32768
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const char* const psxButtonNames[PSX_BUTTONS_NO] PROGMEM = {
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buttonSelectName,
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buttonL3Name,
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buttonR3Name,
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buttonStartName,
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buttonUpName,
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buttonRightName,
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buttonDownName,
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buttonLeftName,
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buttonL2Name,
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buttonR2Name,
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buttonL1Name,
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buttonR1Name,
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buttonTriangleName,
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buttonCircleName,
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buttonCrossName,
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buttonSquareName
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};
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byte psxButtonToIndex (PsxButtons psxButtons) {
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byte i;
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for (i = 0; i < PSX_BUTTONS_NO; ++i) {
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if (psxButtons & 0x01) {
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break;
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}
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psxButtons >>= 1U;
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}
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return i;
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}
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FlashStr getButtonName (PsxButtons psxButton) {
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FlashStr ret = F("");
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byte b = psxButtonToIndex (psxButton);
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if (b < PSX_BUTTONS_NO) {
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PGM_BYTES_P bName = reinterpret_cast<PGM_BYTES_P> (pgm_read_ptr (&(psxButtonNames[b])));
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ret = PSTR_TO_F (bName);
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}
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return ret;
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}
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void dumpButtons (PsxButtons psxButtons) {
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static PsxButtons lastB = 0;
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if (psxButtons != lastB) {
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lastB = psxButtons; // Save it before we alter it
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#ifdef DEBUG
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Serial.print (F("Pressed: "));
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for (byte i = 0; i < PSX_BUTTONS_NO; ++i) {
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byte b = psxButtonToIndex (psxButtons);
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if (b < PSX_BUTTONS_NO) {
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PGM_BYTES_P bName = reinterpret_cast<PGM_BYTES_P> (pgm_read_ptr (&(psxButtonNames[b])));
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Serial.print (PSTR_TO_F (bName));
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}
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psxButtons &= ~(1 << b);
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if (psxButtons != 0) {
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Serial.print (F(", "));
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}
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}
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Serial.println ();
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#endif
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#ifdef XINPUT
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if (PS_select) XInput.press(BUTTON_BACK); else XInput.release(BUTTON_BACK); //btn_7
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if (PS_start) XInput.press(BUTTON_START); else XInput.release(BUTTON_START); //btn_8
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if (PS_L3) XInput.press(BUTTON_L3); else XInput.release(BUTTON_L3); //btn_9
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if (PS_R3) XInput.press(BUTTON_R3); else XInput.release(BUTTON_R3); //btn_10
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XInput.setDpad(PS_up, PS_down, PS_left, PS_right);
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if (PS_X) XInput.press(BUTTON_A); else XInput.release(BUTTON_A); //btn_1
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if (PS_O) XInput.press(BUTTON_B); else XInput.release(BUTTON_B); //btn_2
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if (PS_S) XInput.press(BUTTON_X); else XInput.release(BUTTON_X); //btn_3
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if (PS_T) XInput.press(BUTTON_Y); else XInput.release(BUTTON_Y); //btn_4
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if (PS_L1) XInput.press(BUTTON_LB); else XInput.release(BUTTON_LB); //btn_5
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if (PS_R1) XInput.press(BUTTON_RB); else XInput.release(BUTTON_RB); //btn_6
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if (PS_L2) XInput.setTrigger(TRIGGER_LEFT, 255); else XInput.setTrigger(TRIGGER_LEFT, 0);
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if (PS_R2) XInput.setTrigger(TRIGGER_RIGHT, 255); else XInput.setTrigger(TRIGGER_RIGHT, 0);
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dirty = true;
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#endif
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}
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}
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void dumpAnalog (const char *str, const byte x, const byte y) {
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#ifdef DEBUG
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Serial.print (str);
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Serial.print (F(" analog: x = "));
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Serial.print (x);
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Serial.print (F(", y = "));
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Serial.println (y);
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#endif
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}
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const char ctrlTypeUnknown[] PROGMEM = "Unknown";
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const char ctrlTypeDualShock[] PROGMEM = "Dual Shock";
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const char ctrlTypeDsWireless[] PROGMEM = "Dual Shock Wireless";
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const char ctrlTypeGuitHero[] PROGMEM = "Guitar Hero";
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const char ctrlTypeOutOfBounds[] PROGMEM = "(Out of bounds)";
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const char* const controllerTypeStrings[PSCTRL_MAX + 1] PROGMEM = {
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ctrlTypeUnknown,
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ctrlTypeDualShock,
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ctrlTypeDsWireless,
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ctrlTypeGuitHero,
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ctrlTypeOutOfBounds
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};
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PsxControllerHwSpi<PIN_PS2_ATT> psx;
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boolean haveController = false;
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void setup () {
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fastPinMode (PIN_BUTTONPRESS, OUTPUT);
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fastPinMode (PIN_HAVECONTROLLER, OUTPUT);
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delay (300);
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#ifdef DEBUG
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Serial.begin (115200);
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while(!Serial);
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Serial.println (F("Ready!"));
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#endif
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#ifdef XINPUT
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XInput.setAutoSend(false);
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XInput.begin();
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#endif
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}
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void loop () {
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static byte slx, sly, srx, sry;
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fastDigitalWrite (PIN_HAVECONTROLLER, haveController);
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if (!haveController) {
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if (psx.begin ()) {
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#ifdef DEBUG
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Serial.println (F("Controller found!"));
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#endif
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delay (300);
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if (!psx.enterConfigMode ()) {
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#ifdef DEBUG
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Serial.println (F("Cannot enter config mode"));
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#endif
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} else {
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PsxControllerType ctype = psx.getControllerType ();
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PGM_BYTES_P cname = reinterpret_cast<PGM_BYTES_P> (pgm_read_ptr (&(controllerTypeStrings[ctype < PSCTRL_MAX ? static_cast<byte> (ctype) : PSCTRL_MAX])));
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#ifdef DEBUG
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Serial.print (F("Controller Type is: "));
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Serial.println (PSTR_TO_F (cname));
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#endif
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if (!psx.enableAnalogSticks ()) {
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#ifdef DEBUG
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Serial.println (F("Cannot enable analog sticks"));
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#endif
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}
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//~ if (!psx.setAnalogMode (false)) {
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//~ Serial.println (F("Cannot disable analog mode"));
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//~ }
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//~ delay (10);
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if (!psx.enableAnalogButtons ()) {
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#ifdef DEBUG
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Serial.println (F("Cannot enable analog buttons"));
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#endif
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}
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if (!psx.exitConfigMode ()) {
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#ifdef DEBUG
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Serial.println (F("Cannot exit config mode"));
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#endif
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}
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}
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haveController = true;
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}
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} else {
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if (!psx.read ()) {
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#ifdef DEBUG
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Serial.println (F("Controller lost :("));
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#endif
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haveController = false;
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} else {
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fastDigitalWrite (PIN_BUTTONPRESS, !!psx.getButtonWord ());
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dumpButtons (psx.getButtonWord ());
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byte lx, ly;
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psx.getLeftAnalog (lx, ly);
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if (lx != slx || ly != sly) {
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dumpAnalog ("Left", lx, ly);
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#ifdef XINPUT
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XInput.setJoystick(JOY_LEFT, PS_LX, PS_LY); //psxnelib: left-right: 0...255 down-up: 255...0, xinput: left-right: -32768..32767, down-up: 32767..-32768
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dirty = true;
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#endif
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slx = lx;
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sly = ly;
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}
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byte rx, ry;
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psx.getRightAnalog (rx, ry);
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if (rx != srx || ry != sry) {
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dumpAnalog ("Right", rx, ry);
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#ifdef XINPUT
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XInput.setJoystick(JOY_RIGHT, PS_RX, PS_RY); //psxnelib: left-right: 0...255 down-up: 255...0, xinput: left-right: -32768..32767, down-up: 32767..-32768
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dirty = true;
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#endif
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srx = rx;
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sry = ry;
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}
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}
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}
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//delay (1000 / 60);
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#ifdef XINPUT
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if (dirty) {
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XInput.send();
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dirty = false;
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}
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#endif
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//delayMicroseconds(1000);
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delay(10);
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}
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