mirror of
https://github.com/mcgurk/Arduino-USB-HID-RetroJoystickAdapter
synced 2024-11-28 12:02:15 -05:00
425 lines
9.5 KiB
C++
425 lines
9.5 KiB
C++
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#include <PS2KeyRaw.h>
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#define DATAPIN 3
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#define IRQPIN 2
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//#define DEBUG
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//#define COMMANDO
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//#define DECATHLON
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#define UP1 0x75
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#define DOWN1 0x72
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#define LEFT1 0x6B
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#define RIGHT1 0x74
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#define START1 0x16
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#define SELECT1 0x26
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#define A1 0x12
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#define B1 0x1A
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#define C1 0x22
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#define X1 0x14
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#define Y1 0x11
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#define Z1 0x29
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#define L1 0x21
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#define R1 0x2E
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#define UP2 0x2D
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#define DOWN2 0x2B
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#define LEFT2 0x23
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#define RIGHT2 0x34
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#define START2 0x1E
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#define SELECT2 0x25
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#define A2 0x1D
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#define B2 0x24
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#define C2 0x54
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#define X2 0x1C
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#define Y2 0x1B
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#define Z2 0x15
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#define L2 0x5B
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#define R2 0x36
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inline void translateState(uint8_t *data, uint8_t *state) {
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state[0] = data[0];
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state[1] = data[1];
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state[2] = 127;
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state[3] = 127;
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if (bitRead(data[2], 2)) state[2] = 0; /* up */
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if (bitRead(data[2], 3)) state[2] = 255; /* down */
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if (bitRead(data[2], 0)) state[3] = 0; /* left */
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if (bitRead(data[2], 1)) state[3] = 255; /* right */
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}
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#include "HID.h"
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#if ARDUINO < 10606
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#error The Joystick2 library requires Arduino IDE 1.6.6 or greater. Please update your IDE.
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#endif
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#if !defined(USBCON)
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#error The Joystick2 library can only be used with a USB MCU (e.g. Arduino Leonardo, Arduino Micro, etc.).
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#endif
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#if !defined(_USING_HID)
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#error "legacy HID core (non pluggable)"
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#endif
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#define JOYSTICK_REPORT_ID 0x04
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#define JOYSTICK2_REPORT_ID 0x05
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#define JOYSTICK_DATA_SIZE 3
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#define JOYSTICK_STATE_SIZE 4
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//================================================================================
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//================================================================================
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// Joystick (Gamepad)
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#define HIDDESC_MACRO(REPORT_ID) \
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/* Joystick # */ \
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0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */ \
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0x09, 0x04, /* USAGE (Joystick) */ \
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0xa1, 0x01, /* COLLECTION (Application) */ \
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0x85, REPORT_ID, /* REPORT_ID */ \
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/* 8 Buttons */ \
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0x05, 0x09, /* USAGE_PAGE (Button) */ \
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0x19, 0x01, /* USAGE_MINIMUM (Button 1) */ \
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0x29, 0x10, /* USAGE_MAXIMUM (Button 16) */ \
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0x15, 0x00, /* LOGICAL_MINIMUM (0) */ \
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0x25, 0x01, /* LOGICAL_MAXIMUM (1) */ \
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0x75, 0x01, /* REPORT_SIZE (1) */ \
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0x95, 0x10, /* REPORT_COUNT (16) */ \
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0x81, 0x02, /* INPUT (Data,Var,Abs) */ \
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/* X and Y Axis */ \
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0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */ \
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0x09, 0x01, /* USAGE (Pointer) */ \
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0xA1, 0x00, /* COLLECTION (Physical) */ \
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0x09, 0x30, /* USAGE (x) */ \
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0x09, 0x31, /* USAGE (y) */ \
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0x15, 0x00, /* LOGICAL_MINIMUM (0) */ \
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0x26, 0xff, 0x00, /* LOGICAL_MAXIMUM (255) */ \
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0x75, 0x08, /* REPORT_SIZE (8) */ \
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0x95, 0x02, /* REPORT_COUNT (2) */ \
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0x81, 0x02, /* INPUT (Data,Var,Abs) */ \
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0xc0, /* END_COLLECTION */ \
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0xc0 /* END_COLLECTION */
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static const uint8_t hidReportDescriptor[] PROGMEM = {
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HIDDESC_MACRO(JOYSTICK_REPORT_ID),
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HIDDESC_MACRO(JOYSTICK2_REPORT_ID)
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};
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class Joystick_ {
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private:
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uint8_t joystickId;
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uint8_t reportId;
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uint8_t olddata[JOYSTICK_DATA_SIZE];
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uint8_t state[JOYSTICK_STATE_SIZE];
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uint8_t flag;
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public:
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uint8_t type;
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uint8_t data[JOYSTICK_DATA_SIZE];
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Joystick_(uint8_t initJoystickId, uint8_t initReportId) {
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// Setup HID report structure
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static bool usbSetup = false;
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if (!usbSetup) {
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static HIDSubDescriptor node(hidReportDescriptor, sizeof(hidReportDescriptor));
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HID().AppendDescriptor(&node);
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usbSetup = true;
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}
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// Initalize State
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joystickId = initJoystickId;
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reportId = initReportId;
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data[0] = 0;
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data[1] = 0;
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data[2] = 0;
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memcpy(olddata, data, JOYSTICK_DATA_SIZE);
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translateState(data, state);
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sendState(1);
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}
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void updateState() {
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if (memcmp(olddata, data, JOYSTICK_DATA_SIZE)) {
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memcpy(olddata, data, JOYSTICK_DATA_SIZE);
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translateState(data, state);
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flag = 1;
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}
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}
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void sendState(uint8_t force = 0) {
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if (flag || force) {
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// HID().SendReport(Report number, array of values in same order as HID descriptor, length)
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HID().SendReport(reportId, state, JOYSTICK_STATE_SIZE);
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flag = 0;
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}
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}
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void updateAndSendState() {
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translateState(data, state);
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HID().SendReport(reportId, state, JOYSTICK_STATE_SIZE);
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}
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};
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Joystick_ Joystick[2] =
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{
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Joystick_(0, JOYSTICK_REPORT_ID),
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Joystick_(1, JOYSTICK2_REPORT_ID)
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};
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//================================================================================
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//================================================================================
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PS2KeyRaw keyboard;
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void setup() {
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keyboard.begin(DATAPIN, IRQPIN);
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#ifdef DEBUG
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Serial.begin(115200);
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Serial.println( "PS2 Raw Test of PS2 Keyboard codes" );
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#endif
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Joystick[0].data[0] = 0x00;
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Joystick[0].data[1] = 0x00;
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Joystick[0].data[2] = 0x00;
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Joystick[1].data[0] = 0x00;
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Joystick[1].data[1] = 0x00;
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Joystick[1].data[2] = 0x00;
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}
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void loop() {
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if (keyboard.available()) {
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// read the next key
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int c = keyboard.read();
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uint8_t j;
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if (c == 0xF0) {
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#ifdef DEBUG
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Serial.print("0x"); Serial.print(c, HEX); Serial.print(" ");
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#endif
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while (!keyboard.available()) {}
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c = keyboard.read();
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#ifdef DEBUG
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Serial.print("0x"); Serial.println(c, HEX);
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#endif
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j = clearData(c);
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} else {
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#ifdef DEBUG
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Serial.print("0x"); Serial.println(c, HEX);
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#endif
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j = setData(c);
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}
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#ifdef DEBUG
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Serial.print(" data0 j1: 0x"); Serial.print(Joystick[0].data[0], HEX);
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Serial.print(" data1 j1: 0x"); Serial.print(Joystick[0].data[1], HEX);
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Serial.print(" data2 j1: 0x"); Serial.print(Joystick[0].data[2], HEX);
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Serial.print(" data0 j2: 0x"); Serial.print(Joystick[1].data[0], HEX);
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Serial.print(" data1 j2: 0x"); Serial.print(Joystick[1].data[1], HEX);
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Serial.print(" data2 j2: 0x"); Serial.print(Joystick[1].data[2], HEX);
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Serial.println();
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Serial.flush();
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#endif
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//Joystick[j].updateState();
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//Joystick[j].sendState();
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Joystick[j].updateAndSendState();
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}
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}
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#define SET(j,d,b) bitSet(Joystick[j].data[d], b); return j
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#define UNSET(j,d,b) bitClear(Joystick[j].data[d], b); return j
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#ifdef COMMANDO
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#define L1_SET SET(1, 1, 0)
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#define L1_UNSET UNSET(1, 1, 0)
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#define R1_SET SET(1, 1, 1)
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#define R1_UNSET UNSET(1, 1, 1)
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#define L2_SET SET(0, 1, 0)
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#define L2_UNSET UNSET(0, 1, 0)
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#define R2_SET SET(0, 1, 1)
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#define R2_UNSET UNSET(0, 1, 1)
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#endif
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#ifdef DECATHLON
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#define L1_SET SET(0, 2, 2)
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#define L1_UNSET UNSET(0, 2, 2)
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#define R1_SET SET(0, 2, 3)
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#define R1_UNSET UNSET(0, 2, 3)
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#define L2_SET SET(1, 2, 2)
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#define L2_UNSET UNSET(1, 2, 2)
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#define R2_SET SET(1, 2, 3)
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#define R2_UNSET UNSET(1, 2, 3)
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#endif
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inline uint8_t setData(uint8_t c) {
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switch (c) {
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case A1:
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SET(0, 0, 0);
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case B1:
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SET(0, 0, 1);
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case C1:
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SET(0, 0, 2);
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case X1:
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SET(0, 0, 3);
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case Y1:
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SET(0, 0, 4);
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case Z1:
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SET(0, 0, 5);
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case START1:
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SET(0, 0, 6);
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case SELECT1:
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SET(0, 0, 7);
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case L1:
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#ifdef L1_SET
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L1_SET;
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#else
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SET(0, 1, 0);
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#endif
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case R1:
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#ifdef R1_SET
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R1_SET;
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#else
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SET(0, 1, 1);
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#endif
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case UP1:
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SET(0, 2, 0);
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case DOWN1:
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SET(0, 2, 1);
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case LEFT1:
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SET(0, 2, 2);
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case RIGHT1:
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SET(0, 2, 3);
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case A2:
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SET(1, 0, 0);
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case B2:
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SET(1, 0, 1);
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case C2:
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SET(1, 0, 2);
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case X2:
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SET(1, 0, 3);
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case Y2:
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SET(1, 0, 4);
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case Z2:
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SET(1, 0, 5);
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case START2:
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SET(1, 0, 6);
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case SELECT2:
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SET(1, 0, 7);
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case L2:
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#ifdef L2_SET
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L2_SET;
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#else
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SET(1, 1, 0);
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#endif
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case R2:
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#ifdef R2_SET
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R2_SET;
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#else
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SET(1, 1, 1);
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#endif
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case UP2:
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SET(1, 2, 0);
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case DOWN2:
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SET(1, 2, 1);
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case LEFT2:
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SET(1, 2, 2);
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case RIGHT2:
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SET(1, 2, 3);
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}
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}
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inline uint8_t clearData(uint8_t c) {
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switch (c) {
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case A1:
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UNSET(0, 0, 0);
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case B1:
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UNSET(0, 0, 1);
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case C1:
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UNSET(0, 0, 2);
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case X1:
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UNSET(0, 0, 3);
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case Y1:
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UNSET(0, 0, 4);
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case Z1:
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UNSET(0, 0, 5);
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case START1:
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UNSET(0, 0, 6);
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case SELECT1:
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UNSET(0, 0, 7);
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case L1:
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#ifdef L1_UNSET
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L1_UNSET;
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#else
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UNSET(0, 1, 0);
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#endif
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case R1:
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#ifdef R1_UNSET
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R1_UNSET;
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#else
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UNSET(0, 1, 1);
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#endif
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case UP1:
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UNSET(0, 2, 0);
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case DOWN1:
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UNSET(0, 2, 1);
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case LEFT1:
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UNSET(0, 2, 2);
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case RIGHT1:
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UNSET(0, 2, 3);
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case A2:
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UNSET(1, 0, 0);
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case B2:
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UNSET(1, 0, 1);
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case C2:
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UNSET(1, 0, 2);
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case X2:
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UNSET(1, 0, 3);
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case Y2:
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UNSET(1, 0, 4);
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case Z2:
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UNSET(1, 0, 5);
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case START2:
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UNSET(1, 0, 6);
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case SELECT2:
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UNSET(1, 0, 7);
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case L2:
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#ifdef L2_UNSET
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L2_UNSET;
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#else
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UNSET(1, 1, 0);
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#endif
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case R2:
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#ifdef R2_UNSET
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R2_UNSET;
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#else
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UNSET(1, 1, 1);
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#endif
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case UP2:
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UNSET(1, 2, 0);
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case DOWN2:
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UNSET(1, 2, 1);
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case LEFT2:
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UNSET(1, 2, 2);
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case RIGHT2:
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UNSET(1, 2, 3);
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}
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}
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