mirror of
https://github.com/mcgurk/Arduino-USB-HID-RetroJoystickAdapter
synced 2024-11-22 00:52:22 -05:00
290 lines
9.1 KiB
C++
290 lines
9.1 KiB
C++
#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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#define JOYSTICK_REPORT_ID 0x03
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#define JOYSTICK2_REPORT_ID 0x04
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#define JOYSTICK3_REPORT_ID 0x05
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#define JOYSTICK4_REPORT_ID 0x06
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//================================================================================
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//================================================================================
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// Joystick (Gamepad)
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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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public:
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Joystick_(uint8_t initJoystickId, uint8_t initReportId);
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void sendState();
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int8_t xAxis;
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int8_t yAxis;
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uint16_t buttons;
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//void begin(bool initAutoSendState = true);
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//void end();
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//void setXAxis(int8_t value);
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//void setYAxis(int8_t value);
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//void setButton(uint8_t button, uint8_t value);
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//void pressButton(uint8_t button);
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//void releaseButton(uint8_t button);
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};
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#define JOYSTICK_STATE_SIZE 4
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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, 0x05, /* USAGE (Joystick) */ \
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0xA1, 0x02, /* COLLECTION (Logical) */ \
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0xA1, 0x01, /* COLLECTION (Application) */ \
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0x85, REPORT_ID, /* REPORT_ID */ \
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/* X and Y Axis */ \
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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,No Wrap,Linear,Preferred State,No Null Position) */ \
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/* 16 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,No Wrap,Linear,Preferred State,No Null Position) */ \
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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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HIDDESC_MACRO(JOYSTICK3_REPORT_ID),
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HIDDESC_MACRO(JOYSTICK4_REPORT_ID)
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};
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Joystick_::Joystick_(uint8_t initJoystickId, uint8_t initReportId)
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{
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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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{
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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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xAxis = 0;
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yAxis = 0;
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buttons = 0;
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sendState();
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}
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void Joystick_::sendState()
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{
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int8_t data[JOYSTICK_STATE_SIZE];
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uint16_t buttonTmp = buttons;
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// Split 16 bit button-state into 2 bytes
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data[2] = buttonTmp & 0xFF;
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buttonTmp >>= 8;
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data[3] = buttonTmp & 0xFF;
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data[0] = xAxis;
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data[1] = yAxis;
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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, data, JOYSTICK_STATE_SIZE);
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}
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Joystick_ Joystick[4] =
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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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Joystick_(2, JOYSTICK3_REPORT_ID),
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Joystick_(3, JOYSTICK4_REPORT_ID)
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};
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//================================================================================
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//================================================================================
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#define DATA1 2
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#define CMD1 3
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#define ATT1 4
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#define CLK1 5
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/*#define DATA2 6
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#define CMD2 7
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#define ATT2 8
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#define CLK2 9 */
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uint8_t shift(uint8_t _dataOut) // Does the actual shifting, both in and out simultaneously
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{
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uint8_t _temp = 0;
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uint8_t _dataIn = 0;
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uint8_t _delay = 25;//25;//20; //10; //4; //10; //with 15 unstable. meni epävakaaks 20:lläkin... //testaa kunnon kaapelilla uudestaan
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for (uint8_t _i = 0; _i <= 7; _i++) {
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if ( _dataOut & (1 << _i) ) // write bit
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digitalWrite(CMD1, HIGH);
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else
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digitalWrite(CMD1, LOW);
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digitalWrite(CLK1, LOW); // read bit
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delayMicroseconds(_delay);
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_temp = digitalRead(DATA1);
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if (_temp) {
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_dataIn = _dataIn | (B00000001 << _i);
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}
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digitalWrite(CLK1, HIGH);
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delayMicroseconds(_delay);
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}
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return _dataIn;
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}
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void setup() {
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pinMode(DATA1, INPUT_PULLUP);
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pinMode(CMD1, OUTPUT);
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pinMode(ATT1, OUTPUT);
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pinMode(CLK1, OUTPUT);
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/*pinMode(DATA2, INPUT_PULLUP);
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pinMode(CMD2, OUTPUT);
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pinMode(ATT2, OUTPUT);
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pinMode(CLK2, OUTPUT);*/
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Serial.begin(115200);
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}
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void loop() {
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// http://problemkaputt.de/psx-spx.htm#controllerandmemorycardsignals
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uint8_t head, type, padding, multitap, data1, data2, data3, data4, data5, data6;
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uint8_t data[100];
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delayMicroseconds(20);
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digitalWrite(ATT1, LOW);
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//digitalWrite(ATT2, LOW);
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delayMicroseconds(50);
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head = shift(0x01);
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type = shift(0x42);
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padding = shift(0x01); //read multitap in next read
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data1 = shift(0x00); //read
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data2 = shift(0x00);
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data3 = shift(0x00);
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data4 = shift(0x00);
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data5 = shift(0x00);
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data6 = shift(0x00);
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digitalWrite(ATT1, HIGH);
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//digitalWrite(ATT2, HIGH);
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Joystick[0].buttons = ~( (data1) | (data2 << 8) );
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//delayMicroseconds(160);
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//delay(16);
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/*Serial.print("head: 0x"); Serial.print(head, HEX); Serial.print(" type: 0x"); Serial.print(type, HEX); Serial.print(" padding: 0x"); Serial.print(padding, HEX);
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Serial.print(" data1: 0x"); Serial.print(data1, HEX); Serial.print(" "), Serial.print(data1, BIN);
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Serial.print(" data2: 0x"); Serial.print(data2, HEX); Serial.print(" "), Serial.print(data2, BIN);
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Serial.print(" rest: "); Serial.print(data3, DEC); Serial.print(" "); Serial.print(data4, DEC); Serial.print(" "); Serial.print(data5, DEC); Serial.print(" "); Serial.print(data6, DEC);
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Serial.println();*/
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// check and read multitap
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delayMicroseconds(20);
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digitalWrite(ATT1, LOW);
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delayMicroseconds(50);
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head = shift(0x01);
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multitap = shift(0x42);
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padding = shift(0x00); //next time normal read
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//padding = shift(0x01);
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//padding = shift(0x01);
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if (multitap == 0x80) {
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for (uint8_t i = 0; i < 4; i++) {
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type = shift(0x00); //controller ID
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padding = shift(0x00); //controller ID
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//type = shift(0x00); //controller ID
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//padding = shift(0x00); //controller ID
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data1 = shift(0x00); //buttons
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data2 = shift(0x00); //buttons
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data3 = shift(0x00); //left analog
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data4 = shift(0x00); //left analog
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data5 = shift(0x00); //right analog
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data6 = shift(0x00); //right analog
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if (type == 0x73) {
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Joystick[i].xAxis = data5;
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Joystick[i].yAxis = data6;
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} else {
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Joystick[i].xAxis = 128;
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Joystick[i].yAxis = 128;
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if (!bitRead(data1,4)) Joystick[i].yAxis = 0;
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if (!bitRead(data1,5)) Joystick[i].xAxis = 255;
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if (!bitRead(data1,6)) Joystick[i].yAxis = 255;
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if (!bitRead(data1,7)) Joystick[i].xAxis = 0;
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data1 = data1 | B11110000;
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}
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Joystick[i].buttons = ~( (data1) | (data2 << 8) );
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}
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}
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/*for (uint8_t i = 0; i < 8*4; i++) {
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data[i] = shift(0x00);
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}*/
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digitalWrite(ATT1, HIGH);
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/*Serial.print(" head/type/padding: 0x"); Serial.print(head, HEX);
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Serial.print(" 0x"); Serial.print(type, HEX);
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Serial.print(" 0x"); Serial.print(padding, HEX);
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Serial.print(" - ");
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for (uint8_t i = 0; i < 8*4; i++) {
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Serial.print(data[i], HEX); Serial.print(" ");
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}*/
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Serial.print(" data: 0x"); Serial.print(data1, HEX);
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Serial.print(" 0x"); Serial.print(data2, HEX);
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Serial.print(" 0x"); Serial.print(data3, HEX);
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Serial.print(" 0x"); Serial.print(data4, HEX);
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Serial.print(" 0x"); Serial.print(data5, HEX);
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Serial.print(" 0x"); Serial.print(data6, HEX);
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//Serial.print(" 0x"); Serial.print(data7, HEX);
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//Serial.print(" 0x"); Serial.print(data8, HEX);
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/*Serial.print("--head: 0x"); Serial.print(head, HEX); Serial.print(" type: 0x"); Serial.print(type, HEX); Serial.print(" padding: 0x"); Serial.print(padding, HEX);
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Serial.print(" data1: 0x"); Serial.print(data1, HEX); Serial.print(" "), Serial.print(data1, BIN);
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Serial.print(" data2: 0x"); Serial.print(data2, HEX); Serial.print(" "), Serial.print(data2, BIN);
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Serial.print(" rest: "); Serial.print(data3, DEC); Serial.print(" "); Serial.print(data4, DEC); Serial.print(" "); Serial.print(data5, DEC); Serial.print(" "); Serial.print(data6, DEC);*/
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Serial.println();
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Serial.flush();
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//Serial.print(" type2: "); Serial.print(type, HEX);
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//Serial.println();
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//delayMicroseconds(50);
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Joystick[0].sendState();
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Joystick[1].sendState();
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Joystick[2].sendState();
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Joystick[3].sendState();
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delay(50);
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}
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