You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
296 lines
9.1 KiB
296 lines
9.1 KiB
|
|
//https://www.cs.cmu.edu/~chuck/infopg/segasix.txt |
|
|
|
//DB9 (8=GND, 5=VCC): 1 2 3 4 5 6 7 8 9 |
|
const uint8_t inputPinsPort1[] = { 2, 3, 4, 5, 6, 7, 8, 0, 9}; |
|
const uint8_t inputPinsPort2[] = {10, 16, 14, 15, A0, A1, A2, 0, A3}; |
|
|
|
// if you use two DB9 connectors solded back to back on your ATmega32u4, you should use this inputs |
|
//const uint8_t inputPinsPort1[] = { 2, 3, 4, 5, 6, 7, 8, 0, 9}; |
|
//const uint8_t inputPinsPort2[] = {15, A0, A1, A2, A3, 14, 16, 0, 10}; |
|
|
|
// yet another version (Images/sega_genesis_adapter.jpg) |
|
//const uint8_t inputPinsPort1[] = { 5, 6, 7, 8, 9, 4, 2, 0, A2}; |
|
//const uint8_t inputPinsPort2[] = {10, 16, 14, 15, A0, 3, A3, 0, A1}; |
|
|
|
|
|
//#define DEBUG |
|
|
|
inline void translateState(uint8_t *data, uint8_t *state) { |
|
state[0] = ~data[0]; |
|
state[1] = 127; |
|
state[2] = 127; |
|
if (!bitRead(data[1], 0)) state[2] = 0; /* up */ |
|
if (!bitRead(data[1], 1)) state[2] = 255; /* down */ |
|
if (!bitRead(data[1], 2)) state[1] = 0; /* left */ |
|
if (!bitRead(data[1], 3)) state[1] = 255; /* right */ |
|
} |
|
|
|
uint8_t J1BTN6 = 0; |
|
uint8_t J2BTN6 = 0; |
|
|
|
uint8_t plugged1 = 0; |
|
uint8_t plugged2 = 0; |
|
|
|
#include "HID.h" |
|
|
|
#if ARDUINO < 10606 |
|
#error The Joystick2 library requires Arduino IDE 1.6.6 or greater. Please update your IDE. |
|
#endif |
|
|
|
#if !defined(USBCON) |
|
#error The Joystick2 library can only be used with a USB MCU (e.g. Arduino Leonardo, Arduino Micro, etc.). |
|
#endif |
|
|
|
#if !defined(_USING_HID) |
|
#error "legacy HID core (non pluggable)" |
|
#endif |
|
|
|
#define JOYSTICK_REPORT_ID 0x04 |
|
#define JOYSTICK2_REPORT_ID 0x05 |
|
|
|
#define JOYSTICK_DATA_SIZE 2 |
|
#define JOYSTICK_STATE_SIZE 3 |
|
|
|
|
|
//================================================================================ |
|
//================================================================================ |
|
// Joystick (Gamepad) |
|
|
|
|
|
#define HIDDESC_MACRO(REPORT_ID) \ |
|
/* Joystick # */ \ |
|
0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */ \ |
|
0x09, 0x04, /* USAGE (Joystick) */ \ |
|
0xa1, 0x01, /* COLLECTION (Application) */ \ |
|
0x85, REPORT_ID, /* REPORT_ID */ \ |
|
/* 8 Buttons */ \ |
|
0x05, 0x09, /* USAGE_PAGE (Button) */ \ |
|
0x19, 0x01, /* USAGE_MINIMUM (Button 1) */ \ |
|
0x29, 0x08, /* USAGE_MAXIMUM (Button 8) */ \ |
|
0x15, 0x00, /* LOGICAL_MINIMUM (0) */ \ |
|
0x25, 0x01, /* LOGICAL_MAXIMUM (1) */ \ |
|
0x75, 0x01, /* REPORT_SIZE (1) */ \ |
|
0x95, 0x08, /* REPORT_COUNT (8) */ \ |
|
0x81, 0x02, /* INPUT (Data,Var,Abs) */ \ |
|
/* X and Y Axis */ \ |
|
0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */ \ |
|
0x09, 0x01, /* USAGE (Pointer) */ \ |
|
0xA1, 0x00, /* COLLECTION (Physical) */ \ |
|
0x09, 0x30, /* USAGE (x) */ \ |
|
0x09, 0x31, /* USAGE (y) */ \ |
|
0x15, 0x00, /* LOGICAL_MINIMUM (0) */ \ |
|
0x26, 0xff, 0x00, /* LOGICAL_MAXIMUM (255) */ \ |
|
0x75, 0x08, /* REPORT_SIZE (8) */ \ |
|
0x95, 0x02, /* REPORT_COUNT (2) */ \ |
|
0x81, 0x02, /* INPUT (Data,Var,Abs) */ \ |
|
0xc0, /* END_COLLECTION */ \ |
|
0xc0 /* END_COLLECTION */ |
|
|
|
|
|
|
|
|
|
static const uint8_t hidReportDescriptor[] PROGMEM = { |
|
HIDDESC_MACRO(JOYSTICK_REPORT_ID), |
|
HIDDESC_MACRO(JOYSTICK2_REPORT_ID) |
|
}; |
|
|
|
|
|
class Joystick_ { |
|
|
|
private: |
|
uint8_t joystickId; |
|
uint8_t reportId; |
|
uint8_t olddata[JOYSTICK_DATA_SIZE]; |
|
uint8_t state[JOYSTICK_STATE_SIZE]; |
|
uint8_t flag; |
|
|
|
public: |
|
uint8_t type; |
|
uint8_t data[JOYSTICK_DATA_SIZE]; |
|
|
|
Joystick_(uint8_t initJoystickId, uint8_t initReportId) { |
|
// Setup HID report structure |
|
static bool usbSetup = false; |
|
|
|
if (!usbSetup) { |
|
static HIDSubDescriptor node(hidReportDescriptor, sizeof(hidReportDescriptor)); |
|
HID().AppendDescriptor(&node); |
|
usbSetup = true; |
|
} |
|
|
|
// Initalize State |
|
joystickId = initJoystickId; |
|
reportId = initReportId; |
|
|
|
data[0] = 0; |
|
data[1] = 0; |
|
memcpy(olddata, data, JOYSTICK_DATA_SIZE); |
|
translateState(data, state); |
|
sendState(1); |
|
} |
|
|
|
void updateState() { |
|
if (memcmp(olddata, data, JOYSTICK_DATA_SIZE)) { |
|
memcpy(olddata, data, JOYSTICK_DATA_SIZE); |
|
translateState(data, state); |
|
flag = 1; |
|
} |
|
} |
|
|
|
void sendState(uint8_t force = 0) { |
|
if (flag || force) { |
|
// HID().SendReport(Report number, array of values in same order as HID descriptor, length) |
|
HID().SendReport(reportId, state, JOYSTICK_STATE_SIZE); |
|
flag = 0; |
|
} |
|
} |
|
|
|
}; |
|
|
|
|
|
Joystick_ Joystick[2] = |
|
{ |
|
Joystick_(0, JOYSTICK_REPORT_ID), |
|
Joystick_(1, JOYSTICK2_REPORT_ID) |
|
}; |
|
|
|
//================================================================================ |
|
//================================================================================ |
|
|
|
#define MODE_SELECT_PORT1 inputPinsPort1[6] |
|
#define MODE_SELECT_PORT2 inputPinsPort2[6] |
|
#define VCC_PORT1 inputPinsPort1[4] |
|
#define VCC_PORT2 inputPinsPort2[4] |
|
|
|
void modeSelect(uint8_t m) { |
|
digitalWrite(MODE_SELECT_PORT1, m); |
|
digitalWrite(MODE_SELECT_PORT2, m); |
|
delayMicroseconds(20); |
|
} |
|
|
|
|
|
void setup() { |
|
for (uint8_t i = 0; i < 9; i++) { |
|
if (inputPinsPort1[i] != 0 && i != 4 && i != 6) |
|
pinMode(inputPinsPort1[i], INPUT_PULLUP); |
|
if (inputPinsPort2[i] != 0 && i != 4 && i != 6) |
|
pinMode(inputPinsPort2[i], INPUT_PULLUP); |
|
} //without PULLUP every button are read as pressed down if controller is not connected. |
|
|
|
pinMode(VCC_PORT1, OUTPUT); |
|
pinMode(VCC_PORT2, OUTPUT); |
|
digitalWrite(VCC_PORT1, HIGH); |
|
digitalWrite(VCC_PORT2, HIGH); |
|
|
|
pinMode(MODE_SELECT_PORT1, OUTPUT); |
|
pinMode(MODE_SELECT_PORT2, OUTPUT); |
|
modeSelect(HIGH); |
|
|
|
#ifdef DEBUG |
|
Serial.begin(9600); |
|
#endif |
|
|
|
} |
|
|
|
|
|
|
|
void loop() { |
|
|
|
Joystick[0].data[0] = 0xff; |
|
Joystick[1].data[0] = 0xff; |
|
Joystick[0].data[1] = 0xff; |
|
Joystick[1].data[1] = 0xff; |
|
|
|
modeSelect(LOW); |
|
|
|
bitWrite(Joystick[0].data[1], 6, digitalRead(inputPinsPort1[2])); //detect1 j1 |
|
bitWrite(Joystick[0].data[1], 7, digitalRead(inputPinsPort1[3])); //detect2 j1 |
|
bitWrite(Joystick[1].data[1], 6, digitalRead(inputPinsPort2[2])); //detect1 j2 |
|
bitWrite(Joystick[1].data[1], 7, digitalRead(inputPinsPort2[3])); //detect2 j2 |
|
|
|
bitWrite(Joystick[0].data[0], 0, digitalRead(inputPinsPort1[5])); //A1 |
|
bitWrite(Joystick[0].data[0], 3, digitalRead(inputPinsPort1[8])); //Start1 |
|
bitWrite(Joystick[1].data[0], 0, digitalRead(inputPinsPort2[5])); //A2 |
|
bitWrite(Joystick[1].data[0], 3, digitalRead(inputPinsPort2[8])); //Start2 |
|
|
|
modeSelect(HIGH); |
|
|
|
for (uint8_t i = 0; i < 4; i++) { |
|
bitWrite(Joystick[0].data[1], i, digitalRead(inputPinsPort1[i])); //AXES1 |
|
bitWrite(Joystick[1].data[1], i, digitalRead(inputPinsPort2[i])); //AXES2 |
|
} |
|
|
|
bitWrite(Joystick[0].data[0], 1, digitalRead(inputPinsPort1[5])); //B1 |
|
bitWrite(Joystick[0].data[0], 2, digitalRead(inputPinsPort1[8])); //C1 |
|
bitWrite(Joystick[1].data[0], 1, digitalRead(inputPinsPort2[5])); //B2 |
|
bitWrite(Joystick[1].data[0], 2, digitalRead(inputPinsPort2[8])); //C2 |
|
|
|
|
|
//read X,Y,Z,mode |
|
modeSelect(LOW); |
|
modeSelect(HIGH); |
|
modeSelect(LOW); |
|
modeSelect(HIGH); |
|
if (J1BTN6) { |
|
bitWrite(Joystick[0].data[0], 4, digitalRead(inputPinsPort1[2])); //X1 |
|
bitWrite(Joystick[0].data[0], 5, digitalRead(inputPinsPort1[1])); //Y1 |
|
bitWrite(Joystick[0].data[0], 6, digitalRead(inputPinsPort1[0])); //Z1 |
|
bitWrite(Joystick[0].data[0], 7, digitalRead(inputPinsPort1[3])); //mode |
|
} |
|
if (J2BTN6) { |
|
bitWrite(Joystick[1].data[0], 4, digitalRead(inputPinsPort2[2])); //X1 |
|
bitWrite(Joystick[1].data[0], 5, digitalRead(inputPinsPort2[1])); //Y1 |
|
bitWrite(Joystick[1].data[0], 6, digitalRead(inputPinsPort2[0])); //Z1 |
|
bitWrite(Joystick[1].data[0], 7, digitalRead(inputPinsPort2[3])); //mode |
|
} |
|
|
|
|
|
//detect button mode and detect if controller is unplugged |
|
uint8_t detect1 = !(Joystick[0].data[1] & B11000000); |
|
if (!plugged1 && detect1) { |
|
plugged1 = 1; |
|
digitalWrite(VCC_PORT1, LOW); |
|
delay(100); |
|
digitalWrite(VCC_PORT1, HIGH); |
|
if (!digitalRead(inputPinsPort1[0]) && !digitalRead(inputPinsPort1[1])) J1BTN6 = 1; |
|
} |
|
if (!detect1) { |
|
plugged1 = 0; |
|
J1BTN6 = 0; |
|
} |
|
|
|
//detect button mode and detect if controller is unplugged |
|
uint8_t detect2 = !(Joystick[1].data[1] & B11000000); |
|
if (!plugged2 && detect2) { |
|
plugged2 = 1; |
|
digitalWrite(VCC_PORT2, LOW); |
|
delay(100); |
|
digitalWrite(VCC_PORT2, HIGH); |
|
if (!digitalRead(inputPinsPort2[0]) && !digitalRead(inputPinsPort2[1])) J2BTN6 = 1; |
|
} |
|
if (!detect2) { |
|
plugged2 = 0; |
|
J2BTN6 = 0; |
|
} |
|
|
|
#ifdef DEBUG |
|
Serial.print(" data0 j1: 0x"); Serial.print(Joystick[0].data[0], HEX); |
|
Serial.print(" data0 j2: 0x"); Serial.print(Joystick[1].data[0], HEX); |
|
Serial.print(" data1 j1: 0x"); Serial.print(Joystick[0].data[1], HEX); |
|
Serial.print(" data1 j2: 0x"); Serial.print(Joystick[1].data[1], HEX); |
|
Serial.print(" 6btn j1: 0x"); Serial.print(J1BTN6, HEX); |
|
Serial.print(" 6btn j2: 0x"); Serial.print(J2BTN6, HEX); |
|
Serial.println(); |
|
delay(50); |
|
Serial.flush(); |
|
#endif |
|
|
|
Joystick[0].updateState(); |
|
Joystick[1].updateState(); |
|
Joystick[0].sendState(); |
|
Joystick[1].sendState(); |
|
delayMicroseconds(1000); |
|
|
|
|
|
}
|
|
|