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.
175 lines
5.2 KiB
175 lines
5.2 KiB
//DB9-connector: |
|
//C64/Sega Mastersystem: 1 = up, 2 = down, 3 = left, 4 = right, 6 = btn1, 8 = gnd, 9 = btn2 |
|
//MSX: 1 = up, 2 = down, 3 = left, 4 = right, 6 = btn1, 7 = btn2, 8 = gnd |
|
|
|
// define pins of Arduino: UP, DOWN, LEFT, RIGHT, BTN1, BTN2 |
|
const uint8_t inputPinsPort1[] = { 5, 6, 7, 8, 4, A2}; |
|
const uint8_t inputPinsPort2[] = { 10, 16, 14, 15, 3, A1}; |
|
|
|
//#define DEBUG |
|
|
|
inline void translateState(uint8_t data, uint8_t *state) { |
|
state[0] = !bitRead(data, 4) | !bitRead(data, 5)<<1; |
|
state[1] = 127; |
|
state[2] = 127; |
|
if (!bitRead(data, 0)) state[2] = 0; /* up */ |
|
if (!bitRead(data, 1)) state[2] = 255; /* down */ |
|
if (!bitRead(data, 2)) state[1] = 0; /* left */ |
|
if (!bitRead(data, 3)) state[1] = 255; /* right */ |
|
} |
|
|
|
#include "HID.h" |
|
|
|
#define JOYSTICK_REPORT_ID 0x04 |
|
#define JOYSTICK2_REPORT_ID 0x05 |
|
|
|
#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 */ \ |
|
/* 2 Buttons */ \ |
|
0x05, 0x09, /* USAGE_PAGE (Button) */ \ |
|
0x19, 0x01, /* USAGE_MINIMUM (Button 1) */ \ |
|
0x29, 0x02, /* USAGE_MAXIMUM (Button 2) */ \ |
|
0x15, 0x00, /* LOGICAL_MINIMUM (0) */ \ |
|
0x25, 0x01, /* LOGICAL_MAXIMUM (1) */ \ |
|
0x75, 0x01, /* REPORT_SIZE (1) */ \ |
|
0x95, 0x08, /* REPORT_COUNT (8) (full byte) */ \ |
|
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; |
|
uint8_t state[JOYSTICK_STATE_SIZE]; |
|
uint8_t flag; |
|
|
|
public: |
|
uint8_t type; |
|
uint8_t data; |
|
|
|
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; |
|
olddata = data; |
|
translateState(data, state); |
|
sendState(1); |
|
} |
|
|
|
void updateState() { |
|
if (olddata != data) { |
|
olddata = data; |
|
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) |
|
}; |
|
|
|
//================================================================================ |
|
//================================================================================ |
|
|
|
void setup() { |
|
//set all DB9-connector input signal pins as inputs with pullups |
|
for (uint8_t i = 0; i < 6; i++) { |
|
pinMode(inputPinsPort1[i], INPUT_PULLUP); |
|
pinMode(inputPinsPort2[i], INPUT_PULLUP); |
|
} |
|
|
|
#ifdef DEBUG |
|
Serial.begin(115200); |
|
#endif |
|
|
|
} |
|
|
|
|
|
void loop() { |
|
|
|
Joystick[0].data = 0xff; |
|
Joystick[1].data = 0xff; |
|
|
|
for (uint8_t i = 0; i < 4; i++) { |
|
bitWrite(Joystick[0].data, i, digitalRead(inputPinsPort1[i])); //AXES1 |
|
bitWrite(Joystick[1].data, i, digitalRead(inputPinsPort2[i])); //AXES2 |
|
} |
|
|
|
bitWrite(Joystick[0].data, 4, digitalRead(inputPinsPort1[4])); //JOY1:FIRE1 |
|
bitWrite(Joystick[0].data, 5, digitalRead(inputPinsPort1[5])); //JOY1:FIRE2 |
|
bitWrite(Joystick[1].data, 4, digitalRead(inputPinsPort2[4])); //JOY2:FIRE1 |
|
bitWrite(Joystick[1].data, 5, digitalRead(inputPinsPort2[5])); //JOY2:FIRE2 |
|
|
|
|
|
#ifdef DEBUG |
|
Serial.print(" data0 j1: 0x"); Serial.print(Joystick[0].data, BIN); |
|
Serial.print(" data0 j2: 0x"); Serial.print(Joystick[1].data, BIN); |
|
Serial.println(); |
|
delay(50); |
|
Serial.flush(); |
|
#endif |
|
|
|
Joystick[0].updateState(); |
|
Joystick[1].updateState(); |
|
Joystick[0].sendState(); |
|
Joystick[1].sendState(); |
|
delayMicroseconds(500); |
|
|
|
}
|
|
|