int main(int argc, char *argv[]) {
uint8_t ctr = 0;
GPAD_ST gpads[GPADSNUM];
BTN_DEV_ST button;
int16_t clockpin;
int16_t strobepin;
int16_t data1pin;
int16_t data2pin;
int16_t clockpin_v2;
int16_t strobepin_v2;
int16_t data1pin_v2;
int16_t data2pin_v2;
if (!bcm2835_init())
return 1;
if (readConfigurationfile() != 0 ) {
return 1;
}
if (strcmp(confres.adapter_version,"1x")==0) {
clockpin = RPI_GPIO_P1_19;
strobepin = RPI_GPIO_P1_23;
data1pin = RPI_GPIO_P1_05;
data2pin = RPI_GPIO_P1_07;
clockpin_v2 = RPI_V2_GPIO_P1_19;
strobepin_v2 = RPI_V2_GPIO_P1_23;
data1pin_v2 = RPI_V2_GPIO_P1_05;
data2pin_v2 = RPI_V2_GPIO_P1_07;
printf("[SNESDev-Rpi] Using pin setup for RetroPie GPIO-Adapter Version 1.X\n");
} else if (strcmp(confres.adapter_version,"2x")==0) {
clockpin = RPI_GPIO_P1_16;
strobepin = RPI_GPIO_P1_18;
data1pin = RPI_GPIO_P1_15;
data2pin = RPI_GPIO_P1_13;
clockpin_v2 = RPI_V2_GPIO_P1_16;
strobepin_v2 = RPI_V2_GPIO_P1_18;
data1pin_v2 = RPI_V2_GPIO_P1_15;
data2pin_v2 = RPI_V2_GPIO_P1_13;
printf("[SNESDev-Rpi] Using pin setup for RetroPie GPIO-Adapter Version 2.X\n");
} else {
clockpin = RPI_GPIO_P1_16;
strobepin = RPI_GPIO_P1_18;
data1pin = RPI_GPIO_P1_15;
data2pin = RPI_GPIO_P1_13;
clockpin_v2 = RPI_V2_GPIO_P1_16;
strobepin_v2 = RPI_V2_GPIO_P1_18;
data1pin_v2 = RPI_V2_GPIO_P1_15;
data2pin_v2 = RPI_V2_GPIO_P1_13;
printf("[SNESDev-Rpi] Using pin setup for RetroPie GPIO-Adapter Version 2.X\n");
}
if (confres.gamepad1_enabled || confres.gamepad2_enabled) {
gpads[0].port = 1;
gpads[1].port = 1;
// check board revision and set pins to be used
// these are acutally also used by the gamecon driver
if (get_rpi_revision()==1)
{
gpads[0].pin_clock = clockpin;
gpads[0].pin_strobe = strobepin;
gpads[0].pin_data = data1pin;
gpads[1].pin_clock = clockpin;
gpads[1].pin_strobe = strobepin;
gpads[1].pin_data = data2pin;
} else {
gpads[0].pin_clock = clockpin_v2;
gpads[0].pin_strobe = strobepin_v2;
gpads[0].pin_data = data1pin_v2;
gpads[1].pin_clock = clockpin_v2;
gpads[1].pin_strobe = strobepin_v2;
gpads[1].pin_data = data2pin_v2;
}
if (strcmp(confres.gamepad1_type,"nes")==0) {
gpads[0].type = GPAD_TYPE_NES;
} else {
gpads[0].type = GPAD_TYPE_SNES;
}
if (strcmp(confres.gamepad2_type,"nes")==0) {
gpads[1].type = GPAD_TYPE_NES;
} else {
gpads[1].type = GPAD_TYPE_SNES;
}
if (confres.gamepad1_enabled) {
printf("[SNESDev-Rpi] Enabling game pad 1 with type '%s'.\n", confres.gamepad1_type);
gpad_open(&gpads[0]);
switch (gpads->type) {
case GPAD_TYPE_SNES:
uinput_gpad_open(&uinp_gpads[0], UINPUT_GPAD_TYPE_SNES);
break;
case GPAD_TYPE_NES:
uinput_gpad_open(&uinp_gpads[0], UINPUT_GPAD_TYPE_NES);
break;
default:
break;
}
}
if (confres.gamepad2_enabled) {
printf("[SNESDev-Rpi] Enabling game pad 2 with type '%s'.\n", confres.gamepad2_type);
gpad_open(&gpads[1]);
switch (gpads->type) {
case GPAD_TYPE_SNES:
uinput_gpad_open(&uinp_gpads[1], UINPUT_GPAD_TYPE_SNES);
break;
case GPAD_TYPE_NES:
uinput_gpad_open(&uinp_gpads[1], UINPUT_GPAD_TYPE_NES);
break;
default:
break;
}
}
}
if (confres.button_enabled) {
printf("[SNESDev-Rpi] Enabling button.\n");
button.port = 1;
if (get_rpi_revision()==1) {
button.pin = BUTTONPIN;
} else {
button.pin = BUTTONPIN_V2;
}
btn_open(&button);
uinput_kbd_open(&uinp_kbd);
}
register_signalhandlers();
///* enter the main loop */
doRun = 1;
while (doRun) {
if (confres.gamepad1_enabled || confres.gamepad2_enabled) {
/* read states of the buttons */
for (ctr = 0; ctr < GPADSNUM; ctr++) {
gpad_read(&gpads[ctr]);
}
///* send an event (pressed or released) for each button */
for (ctr = 0; ctr < GPADSNUM; ctr++) {
if ((ctr==0 && !(confres.gamepad1_enabled)) ||
(ctr==1 && !(confres.gamepad2_enabled))) {
continue;
}
gpad_read(&gpads[ctr]);
processPadBtn(gpads[ctr].state, EV_KEY, GPAD_SNES_A, BTN_A,
&uinp_gpads[ctr]);
processPadBtn(gpads[ctr].state, EV_KEY, GPAD_SNES_B, BTN_B,
&uinp_gpads[ctr]);
processPadBtn(gpads[ctr].state, EV_KEY, GPAD_SNES_X, BTN_X,
&uinp_gpads[ctr]);
processPadBtn(gpads[ctr].state, EV_KEY, GPAD_SNES_Y, BTN_Y,
&uinp_gpads[ctr]);
processPadBtn(gpads[ctr].state, EV_KEY, GPAD_SNES_L, BTN_TL,
&uinp_gpads[ctr]);
processPadBtn(gpads[ctr].state, EV_KEY, GPAD_SNES_R, BTN_TR,
&uinp_gpads[ctr]);
processPadBtn(gpads[ctr].state, EV_KEY, GPAD_SNES_SELECT,
BTN_SELECT, &uinp_gpads[ctr]);
processPadBtn(gpads[ctr].state, EV_KEY, GPAD_SNES_START,
BTN_START, &uinp_gpads[ctr]);
if ((gpads[ctr].state & GPAD_SNES_LEFT) == GPAD_SNES_LEFT) {
uinput_gpad_write(&uinp_gpads[ctr], ABS_X, 0, EV_ABS);
} else if ((gpads[ctr].state & GPAD_SNES_RIGHT) == GPAD_SNES_RIGHT) {
uinput_gpad_write(&uinp_gpads[ctr], ABS_X, 4, EV_ABS);
} else {
uinput_gpad_write(&uinp_gpads[ctr], ABS_X, 2, EV_ABS);
}
if ((gpads[ctr].state & GPAD_SNES_UP) == GPAD_SNES_UP) {
uinput_gpad_write(&uinp_gpads[ctr], ABS_Y, 0, EV_ABS);
} else if ((gpads[ctr].state & GPAD_SNES_DOWN) == GPAD_SNES_DOWN) {
uinput_gpad_write(&uinp_gpads[ctr], ABS_Y, 4, EV_ABS);
} else {
uinput_gpad_write(&uinp_gpads[ctr], ABS_Y, 2, EV_ABS);
}
}
}
if (confres.button_enabled) {
btn_read(&button);
switch (button.state) {
case BTN_STATE_IDLE:
break;
case BTN_STATE_PRESSED:
if (button.pressedCtr == 1 && button.duration >= 1) {
uinput_kbd_write(&uinp_kbd, KEY_R, 1, EV_KEY);
}
break;
case BTN_STATE_RELEASED:
if (button.pressedCtr == 1 && button.duration >= 1) {
uinput_kbd_write(&uinp_kbd, KEY_R, 0, EV_KEY);
} else if (button.pressedCtr == 3 && button.duration >= 1) {
// Sending ESC
uinput_kbd_write(&uinp_kbd, KEY_ESC, 1, EV_KEY);
usleep(50000);
uinput_kbd_write(&uinp_kbd, KEY_ESC, 0, EV_KEY);
} else if (button.pressedCtr == 5 && button.duration >= 1) {
uinput_kbd_write(&uinp_kbd, KEY_F4, 1, EV_KEY);
usleep(50000);
uinput_kbd_write(&uinp_kbd, KEY_F4, 0, EV_KEY);
// shutting down
system("shutdown -t 3 -h now");
}
break;
}
}
/* wait for some time to keep the CPU load low */
if (confres.button_enabled && !(confres.gamepad1_enabled || confres.gamepad2_enabled)) {
bcm2835_delay(FRAMEWAITLONG);
} else {
bcm2835_delay(FRAMEWAIT);
}
}
return 0;
}
int main(int argc, char* argv[]) {
int result = 0;
int rd, ctr, combo = 0, use_combos = 1;
char keyStates[256];
int detach = 0;
int opt;
while ((opt = getopt(argc, argv, "+dsc")) != -1) {
switch (opt) {
case 'd':
detach = 1;
break;
case 's':
use_syslog = 1;
break;
case 'c':
printf("Combos disabled\n");
use_combos = 0;
break;
default:
fprintf(stderr, "Usage: %s [-d] [-s]\n", argv[0]);
exit(EXIT_FAILURE);
break;
}
}
SYSLOG(LOG_NOTICE, "Starting.");
printf("[Xarcade2Joystick] Getting exclusive access: ");
result = input_xarcade_open(&xarcdev, INPUT_XARC_TYPE_TANKSTICK);
if (result != 0) {
if (errno == 0) {
printf("Not found.\n");
SYSLOG(LOG_ERR, "Xarcade not found, exiting.");
} else {
printf("Failed to get exclusive access to Xarcade: %d (%s)\n", errno, strerror(errno));
SYSLOG(LOG_ERR, "Failed to get exclusive access to Xarcade, exiting: %d (%s)", errno, strerror(errno));
}
exit(EXIT_FAILURE);
}
SYSLOG(LOG_NOTICE, "Got exclusive access to Xarcade.");
uinput_gpad_open(&uinp_gpads[0], UINPUT_GPAD_TYPE_XARCADE, 1);
uinput_gpad_open(&uinp_gpads[1], UINPUT_GPAD_TYPE_XARCADE, 2);
uinput_kbd_open(&uinp_kbd);
if (detach) {
if (daemon(0, 1)) {
perror("daemon");
return 1;
}
}
signal(SIGINT, signal_handler);
signal(SIGTERM, signal_handler);
SYSLOG(LOG_NOTICE, "Running.");
while (1) {
rd = input_xarcade_read(&xarcdev);
if (rd < 0) {
break;
}
for (ctr = 0; ctr < rd; ctr++) {
if (xarcdev.ev[ctr].type == 0)
continue;
if (xarcdev.ev[ctr].type == EV_MSC)
continue;
if (EV_KEY == xarcdev.ev[ctr].type) {
keyStates[xarcdev.ev[ctr].code] = xarcdev.ev[ctr].value;
switch (xarcdev.ev[ctr].code) {
/* ---------------- Player 1 controls ------------------- */
/* buttons */
case KEY_LEFTCTRL:
uinput_gpad_write(&uinp_gpads[0], BTN_A,
xarcdev.ev[ctr].value > 0, EV_KEY);
break;
case KEY_LEFTALT:
uinput_gpad_write(&uinp_gpads[0], BTN_B,
xarcdev.ev[ctr].value > 0, EV_KEY);
break;
case KEY_SPACE:
uinput_gpad_write(&uinp_gpads[0], BTN_C,
xarcdev.ev[ctr].value > 0, EV_KEY);
break;
case KEY_LEFTSHIFT:
uinput_gpad_write(&uinp_gpads[0], BTN_X,
xarcdev.ev[ctr].value > 0, EV_KEY);
break;
case KEY_Z:
uinput_gpad_write(&uinp_gpads[0], BTN_Y,
xarcdev.ev[ctr].value > 0, EV_KEY);
break;
case KEY_X:
uinput_gpad_write(&uinp_gpads[0], BTN_Z,
xarcdev.ev[ctr].value > 0, EV_KEY);
break;
case KEY_C:
uinput_gpad_write(&uinp_gpads[0], BTN_TL,
xarcdev.ev[ctr].value > 0, EV_KEY);
break;
case KEY_5:
uinput_gpad_write(&uinp_gpads[0], BTN_TR,
xarcdev.ev[ctr].value > 0, EV_KEY);
break;
case KEY_1:
if (!use_combos)
uinput_gpad_write(&uinp_gpads[0], BTN_START, xarcdev.ev[ctr].value > 0, EV_KEY);
else {
/* handle combination */
if (keyStates[KEY_3] && xarcdev.ev[ctr].value) {
uinput_kbd_write(&uinp_kbd, KEY_TAB, 1, EV_KEY);
uinput_kbd_sleep();
uinput_kbd_write(&uinp_kbd, KEY_TAB, 0, EV_KEY);
combo = 2;
continue;
}
/* it's a key down, ignore */
if (xarcdev.ev[ctr].value)
continue;
if (!combo) {
uinput_gpad_write(&uinp_gpads[0], BTN_START, 1, EV_KEY);
uinput_gpad_sleep();
uinput_gpad_write(&uinp_gpads[0], BTN_START, 0, EV_KEY);
} else
combo--;
}
break;
case KEY_3:
if (!use_combos)
uinput_gpad_write(&uinp_gpads[0], BTN_SELECT,
xarcdev.ev[ctr].value > 0, EV_KEY);
else {
/* it's a key down, ignore */
if (xarcdev.ev[ctr].value)
continue;
if (!combo) {
uinput_gpad_write(&uinp_gpads[0], BTN_SELECT, 1, EV_KEY);
uinput_gpad_sleep();
uinput_gpad_write(&uinp_gpads[0], BTN_SELECT, 0, EV_KEY);
} else
combo--;
}
break;
/* joystick */
case KEY_KP4:
case KEY_LEFT:
uinput_gpad_write(&uinp_gpads[0], ABS_X,
xarcdev.ev[ctr].value == 0 ? 2 : 0, EV_ABS); // center or left
break;
case KEY_KP6:
case KEY_RIGHT:
uinput_gpad_write(&uinp_gpads[0], ABS_X,
xarcdev.ev[ctr].value == 0 ? 2 : 4, EV_ABS); // center or right
break;
case KEY_KP8:
case KEY_UP:
uinput_gpad_write(&uinp_gpads[0], ABS_Y,
xarcdev.ev[ctr].value == 0 ? 2 : 0, EV_ABS); // center or up
break;
case KEY_KP2:
case KEY_DOWN:
uinput_gpad_write(&uinp_gpads[0], ABS_Y,
xarcdev.ev[ctr].value == 0 ? 2 : 4, EV_ABS); // center or down
break;
/* ---------------- Player 2 controls ------------------- */
/* buttons */
case KEY_A:
uinput_gpad_write(&uinp_gpads[1], BTN_A,
xarcdev.ev[ctr].value > 0, EV_KEY);
break;
case KEY_S:
uinput_gpad_write(&uinp_gpads[1], BTN_B,
xarcdev.ev[ctr].value > 0, EV_KEY);
break;
case KEY_Q:
uinput_gpad_write(&uinp_gpads[1], BTN_C,
xarcdev.ev[ctr].value > 0, EV_KEY);
break;
case KEY_W:
uinput_gpad_write(&uinp_gpads[1], BTN_X,
xarcdev.ev[ctr].value > 0, EV_KEY);
break;
case KEY_E:
uinput_gpad_write(&uinp_gpads[1], BTN_Y,
xarcdev.ev[ctr].value > 0, EV_KEY);
break;
case KEY_LEFTBRACE:
uinput_gpad_write(&uinp_gpads[1], BTN_Z,
xarcdev.ev[ctr].value > 0, EV_KEY);
break;
case KEY_RIGHTBRACE:
uinput_gpad_write(&uinp_gpads[1], BTN_TL,
xarcdev.ev[ctr].value > 0, EV_KEY);
break;
case KEY_6:
uinput_gpad_write(&uinp_gpads[1], BTN_TR,
xarcdev.ev[ctr].value > 0, EV_KEY);
break;
case KEY_2:
if (!use_combos)
uinput_gpad_write(&uinp_gpads[1], BTN_START, xarcdev.ev[ctr].value > 0, EV_KEY);
else {
/* handle combination */
if (keyStates[KEY_4] && xarcdev.ev[ctr].value) {
uinput_kbd_write(&uinp_kbd, KEY_ESC, 1, EV_KEY);
uinput_kbd_sleep();
uinput_kbd_write(&uinp_kbd, KEY_ESC, 0, EV_KEY);
combo = 2;
continue;
}
/* it's a key down, ignore */
if (xarcdev.ev[ctr].value)
continue;
if (!combo) {
uinput_gpad_write(&uinp_gpads[1], BTN_START, 1, EV_KEY);
uinput_gpad_sleep();
uinput_gpad_write(&uinp_gpads[1], BTN_START, 0, EV_KEY);
} else
combo--;
}
break;
case KEY_4:
if (!use_combos)
uinput_gpad_write(&uinp_gpads[1], BTN_SELECT, xarcdev.ev[ctr].value > 0, EV_KEY);
else {
/* it's a key down, ignore */
if (xarcdev.ev[ctr].value)
continue;
if (!combo) {
uinput_gpad_write(&uinp_gpads[1], BTN_SELECT, 1, EV_KEY);
uinput_gpad_sleep();
uinput_gpad_write(&uinp_gpads[1], BTN_SELECT, 0, EV_KEY);
} else
combo--;
}
break;
/* joystick */
case KEY_D:
uinput_gpad_write(&uinp_gpads[1], ABS_X,
xarcdev.ev[ctr].value == 0 ? 2 : 0, EV_ABS); // center or left
break;
case KEY_G:
uinput_gpad_write(&uinp_gpads[1], ABS_X,
xarcdev.ev[ctr].value == 0 ? 2 : 4, EV_ABS); // center or right
break;
case KEY_R:
uinput_gpad_write(&uinp_gpads[1], ABS_Y,
xarcdev.ev[ctr].value == 0 ? 2 : 0, EV_ABS); // center or up
break;
case KEY_F:
uinput_gpad_write(&uinp_gpads[1], ABS_Y,
xarcdev.ev[ctr].value == 0 ? 2 : 4, EV_ABS); // center or down
break;
default:
break;
}
}
}
}
teardown();
return EXIT_SUCCESS;
}
