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.
137 lines
3.5 KiB
137 lines
3.5 KiB
/*
|
|
Plib based joystick server based on PLIBs js_demo.cxx
|
|
|
|
js_server is Copyright (C) 2003
|
|
by Stephen Lowry and Manuel Bessler
|
|
|
|
PLIB - A Suite of Portable Game Libraries
|
|
Copyright (C) 2001 Steve Baker
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
For further information visit http://plib.sourceforge.net
|
|
|
|
*/
|
|
|
|
#include <math.h>
|
|
#include <memory>
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
|
|
#include <plib/netSocket.h>
|
|
|
|
#include "FlightGear_js.h"
|
|
|
|
void usage(char* progname)
|
|
{
|
|
printf("This is an UDP based remote joystick server.\n");
|
|
printf("usage: %s <hostname> <port>\n", progname);
|
|
}
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
int port = 16759;
|
|
char* host; /* = "192.168.1.7"; */
|
|
int activeaxes = 4;
|
|
|
|
if (argc != 3) {
|
|
usage(argv[0]);
|
|
exit(1);
|
|
}
|
|
host = argv[1];
|
|
port = atoi(argv[2]);
|
|
|
|
jsInit();
|
|
|
|
auto js = std::make_unique<jsJoystick>(0);
|
|
|
|
if (js->notWorking()) {
|
|
printf("no Joystick detected... exitting\n");
|
|
exit(1);
|
|
}
|
|
printf("Joystick is \"%s\"\n", js->getName());
|
|
|
|
int numaxes = js->getNumAxes();
|
|
auto ax = std::make_unique<float[]>(numaxes);
|
|
activeaxes = numaxes;
|
|
|
|
if (numaxes > 4) {
|
|
printf("max 4 axes joysticks supported at the moment, however %i axes were detected\nWill only use the first 4 axes!\n", numaxes);
|
|
activeaxes = 4;
|
|
}
|
|
|
|
// Must call this before any other net stuff
|
|
netInit(&argc, argv);
|
|
|
|
netSocket c;
|
|
|
|
if (!c.open(false)) { // open a UDP socket
|
|
printf("error opening socket\n");
|
|
return -1;
|
|
}
|
|
|
|
c.setBlocking(false);
|
|
|
|
if (c.connect(host, port) == -1) {
|
|
printf("error connecting to %s:%d\n", host, port);
|
|
return -1;
|
|
}
|
|
|
|
char packet[256] = "Hello world!";
|
|
while (1) {
|
|
int b;
|
|
int len = 0;
|
|
int axis = 0;
|
|
|
|
js->read(&b, ax.get());
|
|
for (axis = 0; axis < activeaxes; axis++) {
|
|
int32_t axisvalue = (int32_t)(ax[axis] * 2147483647.0);
|
|
printf("axisval=%li\n", (long)axisvalue);
|
|
memcpy(packet + len, &axisvalue, sizeof(axisvalue));
|
|
len += sizeof(axisvalue);
|
|
}
|
|
// fill emtpy values into packes when less than 4 axes
|
|
for (; axis < 4; axis++) {
|
|
int32_t axisvalue = 0;
|
|
memcpy(packet + len, &axisvalue, sizeof(axisvalue));
|
|
len += sizeof(axisvalue);
|
|
}
|
|
|
|
int32_t b_l = b;
|
|
memcpy(packet + len, &b_l, sizeof(b_l));
|
|
len += sizeof(b_l);
|
|
|
|
const char* termstr = "\0\0\r\n";
|
|
memcpy(packet + len, termstr, 4);
|
|
len += 4;
|
|
|
|
c.send(packet, len, 0);
|
|
|
|
/* give other processes a chance */
|
|
|
|
#ifdef _WIN32
|
|
Sleep(1);
|
|
#elif defined(sgi)
|
|
sginap(1);
|
|
#else
|
|
usleep(200);
|
|
#endif
|
|
printf(".");
|
|
fflush(stdout);
|
|
}
|
|
|
|
return 0;
|
|
}
|