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Added support for /dev/joy* on Free/Net/OpenBSD (thanks Christian!)

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--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%40777
This commit is contained in:
Sam Lantinga 2004-01-06 04:07:12 +00:00
parent 956f6b50f8
commit 5c66c75895
1 changed files with 75 additions and 5 deletions
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80
src/joystick/bsd/SDL_sysjoystick.c
View file

@ -57,6 +57,11 @@ static char rcsid =
#ifdef __FreeBSD__
#include <osreldate.h>
#include <sys/joystick.h>
#endif
#if defined(__NetBSD__) || defined(__OpenBSD__)
#include <machine/joystick.h>
#endif
#include "SDL_error.h"
@ -139,8 +144,8 @@ SDL_SYS_JoystickInit(void)
SDL_numjoysticks = 0;
memset(joynames, NULL, sizeof(joynames));
memset(joydevnames, NULL, sizeof(joydevnames));
memset(joynames, 0, sizeof(joynames));
memset(joydevnames, 0, sizeof(joydevnames));
for (i = 0; i < MAX_UHID_JOYS; i++) {
SDL_Joystick nj;
@ -249,7 +254,18 @@ SDL_SYS_JoystickOpen(SDL_Joystick *joy)
joy->hwdata = hw;
hw->fd = fd;
hw->path = strdup(path);
hw->type = BSDJOY_UHID;
if (! strncmp(path, "/dev/joy", 8)) {
hw->type = BSDJOY_JOY;
joy->naxes = 2;
joy->nbuttons = 2;
joy->nhats = 0;
joy->nballs = 0;
joydevnames[joy->index] = strdup("Gameport joystick");
goto usbend;
} else {
hw->type = BSDJOY_UHID;
}
{
int ax;
for (ax = 0; ax < JOYAXE_count; ax++)
@ -332,6 +348,7 @@ SDL_SYS_JoystickOpen(SDL_Joystick *joy)
}
hid_end_parse(hdata);
usbend:
/* The poll blocks the event thread. */
fcntl(fd, F_SETFL, O_NONBLOCK);
@ -351,6 +368,57 @@ SDL_SYS_JoystickUpdate(SDL_Joystick *joy)
struct report *rep;
int nbutton, naxe = -1;
Sint32 v;
#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
struct joystick gameport;
static int x, y, xmin = 0xffff, ymin = 0xffff, xmax = 0, ymax = 0;
if (joy->hwdata->type == BSDJOY_JOY) {
if (read(joy->hwdata->fd, &gameport, sizeof gameport) != sizeof gameport)
return;
if (abs(x - gameport.x) > 8) {
x = gameport.x;
if (x < xmin) {
xmin = x;
}
if (x > xmax) {
xmax = x;
}
if (xmin == xmax) {
xmin--;
xmax++;
}
v = (Sint32)x;
v -= (xmax + xmin + 1)/2;
v *= 32768/((xmax - xmin + 1)/2);
SDL_PrivateJoystickAxis(joy, 0, v);
}
if (abs(y - gameport.y) > 8) {
y = gameport.y;
if (y < ymin) {
ymin = y;
}
if (y > ymax) {
ymax = y;
}
if (ymin == ymax) {
ymin--;
ymax++;
}
v = (Sint32)y;
v -= (ymax + ymin + 1)/2;
v *= 32768/((ymax - ymin + 1)/2);
SDL_PrivateJoystickAxis(joy, 1, v);
}
if (gameport.b1 != joy->buttons[0]) {
SDL_PrivateJoystickButton(joy, 0, gameport.b1);
}
if (gameport.b2 != joy->buttons[1]) {
SDL_PrivateJoystickButton(joy, 1, gameport.b2);
}
return;
}
#endif /* defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) */
rep = &joy->hwdata->inreport;
@ -418,8 +486,10 @@ SDL_SYS_JoystickUpdate(SDL_Joystick *joy)
void
SDL_SYS_JoystickClose(SDL_Joystick *joy)
{
report_free(&joy->hwdata->inreport);
hid_dispose_report_desc(joy->hwdata->repdesc);
if (strncmp(joy->hwdata->path, "/dev/joy", 8)) {
report_free(&joy->hwdata->inreport);
hid_dispose_report_desc(joy->hwdata->repdesc);
}
close(joy->hwdata->fd);
free(joy->hwdata->path);
free(joy->hwdata);