From eff0da1ac49d73efb7d0a592443dc21b47e5c9e5 Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Tue, 22 Apr 2003 21:46:22 +0000 Subject: compiles with libSDL, opens the joystick, but doesn't read events yet svn path=/trunk/externals/hcs/; revision=585 --- Makefile | 2 +- rawjoystick.c | 464 +++++++++++++++++----------------------------------------- 2 files changed, 132 insertions(+), 334 deletions(-) diff --git a/Makefile b/Makefile index 25d4f8f..299717e 100644 --- a/Makefile +++ b/Makefile @@ -14,7 +14,7 @@ LINUXINCLUDE = -I/usr/local/lib/pd/include -I../../pd/src .c.pd_linux: cc $(LINUXCFLAGS) $(LINUXINCLUDE) -o $*.o -c $*.c - ld -export_dynamic -shared -o $*.pd_linux $*.o -lc -lm + ld -export_dynamic -shared -o $*.pd_linux $*.o -lc -lm -lSDL strip --strip-unneeded $*.pd_linux rm $*.o diff --git a/rawjoystick.c b/rawjoystick.c index 8a8c905..163cce8 100644 --- a/rawjoystick.c +++ b/rawjoystick.c @@ -1,5 +1,24 @@ -/* (C) Guenter Geiger */ - +/* Copyright 2003 Hans-Christoph Steiner + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ +/* + * $Id: rawjoystick.c,v 1.3 2003-04-22 21:46:22 eighthave Exp $ + */ +static char *version = "$Revision: 1.3 $"; #include @@ -8,7 +27,7 @@ #pragma warning( disable : 4305 ) #endif -#include +#include #include @@ -20,220 +39,72 @@ #include #include -#define DEBUG(x) -/*#define DEBUG(x) x */ - - -#define RAWJOYSTICK_DEVICE "/dev/input/event0" - -// scaling factor for output -#define DEF_SCALE 1 -// delay/refresh time in milliseconds -#define DEF_DELTIME 5 +/*#define DEBUG(x) */ +#define DEBUG(x) x #define RAWJOYSTICK_AXES 6 #define RAWJOYSTICK_BUTTONS 9 -/* from -// button types -#define BTN_LEFT 0x110 -#define BTN_RIGHT 0x111 -#define BTN_MIDDLE 0x112 -#define BTN_SIDE 0x113 -#define BTN_EXTRA 0x114 -#define BTN_FORWARD 0x115 -#define BTN_BACK 0x116 - -// axes -#define REL_X 0x00 -#define REL_Y 0x01 -#define REL_WHEEL 0x08 -*/ - - -/*------------------------------------------------------------------------------ - * from evtest.c from the ff-utils package - */ - -#define BITS_PER_LONG (sizeof(long) * 8) -#define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1) -#define OFF(x) ((x)%BITS_PER_LONG) -#define BIT(x) (1UL<> OFF(bit)) & 1) - - -char *events[EV_MAX + 1] = { "Reset", "Key", "Relative", "Absolute", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, -NULL, NULL, NULL, "LED", "Sound", NULL, "Repeat", "ForceFeedback", NULL, "ForceFeedbackStatus"}; -char *keys[KEY_MAX + 1] = { "Reserved", "Esc", "1", "2", "3", "4", "5", "6", "7", "8", "9", "0", "Minus", "Equal", "Backspace", -"Tab", "Q", "W", "E", "R", "T", "Y", "U", "I", "O", "P", "LeftBrace", "RightBrace", "Enter", "LeftControl", "A", "S", "D", "F", "G", -"H", "J", "K", "L", "Semicolon", "Apostrophe", "Grave", "LeftShift", "BackSlash", "Z", "X", "C", "V", "B", "N", "M", "Comma", "Dot", -"Slash", "RightShift", "KPAsterisk", "LeftAlt", "Space", "CapsLock", "F1", "F2", "F3", "F4", "F5", "F6", "F7", "F8", "F9", "F10", -"NumLock", "ScrollLock", "KP7", "KP8", "KP9", "KPMinus", "KP4", "KP5", "KP6", "KPPlus", "KP1", "KP2", "KP3", "KP0", "KPDot", "103rd", -"F13", "102nd", "F11", "F12", "F14", "F15", "F16", "F17", "F18", "F19", "F20", "KPEnter", "RightCtrl", "KPSlash", "SysRq", -"RightAlt", "LineFeed", "Home", "Up", "PageUp", "Left", "Right", "End", "Down", "PageDown", "Insert", "Delete", "Macro", "Mute", -"VolumeDown", "VolumeUp", "Power", "KPEqual", "KPPlusMinus", "Pause", "F21", "F22", "F23", "F24", "KPComma", "LeftMeta", "RightMeta", -"Compose", "Stop", "Again", "Props", "Undo", "Front", "Copy", "Open", "Paste", "Find", "Cut", "Help", "Menu", "Calc", "Setup", -"Sleep", "WakeUp", "File", "SendFile", "DeleteFile", "X-fer", "Prog1", "Prog2", "WWW", "MSDOS", "Coffee", "Direction", -"CycleWindows", "Mail", "Bookmarks", "Computer", "Back", "Forward", "CloseCD", "EjectCD", "EjectCloseCD", "NextSong", "PlayPause", -"PreviousSong", "StopCD", "Record", "Rewind", "Phone", "ISOKey", "Config", "HomePage", "Refresh", "Exit", "Move", "Edit", "ScrollUp", -"ScrollDown", "KPLeftParenthesis", "KPRightParenthesis", -"International1", "International2", "International3", "International4", "International5", -"International6", "International7", "International8", "International9", -"Language1", "Language2", "Language3", "Language4", "Language5", "Language6", "Language7", "Language8", "Language9", -NULL, -"PlayCD", "PauseCD", "Prog3", "Prog4", "Suspend", "Close", -NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, -NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, -NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, -"Btn0", "Btn1", "Btn2", "Btn3", "Btn4", "Btn5", "Btn6", "Btn7", "Btn8", "Btn9", -NULL, NULL, NULL, NULL, NULL, NULL, -"LeftBtn", "RightBtn", "MiddleBtn", "SideBtn", "ExtraBtn", "ForwardBtn", "BackBtn", -NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, -"Trigger", "ThumbBtn", "ThumbBtn2", "TopBtn", "TopBtn2", "PinkieBtn", -"BaseBtn", "BaseBtn2", "BaseBtn3", "BaseBtn4", "BaseBtn5", "BaseBtn6", -NULL, NULL, NULL, "BtnDead", -"BtnA", "BtnB", "BtnC", "BtnX", "BtnY", "BtnZ", "BtnTL", "BtnTR", "BtnTL2", "BtnTR2", "BtnSelect", "BtnStart", "BtnMode", -"BtnThumbL", "BtnThumbR", NULL, -"ToolPen", "ToolRubber", "ToolBrush", "ToolPencil", "ToolAirbrush", "ToolFinger", "ToolMouse", "ToolLens", NULL, NULL, -"Touch", "Stylus", "Stylus2" }; - -char *absval[5] = { "Value", "Min ", "Max ", "Fuzz ", "Flat " }; -char *relatives[REL_MAX + 1] = { "X", "Y", "Z", NULL, NULL, NULL, "HWheel", "Dial", "Wheel" }; -char *absolutes[ABS_MAX + 1] = { "X", "Y", "Z", "Rx", "Ry", "Rz", "Throttle", "Rudder", "Wheel", "Gas", "Brake", -NULL, NULL, NULL, NULL, NULL, -"Hat0X", "Hat0Y", "Hat1X", "Hat1Y", "Hat2X", "Hat2Y", "Hat3X", "Hat 3Y", "Pressure", "Distance", "XTilt", "YTilt"}; -char *leds[LED_MAX + 1] = { "NumLock", "CapsLock", "ScrollLock", "Compose", "Kana", "Sleep", "Suspend", "Mute" }; -char *repeats[REP_MAX + 1] = { "Delay", "Period" }; -char *sounds[SND_MAX + 1] = { "Bell", "Click" }; - -char **names[EV_MAX + 1] = { events, keys, relatives, absolutes, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, -NULL, NULL, leds, sounds, NULL, repeats, NULL, NULL, NULL }; - -/*------------------------------------------------------------------------------ - */ /*------------------------------------------------------------------------------ * CLASS DEF */ static t_class *rawjoystick_class; -typedef struct _rawjoystick { +typedef struct _rawjoystick { t_object x_obj; - t_int x_fd; - t_symbol* x_devname; + SDL_Joystick *x_joystick; + t_int x_devnum; int read_ok; int started; - struct input_event x_input_event; - float x_scale; - float x_translation; t_outlet *x_axis_out[RAWJOYSTICK_AXES]; t_outlet *x_button_num_out; t_outlet *x_button_val_out; t_clock *x_clock; double x_delaytime; - unsigned char x_buttons; - unsigned char x_axes; -}t_rawjoystick; + int x_buttons; + int x_hats; + int x_axes; +} t_rawjoystick; /*------------------------------------------------------------------------------ - * IMPLEMENTATION - */ - -//DONE -static int rawjoystick_close(t_rawjoystick *x) -{ - DEBUG(post("rawjoystick_close");) + */ - if (x->x_fd <0) return 0; +static int rawjoystick_close(t_rawjoystick *x) { + DEBUG(post("rawjoystick_CLOSE")); - close (x->x_fd); - - return 1; + if ( SDL_JoystickOpened(x->x_devnum) ) { + SDL_JoystickClose(x->x_joystick); + return 1; + } + else { + return 0; + } } -//DONE -static int rawjoystick_open(t_rawjoystick *x,t_symbol* s) -{ - int eventType, eventCode; - unsigned long bitmask[EV_MAX][NBITS(KEY_MAX)]; - char devicename[256] = "Unknown"; - DEBUG(post("rawjoystick_open");) - +static int rawjoystick_open(t_rawjoystick *x) { rawjoystick_close(x); - /* set obj device name to parameter - * otherwise set to default - */ - if (s != &s_) - x->x_devname = s; - else { - post("You need to set a input device (i.e /dev/input/event0)"); - } + DEBUG(post("rawjoystick_OPEN")); /* open device */ - if (x->x_devname) { - post("opening ..."); - /* open the rawjoystick device read-only, non-exclusive */ - x->x_fd = open (x->x_devname->s_name, O_RDONLY | O_NONBLOCK); - if (x->x_fd >= 0 ) post("done"); - else post("failed"); - } - else { - return 1; - } - + SDL_JoystickEventState(SDL_ENABLE); + x->x_joystick = SDL_JoystickOpen(x->x_devnum); + /* test if device open */ - if (x->x_fd >= 0) - post("%s opened",x->x_devname->s_name); - else { - post("unable to open %s",x->x_devname->s_name); - x->x_fd = -1; - return 0; + /* get name of device */ + if ( SDL_JoystickOpened(x->x_devnum) ) { + post ("Configuring %s",SDL_JoystickName(x->x_devnum)); } - - /* read input_events from the RAWJOYSTICK_DEVICE stream - * It seems that is just there to flush the event input buffer? - */ - while (read (x->x_fd, &(x->x_input_event), sizeof(struct input_event)) > -1); - - /* get name of device */ - ioctl(x->x_fd, EVIOCGNAME(sizeof(devicename)), devicename); - post ("configuring %s",devicename); - - /* get bitmask representing supported events (axes, buttons, etc.) */ - memset(bitmask, 0, sizeof(bitmask)); - ioctl(x->x_fd, EVIOCGBIT(0, EV_MAX), bitmask[0]); - post("Supported events:"); - - x->x_axes = 0; - x->x_buttons = 0; - - /* cycle through all possible event types */ - for (eventType = 0; eventType < EV_MAX; eventType++) { - if (test_bit(eventType, bitmask[0])) { - post(" %s (type %d) ", events[eventType] ? events[eventType] : "?", eventType); - // post("Event type %d",eventType); - - /* get bitmask representing supported button types */ - ioctl(x->x_fd, EVIOCGBIT(eventType, KEY_MAX), bitmask[eventType]); - - /* cycle through all possible event codes (axes, keys, etc.) - * testing to see which are supported - */ - for (eventCode = 0; eventCode < KEY_MAX; eventCode++) - if (test_bit(eventCode, bitmask[eventType])) { - post(" Event code %d (%s)", eventCode, names[eventType] ? (names[eventType][eventCode] ? names[eventType][eventCode] : "?") : "?"); - - if ( eventType == EV_KEY ) - x->x_buttons++; - else if ( eventType == EV_ABS ) - x->x_axes++; - } - } + else { + return 0; } - - post ("\nUsing %d axes and %d buttons.", x->x_axes, x->x_buttons); + + x->x_axes = SDL_JoystickNumAxes(x->x_joystick); + x->x_hats = SDL_JoystickNumHats(x->x_joystick); + x->x_buttons = SDL_JoystickNumButtons(x->x_joystick); + + post (" device has %i axes, %i hats, and %i buttons.\n",x->x_axes,x->x_hats,x->x_buttons); post ("WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING"); post ("This object is under development! The interface could change at anytime!"); post ("As I write cross-platform versions, the interface might have to change."); @@ -242,191 +113,120 @@ static int rawjoystick_open(t_rawjoystick *x,t_symbol* s) return 1; } +static int rawjoystick_read(t_rawjoystick *x,int fd) { + SDL_Event event; + DEBUG(post("rawjoystick_READ")); -static int rawjoystick_read(t_rawjoystick *x,int fd) -{ - int readBytes; - int axis_num = 0; - t_float button_num = 0; - - if (x->x_fd < 0) return 0; - if (x->read_ok) { - readBytes = read(x->x_fd, &(x->x_input_event), sizeof(struct input_event)); - DEBUG(post("reading %d",readBytes);) - if ( readBytes < 0 ) { - post("rawjoystick: read failed"); - x->read_ok = 0; - return 0; - } - } - if ( x->x_input_event.type == EV_KEY ) { - /* key/button event type */ - switch ( x->x_input_event.code ) { - case BTN_0: - button_num = 0; - break; - case BTN_1: - button_num = 1; - break; - case BTN_2: - button_num = 2; - break; - case BTN_3: - button_num = 3; - break; - case BTN_4: - button_num = 4; - break; - case BTN_5: - button_num = 5; - break; - case BTN_6: - button_num = 6; - break; - case BTN_7: - button_num = 7; - break; - case BTN_8: - button_num = 8; - break; - case BTN_9: - button_num = 9; - break; - case BTN_TRIGGER: - button_num = 10; - break; - case BTN_THUMB: - button_num = 11; - break; - case BTN_THUMB2: - button_num = 12; - break; - case BTN_TOP: - button_num = 13; - break; - case BTN_TOP2: - button_num = 14; - break; - case BTN_PINKIE: - button_num = 15; - break; - case BTN_BASE: - button_num = 16; - break; - case BTN_BASE2: - button_num = 17; - break; - case BTN_BASE3: - button_num = 18; - break; - case BTN_BASE4: - button_num = 19; - break; - case BTN_BASE5: - button_num = 20; - break; - case BTN_BASE6: - button_num = 21; - break; - } - outlet_float (x->x_button_val_out, x->x_input_event.value); - outlet_float (x->x_button_num_out, button_num); + if ( ! SDL_JoystickOpened(x->x_devnum) ) { + return 0; } - else if ( x->x_input_event.type == EV_ABS ) { - /* Relative Axes Event Type */ - switch ( x->x_input_event.code ) { - case ABS_X: - axis_num = 0; - break; - case ABS_Y: - axis_num = 1; - break; - case ABS_Z: - axis_num = 2; + + post("Joystick read: %s",SDL_JoystickName(x->x_devnum)); + + if ( SDL_PollEvent(&event) ) { + post("SDL_Event.type: %i",event.type); + post("SDL_JoyAxisEvent.value: %i",event.jaxis.value); + post("SDL_JoyButtonEvent.value: %i",event.jbutton.state); + switch (event.type) { + case SDL_JOYAXISMOTION: + outlet_float (x->x_axis_out[event.jaxis.axis], event.jaxis.value); break; - case ABS_HAT0X: - axis_num = 3; + case SDL_JOYHATMOTION: break; - case ABS_HAT0Y: - axis_num = 4; + case SDL_JOYBUTTONDOWN: + outlet_float (x->x_button_val_out, 1); + outlet_float (x->x_button_num_out, event.jaxis.axis); break; - case ABS_THROTTLE: - axis_num = 5; + case SDL_JOYBUTTONUP: + outlet_float (x->x_button_val_out, 0); + outlet_float (x->x_button_num_out, event.jaxis.axis); break; + default: + DEBUG(post("Unhandled event.")); } - outlet_float (x->x_axis_out[axis_num], (int)x->x_input_event.value); } return 1; } - - /* Actions */ -static void rawjoystick_bang(t_rawjoystick* x) -{ - DEBUG(post("rawjoystick_bang");) - +static void rawjoystick_bang(t_rawjoystick* x) { + DEBUG(post("rawjoystick_bang")); } -static void rawjoystick_float(t_rawjoystick* x) -{ - DEBUG(post("rawjoystick_float");) - +static void rawjoystick_float(t_rawjoystick* x) { + DEBUG(post("rawjoystick_float")); } // DONE void rawjoystick_start(t_rawjoystick* x) { - DEBUG(post("rawjoystick_start");) + DEBUG(post("rawjoystick_START")); - if (x->x_fd >= 0 && !x->started) { - sys_addpollfn(x->x_fd, (t_fdpollfn)rawjoystick_read, x); - post("rawjoystick: start"); - x->started = 1; - } + if ( ( SDL_JoystickOpened(x->x_devnum) ) && ( ! x->started ) ) { + sys_addpollfn(x->x_devnum, (t_fdpollfn)rawjoystick_read, x); + x->started = 1; + } } // DONE -void rawjoystick_stop(t_rawjoystick* x) -{ - DEBUG(post("rawjoystick_stop");) +void rawjoystick_stop(t_rawjoystick* x) { + DEBUG(post("rawjoystick_STOP");) - if (x->x_fd >= 0 && x->started) { - sys_rmpollfn(x->x_fd); - post("rawjoystick: stop"); - x->started = 0; - } + if ( ( SDL_JoystickOpened(x->x_devnum) ) && ( x->started ) ) { + sys_rmpollfn(x->x_devnum); + x->started = 0; + } } /* Misc setup functions */ -static void rawjoystick_free(t_rawjoystick* x) -{ - DEBUG(post("rawjoystick_free");) +static void rawjoystick_free(t_rawjoystick* x) { + DEBUG(post("rawjoystick_free")); - if (x->x_fd < 0) return; - rawjoystick_stop(x); - close (x->x_fd); + if ( SDL_JoystickOpened(x->x_devnum)) + SDL_JoystickClose(x->x_joystick); + + SDL_Quit(); } -static void *rawjoystick_new(t_symbol *s) -{ - int i; +static void *rawjoystick_new(t_float argument) { + int i,joystickNumber; t_rawjoystick *x = (t_rawjoystick *)pd_new(rawjoystick_class); - DEBUG(post("rawjoystick_new");) - + DEBUG(post("rawjoystick_NEW")); + post("rawHID objects, %s", version); + post(" by Hans-Christoph Steiner "); + /* init vars */ - x->x_fd = -1; + x->x_devnum = 0; x->read_ok = 1; x->started = 0; + + /* INIT SDL using joystick layer */ + if ( SDL_Init( SDL_INIT_JOYSTICK ) == -1 ) { + post("Could not initialize SDL: %s.\n", SDL_GetError()); + exit(-1); + } + + post("%i joysticks were found:", SDL_NumJoysticks() ); + + for( i=0; i < SDL_NumJoysticks(); i++ ) { + post(" %s", SDL_JoystickName(i)); + } + + joystickNumber = (int)argument; + + if ( (joystickNumber >= 0) && (joystickNumber < SDL_NumJoysticks() ) ) + x->x_devnum = joystickNumber; + else + post("Joystick %i does not exist!",joystickNumber); /* create outlets for each axis */ for (i = 0; i < RAWJOYSTICK_AXES; i++) @@ -436,12 +236,9 @@ static void *rawjoystick_new(t_symbol *s) x->x_button_num_out = outlet_new(&x->x_obj, &s_float); x->x_button_val_out = outlet_new(&x->x_obj, &s_float); - if (s != &s_) - x->x_devname = s; - /* Open the device and save settings */ - if (!rawjoystick_open(x,s)) return x; + if ( ! rawjoystick_open(x) ) return x; return (x); } @@ -460,10 +257,11 @@ void rawjoystick_setup(void) class_addbang(rawjoystick_class,(t_method) rawjoystick_bang); /* add inlet message methods */ - class_addmethod(rawjoystick_class, (t_method) rawjoystick_open,gensym("open"),A_DEFSYM); + class_addmethod(rawjoystick_class,(t_method) rawjoystick_open,gensym("open"),0); class_addmethod(rawjoystick_class,(t_method) rawjoystick_close,gensym("close"),0); class_addmethod(rawjoystick_class,(t_method) rawjoystick_start,gensym("start"),0); class_addmethod(rawjoystick_class,(t_method) rawjoystick_stop,gensym("stop"),0); + class_addmethod(rawjoystick_class,(t_method) rawjoystick_read,gensym("read"),0); } -- cgit v1.2.1