Re: PS2 Input Core Support

Vojtech Pavlik (vojtech@suse.cz)
Wed, 17 Jul 2002 14:10:04 +0200


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On Wed, Jul 17, 2002 at 01:47:12PM +0200, Udo A. Steinberg wrote:
> Vojtech Pavlik wrote:
> >
> > It's a bug. This patch should fix it:
>
> Hello,
>
> With this patch I can now properly scroll down. But scrolling the
> mouse wheel up doesn't do any scrolling up in X.

This is interesting. Can you try the attached test utility? You need to
enable CONFIG_INPUT_EVDEV, as well, and use it on /dev/input/evdev0 or
1, depening what's your mouse.

I'm wondering whether the scroll events show up or not.

-- 
Vojtech Pavlik
SuSE Labs

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/* * $Id: evtest.c,v 1.18 2002/07/17 08:50:55 vojtech Exp $ * * Copyright (c) 1999-2000 Vojtech Pavlik * * Event device test program */

/* * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Should you need to contact me, the author, you can do so either by * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic */

#include <linux/input.h>

#include <string.h> #include <fcntl.h> #include <unistd.h> #include <stdio.h>

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", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "Ok", "Select", "Goto", "Clear", "Power2", "Option", "Info", "Time", "Vendor", "Archive", "Program", "Channel", "Favorites", "EPG", "PVR", "MHP", "Language", "Title", "Subtitle", "Angle", "Zoom", "Mode", "Keyboard", "Screen", "PC", "TV", "TV2", "VCR", "VCR2", "Sat", "Sat2", "CD", "Tape", "Radio", "Tuner", "Player", "Text", "DVD", "Aux", "MP3", "Audio", "Video", "Directory", "List", "Memo", "Calendar", "Red", "Green", "Yellow", "Blue", "ChannelUp", "ChannelDown", "First", "Last", "AB", "Next", "Restart", "Slow", "Shuffle", "Break", "Previous", "Digits", "Teen", "Twen" };

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 };

#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(x)) #define LONG(x) ((x)/BITS_PER_LONG) #define test_bit(bit, array) ((array[LONG(bit)] >> OFF(bit)) & 1)

int main (int argc, char **argv) { int fd, rd, i, j, k; struct input_event ev[64]; int version; unsigned short id[4]; unsigned long bit[EV_MAX][NBITS(KEY_MAX)]; char name[256] = "Unknown"; int abs[5];

if (argc < 2) { printf("Usage: evtest /dev/input/eventX\n"); printf("Where X = input device number\n"); exit(1); }

if ((fd = open(argv[argc - 1], O_RDONLY)) < 0) { perror("evtest"); exit(1); }

if (ioctl(fd, EVIOCGVERSION, &version)) { perror("evtest: can't get version"); exit(1); }

printf("Input driver version is %d.%d.%d\n", version >> 16, (version >> 8) & 0xff, version & 0xff);

ioctl(fd, EVIOCGID, id); printf("Input device ID: bus 0x%x vendor 0x%x product 0x%x version 0x%x\n", id[ID_BUS], id[ID_VENDOR], id[ID_PRODUCT], id[ID_VERSION]);

ioctl(fd, EVIOCGNAME(sizeof(name)), name); printf("Input device name: \"%s\"\n", name);

memset(bit, 0, sizeof(bit)); ioctl(fd, EVIOCGBIT(0, EV_MAX), bit[0]); printf("Supported events:\n");

for (i = 0; i < EV_MAX; i++) if (test_bit(i, bit[0])) { printf(" Event type %d (%s)\n", i, events[i] ? events[i] : "?"); ioctl(fd, EVIOCGBIT(i, KEY_MAX), bit[i]); for (j = 0; j < KEY_MAX; j++) if (test_bit(j, bit[i])) { printf(" Event code %d (%s)\n", j, names[i] ? (names[i][j] ? names[i][j] : "?") : "?"); if (i == EV_ABS) { ioctl(fd, EVIOCGABS(j), abs); for (k = 0; k < 5; k++) if ((k < 3) || abs[k]) printf(" %s %6d\n", absval[k], abs[k]); } } }

printf("Testing ... (interrupt to exit)\n");

while (1) { rd = read(fd, ev, sizeof(struct input_event) * 64);

if (rd < (int) sizeof(struct input_event)) { printf("yyy\n"); perror("\nevtest: error reading"); exit (1); }

for (i = 0; i < rd / sizeof(struct input_event); i++) printf("Event: time %ld.%06ld, type %d (%s), code %d (%s), value %d\n", ev[i].time.tv_sec, ev[i].time.tv_usec, ev[i].type, events[ev[i].type] ? events[ev[i].type] : "?", ev[i].code, names[ev[i].type] ? (names[ev[i].type][ev[i].code] ? names[ev[i].type][ev[i].code] : "?") : "?", ev[i].value);

} }

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