Mercurial > sdl-ios-xcode
view src/video/fbcon/3dfx_regs.h @ 1584:b786d9c15e42
Fixed bug #61
Date: Mon, 24 Feb 2003 13:35:11 +0800
From: "Leonidas"
Subject: [SDL] Re: Trigger mouse wheel event -- not in X-environment
I have looked into the codes for the IMPS/2 mouse wheel mode of fbcon driver.
But I found something weird.
Here's the original codes to set a mouse device into IMPS/2 mode in libSDL.
In the file src/video/fbcon/SDL_fbevents.c
In function static int set_imps2_mode(int fd)
...
Uint8 set_imps2[] = {0xf3, 200, 0xf3, 100, 0xf3, 80};
Uint8 reset = 0xff;
fd_set fdset;
struct timeval tv;
int retval = 0;
// Set mouse device fd into IMPS/2 mode
if ( write(fd, &set_imps2, sizeof(set_imps2)) == sizeof(set_imps2) ) {
// ??? then RESET it..???
if (write(fd, &reset, sizeof (reset)) == sizeof (reset) ) {
retval = 1;
}
}
...........
Since it sets IMPS/2 mode then reset it, so you will never get a mouse into
IMPS/2 mode to use its wheel.
What I did to make the wheel usable is remove the RESET codes.
....
if ( write(fd, &set_imps2, sizeof(set_imps2)) == sizeof(set_imps2) ) {
/*
if (write(fd, &reset, sizeof (reset)) == sizeof (reset) ) {
}
*/
retval = 1;
}
....
And in FB_OpenMouse(_THIS)
Make the device /dev/psaux to be setted into imps2 mode such that it can be
detected its a imps/2 mouse or not.
(my mouse device is on ps2, but the codes only set /dev/input/mice device
originally)
Then I have done, I can use the mouse wheel when SDL uses frame buff driver.
I dont exactly know I did right or wrong, I just change it for my usuage.
Correct me please, if I did something wrong.
Best regards,
Li Tsung Lin
IAP Product Dept. Engineer
EeRise Corp. (Image Processing System, Computer Vision System)
Hsin Tien, Taipei Hsien, Taiwan, R.O.C.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Wed, 22 Mar 2006 07:22:40 +0000 |
| parents | d910939febfa |
| children | 782fd950bd46 a1b03ba2fcd0 |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2006 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Sam Lantinga slouken@libsdl.org */ #include "SDL_config.h" #ifndef _3DFX_REGS_H #define _3DFX_REGS_H /* This information comes from the public 3Dfx specs for the Voodoo 3000 */ /* mapped_io register offsets */ #define TDFX_STATUS 0x00 #define INTCTRL (0x00100000 + 0x04) #define CLIP0MIN (0x00100000 + 0x08) #define CLIP0MAX (0x00100000 + 0x0c) #define DSTBASE (0x00100000 + 0x10) #define DSTFORMAT (0x00100000 + 0x14) #define SRCCOLORKEYMIN (0x00100000 + 0x18) #define SRCCOLORKEYMAX (0x00100000 + 0x1c) #define DSTCOLORKEYMIN (0x00100000 + 0x20) #define DSTCOLORKEYMAX (0x00100000 + 0x24) #define BRESERROR0 (0x00100000 + 0x28) #define BRESERROR1 (0x00100000 + 0x2c) #define ROP_2D (0x00100000 + 0x30) #define SRCBASE (0x00100000 + 0x34) #define COMMANDEXTRA_2D (0x00100000 + 0x38) #define PATTERN0 (0x00100000 + 0x44) #define PATTERN1 (0x00100000 + 0x48) #define CLIP1MIN (0x00100000 + 0x4c) #define CLIP1MAX (0x00100000 + 0x50) #define SRCFORMAT (0x00100000 + 0x54) #define SRCSIZE (0x00100000 + 0x58) #define SRCXY (0x00100000 + 0x5c) #define COLORBACK (0x00100000 + 0x60) #define COLORFORE (0x00100000 + 0x64) #define DSTSIZE (0x00100000 + 0x68) #define DSTXY (0x00100000 + 0x6c) #define COMMAND_2D (0x00100000 + 0x70) #define LAUNCH_2D (0x00100000 + 0x80) #define PATTERNBASE (0x00100000 + 0x100) #define COMMAND_3D (0x00200000 + 0x120) /* register bitfields (not all, only as needed) */ #define BIT(x) (1UL << (x)) #define COMMAND_2D_BITBLT 0x01 #define COMMAND_2D_FILLRECT 0x05 #define COMMAND_2D_LINE 0x06 #define COMMAND_2D_POLYGON_FILL 0x08 #define COMMAND_2D_INITIATE BIT(8) #define COMMAND_2D_REVERSELINE BIT(9) #define COMMAND_2D_STIPPLELINE BIT(12) #define COMMAND_2D_MONOCHROME_PATT BIT(13) #define COMMAND_2D_MONOCHROME_TRANSP BIT(16) #define COMMAND_3D_NOP 0x00 #define STATUS_RETRACE BIT(6) #define STATUS_BUSY BIT(9) #endif /* _3DFX_REGS_H */