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comparison src/joystick/linux/SDL_sysjoystick.c @ 872:e7be95d758e8

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Date: Fri, 05 Mar 2004 16:08:01 +0000 From: Alan Swanson Subject: Re: [SDL] Fatal signal when initiaize with USB joystick on 2.6.2 kern On Fri, 2004-03-05 at 15:09, Sam Lantinga wrote: > > Fred, how does the attached patch work for you? Do all your axes work? > > I think you meant the two lines to be reversed. > I checked a more robust version of this into CVS. Fred, can you see if > it works? You've misread the code. :-/ For coef[0] and coef[1], it is (values[2]+values[1]) / 2 and then add or subtract values[4] to the answer.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 06 Mar 2004 02:58:06 +0000
parents 9cc9e2462d9a
children dc29e5907694
comparison
equal deleted inserted replaced
871:9cc9e2462d9a 872:e7be95d758e8
434 joystick->hwdata->abs_map[i] = joystick->naxes; 434 joystick->hwdata->abs_map[i] = joystick->naxes;
435 if ( values[1] == values[2] ) { 435 if ( values[1] == values[2] ) {
436 joystick->hwdata->abs_correct[i].used = 0; 436 joystick->hwdata->abs_correct[i].used = 0;
437 } else { 437 } else {
438 joystick->hwdata->abs_correct[i].used = 1; 438 joystick->hwdata->abs_correct[i].used = 1;
439 t = (2 - values[4]); 439 joystick->hwdata->abs_correct[i].coef[0] =
440 if ( t != 0 ) { 440 (values[2] + values[1]) / 2 - values[4];
441 joystick->hwdata->abs_correct[i].coef[0] = (values[2] + values[1]) / t; 441 joystick->hwdata->abs_correct[i].coef[1] =
442 } 442 (values[2] + values[1]) / 2 + values[4];
443 t = (2 + values[4]);
444 if ( t != 0 ) {
445 joystick->hwdata->abs_correct[i].coef[1] = (values[2] + values[1]) / t;
446 }
447 t = ((values[2] - values[1]) / 2 - 2 * values[4]); 443 t = ((values[2] - values[1]) / 2 - 2 * values[4]);
448 if ( t != 0 ) { 444 if ( t != 0 ) {
449 joystick->hwdata->abs_correct[i].coef[2] = (1 << 29) / t; 445 joystick->hwdata->abs_correct[i].coef[2] = (1 << 29) / t;
446 } else {
447 joystick->hwdata->abs_correct[i].coef[2] = 0;
450 } 448 }
451 } 449 }
452 ++joystick->naxes; 450 ++joystick->naxes;
453 } 451 }
454 } 452 }