Mercurial > sdl-ios-xcode
view test/testendian.c @ 872:e7be95d758e8
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 | c203b4a42701 |
children | 983df4f9c1c6 |
line wrap: on
line source
/* Test program to check SDL's CPU endian detection and byte swapping routines */ #include <stdio.h> #include "SDL.h" #include "SDL_endian.h" int main(int argc, char *argv[]) { Uint16 value16 = 0xCDAB; Uint32 value32 = 0xEFBEADDE; #if defined(__GNUC__) && defined(SDL_HAS_64BIT_TYPE) Uint64 value64 = 0xEFBEADDECDAB3412LL; #endif printf("This is a %s endian machine.\n", (SDL_BYTEORDER == SDL_LIL_ENDIAN) ? "little" : "big"); printf("Value 16 = 0x%X, swapped = 0x%X\n", value16, SDL_Swap16(value16)); printf("Value 32 = 0x%X, swapped = 0x%X\n", value32, SDL_Swap32(value32)); #if defined(__GNUC__) && defined(SDL_HAS_64BIT_TYPE) printf("Value 64 = 0x%llX, swapped = 0x%llX\n", value64, SDL_Swap64(value64)); #endif return(0); }