/* direwolf.h - Common stuff used many places. */ // TODO: include this file first before anything else in each .c file. #ifndef DIREWOLF_H #define DIREWOLF_H 1 /* * Support Windows XP and later. * * We need this before "#include ". * * Don't know what other impact it might have on others. */ #if __WIN32__ #ifdef _WIN32_WINNT #error Include "direwolf.h" before any windows system files. #endif #ifdef WINVER #error Include "direwolf.h" before any windows system files. #endif #define _WIN32_WINNT 0x0501 /* Minimum OS version is XP. */ #define WINVER 0x0501 /* Minimum OS version is XP. */ #include #endif /* * Previously, we could handle only a single audio device. * This meant we could have only two radio channels. * In version 1.2, we relax this restriction and allow more audio devices. * Three is probably adequate for standard version. * Larger reasonable numbers should also be fine. * * For example, if you wanted to use 4 audio devices at once, change this to 4. */ #define MAX_ADEVS 3 /* * Maximum number of radio channels. * Note that there could be gaps. * Suppose audio device 0 was in mono mode and audio device 1 was stereo. * The channels available would be: * * ADevice 0: channel 0 * ADevice 1: left = 2, right = 3 * * TODO1.2: Look for any places that have * for (ch=0; ch>1) #define ADEVFIRSTCHAN(n) ((n) * 2) /* * Maximum number of modems per channel. * I called them "subchannels" (in the code) because * it is short and unambiguous. * Nothing magic about the number. Could be larger * but CPU demands might be overwhelming. */ #define MAX_SUBCHANS 9 /* * Each one of these can have multiple slicers, at * different levels, to compensate for different * amplitudes of the AFSK tones. * Intially used same number as subchannels but * we could probably trim this down a little * without impacting performance. */ #define MAX_SLICERS 9 #if __WIN32__ #define SLEEP_SEC(n) Sleep((n)*1000) #define SLEEP_MS(n) Sleep(n) #else #define SLEEP_SEC(n) sleep(n) #define SLEEP_MS(n) usleep((n)*1000) #endif #if __WIN32__ #define PTW32_STATIC_LIB //#include "pthreads/pthread.h" #define gmtime_r( _clock, _result ) \ ( *(_result) = *gmtime( (_clock) ), \ (_result) ) #else #include #endif /* Not sure where to put these. */ /* Prefix with DW_ because /usr/include/gps.h uses a couple of these names. */ #ifndef G_UNKNOWN #include "latlong.h" #endif #define DW_METERS_TO_FEET(x) ((x) == G_UNKNOWN ? G_UNKNOWN : (x) * 3.2808399) #define DW_FEET_TO_METERS(x) ((x) == G_UNKNOWN ? G_UNKNOWN : (x) * 0.3048) #define DW_KM_TO_MILES(x) ((x) == G_UNKNOWN ? G_UNKNOWN : (x) * 0.621371192) #define DW_KNOTS_TO_MPH(x) ((x) == G_UNKNOWN ? G_UNKNOWN : (x) * 1.15077945) #define DW_KNOTS_TO_METERS_PER_SEC(x) ((x) == G_UNKNOWN ? G_UNKNOWN : (x) * 0.51444444444) #define DW_MPH_TO_KNOTS(x) ((x) == G_UNKNOWN ? G_UNKNOWN : (x) * 0.868976) #define DW_MPH_TO_METERS_PER_SEC(x) ((x) == G_UNKNOWN ? G_UNKNOWN : (x) * 0.44704) #define DW_MBAR_TO_INHG(x) ((x) == G_UNKNOWN ? G_UNKNOWN : (x) * 0.0295333727) #if __WIN32__ typedef CRITICAL_SECTION dw_mutex_t; #define dw_mutex_init(x) \ InitializeCriticalSection (x) /* This one waits for lock. */ #define dw_mutex_lock(x) \ EnterCriticalSection (x) /* Returns non-zero if lock was obtained. */ #define dw_mutex_try_lock(x) \ TryEnterCriticalSection (x) #define dw_mutex_unlock(x) \ LeaveCriticalSection (x) #else typedef pthread_mutex_t dw_mutex_t; #define dw_mutex_init(x) pthread_mutex_init (x, NULL) /* this one will wait. */ #define dw_mutex_lock(x) \ { \ int err; \ err = pthread_mutex_lock (x); \ if (err != 0) { \ text_color_set(DW_COLOR_ERROR); \ dw_printf ("INTERNAL ERROR %s %d pthread_mutex_lock returned %d", __FILE__, __LINE__, err); \ exit (1); \ } \ } /* This one returns true if lock successful, false if not. */ /* pthread_mutex_trylock returns 0 for success. */ #define dw_mutex_try_lock(x) \ ({ \ int err; \ err = pthread_mutex_trylock (x); \ if (err != 0 && err != EBUSY) { \ text_color_set(DW_COLOR_ERROR); \ dw_printf ("INTERNAL ERROR %s %d pthread_mutex_trylock returned %d", __FILE__, __LINE__, err); \ exit (1); \ } ; \ ! err; \ }) #define dw_mutex_unlock(x) \ { \ int err; \ err = pthread_mutex_unlock (x); \ if (err != 0) { \ text_color_set(DW_COLOR_ERROR); \ dw_printf ("INTERNAL ERROR %s %d pthread_mutex_unlock returned %d", __FILE__, __LINE__, err); \ exit (1); \ } \ } #endif /* Platform differences for string functions. */ #if __WIN32__ char *strsep(char **stringp, const char *delim); char *strtok_r(char *str, const char *delim, char **saveptr); #endif // Don't recall why for everyone. char *strcasestr(const char *S, const char *FIND); #if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__APPLE__) // strlcpy and strlcat should be in string.h and the C library. #else // Use our own copy #define DEBUG_STRL 1 #if DEBUG_STRL #define strlcpy(dst,src,siz) strlcpy_debug(dst,src,siz,__FILE__,__func__,__LINE__) #define strlcat(dst,src,siz) strlcat_debug(dst,src,siz,__FILE__,__func__,__LINE__) size_t strlcpy_debug(char *__restrict__ dst, const char *__restrict__ src, size_t siz, const char *file, const char *func, int line); size_t strlcat_debug(char *__restrict__ dst, const char *__restrict__ src, size_t siz, const char *file, const char *func, int line); #else #define strlcpy(dst,src,siz) strlcpy_debug(dst,src,siz) #define strlcat(dst,src,siz) strlcat_debug(dst,src,siz) size_t strlcpy_debug(char *__restrict__ dst, const char *__restrict__ src, size_t siz); size_t strlcat_debug(char *__restrict__ dst, const char *__restrict__ src, size_t siz); #endif /* DEBUG_STRL */ #endif /* BSD or Apple */ #endif /* ifndef DIREWOLF_H */