pax_global_header00006660000000000000000000000064117377616630014533gustar00rootroot0000000000000052 comment=0deb9c7e135e9380a6d09e9d2e938a146bb698c8 pps-tools-0.20120406+g0deb9c7e/000077500000000000000000000000001173776166300155365ustar00rootroot00000000000000pps-tools-0.20120406+g0deb9c7e/.gitignore000066400000000000000000000000441173776166300175240ustar00rootroot00000000000000.depend *.o ppsctl ppstest ppswatch pps-tools-0.20120406+g0deb9c7e/COPYING000066400000000000000000000431031173776166300165720ustar00rootroot00000000000000 GNU GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change free software--to make sure the software is free for all its users. This General Public License applies to most of the Free Software Foundation's software and to any other program whose authors commit to using it. (Some other Free Software Foundation software is covered by the GNU Lesser General Public License instead.) You can apply it to your programs, too. When we speak of free software, we are referring to freedom, not price. Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software (and charge for this service if you wish), that you receive source code or can get it if you want it, that you can change the software or use pieces of it in new free programs; and that you know you can do these things. To protect your rights, we need to make restrictions that forbid anyone to deny you these rights or to ask you to surrender the rights. These restrictions translate to certain responsibilities for you if you distribute copies of the software, or if you modify it. For example, if you distribute copies of such a program, whether gratis or for a fee, you must give the recipients all the rights that you have. You must make sure that they, too, receive or can get the source code. And you must show them these terms so they know their rights. We protect your rights with two steps: (1) copyright the software, and (2) offer you this license which gives you legal permission to copy, distribute and/or modify the software. Also, for each author's protection and ours, we want to make certain that everyone understands that there is no warranty for this free software. If the software is modified by someone else and passed on, we want its recipients to know that what they have is not the original, so that any problems introduced by others will not reflect on the original authors' reputations. Finally, any free program is threatened constantly by software patents. We wish to avoid the danger that redistributors of a free program will individually obtain patent licenses, in effect making the program proprietary. To prevent this, we have made it clear that any patent must be licensed for everyone's free use or not licensed at all. The precise terms and conditions for copying, distribution and modification follow. GNU GENERAL PUBLIC LICENSE TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION 0. This License applies to any program or other work which contains a notice placed by the copyright holder saying it may be distributed under the terms of this General Public License. The "Program", below, refers to any such program or work, and a "work based on the Program" means either the Program or any derivative work under copyright law: that is to say, a work containing the Program or a portion of it, either verbatim or with modifications and/or translated into another language. (Hereinafter, translation is included without limitation in the term "modification".) Each licensee is addressed as "you". Activities other than copying, distribution and modification are not covered by this License; they are outside its scope. The act of running the Program is not restricted, and the output from the Program is covered only if its contents constitute a work based on the Program (independent of having been made by running the Program). Whether that is true depends on what the Program does. 1. You may copy and distribute verbatim copies of the Program's source code as you receive it, in any medium, provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer of warranty; keep intact all the notices that refer to this License and to the absence of any warranty; and give any other recipients of the Program a copy of this License along with the Program. You may charge a fee for the physical act of transferring a copy, and you may at your option offer warranty protection in exchange for a fee. 2. You may modify your copy or copies of the Program or any portion of it, thus forming a work based on the Program, and copy and distribute such modifications or work under the terms of Section 1 above, provided that you also meet all of these conditions: a) You must cause the modified files to carry prominent notices stating that you changed the files and the date of any change. b) You must cause any work that you distribute or publish, that in whole or in part contains or is derived from the Program or any part thereof, to be licensed as a whole at no charge to all third parties under the terms of this License. c) If the modified program normally reads commands interactively when run, you must cause it, when started running for such interactive use in the most ordinary way, to print or display an announcement including an appropriate copyright notice and a notice that there is no warranty (or else, saying that you provide a warranty) and that users may redistribute the program under these conditions, and telling the user how to view a copy of this License. (Exception: if the Program itself is interactive but does not normally print such an announcement, your work based on the Program is not required to print an announcement.) These requirements apply to the modified work as a whole. If identifiable sections of that work are not derived from the Program, and can be reasonably considered independent and separate works in themselves, then this License, and its terms, do not apply to those sections when you distribute them as separate works. But when you distribute the same sections as part of a whole which is a work based on the Program, the distribution of the whole must be on the terms of this License, whose permissions for other licensees extend to the entire whole, and thus to each and every part regardless of who wrote it. Thus, it is not the intent of this section to claim rights or contest your rights to work written entirely by you; rather, the intent is to exercise the right to control the distribution of derivative or collective works based on the Program. In addition, mere aggregation of another work not based on the Program with the Program (or with a work based on the Program) on a volume of a storage or distribution medium does not bring the other work under the scope of this License. 3. You may copy and distribute the Program (or a work based on it, under Section 2) in object code or executable form under the terms of Sections 1 and 2 above provided that you also do one of the following: a) Accompany it with the complete corresponding machine-readable source code, which must be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, b) Accompany it with a written offer, valid for at least three years, to give any third party, for a charge no more than your cost of physically performing source distribution, a complete machine-readable copy of the corresponding source code, to be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, c) Accompany it with the information you received as to the offer to distribute corresponding source code. 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If distribution of executable or object code is made by offering access to copy from a designated place, then offering equivalent access to copy the source code from the same place counts as distribution of the source code, even though third parties are not compelled to copy the source along with the object code. 4. You may not copy, modify, sublicense, or distribute the Program except as expressly provided under this License. Any attempt otherwise to copy, modify, sublicense or distribute the Program is void, and will automatically terminate your rights under this License. However, parties who have received copies, or rights, from you under this License will not have their licenses terminated so long as such parties remain in full compliance. 5. You are not required to accept this License, since you have not signed it. However, nothing else grants you permission to modify or distribute the Program or its derivative works. These actions are prohibited by law if you do not accept this License. Therefore, by modifying or distributing the Program (or any work based on the Program), you indicate your acceptance of this License to do so, and all its terms and conditions for copying, distributing or modifying the Program or works based on it. 6. Each time you redistribute the Program (or any work based on the Program), the recipient automatically receives a license from the original licensor to copy, distribute or modify the Program subject to these terms and conditions. You may not impose any further restrictions on the recipients' exercise of the rights granted herein. You are not responsible for enforcing compliance by third parties to this License. 7. If, as a consequence of a court judgment or allegation of patent infringement or for any other reason (not limited to patent issues), conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of this License, they do not excuse you from the conditions of this License. If you cannot distribute so as to satisfy simultaneously your obligations under this License and any other pertinent obligations, then as a consequence you may not distribute the Program at all. For example, if a patent license would not permit royalty-free redistribution of the Program by all those who receive copies directly or indirectly through you, then the only way you could satisfy both it and this License would be to refrain entirely from distribution of the Program. If any portion of this section is held invalid or unenforceable under any particular circumstance, the balance of the section is intended to apply and the section as a whole is intended to apply in other circumstances. It is not the purpose of this section to induce you to infringe any patents or other property right claims or to contest validity of any such claims; this section has the sole purpose of protecting the integrity of the free software distribution system, which is implemented by public license practices. Many people have made generous contributions to the wide range of software distributed through that system in reliance on consistent application of that system; it is up to the author/donor to decide if he or she is willing to distribute software through any other system and a licensee cannot impose that choice. This section is intended to make thoroughly clear what is believed to be a consequence of the rest of this License. 8. If the distribution and/or use of the Program is restricted in certain countries either by patents or by copyrighted interfaces, the original copyright holder who places the Program under this License may add an explicit geographical distribution limitation excluding those countries, so that distribution is permitted only in or among countries not thus excluded. In such case, this License incorporates the limitation as if written in the body of this License. 9. The Free Software Foundation may publish revised and/or new versions of the General Public License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. Each version is given a distinguishing version number. If the Program specifies a version number of this License which applies to it and "any later version", you have the option of following the terms and conditions either of that version or of any later version published by the Free Software Foundation. If the Program does not specify a version number of this License, you may choose any version ever published by the Free Software Foundation. 10. If you wish to incorporate parts of the Program into other free programs whose distribution conditions are different, write to the author to ask for permission. For software which is copyrighted by the Free Software Foundation, write to the Free Software Foundation; we sometimes make exceptions for this. Our decision will be guided by the two goals of preserving the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally. NO WARRANTY 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. END OF TERMS AND CONDITIONS How to Apply These Terms to Your New Programs If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free software which everyone can redistribute and change under these terms. To do so, attach the following notices to the program. It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found. Copyright (C) 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Also add information on how to contact you by electronic and paper mail. If the program is interactive, make it output a short notice like this when it starts in an interactive mode: Gnomovision version 69, Copyright (C) year name of author Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, the commands you use may be called something other than `show w' and `show c'; they could even be mouse-clicks or menu items--whatever suits your program. You should also get your employer (if you work as a programmer) or your school, if any, to sign a "copyright disclaimer" for the program, if necessary. Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the program `Gnomovision' (which makes passes at compilers) written by James Hacker. , 1 April 1989 Ty Coon, President of Vice This General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Lesser General Public License instead of this License. pps-tools-0.20120406+g0deb9c7e/Makefile000066400000000000000000000012201173776166300171710ustar00rootroot00000000000000TARGETS = ppstest ppsctl ppswatch CFLAGS += -Wall -O2 -D_GNU_SOURCE CFLAGS += -I . CFLAGS += -ggdb CFLAGS += -D__N_PPS=18 # -- Actions section -- .PHONY : all depend dep all : .depend $(TARGETS) .depend depend dep : $(CC) $(CFLAGS) -M $(TARGETS:=.c) > .depend ifeq (.depend,$(wildcard .depend)) include .depend endif install : all install -m 755 -t $(DESTDIR)/usr/bin ppsfind $(TARGETS) install -m 644 -t $(DESTDIR)/usr/include/sys timepps.h uninstall : for f in $(TARGETS); do rm $(DESTDIR)/usr/bin/$$f; done rm $(DESTDIR)/usr/include/sys/timepps.h # -- Clean section -- .PHONY : clean clean : rm -f *.o *~ core .depend rm -f ${TARGETS} pps-tools-0.20120406+g0deb9c7e/debian/000077500000000000000000000000001173776166300167605ustar00rootroot00000000000000pps-tools-0.20120406+g0deb9c7e/debian/README000066400000000000000000000007331173776166300176430ustar00rootroot00000000000000The Debian Package pps-tools ---------------------------- This package includes the necessary headers for using LinuxPPS PPSAPI kernel interface in user-space applications and several support tools: * ppsfind: find pps device by name * ppstest: test PPSAPI interface * ppsldisc: setup correct RS232 line discipline * ppswatch: continuously print PPS timestamps * ppsctl: manage PPS device -- Alexander Gordeev Wed, 12 Aug 2009 14:41:21 +0400 pps-tools-0.20120406+g0deb9c7e/debian/changelog000066400000000000000000000002201173776166300206240ustar00rootroot00000000000000pps-tools (5.3.6-1) unstable; urgency=low * Initial release. -- Alexander Gordeev Tue, 13 Apr 2010 15:17:09 +0400 pps-tools-0.20120406+g0deb9c7e/debian/compat000066400000000000000000000000021173776166300201560ustar00rootroot000000000000005 pps-tools-0.20120406+g0deb9c7e/debian/control000066400000000000000000000012671173776166300203710ustar00rootroot00000000000000Source: pps-tools Section: devel Priority: extra Maintainer: Alexander Gordeev Build-Depends: debhelper (>= 5) Standards-Version: 3.8.0 Homepage: http://wiki.enneenne.com/index.php/LinuxPPS_support Package: pps-tools Architecture: any Depends: ${shlibs:Depends}, ${misc:Depends} Description: LinuxPPS support tools and headers This package includes the necessary headers for using LinuxPPS PPSAPI kernel interface in user-space applications and several support tools: * ppsfind: find pps device by name * ppstest: test PPSAPI interface * ppsldisc: setup correct RS232 line discipline * ppswatch: continuously print PPS timestamps * ppsctl: manage PPS device pps-tools-0.20120406+g0deb9c7e/debian/copyright000066400000000000000000000021221173776166300207100ustar00rootroot00000000000000This is pps-tools, written and maintained by Alexander Gordeev on Wed, 12 Aug 2009 14:41:21 +0400. The original source can always be found at: ftp://ftp.debian.org/dists/unstable/main/source/ Copyright Holder: Rodolfo Giometti License: This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this package; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA On Debian systems, the complete text of the GNU General Public License can be found in `/usr/share/common-licenses/GPL'. pps-tools-0.20120406+g0deb9c7e/debian/dirs000066400000000000000000000000111173776166300176340ustar00rootroot00000000000000/usr/bin pps-tools-0.20120406+g0deb9c7e/debian/rules000077500000000000000000000021451173776166300200420ustar00rootroot00000000000000#!/usr/bin/make -f # -*- makefile -*- # Uncomment this to turn on verbose mode. #export DH_VERBOSE=1 CFLAGS = -Wall -g ifneq (,$(findstring noopt,$(DEB_BUILD_OPTIONS))) CFLAGS += -O0 else CFLAGS += -O2 endif configure: configure-stamp configure-stamp: dh_testdir touch configure-stamp build: build-stamp build-stamp: configure-stamp dh_testdir $(MAKE) touch $@ clean: dh_testdir dh_testroot rm -f build-stamp configure-stamp -$(MAKE) clean dh_clean install: build dh_testdir dh_testroot dh_clean -k dh_installdirs $(MAKE) DESTDIR=$(CURDIR)/debian/pps-tools install # Build architecture-independent files here. binary-indep: build install # We have nothing to do by default. # Build architecture-dependent files here. binary-arch: build install dh_testdir dh_testroot dh_installchangelogs dh_installdocs dh_installexamples # dh_install dh_installman dh_link dh_strip dh_compress dh_fixperms # dh_makeshlibs dh_installdeb dh_shlibdeps dh_gencontrol dh_md5sums dh_builddeb binary: binary-indep binary-arch .PHONY: build clean binary-indep binary-arch binary install configure pps-tools-0.20120406+g0deb9c7e/ppsctl.c000066400000000000000000000130461173776166300172130ustar00rootroot00000000000000/* * ppsctl.c -- control tool for PPS * * Copyright (C) 2009-2011 Alexander Gordeev * * 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. */ #include #include #include #include #include #include #include #include #include #include #include "timepps.h" /* variables for the command-line operations * 0 means no operation * 1 mean enable * 2 means disable */ static int do_bind = 0; /* are we binding or unbinding? */ static int do_setflags = 0; /* should we manipulate kernel NTP PPS flags? */ static int opt_edge = PPS_CAPTURECLEAR; /* which edge to use? */ static char *device; static int find_source(char *path, pps_handle_t *handle, int *avail_mode) { int ret; printf("trying PPS source \"%s\"\n", path); /* Try to find the source by using the supplied "path" name */ ret = open(path, O_RDWR); if (ret < 0) { fprintf(stderr, "unable to open device \"%s\" (%m)\n", path); return ret; } /* Open the PPS source (and check the file descriptor) */ ret = time_pps_create(ret, handle); if (ret < 0) { fprintf(stderr, "cannot create a PPS source from device " "\"%s\" (%m)\n", path); return -1; } printf("found PPS source \"%s\"\n", path); /* Find out what features are supported */ ret = time_pps_getcap(*handle, avail_mode); if (ret < 0) { fprintf(stderr, "cannot get capabilities (%m)\n"); return -1; } if ((*avail_mode & PPS_CAPTUREASSERT) == 0) { fprintf(stderr, "cannot CAPTUREASSERT\n"); return -1; } if ((*avail_mode & PPS_OFFSETASSERT) == 0) { fprintf(stderr, "cannot OFFSETASSERT\n"); return -1; } return 0; } static inline int bind(pps_handle_t handle, int edge) { return time_pps_kcbind(handle, PPS_KC_HARDPPS, edge, PPS_TSFMT_TSPEC); } static inline int unbind(pps_handle_t handle) { return time_pps_kcbind(handle, PPS_KC_HARDPPS, 0, PPS_TSFMT_TSPEC); } static inline int set_flags() { struct timex tmx = { .modes = 0 }; if (adjtimex(&tmx) == -1) { fprintf(stderr, "adjtimex get failed: %s\n", strerror(errno)); return -1; } tmx.modes = ADJ_STATUS; tmx.status |= (STA_PPSFREQ | STA_PPSTIME); if (adjtimex(&tmx) == -1) { fprintf(stderr, "adjtimex set failed: %s\n", strerror(errno)); return -1; } return 0; } static inline int unset_flags() { struct timex tmx = { .modes = 0 }; if (adjtimex(&tmx) == -1) { fprintf(stderr, "adjtimex get failed: %s\n", strerror(errno)); return -1; } tmx.modes = ADJ_STATUS; tmx.status &= ~(STA_PPSFREQ | STA_PPSTIME); if (adjtimex(&tmx) == -1) { fprintf(stderr, "adjtimex set failed: %s\n", strerror(errno)); return -1; } return 0; } static inline void usage(char *name) { fprintf(stderr, "Usage: %s [-bBfFac] \n" "Commands:\n" " -b bind kernel PPS consumer\n" " -B unbind kernel PPS consumer\n" " -f set kernel NTP PPS flags\n" " -F unset kernel NTP PPS flags\n" "Options:\n" " -a use assert edge\n" " -c use clear edge (default)\n", name); } static void parse_args(int argc, char **argv) { while (1) { int c; /* getopt_long stores the option index here. */ int option_index = 0; static struct option long_options[] = { {"bind", no_argument, 0, 'b'}, {"unbind", no_argument, 0, 'B'}, {"set-flags", no_argument, 0, 'f'}, {"unset-flags", no_argument, 0, 'F'}, {"assert", no_argument, 0, 'a'}, {"clear", no_argument, 0, 'c'}, {"help", no_argument, 0, 'h'}, {0, 0, 0, 0} }; c = getopt_long(argc, argv, "bBfFach", long_options, &option_index); /* detect the end of the options. */ if (c == -1) break; switch (c) { case 'b': { do_bind = 1; break; } case 'B': { do_bind = 2; break; } case 'f': { do_setflags = 1; break; } case 'F': { do_setflags = 2; break; } case 'a': { opt_edge = PPS_CAPTUREASSERT; break; } case 'c': { opt_edge = PPS_CAPTURECLEAR; break; } case 'h': { usage(argv[0]); exit(0); } default: { usage(argv[0]); exit(1); } } } if ((do_bind == 0) && (do_setflags == 0)) { printf("No command specified!\n"); usage(argv[0]); exit(1); } if (optind == argc - 1) { device = argv[optind]; } else { printf("Device name missing!\n"); usage(argv[0]); exit(1); } } int main(int argc, char *argv[]) { pps_handle_t handle; int avail_mode; /* Check the command line */ parse_args(argc, argv); if (find_source(device, &handle, &avail_mode) < 0) exit(EXIT_FAILURE); if (do_setflags == 2) if (unset_flags() < 0) { fprintf(stderr, "Failed to unset flags!\n"); exit(EXIT_FAILURE); } if (do_bind == 2) if (bind(handle, 0) < 0) { fprintf(stderr, "Unbind failed: %s\n", strerror(errno)); exit(EXIT_FAILURE); } if (do_bind == 1) if (bind(handle, opt_edge) < 0) { fprintf(stderr, "Bind failed: %s\n", strerror(errno)); exit(EXIT_FAILURE); } if (do_setflags == 1) if (set_flags() < 0) { fprintf(stderr, "Failed to set flags!\n"); exit(EXIT_FAILURE); } time_pps_destroy(handle); return 0; } pps-tools-0.20120406+g0deb9c7e/ppsfind000066400000000000000000000004501173776166300171230ustar00rootroot00000000000000#!/bin/sh SYS="/sys/class/pps/" if [ $# -lt 1 ] ; then echo "usage: ppsfind " >&2 exit 1 fi for d in $(ls $SYS) ; do if grep $1 $SYS/$d/name >& /dev/null || \ grep $1 $SYS/$d/path >& /dev/null ; then echo "$d: name=$(cat $SYS/$d/name) path=$(cat $SYS/$d/path)" fi done exit 0 pps-tools-0.20120406+g0deb9c7e/ppstest.c000066400000000000000000000100141173776166300174000ustar00rootroot00000000000000/* * ppstest.c -- simple tool to monitor PPS timestamps * * Copyright (C) 2005-2007 Rodolfo Giometti * * 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. */ #include #include #include #include #include #include #include "timepps.h" int find_source(char *path, pps_handle_t *handle, int *avail_mode) { pps_params_t params; int ret; printf("trying PPS source \"%s\"\n", path); /* Try to find the source by using the supplied "path" name */ ret = open(path, O_RDWR); if (ret < 0) { fprintf(stderr, "unable to open device \"%s\" (%m)\n", path); return ret; } /* Open the PPS source (and check the file descriptor) */ ret = time_pps_create(ret, handle); if (ret < 0) { fprintf(stderr, "cannot create a PPS source from device " "\"%s\" (%m)\n", path); return -1; } printf("found PPS source \"%s\"\n", path); /* Find out what features are supported */ ret = time_pps_getcap(*handle, avail_mode); if (ret < 0) { fprintf(stderr, "cannot get capabilities (%m)\n"); return -1; } if ((*avail_mode & PPS_CAPTUREASSERT) == 0) { fprintf(stderr, "cannot CAPTUREASSERT\n"); return -1; } if ((*avail_mode & PPS_OFFSETASSERT) == 0) { fprintf(stderr, "cannot OFFSETASSERT\n"); return -1; } /* Capture assert timestamps, and compensate for a 675 nsec * propagation delay */ ret = time_pps_getparams(*handle, ¶ms); if (ret < 0) { fprintf(stderr, "cannot get parameters (%m)\n"); return -1; } params.assert_offset.tv_sec = 0; params.assert_offset.tv_nsec = 675; params.mode |= PPS_CAPTUREASSERT | PPS_OFFSETASSERT; ret = time_pps_setparams(*handle, ¶ms); if (ret < 0) { fprintf(stderr, "cannot set parameters (%m)\n"); return -1; } return 0; } int fetch_source(int i, pps_handle_t *handle, int *avail_mode) { struct timespec timeout; pps_info_t infobuf; int ret; /* create a zero-valued timeout */ timeout.tv_sec = 3; timeout.tv_nsec = 0; retry: if (*avail_mode & PPS_CANWAIT) /* waits for the next event */ ret = time_pps_fetch(*handle, PPS_TSFMT_TSPEC, &infobuf, &timeout); else { sleep(1); ret = time_pps_fetch(*handle, PPS_TSFMT_TSPEC, &infobuf, &timeout); } if (ret < 0) { if (ret == -EINTR) { fprintf(stderr, "time_pps_fetch() got a signal!\n"); goto retry; } fprintf(stderr, "time_pps_fetch() error %d (%m)\n", ret); return -1; } printf("source %d - " "assert %ld.%09ld, sequence: %ld - " "clear %ld.%09ld, sequence: %ld\n", i, infobuf.assert_timestamp.tv_sec, infobuf.assert_timestamp.tv_nsec, infobuf.assert_sequence, infobuf.clear_timestamp.tv_sec, infobuf.clear_timestamp.tv_nsec, infobuf.clear_sequence); fflush(stdout); return 0; } void usage(char *name) { fprintf(stderr, "usage: %s [ ...]\n", name); exit(EXIT_FAILURE); } int main(int argc, char *argv[]) { int num; pps_handle_t handle[4]; int avail_mode[4]; int i = 0; int ret; /* Check the command line */ if (argc < 2) usage(argv[0]); for (i = 1; i < argc && i <= 4; i++) { ret = find_source(argv[i], &handle[i - 1], &avail_mode[i - 1]); if (ret < 0) exit(EXIT_FAILURE); } num = i - 1; printf("ok, found %d source(s), now start fetching data...\n", num); /* loop, printing the most recent timestamp every second or so */ while (1) { for (i = 0; i < num; i++) { ret = fetch_source(i, &handle[i], &avail_mode[i]); if (ret < 0 && errno != ETIMEDOUT) exit(EXIT_FAILURE); } } for (; i >= 0; i--) time_pps_destroy(handle[i]); return 0; } pps-tools-0.20120406+g0deb9c7e/ppswatch.c000066400000000000000000000137701173776166300175430ustar00rootroot00000000000000/* * ppswatch.c -- advanced tool to monitor PPS timestamps * * Copyright (C) 2009-2011 Alexander Gordeev * * 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. */ #include #include #include #include #include #include #include #include #include "timepps.h" /* variables for the command-line parameters */ static char *device; static int mode = PPS_CAPTURECLEAR; static int margin = 0; /* statistic variables */ static int total = 0; static int overflows = 0; static int max_unsync = 0; static int max_divergence = 0; int find_source(char *path, pps_handle_t *handle, int *avail_mode) { pps_params_t params; int ret; printf("trying PPS source \"%s\"\n", path); /* Try to find the source by using the supplied "path" name */ ret = open(path, O_RDWR); if (ret < 0) { fprintf(stderr, "unable to open device \"%s\" (%m)\n", path); return ret; } /* Open the PPS source (and check the file descriptor) */ ret = time_pps_create(ret, handle); if (ret < 0) { fprintf(stderr, "cannot create a PPS source from device " "\"%s\" (%m)\n", path); return -1; } printf("found PPS source \"%s\"\n", path); /* Find out what features are supported */ ret = time_pps_getcap(*handle, avail_mode); if (ret < 0) { fprintf(stderr, "cannot get capabilities (%m)\n"); return -1; } if (((*avail_mode) & mode) == mode) { /* Get current parameters */ ret = time_pps_getparams(*handle, ¶ms); if (ret < 0) { fprintf(stderr, "cannot get parameters (%m)\n"); return -1; } params.mode |= mode; ret = time_pps_setparams(*handle, ¶ms); if (ret < 0) { fprintf(stderr, "cannot set parameters (%m)\n"); return -1; } } else { fprintf(stderr, "selected mode not supported (%m)\n"); return -1; } fflush(stdout); return 0; } static int curr_unsync = 0; #define NSEC_PER_SEC 1000000000L int fetch_source(pps_handle_t handle, int avail_mode) { struct timespec timeout = { 3, 0 }; struct timespec ts = { 0, 0 }; unsigned long seq = 0; pps_info_t infobuf; int ret; long div; if (avail_mode & PPS_CANWAIT) /* waits for the next event */ ret = time_pps_fetch(handle, PPS_TSFMT_TSPEC, &infobuf, &timeout); else { sleep(1); ret = time_pps_fetch(handle, PPS_TSFMT_TSPEC, &infobuf, &timeout); } if (ret < 0) { if (errno == EINTR) { return -1; } fprintf(stderr, "time_pps_fetch() error %d (%m)\n", ret); return -1; } if (mode & PPS_CAPTUREASSERT) { ts = infobuf.assert_timestamp; seq = infobuf.assert_sequence; } else if (mode & PPS_CAPTURECLEAR) { ts = infobuf.clear_timestamp; seq = infobuf.clear_sequence; } if (ts.tv_nsec > NSEC_PER_SEC / 2) { ts.tv_sec++; ts.tv_nsec -= NSEC_PER_SEC; } total++; div = ts.tv_nsec; if (div < 0) div = -div; if (max_divergence < div) max_divergence = div; if (div >= margin) { printf("timestamp: %ld, sequence: %ld, offset: % 6ld\n", ts.tv_sec, seq, ts.tv_nsec); fflush(stdout); overflows++; curr_unsync++; } else { if (max_unsync < curr_unsync) max_unsync = curr_unsync; curr_unsync = 0; } return 0; } static void usage(char *name) { fprintf(stderr, "usage: %s [-a | -c] \n", name); } static void parse_args(int argc, char **argv) { while (1) { int c; /* getopt_long stores the option index here. */ int option_index = 0; static struct option long_options[] = { {"assert", no_argument, 0, 'a'}, {"clear", no_argument, 0, 'c'}, {"margin", required_argument, 0, 'm'}, {"help", no_argument, 0, 'h'}, {0, 0, 0, 0} }; c = getopt_long(argc, argv, "acm:h", long_options, &option_index); /* detect the end of the options. */ if (c == -1) break; switch (c) { case 'a': { mode |= PPS_CAPTUREASSERT; mode &= ~PPS_CAPTURECLEAR; break; } case 'c': { mode |= PPS_CAPTURECLEAR; mode &= ~PPS_CAPTUREASSERT; break; } case 'm': { char *c; margin = strtoul(optarg, &c, 0); if (*c) { fprintf(stderr, "Error parsing margin value.\n"); exit(1); } if (margin < 0) { fprintf(stderr, "Negative margin not supported.\n"); exit(1); } break; } case 'h': { usage(argv[0]); exit(0); } default: { usage(argv[0]); exit(1); } } } if (optind == argc - 1) { device = argv[optind]; } else { printf("Device name missing!\n"); usage(argv[0]); exit(1); } } void print_stats() { printf("\n\nTotal number of PPS signals: %d\n", total); if (margin) { printf("Number of overflows: %d (%f%%)\n", overflows, 100.0 * (double)overflows / (double)total); printf("Maximum unsynchronized time: %d\n", max_unsync); } printf("Maximum divergence: %d\n", max_divergence); } static void sighandler_exit(int signum) { print_stats(); } int main(int argc, char *argv[]) { pps_handle_t handle; int avail_mode; struct sigaction sigact; int ret; /* Check the command line */ parse_args(argc, argv); if (find_source(device, &handle, &avail_mode) < 0) exit(EXIT_FAILURE); if (margin) printf("using margin %d\n", margin); sigact.sa_handler = sighandler_exit; sigemptyset(&sigact.sa_mask); sigact.sa_flags = 0; sigaction(SIGINT, &sigact, NULL); sigaction(SIGTERM, &sigact, NULL); sigaction(SIGQUIT, &sigact, NULL); /* loop, printing the most recent timestamp every second or so */ while (1) { ret = fetch_source(handle, avail_mode); if (ret < 0 && errno == EINTR) { ret = 0; break; } if (ret < 0 && errno != ETIMEDOUT) break; } time_pps_destroy(handle); return ret; } pps-tools-0.20120406+g0deb9c7e/timepps.h000066400000000000000000000134241173776166300173740ustar00rootroot00000000000000/* * timepps.h -- PPS API main header * * Copyright (C) 2005-2007 Rodolfo Giometti * Copyright (C) 2009-2011 Alexander Gordeev * * 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. */ #ifndef _SYS_TIMEPPS_H_ #define _SYS_TIMEPPS_H_ #include #include #include #include #include #define LINUXPPS 1 /* signal we are using LinuxPPS */ /* * New data structures */ struct ntp_fp { unsigned int integral; unsigned int fractional; }; union pps_timeu { struct timespec tspec; struct ntp_fp ntpfp; unsigned long longpad[3]; }; struct pps_info { unsigned long assert_sequence; /* seq. num. of assert event */ unsigned long clear_sequence; /* seq. num. of clear event */ union pps_timeu assert_tu; /* time of assert event */ union pps_timeu clear_tu; /* time of clear event */ int current_mode; /* current mode bits */ }; struct pps_params { int api_version; /* API version # */ int mode; /* mode bits */ union pps_timeu assert_off_tu; /* offset compensation for assert */ union pps_timeu clear_off_tu; /* offset compensation for clear */ }; typedef int pps_handle_t; /* represents a PPS source */ typedef unsigned long pps_seq_t; /* sequence number */ typedef struct ntp_fp ntp_fp_t; /* NTP-compatible time stamp */ typedef union pps_timeu pps_timeu_t; /* generic data type for time stamps */ typedef struct pps_info pps_info_t; typedef struct pps_params pps_params_t; #define assert_timestamp assert_tu.tspec #define clear_timestamp clear_tu.tspec #define assert_timestamp_ntpfp assert_tu.ntpfp #define clear_timestamp_ntpfp clear_tu.ntpfp #define assert_offset assert_off_tu.tspec #define clear_offset clear_off_tu.tspec #define assert_offset_ntpfp assert_off_tu.ntpfp #define clear_offset_ntpfp clear_off_tu.ntpfp /* * The PPS API */ static __inline int time_pps_create(int source, pps_handle_t *handle) { int ret; struct pps_kparams dummy; if (!handle) { errno = EINVAL; return -1; } /* First we check if current device is a valid PPS one by * doing a dummy PPS_GETPARAMS... */ ret = ioctl(source, PPS_GETPARAMS, &dummy); if (ret) { errno = EOPNOTSUPP; return -1; } /* ... then since in LinuxPPS there are no differences between a * "PPS source" and a "PPS handle", we simply return the same value. */ *handle = source; return 0; } static __inline int time_pps_destroy(pps_handle_t handle) { return close(handle); } static __inline int time_pps_getparams(pps_handle_t handle, pps_params_t *ppsparams) { int ret; struct pps_kparams __ppsparams; ret = ioctl(handle, PPS_GETPARAMS, &__ppsparams); ppsparams->api_version = __ppsparams.api_version; ppsparams->mode = __ppsparams.mode; ppsparams->assert_off_tu.tspec.tv_sec = __ppsparams.assert_off_tu.sec; ppsparams->assert_off_tu.tspec.tv_nsec = __ppsparams.assert_off_tu.nsec; ppsparams->clear_off_tu.tspec.tv_sec = __ppsparams.clear_off_tu.sec; ppsparams->clear_off_tu.tspec.tv_nsec = __ppsparams.clear_off_tu.nsec; return ret; } static __inline int time_pps_setparams(pps_handle_t handle, const pps_params_t *ppsparams) { struct pps_kparams __ppsparams; __ppsparams.api_version = ppsparams->api_version; __ppsparams.mode = ppsparams->mode; __ppsparams.assert_off_tu.sec = ppsparams->assert_off_tu.tspec.tv_sec; __ppsparams.assert_off_tu.nsec = ppsparams->assert_off_tu.tspec.tv_nsec; __ppsparams.clear_off_tu.sec = ppsparams->clear_off_tu.tspec.tv_sec; __ppsparams.clear_off_tu.nsec = ppsparams->clear_off_tu.tspec.tv_nsec; return ioctl(handle, PPS_SETPARAMS, &__ppsparams); } /* Get capabilities for handle */ static __inline int time_pps_getcap(pps_handle_t handle, int *mode) { return ioctl(handle, PPS_GETCAP, mode); } static __inline int time_pps_fetch(pps_handle_t handle, const int tsformat, pps_info_t *ppsinfobuf, const struct timespec *timeout) { struct pps_fdata __fdata; int ret; /* Sanity checks */ if (tsformat != PPS_TSFMT_TSPEC) { errno = EINVAL; return -1; } if (timeout) { __fdata.timeout.sec = timeout->tv_sec; __fdata.timeout.nsec = timeout->tv_nsec; __fdata.timeout.flags = ~PPS_TIME_INVALID; } else __fdata.timeout.flags = PPS_TIME_INVALID; ret = ioctl(handle, PPS_FETCH, &__fdata); ppsinfobuf->assert_sequence = __fdata.info.assert_sequence; ppsinfobuf->clear_sequence = __fdata.info.clear_sequence; ppsinfobuf->assert_tu.tspec.tv_sec = __fdata.info.assert_tu.sec; ppsinfobuf->assert_tu.tspec.tv_nsec = __fdata.info.assert_tu.nsec; ppsinfobuf->clear_tu.tspec.tv_sec = __fdata.info.clear_tu.sec; ppsinfobuf->clear_tu.tspec.tv_nsec = __fdata.info.clear_tu.nsec; ppsinfobuf->current_mode = __fdata.info.current_mode; return ret; } #ifdef PPS_KC_BIND static __inline int time_pps_kcbind(pps_handle_t handle, const int kernel_consumer, const int edge, const int tsformat) { struct pps_bind_args __bind_args; __bind_args.tsformat = tsformat; __bind_args.edge = edge; __bind_args.consumer = kernel_consumer; return ioctl(handle, PPS_KC_BIND, &__bind_args); } #else /* !PPS_KC_BIND */ static __inline int time_pps_kcbind(pps_handle_t handle, const int kernel_consumer, const int edge, const int tsformat) { /* LinuxPPS doesn't implement kernel consumer feature */ errno = EOPNOTSUPP; return -1; } #endif /* PPS_KC_BIND */ #endif /* _SYS_TIMEPPS_H_ */