^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * PTP 1588 clock support - User space test program
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2010 OMICRON electronics GmbH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #define _GNU_SOURCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #define __SANE_USERSPACE_TYPES__ /* For PPC64, to get LL64 types */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <fcntl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <inttypes.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <math.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <signal.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <stdio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <stdlib.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <sys/ioctl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <sys/mman.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <sys/stat.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <sys/time.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <sys/timex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <sys/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <time.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <unistd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <linux/ptp_clock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define DEVICE "/dev/ptp0"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #ifndef ADJ_SETOFFSET
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define ADJ_SETOFFSET 0x0100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #ifndef CLOCK_INVALID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define CLOCK_INVALID -1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define NSEC_PER_SEC 1000000000LL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) /* clock_adjtime is not available in GLIBC < 2.14 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #if !__GLIBC_PREREQ(2, 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #include <sys/syscall.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) static int clock_adjtime(clockid_t id, struct timex *tx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) return syscall(__NR_clock_adjtime, id, tx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) static void show_flag_test(int rq_index, unsigned int flags, int err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) printf("PTP_EXTTS_REQUEST%c flags 0x%08x : (%d) %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) rq_index ? '1' + rq_index : ' ',
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) flags, err, strerror(errno));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) /* sigh, uClibc ... */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) errno = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) static void do_flag_test(int fd, unsigned int index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) struct ptp_extts_request extts_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) unsigned long request[2] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) PTP_EXTTS_REQUEST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) PTP_EXTTS_REQUEST2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) unsigned int enable_flags[5] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) PTP_ENABLE_FEATURE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) PTP_ENABLE_FEATURE | PTP_RISING_EDGE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) PTP_ENABLE_FEATURE | PTP_FALLING_EDGE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) PTP_ENABLE_FEATURE | PTP_RISING_EDGE | PTP_FALLING_EDGE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) PTP_ENABLE_FEATURE | (PTP_EXTTS_VALID_FLAGS + 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) int err, i, j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) memset(&extts_request, 0, sizeof(extts_request));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) extts_request.index = index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) for (i = 0; i < 2; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) for (j = 0; j < 5; j++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) extts_request.flags = enable_flags[j];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) err = ioctl(fd, request[i], &extts_request);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) show_flag_test(i, extts_request.flags, err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) extts_request.flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) err = ioctl(fd, request[i], &extts_request);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) static clockid_t get_clockid(int fd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) #define CLOCKFD 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) return (((unsigned int) ~fd) << 3) | CLOCKFD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) static long ppb_to_scaled_ppm(int ppb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) * The 'freq' field in the 'struct timex' is in parts per
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) * million, but with a 16 bit binary fractional field.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) * Instead of calculating either one of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) * scaled_ppm = (ppb / 1000) << 16 [1]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) * scaled_ppm = (ppb << 16) / 1000 [2]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) * we simply use double precision math, in order to avoid the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) * truncation in [1] and the possible overflow in [2].
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) return (long) (ppb * 65.536);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) static int64_t pctns(struct ptp_clock_time *t)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) return t->sec * 1000000000LL + t->nsec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) static void usage(char *progname)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) fprintf(stderr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) "usage: %s [options]\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) " -c query the ptp clock's capabilities\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) " -d name device to open\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) " -e val read 'val' external time stamp events\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) " -f val adjust the ptp clock frequency by 'val' ppb\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) " -g get the ptp clock time\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) " -h prints this message\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) " -i val index for event/trigger\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) " -k val measure the time offset between system and phc clock\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) " for 'val' times (Maximum 25)\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) " -l list the current pin configuration\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) " -L pin,val configure pin index 'pin' with function 'val'\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) " the channel index is taken from the '-i' option\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) " 'val' specifies the auxiliary function:\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) " 0 - none\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) " 1 - external time stamp\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) " 2 - periodic output\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) " -p val enable output with a period of 'val' nanoseconds\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) " -H val set output phase to 'val' nanoseconds (requires -p)\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) " -w val set output pulse width to 'val' nanoseconds (requires -p)\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) " -P val enable or disable (val=1|0) the system clock PPS\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) " -s set the ptp clock time from the system time\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) " -S set the system time from the ptp clock time\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) " -t val shift the ptp clock time by 'val' seconds\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) " -T val set the ptp clock time to 'val' seconds\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) " -z test combinations of rising/falling external time stamp flags\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) progname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) int main(int argc, char *argv[])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) struct ptp_clock_caps caps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) struct ptp_extts_event event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) struct ptp_extts_request extts_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) struct ptp_perout_request perout_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) struct ptp_pin_desc desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) struct timespec ts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) struct timex tx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) struct ptp_clock_time *pct;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) struct ptp_sys_offset *sysoff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) char *progname;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) int c, cnt, fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) char *device = DEVICE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) clockid_t clkid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) int adjfreq = 0x7fffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) int adjtime = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) int capabilities = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) int extts = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) int flagtest = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) int gettime = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) int index = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) int list_pins = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) int pct_offset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) int n_samples = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) int pin_index = -1, pin_func;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) int pps = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) int seconds = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) int settime = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) int64_t t1, t2, tp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) int64_t interval, offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) int64_t perout_phase = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) int64_t pulsewidth = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) int64_t perout = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) progname = strrchr(argv[0], '/');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) progname = progname ? 1+progname : argv[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) while (EOF != (c = getopt(argc, argv, "cd:e:f:ghH:i:k:lL:p:P:sSt:T:w:z"))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) switch (c) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) case 'c':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) capabilities = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) case 'd':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) device = optarg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) case 'e':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) extts = atoi(optarg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) case 'f':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) adjfreq = atoi(optarg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) case 'g':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) gettime = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) case 'H':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) perout_phase = atoll(optarg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) case 'i':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) index = atoi(optarg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) case 'k':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) pct_offset = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) n_samples = atoi(optarg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) case 'l':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) list_pins = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) case 'L':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) cnt = sscanf(optarg, "%d,%d", &pin_index, &pin_func);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) if (cnt != 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) usage(progname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) case 'p':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) perout = atoll(optarg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) case 'P':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) pps = atoi(optarg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) case 's':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) settime = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) case 'S':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) settime = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) case 't':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) adjtime = atoi(optarg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) case 'T':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) settime = 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) seconds = atoi(optarg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) case 'w':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) pulsewidth = atoi(optarg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) case 'z':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) flagtest = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) case 'h':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) usage(progname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) case '?':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) usage(progname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) fd = open(device, O_RDWR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) if (fd < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) fprintf(stderr, "opening %s: %s\n", device, strerror(errno));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) clkid = get_clockid(fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) if (CLOCK_INVALID == clkid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) fprintf(stderr, "failed to read clock id\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) if (capabilities) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) if (ioctl(fd, PTP_CLOCK_GETCAPS, &caps)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) perror("PTP_CLOCK_GETCAPS");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) printf("capabilities:\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) " %d maximum frequency adjustment (ppb)\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) " %d programmable alarms\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) " %d external time stamp channels\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) " %d programmable periodic signals\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) " %d pulse per second\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) " %d programmable pins\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) " %d cross timestamping\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) " %d adjust_phase\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) caps.max_adj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) caps.n_alarm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) caps.n_ext_ts,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) caps.n_per_out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) caps.pps,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) caps.n_pins,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) caps.cross_timestamping,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) caps.adjust_phase);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) if (0x7fffffff != adjfreq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) memset(&tx, 0, sizeof(tx));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) tx.modes = ADJ_FREQUENCY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) tx.freq = ppb_to_scaled_ppm(adjfreq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) if (clock_adjtime(clkid, &tx)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) perror("clock_adjtime");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) puts("frequency adjustment okay");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) if (adjtime) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) memset(&tx, 0, sizeof(tx));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) tx.modes = ADJ_SETOFFSET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) tx.time.tv_sec = adjtime;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) tx.time.tv_usec = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) if (clock_adjtime(clkid, &tx) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) perror("clock_adjtime");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) puts("time shift okay");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) if (gettime) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) if (clock_gettime(clkid, &ts)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) perror("clock_gettime");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) printf("clock time: %ld.%09ld or %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) ts.tv_sec, ts.tv_nsec, ctime(&ts.tv_sec));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) if (settime == 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) clock_gettime(CLOCK_REALTIME, &ts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) if (clock_settime(clkid, &ts)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) perror("clock_settime");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) puts("set time okay");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) if (settime == 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) clock_gettime(clkid, &ts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) if (clock_settime(CLOCK_REALTIME, &ts)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) perror("clock_settime");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) puts("set time okay");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) if (settime == 3) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) ts.tv_sec = seconds;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) ts.tv_nsec = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) if (clock_settime(clkid, &ts)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) perror("clock_settime");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) puts("set time okay");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) if (extts) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) memset(&extts_request, 0, sizeof(extts_request));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) extts_request.index = index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) extts_request.flags = PTP_ENABLE_FEATURE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) if (ioctl(fd, PTP_EXTTS_REQUEST, &extts_request)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) perror("PTP_EXTTS_REQUEST");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) extts = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) puts("external time stamp request okay");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) for (; extts; extts--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) cnt = read(fd, &event, sizeof(event));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) if (cnt != sizeof(event)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) perror("read");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) printf("event index %u at %lld.%09u\n", event.index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) event.t.sec, event.t.nsec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) fflush(stdout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) /* Disable the feature again. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) extts_request.flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) if (ioctl(fd, PTP_EXTTS_REQUEST, &extts_request)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) perror("PTP_EXTTS_REQUEST");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) if (flagtest) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) do_flag_test(fd, index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) if (list_pins) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) int n_pins = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) if (ioctl(fd, PTP_CLOCK_GETCAPS, &caps)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) perror("PTP_CLOCK_GETCAPS");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) n_pins = caps.n_pins;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) for (i = 0; i < n_pins; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) desc.index = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) if (ioctl(fd, PTP_PIN_GETFUNC, &desc)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) perror("PTP_PIN_GETFUNC");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) printf("name %s index %u func %u chan %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) desc.name, desc.index, desc.func, desc.chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) if (pulsewidth >= 0 && perout < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) puts("-w can only be specified together with -p");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) if (perout_phase >= 0 && perout < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) puts("-H can only be specified together with -p");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) if (perout >= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) if (clock_gettime(clkid, &ts)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) perror("clock_gettime");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) memset(&perout_request, 0, sizeof(perout_request));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) perout_request.index = index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) perout_request.period.sec = perout / NSEC_PER_SEC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) perout_request.period.nsec = perout % NSEC_PER_SEC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) perout_request.flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) if (pulsewidth >= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) perout_request.flags |= PTP_PEROUT_DUTY_CYCLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) perout_request.on.sec = pulsewidth / NSEC_PER_SEC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) perout_request.on.nsec = pulsewidth % NSEC_PER_SEC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) if (perout_phase >= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) perout_request.flags |= PTP_PEROUT_PHASE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) perout_request.phase.sec = perout_phase / NSEC_PER_SEC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) perout_request.phase.nsec = perout_phase % NSEC_PER_SEC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) perout_request.start.sec = ts.tv_sec + 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) perout_request.start.nsec = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) if (ioctl(fd, PTP_PEROUT_REQUEST2, &perout_request)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) perror("PTP_PEROUT_REQUEST");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) puts("periodic output request okay");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) if (pin_index >= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) memset(&desc, 0, sizeof(desc));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) desc.index = pin_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) desc.func = pin_func;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) desc.chan = index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) if (ioctl(fd, PTP_PIN_SETFUNC, &desc)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) perror("PTP_PIN_SETFUNC");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) puts("set pin function okay");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) if (pps != -1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) int enable = pps ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) if (ioctl(fd, PTP_ENABLE_PPS, enable)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) perror("PTP_ENABLE_PPS");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) puts("pps for system time request okay");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) if (pct_offset) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) if (n_samples <= 0 || n_samples > 25) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) puts("n_samples should be between 1 and 25");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) usage(progname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) sysoff = calloc(1, sizeof(*sysoff));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) if (!sysoff) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) perror("calloc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) sysoff->n_samples = n_samples;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) if (ioctl(fd, PTP_SYS_OFFSET, sysoff))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) perror("PTP_SYS_OFFSET");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) puts("system and phc clock time offset request okay");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) pct = &sysoff->ts[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) for (i = 0; i < sysoff->n_samples; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) t1 = pctns(pct+2*i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) tp = pctns(pct+2*i+1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) t2 = pctns(pct+2*i+2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) interval = t2 - t1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) offset = (t2 + t1) / 2 - tp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) printf("system time: %lld.%u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) (pct+2*i)->sec, (pct+2*i)->nsec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) printf("phc time: %lld.%u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) (pct+2*i+1)->sec, (pct+2*i+1)->nsec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) printf("system time: %lld.%u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) (pct+2*i+2)->sec, (pct+2*i+2)->nsec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) printf("system/phc clock time offset is %" PRId64 " ns\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) "system clock time delay is %" PRId64 " ns\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) offset, interval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) free(sysoff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) close(fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
3 Commits
0 Branches
0 Tags