davinci: Drop unused gnsspps
Change-Id: I5811042197ffc19dd56c3609afafa6e10acf48c8
This commit is contained in:
Arian
parent
3476ddfcaf
commit
3613fe7f16
@ -174,7 +174,6 @@ PRODUCT_PACKAGES += \
|
|||||||
libbatching \
|
libbatching \
|
||||||
libgeofencing \
|
libgeofencing \
|
||||||
libgnss \
|
libgnss \
|
||||||
libgnsspps \
|
|
||||||
libsensorndkbridge
|
libsensorndkbridge
|
||||||
|
|
||||||
PRODUCT_COPY_FILES += \
|
PRODUCT_COPY_FILES += \
|
||||||
|
|||||||
@ -1,36 +0,0 @@
|
|||||||
ifneq ($(BOARD_VENDOR_QCOM_GPS_LOC_API_HARDWARE),)
|
|
||||||
LOCAL_PATH := $(call my-dir)
|
|
||||||
|
|
||||||
include $(CLEAR_VARS)
|
|
||||||
|
|
||||||
LOCAL_MODULE := libgnsspps
|
|
||||||
LOCAL_MODULE_PATH_32 := $(TARGET_OUT_VENDOR)/lib
|
|
||||||
LOCAL_MODULE_PATH_64 := $(TARGET_OUT_VENDOR)/lib64
|
|
||||||
LOCAL_MODULE_TAGS := optional
|
|
||||||
|
|
||||||
LOCAL_SHARED_LIBRARIES := \
|
|
||||||
libutils \
|
|
||||||
libcutils \
|
|
||||||
libgps.utils \
|
|
||||||
liblog
|
|
||||||
|
|
||||||
LOCAL_SRC_FILES += \
|
|
||||||
gnsspps.c
|
|
||||||
|
|
||||||
LOCAL_CFLAGS += \
|
|
||||||
-fno-short-enums \
|
|
||||||
-D_ANDROID_
|
|
||||||
|
|
||||||
## Includes
|
|
||||||
LOCAL_HEADER_LIBRARIES := \
|
|
||||||
libgps.utils_headers \
|
|
||||||
libloc_pla_headers
|
|
||||||
LOCAL_CFLAGS += $(GNSS_CFLAGS)
|
|
||||||
include $(BUILD_SHARED_LIBRARY)
|
|
||||||
|
|
||||||
include $(CLEAR_VARS)
|
|
||||||
LOCAL_MODULE := libgnsspps_headers
|
|
||||||
LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)
|
|
||||||
include $(BUILD_HEADER_LIBRARY)
|
|
||||||
|
|
||||||
endif
|
|
||||||
@ -1,37 +0,0 @@
|
|||||||
AM_CFLAGS = \
|
|
||||||
$(LOCPLA_CFLAGS) \
|
|
||||||
$(GPSUTILS_CFLAGS) \
|
|
||||||
-I$(WORKSPACE)/system/core/include \
|
|
||||||
-I./
|
|
||||||
|
|
||||||
ACLOCAL_AMFLAGS = -I m4
|
|
||||||
|
|
||||||
libgnsspps_la_SOURCES = \
|
|
||||||
gnsspps.c
|
|
||||||
|
|
||||||
if USE_GLIB
|
|
||||||
libgnsspps_la_CFLAGS = -DUSE_GLIB $(AM_CFLAGS) @GLIB_CFLAGS@
|
|
||||||
libgnsspps_la_LDFLAGS = -lstdc++ -Wl,-z,defs -lpthread @GLIB_LIBS@ -shared -version-info 1:0:0
|
|
||||||
libgnsspps_la_CPPFLAGS = -DUSE_GLIB $(AM_CFLAGS) $(AM_CPPFLAGS) @GLIB_CFLAGS@
|
|
||||||
else
|
|
||||||
libgnsspps_la_CFLAGS = $(AM_CFLAGS)
|
|
||||||
libgnsspps_la_LDFLAGS = -Wl,-z,defs -lpthread -shared -version-info 1:0:0
|
|
||||||
libgnsspps_la_CPPFLAGS = $(AM_CFLAGS) $(AM_CPPFLAGS)
|
|
||||||
endif
|
|
||||||
|
|
||||||
libgnsspps_la_LIBADD = -lstdc++ $(GPSUTILS_LIBS)
|
|
||||||
|
|
||||||
library_include_HEADERS = \
|
|
||||||
gnsspps.h
|
|
||||||
|
|
||||||
#Create and Install libraries
|
|
||||||
lib_LTLIBRARIES = libgnsspps.la
|
|
||||||
|
|
||||||
library_includedir = $(pkgincludedir)
|
|
||||||
pkgconfigdir = $(libdir)/pkgconfig
|
|
||||||
pkgconfig_DATA = gnsspps.pc
|
|
||||||
EXTRA_DIST = $(pkgconfig_DATA)
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
@ -1,70 +0,0 @@
|
|||||||
# configure.ac -- Autoconf script for gps lbs-core
|
|
||||||
#
|
|
||||||
# Process this file with autoconf to produce a configure script
|
|
||||||
|
|
||||||
# Requires autoconf tool later than 2.61
|
|
||||||
AC_PREREQ(2.61)
|
|
||||||
# Initialize the gps lbs-core package version 1.0.0
|
|
||||||
AC_INIT([gnsspps],1.0.0)
|
|
||||||
# Does not strictly follow GNU Coding standards
|
|
||||||
AM_INIT_AUTOMAKE([foreign])
|
|
||||||
# Disables auto rebuilding of configure, Makefile.ins
|
|
||||||
AM_MAINTAINER_MODE
|
|
||||||
# Verifies the --srcdir is correct by checking for the path
|
|
||||||
AC_CONFIG_SRCDIR([Makefile.am])
|
|
||||||
# defines some macros variable to be included by source
|
|
||||||
AC_CONFIG_HEADERS([config.h])
|
|
||||||
AC_CONFIG_MACRO_DIR([m4])
|
|
||||||
|
|
||||||
# Checks for programs.
|
|
||||||
AC_PROG_LIBTOOL
|
|
||||||
AC_PROG_CXX
|
|
||||||
AC_PROG_CC
|
|
||||||
AM_PROG_CC_C_O
|
|
||||||
AC_PROG_AWK
|
|
||||||
AC_PROG_CPP
|
|
||||||
AC_PROG_INSTALL
|
|
||||||
AC_PROG_LN_S
|
|
||||||
AC_PROG_MAKE_SET
|
|
||||||
PKG_PROG_PKG_CONFIG
|
|
||||||
|
|
||||||
# Checks for libraries.
|
|
||||||
PKG_CHECK_MODULES([GPSUTILS], [gps-utils])
|
|
||||||
AC_SUBST([GPSUTILS_CFLAGS])
|
|
||||||
AC_SUBST([GPSUTILS_LIBS])
|
|
||||||
|
|
||||||
AC_ARG_WITH([locpla_includes],
|
|
||||||
AC_HELP_STRING([--with-locpla-includes=@<:@dir@:>@],
|
|
||||||
[Specify the path to locpla-includes in loc-pla_git.bb]),
|
|
||||||
[locpla_incdir=$withval],
|
|
||||||
with_locpla_includes=no)
|
|
||||||
|
|
||||||
if test "x${with_locpla_includes}" != "xno"; then
|
|
||||||
AC_SUBST(LOCPLA_CFLAGS, "-I${locpla_incdir}")
|
|
||||||
fi
|
|
||||||
|
|
||||||
AC_ARG_WITH([glib],
|
|
||||||
AC_HELP_STRING([--with-glib],
|
|
||||||
[enable glib, building HLOS systems which use glib]))
|
|
||||||
|
|
||||||
if (test "x${with_glib}" = "xyes"); then
|
|
||||||
AC_DEFINE(ENABLE_USEGLIB, 1, [Define if HLOS systems uses glib])
|
|
||||||
PKG_CHECK_MODULES(GTHREAD, gthread-2.0 >= 2.16, dummy=yes,
|
|
||||||
AC_MSG_ERROR(GThread >= 2.16 is required))
|
|
||||||
PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.16, dummy=yes,
|
|
||||||
AC_MSG_ERROR(GLib >= 2.16 is required))
|
|
||||||
GLIB_CFLAGS="$GLIB_CFLAGS $GTHREAD_CFLAGS"
|
|
||||||
GLIB_LIBS="$GLIB_LIBS $GTHREAD_LIBS"
|
|
||||||
|
|
||||||
AC_SUBST(GLIB_CFLAGS)
|
|
||||||
AC_SUBST(GLIB_LIBS)
|
|
||||||
fi
|
|
||||||
|
|
||||||
AM_CONDITIONAL(USE_GLIB, test "x${with_glib}" = "xyes")
|
|
||||||
|
|
||||||
AC_CONFIG_FILES([ \
|
|
||||||
Makefile \
|
|
||||||
gnsspps.pc
|
|
||||||
])
|
|
||||||
|
|
||||||
AC_OUTPUT
|
|
||||||
@ -1,391 +0,0 @@
|
|||||||
/* Copyright (c) 2011-2015, The Linux Foundation. All rights reserved.
|
|
||||||
*
|
|
||||||
* Redistribution and use in source and binary forms, with or without
|
|
||||||
* modification, are permitted provided that the following conditions are
|
|
||||||
* met:
|
|
||||||
* * Redistributions of source code must retain the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer.
|
|
||||||
* * Redistributions in binary form must reproduce the above
|
|
||||||
* copyright notice, this list of conditions and the following
|
|
||||||
* disclaimer in the documentation and/or other materials provided
|
|
||||||
* with the distribution.
|
|
||||||
* * Neither the name of The Linux Foundatoin, nor the names of its
|
|
||||||
* contributors may be used to endorse or promote products derived
|
|
||||||
* from this software without specific prior written permission.
|
|
||||||
*
|
|
||||||
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
|
|
||||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
||||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
|
|
||||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
|
|
||||||
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
||||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
||||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
|
|
||||||
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
||||||
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
|
|
||||||
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
|
|
||||||
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
||||||
*/
|
|
||||||
#include <log_util.h>
|
|
||||||
#include <stdio.h>
|
|
||||||
#include <stdlib.h>
|
|
||||||
#include <unistd.h>
|
|
||||||
#include <fcntl.h>
|
|
||||||
#include <sys/types.h>
|
|
||||||
#include <sys/stat.h>
|
|
||||||
#include <pthread.h>
|
|
||||||
#include <timepps.h>
|
|
||||||
#include <linux/types.h>
|
|
||||||
#include <stdbool.h>
|
|
||||||
#include "loc_cfg.h"
|
|
||||||
#include <inttypes.h>
|
|
||||||
#include <time.h>
|
|
||||||
#include <math.h>
|
|
||||||
|
|
||||||
#define BILLION_NSEC (1E9)
|
|
||||||
|
|
||||||
typedef struct timespec pps_sync_time;
|
|
||||||
|
|
||||||
//DRsync kernel timestamp
|
|
||||||
static struct timespec drsyncKernelTs = {0,0};
|
|
||||||
//DRsync userspace timestamp
|
|
||||||
static struct timespec drsyncUserTs = {0,0};
|
|
||||||
|
|
||||||
static struct timespec prevDrsyncKernelTs = {0,0};
|
|
||||||
|
|
||||||
//flag to stop fetching timestamp
|
|
||||||
static int isActive = 0;
|
|
||||||
static pps_handle handle;
|
|
||||||
|
|
||||||
static pthread_mutex_t ts_lock;
|
|
||||||
static int skipPPSPulseCnt = 0;
|
|
||||||
static int gnssOutageInSec = 1;
|
|
||||||
static loc_param_s_type gps_conf_param_table[] =
|
|
||||||
{
|
|
||||||
{"IGNORE_PPS_PULSE_COUNT", &skipPPSPulseCnt, NULL, 'n'},
|
|
||||||
{"GNSS_OUTAGE_DURATION", &gnssOutageInSec, NULL, 'n'}
|
|
||||||
};
|
|
||||||
|
|
||||||
typedef enum {
|
|
||||||
KERNEL_REPORTED_CLOCK_BOOTTIME = 0,
|
|
||||||
KERNEL_REPORTED_CLOCK_REALTIME,
|
|
||||||
KERNEL_REPORTED_CLOCK_UNKNOWN = 0xfe,
|
|
||||||
KERNEL_REPORTED_CLOCK_MAX = 0xff
|
|
||||||
} kernel_reported_time_e;
|
|
||||||
|
|
||||||
/* checks the PPS source and opens it */
|
|
||||||
int check_device(char *path, pps_handle *handle)
|
|
||||||
{
|
|
||||||
int ret;
|
|
||||||
|
|
||||||
/* Try to find the source by using the supplied "path" name */
|
|
||||||
ret = open(path, O_RDONLY);
|
|
||||||
if (ret < 0)
|
|
||||||
{
|
|
||||||
LOC_LOGV("%s:%d unable to open device %s", __func__, __LINE__, path);
|
|
||||||
return ret;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Open the PPS source */
|
|
||||||
ret = pps_create(ret, handle);
|
|
||||||
if (ret < 0)
|
|
||||||
{
|
|
||||||
LOC_LOGV( "%s:%d cannot create a PPS source from device %s", __func__, __LINE__, path);
|
|
||||||
return -1;
|
|
||||||
}
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
/* calculate the time difference between two given times in argument -
|
|
||||||
** returns the result in timeDifference parametter*/
|
|
||||||
static inline void calculate_time_difference(pps_sync_time time1,
|
|
||||||
pps_sync_time time2, pps_sync_time* timeDifference)
|
|
||||||
{
|
|
||||||
if (time2.tv_nsec < time1.tv_nsec) {
|
|
||||||
timeDifference->tv_sec = time2.tv_sec - 1 - time1.tv_sec;
|
|
||||||
timeDifference->tv_nsec = BILLION_NSEC + time2.tv_nsec - time1.tv_nsec;
|
|
||||||
} else {
|
|
||||||
timeDifference->tv_sec = time2.tv_sec - time1.tv_sec;
|
|
||||||
timeDifference->tv_nsec = time2.tv_nsec - time1.tv_nsec;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/*add two timespec values and return the result in third resultTime parameter*/
|
|
||||||
static inline void pps_sync_time_add(pps_sync_time time1,
|
|
||||||
pps_sync_time time2, pps_sync_time* resultTime)
|
|
||||||
{
|
|
||||||
if (time2.tv_nsec + time1.tv_nsec >= BILLION_NSEC) {
|
|
||||||
resultTime->tv_sec = time2.tv_sec + time1.tv_sec + 1;
|
|
||||||
resultTime->tv_nsec = time2.tv_nsec + time1.tv_nsec - BILLION_NSEC;
|
|
||||||
} else {
|
|
||||||
resultTime->tv_sec = time2.tv_sec + time1.tv_sec;
|
|
||||||
resultTime->tv_nsec = time2.tv_nsec + time1.tv_nsec;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#define MAX_REALTIME_OFFSET_DELTA_DIFFERENCE 10
|
|
||||||
#define MAX_PPS_KERNEL_TO_USERSPACE_LATENCY 100 /*in milli-second*/
|
|
||||||
|
|
||||||
static inline double convertTimeToMilliSec(pps_sync_time timeToConvert)
|
|
||||||
{
|
|
||||||
return ((double)(timeToConvert.tv_sec * 1000) + (double)(timeToConvert.tv_nsec * 0.000001));
|
|
||||||
}
|
|
||||||
|
|
||||||
/*returnValue: 1 = offsetTime OK, 0 = offsetTime NOT OK*/
|
|
||||||
static inline bool isTimeOffsetOk(pps_sync_time offsetTime)
|
|
||||||
{
|
|
||||||
double offsetInMillis = convertTimeToMilliSec(offsetTime);
|
|
||||||
return (fabs(offsetInMillis) <= MAX_REALTIME_OFFSET_DELTA_DIFFERENCE)? true: false;
|
|
||||||
}
|
|
||||||
|
|
||||||
/*check whether kernel PPS timestamp is a CLOCK_BOOTTIME or CLOCK_REALTIME*/
|
|
||||||
static kernel_reported_time_e get_reported_time_type(pps_sync_time userBootTs,
|
|
||||||
pps_sync_time userRealTs,
|
|
||||||
pps_sync_time kernelTs)
|
|
||||||
{
|
|
||||||
double userRealMs, userBootMs, kernelTsMs;
|
|
||||||
kernel_reported_time_e reportedTime = KERNEL_REPORTED_CLOCK_UNKNOWN;
|
|
||||||
|
|
||||||
userRealMs = convertTimeToMilliSec(userRealTs);
|
|
||||||
userBootMs = convertTimeToMilliSec(userBootTs);
|
|
||||||
kernelTsMs = convertTimeToMilliSec(kernelTs);
|
|
||||||
|
|
||||||
if(fabs(userBootMs - kernelTsMs) <= MAX_PPS_KERNEL_TO_USERSPACE_LATENCY) {
|
|
||||||
reportedTime = KERNEL_REPORTED_CLOCK_BOOTTIME;
|
|
||||||
} else if (fabs(userRealMs - kernelTsMs) <= MAX_PPS_KERNEL_TO_USERSPACE_LATENCY) {
|
|
||||||
reportedTime = KERNEL_REPORTED_CLOCK_REALTIME;
|
|
||||||
} else {
|
|
||||||
reportedTime = KERNEL_REPORTED_CLOCK_UNKNOWN;
|
|
||||||
}
|
|
||||||
|
|
||||||
LOC_LOGV("[%s] Detected PPS timestamp type (0:Boot, 1:Real, 0xfe:Unknown):0x%x",
|
|
||||||
__func__, reportedTime);
|
|
||||||
|
|
||||||
return reportedTime;
|
|
||||||
}
|
|
||||||
|
|
||||||
/*compute_real_to_boot_time - converts the kernel real time stamp to boot time reference*/
|
|
||||||
static int compute_real_to_boot_time(pps_info ppsFetchTime)
|
|
||||||
{
|
|
||||||
int retVal = 0;
|
|
||||||
/*Offset between REAL_TIME to BOOT_TIME*/
|
|
||||||
static pps_sync_time time_offset = {0, 0};
|
|
||||||
pps_sync_time drSyncUserRealTs, drSyncUserBootTs;
|
|
||||||
pps_sync_time deltaRealToBootTime = {0, 0};
|
|
||||||
pps_sync_time deltaOffsetTime = {0, 0};
|
|
||||||
kernel_reported_time_e ppsTimeType;
|
|
||||||
|
|
||||||
retVal = clock_gettime(CLOCK_BOOTTIME,&drSyncUserBootTs);
|
|
||||||
if (retVal != 0) {
|
|
||||||
LOC_LOGE("[%s]Error Reading CLOCK_BOOTTIME", __func__);
|
|
||||||
retVal = -1;
|
|
||||||
goto exit0;
|
|
||||||
}
|
|
||||||
retVal = clock_gettime(CLOCK_REALTIME,&drSyncUserRealTs);
|
|
||||||
if (retVal != 0){
|
|
||||||
LOC_LOGE("[%s]Error Reading CLOCK_REALTIME", __func__);
|
|
||||||
retVal = -1;
|
|
||||||
goto exit0;
|
|
||||||
}
|
|
||||||
|
|
||||||
ppsTimeType = get_reported_time_type(drSyncUserBootTs, drSyncUserRealTs, ppsFetchTime);
|
|
||||||
|
|
||||||
if (KERNEL_REPORTED_CLOCK_BOOTTIME == ppsTimeType) {
|
|
||||||
|
|
||||||
/*Store PPS kernel time*/
|
|
||||||
drsyncKernelTs.tv_sec = ppsFetchTime.tv_sec;
|
|
||||||
drsyncKernelTs.tv_nsec = ppsFetchTime.tv_nsec;
|
|
||||||
/*Store User PPS fetch time*/
|
|
||||||
drsyncUserTs.tv_sec = drSyncUserBootTs.tv_sec;
|
|
||||||
drsyncUserTs.tv_nsec = drSyncUserBootTs.tv_nsec;
|
|
||||||
|
|
||||||
LOC_LOGV("[compute_real_to_boot] PPS TimeType CLOCK_BOOTTIME -- report as is");
|
|
||||||
retVal = 0;
|
|
||||||
} else if (KERNEL_REPORTED_CLOCK_REALTIME == ppsTimeType) {
|
|
||||||
|
|
||||||
/* Calculate time difference between REALTIME to BOOT_TIME*/
|
|
||||||
calculate_time_difference(drSyncUserRealTs, drSyncUserBootTs, &deltaRealToBootTime);
|
|
||||||
|
|
||||||
/* Calculate the time difference between stored offset and computed one now*/
|
|
||||||
calculate_time_difference(time_offset, deltaRealToBootTime, &deltaOffsetTime);
|
|
||||||
|
|
||||||
if ((0 == time_offset.tv_sec && 0 == time_offset.tv_nsec) ||
|
|
||||||
(isTimeOffsetOk(deltaOffsetTime))) {
|
|
||||||
/* if Time Offset does not change beyond threshold then
|
|
||||||
** convert to boot time*/
|
|
||||||
drsyncUserTs.tv_sec = drSyncUserBootTs.tv_sec;
|
|
||||||
drsyncUserTs.tv_nsec = drSyncUserBootTs.tv_nsec;
|
|
||||||
pps_sync_time_add(ppsFetchTime, deltaRealToBootTime, &drsyncKernelTs);
|
|
||||||
retVal = 0;
|
|
||||||
} else {
|
|
||||||
/*The offset is too high, jump detected in realTime tick, either
|
|
||||||
** wall clock changed by user of NTP, skip PPS, re-sync @ next tick
|
|
||||||
*/
|
|
||||||
LOC_LOGE("[%s] Jump detected in CLOCK_REALTIME - Offset %ld:%ld", __func__,
|
|
||||||
deltaOffsetTime.tv_sec, deltaOffsetTime.tv_nsec);
|
|
||||||
retVal = -1;
|
|
||||||
}
|
|
||||||
time_offset.tv_sec = deltaRealToBootTime.tv_sec;
|
|
||||||
time_offset.tv_nsec = deltaRealToBootTime.tv_nsec;
|
|
||||||
|
|
||||||
LOC_LOGV("[compute_real_to_boot] KernelRealTs %ld:%ld ComputedTs %ld:%ld RealTs %ld:%ld BootTs %ld:%ld Offset %ld:%ld retVal %d ",
|
|
||||||
ppsFetchTime.tv_sec, ppsFetchTime.tv_nsec,
|
|
||||||
drsyncKernelTs.tv_sec, drsyncKernelTs.tv_nsec, drSyncUserRealTs.tv_sec,
|
|
||||||
drSyncUserRealTs.tv_nsec, drsyncUserTs.tv_sec, drsyncUserTs.tv_nsec,
|
|
||||||
time_offset.tv_sec, time_offset.tv_nsec, retVal);
|
|
||||||
} else {
|
|
||||||
LOC_LOGV("[compute_real_to_boot] PPS TimeType Unknown -- KernelTs %ld:%ld userRealTs %ld:%ld userBootTs %ld:%ld",
|
|
||||||
ppsFetchTime.tv_sec, ppsFetchTime.tv_nsec,
|
|
||||||
drSyncUserRealTs.tv_sec, drSyncUserRealTs.tv_nsec,
|
|
||||||
drsyncUserTs.tv_sec, drsyncUserTs.tv_nsec);
|
|
||||||
retVal = -1;
|
|
||||||
}
|
|
||||||
|
|
||||||
exit0:
|
|
||||||
return retVal;
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
/* fetches the timestamp from the PPS source */
|
|
||||||
int read_pps(pps_handle *handle)
|
|
||||||
{
|
|
||||||
struct timespec timeout;
|
|
||||||
pps_info infobuf;
|
|
||||||
int ret;
|
|
||||||
static bool isFirstPulseReceived = false;
|
|
||||||
static unsigned int skipPulseCnt = 0;
|
|
||||||
// 3sec timeout
|
|
||||||
timeout.tv_sec = 3;
|
|
||||||
timeout.tv_nsec = 0;
|
|
||||||
|
|
||||||
ret = pps_fetch(*handle, PPS_TSFMT_TSPEC, &infobuf, &timeout);
|
|
||||||
|
|
||||||
if (ret < 0 && ret !=-EINTR)
|
|
||||||
{
|
|
||||||
LOC_LOGV("%s:%d pps_fetch() error %d", __func__, __LINE__, ret);
|
|
||||||
return -1;
|
|
||||||
}
|
|
||||||
if (!isFirstPulseReceived && (skipPPSPulseCnt > 0)) {
|
|
||||||
skipPulseCnt = skipPPSPulseCnt;
|
|
||||||
isFirstPulseReceived = true;
|
|
||||||
LOC_LOGV("%s:%d first pps pulse received %ld (sec) %ld (nsec)",
|
|
||||||
__func__, __LINE__, infobuf.tv_sec, infobuf.tv_nsec)
|
|
||||||
}else if (isFirstPulseReceived && (skipPPSPulseCnt > 0) &&
|
|
||||||
((infobuf.tv_sec - prevDrsyncKernelTs.tv_sec) > gnssOutageInSec)) {
|
|
||||||
LOC_LOGV("%s:%d long RF outage detected, ignore next %d PPS Pulses",
|
|
||||||
__func__, __LINE__, skipPPSPulseCnt)
|
|
||||||
skipPulseCnt = skipPPSPulseCnt;
|
|
||||||
}
|
|
||||||
prevDrsyncKernelTs.tv_sec = infobuf.tv_sec;
|
|
||||||
prevDrsyncKernelTs.tv_nsec = infobuf.tv_nsec;
|
|
||||||
/* check if this dr sync pulse need to be ignored or not*/
|
|
||||||
if (skipPulseCnt > 0) {
|
|
||||||
LOC_LOGV("%s:%d skip pps count %d, ignoring this pps pulse %ld (sec) %ld (nsec)",
|
|
||||||
__func__,__LINE__, skipPulseCnt, infobuf.tv_sec, infobuf.tv_nsec);
|
|
||||||
skipPulseCnt--;
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
/* update dr syncpulse time*/
|
|
||||||
|
|
||||||
pthread_mutex_lock(&ts_lock);
|
|
||||||
|
|
||||||
ret = compute_real_to_boot_time(infobuf);
|
|
||||||
|
|
||||||
pthread_mutex_unlock(&ts_lock);
|
|
||||||
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
#ifdef __cplusplus
|
|
||||||
extern "C" {
|
|
||||||
#endif
|
|
||||||
/* infinitely calls read_pps() */
|
|
||||||
void *thread_handle(void *input)
|
|
||||||
{
|
|
||||||
int ret;
|
|
||||||
if(input != NULL)
|
|
||||||
{
|
|
||||||
LOC_LOGV("%s:%d Thread Input is present", __func__, __LINE__);
|
|
||||||
}
|
|
||||||
while(isActive)
|
|
||||||
{
|
|
||||||
ret = read_pps(&handle);
|
|
||||||
|
|
||||||
if (ret == -1 && errno != ETIMEDOUT )
|
|
||||||
{
|
|
||||||
LOC_LOGV("%s:%d Could not fetch PPS source", __func__, __LINE__);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* opens the device and fetches from PPS source */
|
|
||||||
int initPPS(char *devname)
|
|
||||||
{
|
|
||||||
int ret,pid;
|
|
||||||
pthread_t thread;
|
|
||||||
isActive = 1;
|
|
||||||
|
|
||||||
ret = check_device(devname, &handle);
|
|
||||||
if (ret < 0)
|
|
||||||
{
|
|
||||||
LOC_LOGV("%s:%d Could not find PPS source", __func__, __LINE__);
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
UTIL_READ_CONF(LOC_PATH_GPS_CONF, gps_conf_param_table);
|
|
||||||
pthread_mutex_init(&ts_lock,NULL);
|
|
||||||
|
|
||||||
pid = pthread_create(&thread,NULL,&thread_handle,NULL);
|
|
||||||
if(pid != 0)
|
|
||||||
{
|
|
||||||
LOC_LOGV("%s:%d Could not create thread in InitPPS", __func__, __LINE__);
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* stops fetching and closes the device */
|
|
||||||
void deInitPPS()
|
|
||||||
{
|
|
||||||
pthread_mutex_lock(&ts_lock);
|
|
||||||
isActive = 0;
|
|
||||||
pthread_mutex_unlock(&ts_lock);
|
|
||||||
|
|
||||||
pthread_mutex_destroy(&ts_lock);
|
|
||||||
pps_destroy(handle);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* retrieves DRsync kernel timestamp,DRsync userspace timestamp
|
|
||||||
and updates current timestamp */
|
|
||||||
/* Returns:
|
|
||||||
* 1. @Param out DRsync kernel timestamp
|
|
||||||
* 2. @Param out DRsync userspace timestamp
|
|
||||||
* 3. @Param out current timestamp
|
|
||||||
*/
|
|
||||||
int getPPS(struct timespec *fineKernelTs ,struct timespec *currentTs,
|
|
||||||
struct timespec *fineUserTs)
|
|
||||||
{
|
|
||||||
int ret;
|
|
||||||
|
|
||||||
pthread_mutex_lock(&ts_lock);
|
|
||||||
fineKernelTs->tv_sec = drsyncKernelTs.tv_sec;
|
|
||||||
fineKernelTs->tv_nsec = drsyncKernelTs.tv_nsec;
|
|
||||||
|
|
||||||
fineUserTs->tv_sec = drsyncUserTs.tv_sec;
|
|
||||||
fineUserTs->tv_nsec = drsyncUserTs.tv_nsec;
|
|
||||||
|
|
||||||
ret = clock_gettime(CLOCK_BOOTTIME,currentTs);
|
|
||||||
pthread_mutex_unlock(&ts_lock);
|
|
||||||
if(ret != 0)
|
|
||||||
{
|
|
||||||
LOC_LOGV("%s:%d clock_gettime() error",__func__,__LINE__);
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
#ifdef __cplusplus
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
@ -1,45 +0,0 @@
|
|||||||
/* Copyright (c) 2011-2015, The Linux Foundation. All rights reserved.
|
|
||||||
*
|
|
||||||
* Redistribution and use in source and binary forms, with or without
|
|
||||||
* modification, are permitted provided that the following conditions are
|
|
||||||
* met:
|
|
||||||
* * Redistributions of source code must retain the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer.
|
|
||||||
* * Redistributions in binary form must reproduce the above
|
|
||||||
* copyright notice, this list of conditions and the following
|
|
||||||
* disclaimer in the documentation and/or other materials provided
|
|
||||||
* with the distribution.
|
|
||||||
* * Neither the name of The Linux Foundatoin, nor the names of its
|
|
||||||
* contributors may be used to endorse or promote products derived
|
|
||||||
* from this software without specific prior written permission.
|
|
||||||
*
|
|
||||||
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
|
|
||||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
||||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
|
|
||||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
|
|
||||||
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
||||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
||||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
|
|
||||||
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
||||||
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
|
|
||||||
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
|
|
||||||
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
||||||
*/
|
|
||||||
#ifndef _GNSSPPS_H
|
|
||||||
#define _GNSSPPS_H
|
|
||||||
|
|
||||||
#ifdef __cplusplus
|
|
||||||
extern "C" {
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* opens the device and fetches from PPS source */
|
|
||||||
int initPPS(char *devname);
|
|
||||||
/* updates the fine time stamp */
|
|
||||||
int getPPS(struct timespec *current_ts, struct timespec *current_boottime, struct timespec *last_boottime);
|
|
||||||
/* stops fetching and closes the device */
|
|
||||||
void deInitPPS();
|
|
||||||
|
|
||||||
#ifdef __cplusplus
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
#endif
|
|
||||||
@ -1,10 +0,0 @@
|
|||||||
prefix=@prefix@
|
|
||||||
exec_prefix=@exec_prefix@
|
|
||||||
libdir=@libdir@
|
|
||||||
includedir=@includedir@
|
|
||||||
|
|
||||||
Name: gnsspps
|
|
||||||
Description: QTI GPS gnsspps
|
|
||||||
Version: @VERSION
|
|
||||||
Libs: -L${libdir} -lgnsspps
|
|
||||||
Cflags: -I${includedir}/gnsspps
|
|
||||||
@ -1,106 +0,0 @@
|
|||||||
/* Copyright (c) 2011-2015, The Linux Foundation. All rights reserved.
|
|
||||||
*
|
|
||||||
* Redistribution and use in source and binary forms, with or without
|
|
||||||
* modification, are permitted provided that the following conditions are
|
|
||||||
* met:
|
|
||||||
* * Redistributions of source code must retain the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer.
|
|
||||||
* * Redistributions in binary form must reproduce the above
|
|
||||||
* copyright notice, this list of conditions and the following
|
|
||||||
* disclaimer in the documentation and/or other materials provided
|
|
||||||
* with the distribution.
|
|
||||||
* * Neither the name of The Linux Foundatoin, nor the names of its
|
|
||||||
* contributors may be used to endorse or promote products derived
|
|
||||||
* from this software without specific prior written permission.
|
|
||||||
*
|
|
||||||
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
|
|
||||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
||||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
|
|
||||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
|
|
||||||
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
||||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
||||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
|
|
||||||
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
||||||
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
|
|
||||||
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
|
|
||||||
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
||||||
*/
|
|
||||||
#include <errno.h>
|
|
||||||
#include <sys/time.h>
|
|
||||||
#include <sys/ioctl.h>
|
|
||||||
#include <linux/types.h>
|
|
||||||
#include <linux/pps.h>
|
|
||||||
|
|
||||||
#ifndef _TIMEPPS_H
|
|
||||||
#define _TIMEPPS_H
|
|
||||||
|
|
||||||
#ifdef __cplusplus
|
|
||||||
extern "C" {
|
|
||||||
#endif
|
|
||||||
/* time of assert event */
|
|
||||||
typedef struct timespec pps_info;
|
|
||||||
/* represents pps source */
|
|
||||||
typedef int pps_handle;
|
|
||||||
|
|
||||||
/* Open the PPS source */
|
|
||||||
static __inline int pps_create(int source, pps_handle *handle)
|
|
||||||
{
|
|
||||||
int ret;
|
|
||||||
struct pps_kparams dummy;
|
|
||||||
|
|
||||||
if (!handle)
|
|
||||||
{
|
|
||||||
errno = EINVAL;
|
|
||||||
return -1;
|
|
||||||
}
|
|
||||||
/* check if current device is valid pps */
|
|
||||||
ret = ioctl(source, PPS_GETPARAMS, &dummy);
|
|
||||||
if (ret)
|
|
||||||
{
|
|
||||||
errno = EOPNOTSUPP;
|
|
||||||
return -1;
|
|
||||||
}
|
|
||||||
*handle = source;
|
|
||||||
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
/* close the pps source */
|
|
||||||
static __inline int pps_destroy(pps_handle handle)
|
|
||||||
{
|
|
||||||
return close(handle);
|
|
||||||
}
|
|
||||||
/*reads timestamp from pps device*/
|
|
||||||
static __inline int pps_fetch(pps_handle handle, const int tsformat,
|
|
||||||
pps_info *ppsinfobuf,
|
|
||||||
const struct timespec *timeout)
|
|
||||||
{
|
|
||||||
struct pps_fdata fdata;
|
|
||||||
int ret;
|
|
||||||
|
|
||||||
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->tv_sec = fdata.info.assert_tu.sec;
|
|
||||||
ppsinfobuf->tv_nsec = fdata.info.assert_tu.nsec;
|
|
||||||
|
|
||||||
return ret;
|
|
||||||
}
|
|
||||||
|
|
||||||
#ifdef __cplusplus
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
#endif
|
|
||||||
Loading…
Reference in New Issue
Block a user