| title | cover | categories | tags | toc | abbrlink | date | ||
|---|---|---|---|---|---|---|---|---|
Android 11 Gnss System源码分析（1）：Gnss流程分析 |
|
|
true |
20230516 |
2023-05-16 09:16:16 -0700 |
注：文章都是通过阅读各位前辈总结的资料、Android 11 Rockchip平台源码、加上自己的思考分析总结出来的，其中难免有理解不对的地方，欢迎大家批评指正。文章为个人学习、研究、欣赏之用，图文内容整理自互联网，如有侵权，请联系删除（◕‿◕），转载请注明出处（©Rockchip ©Android @Linux 版权所有），谢谢。
（==文章基于 Android 11.0==）
正是由于前人的分析和总结，帮助我节约了大量的时间和精力，特别感谢，由于不喜欢图片水印，去除了水印，敬请谅解！！！
==源码（部分）==：
xxx
==源码（部分）==：
Z:\newcc\lagvm\lagvm\LINUX\android\vendor\unicore_gnss\service2_0\android.hardware.gnss@2.0-service-unicore.rc
service gnss_service /vendor/bin/hw/android.hardware.gnss@2.0-service-unicore
class hal
user root
group gps system root
seclabel u:r:hal_gnss_unicore:s0
Z:\newcc\lagvm\lagvm\LINUX\android\vendor\unicore_gnss\service2_0\service.cpp
01-01 08:00:09.607 452 452 D Gnss : #00 pc 0000000000014ca0 /vendor/bin/hw/android.hardware.gnss@2.0-service-unicore (android::hardware::gnss::V2_0::implementation::Gnss::setCallback_2_0(android::sp<android::hardware::gnss::V2_0::IGnssCallback> const&)+120)
01-01 08:00:09.607 452 452 D Gnss : #01 pc 000000000005f508 /apex/com.android.vndk.v30/lib64/android.hardware.gnss@2.0.so (android::hardware::gnss::V2_0::BnHwGnss::_hidl_setCallback_2_0(android::hidl::base::V1_0::BnHwBase*, android::hardware::Parcel const&, android::hardware::Parcel*, std::__1::function<void (android::hardware::Parcel&)>)+316)
01-01 08:00:09.607 452 452 D Gnss : #02 pc 00000000000623ac /apex/com.android.vndk.v30/lib64/android.hardware.gnss@2.0.so (android::hardware::gnss::V2_0::BnHwGnss::onTransact(unsigned int, android::hardware::Parcel const&, android::hardware::Parcel*, unsigned int, std::__1::function<void (android::hardware::Parcel&)>)+3260)
01-01 08:00:09.607 452 452 D Gnss : #03 pc 0000000000093fac /apex/com.android.vndk.v30/lib64/libhidlbase.so (android::hardware::BHwBinder::transact(unsigned int, android::hardware::Parcel const&, android::hardware::Parcel*, unsigned int, std::__1::function<void (android::hardware::Parcel&)>)+68)
01-01 08:00:09.607 452 452 D Gnss : #04 pc 0000000000097f44 /apex/com.android.vndk.v30/lib64/libhidlbase.so (android::hardware::IPCThreadState::getAndExecuteCommand()+1076)
01-01 08:00:09.607 452 452 D Gnss : #05 pc 000000000009918c /apex/com.android.vndk.v30/lib64/libhidlbase.so (android::hardware::IPCThreadState::joinThreadPool(bool)+96)
01-01 08:00:09.608 452 452 D Gnss : #06 pc 000000000000f88c /vendor/bin/hw/android.hardware.gnss@2.0-service-unicore (main+184)
01-01 08:00:09.608 452 452 D Gnss : #07 pc 00000000000499fc /apex/com.android.runtime/lib64/bionic/libc.so (__libc_init+108)
Stack Trace:
RELADDR FUNCTION FILE:LINE
0000000000014ca0 android::hardware::gnss::V2_0::implementation::Gnss::setCallback_2_0(android::sp<android::hardware::gnss::V2_0::IGnssCallback> const&)+120 vendor/unicore_gnss/service2_0/Gnss.cpp:739
000000000005f508 android::hardware::gnss::V2_0::BnHwGnss::_hidl_setCallback_2_0(android::hidl::base::V1_0::BnHwBase*, android::hardware::Parcel const&, android::hardware::Parcel*, std::__1::function<void (android::hardware::Parcel&)>)+316 out/soong/.intermediates/hardware/interfaces/gnss/2.0/android.hardware.gnss@2.0_genc++/gen/android/hardware/gnss/2.0/GnssAll.cpp:1169
00000000000623ac android::hardware::gnss::V2_0::BnHwGnss::onTransact(unsigned int, android::hardware::Parcel const&, android::hardware::Parcel*, unsigned int, std::__1::function<void (android::hardware::Parcel&)>)+3260 out/soong/.intermediates/hardware/interfaces/gnss/2.0/android.hardware.gnss@2.0_genc++/gen/android/hardware/gnss/2.0/GnssAll.cpp:1898
0000000000093fac android::hardware::BHwBinder::transact(unsigned int, android::hardware::Parcel const&, android::hardware::Parcel*, unsigned int, std::__1::function<void (android::hardware::Parcel&)>)+68 system/libhwbinder/Binder.cpp:116
v--------------> android::hardware::IPCThreadState::executeCommand(int) system/libhwbinder/IPCThreadState.cpp:1206
0000000000097f44 android::hardware::IPCThreadState::getAndExecuteCommand()+1076 system/libhwbinder/IPCThreadState.cpp:459
000000000009918c android::hardware::IPCThreadState::joinThreadPool(bool)+96 system/libhwbinder/IPCThreadState.cpp:559
000000000000f88c main+184 vendor/unicore_gnss/service2_0/service.cpp:37
00000000000499fc __libc_init+108 bionic/libc/bionic/libc_init_dynamic.cpp:151
Z:\newcc\lagvm\lagvm\LINUX\android\out\soong.intermediates\hardware\interfaces\gnss\2.0\android.hardware.gnss@2.0_genc++\gen\android\hardware\gnss\2.0\GnssAll.cpp
Z:\newcc\lagvm\lagvm\LINUX\android\vendor\unicore_gnss\service2_0\Gnss.cpp
Z:\newcc\lagvm\lagvm\LINUX\android\vendor\unicore_gnss\libgps\unicore_gps.c
Z:\newcc\lagvm\lagvm\LINUX\android\vendor\unicore_gnss\libgps\unicore_gps.c
初始化NMEA读取线程gps_nmea_thread，location && NMEA上报线程gps_timer_thread。
此时Gps还未Start，空转睡眠。
11-02 17:10:33.464 452 452 D unicore_gps::unicore_gps_start: #00 pc 0000000000047054 /vendor/lib64/libgps.so (dumping_callstack+64)
11-02 17:10:33.464 452 452 D unicore_gps::unicore_gps_start: #01 pc 000000000004e87c /vendor/lib64/libgps.so (unicore_gps_start+72)
11-02 17:10:33.464 452 452 D unicore_gps::unicore_gps_start: #02 pc 00000000000139dc /vendor/bin/hw/android.hardware.gnss@2.0-service-unicore (android::hardware::gnss::V2_0::implementation::Gnss::start()+152)
11-02 17:10:33.464 452 452 D unicore_gps::unicore_gps_start: #03 pc 000000000007fa10 /apex/com.android.vndk.v30/lib64/android.hardware.gnss@1.0.so (android::hardware::gnss::V1_0::BnHwGnss::_hidl_start(android::hidl::base::V1_0::BnHwBase*, android::hardware::Parcel const&, android::hardware::Parcel*, std::__1::function<void (android::hardware::Parcel&)>)+148)
11-02 17:10:33.464 452 452 D unicore_gps::unicore_gps_start: #04 pc 0000000000061e6c /apex/com.android.vndk.v30/lib64/android.hardware.gnss@2.0.so (android::hardware::gnss::V2_0::BnHwGnss::onTransact(unsigned int, android::hardware::Parcel const&, android::hardware::Parcel*, unsigned int, std::__1::function<void (android::hardware::Parcel&)>)+1916)
11-02 17:10:33.464 452 452 D unicore_gps::unicore_gps_start: #05 pc 0000000000093fac /apex/com.android.vndk.v30/lib64/libhidlbase.so (android::hardware::BHwBinder::transact(unsigned int, android::hardware::Parcel const&, android::hardware::Parcel*, unsigned int, std::__1::function<void (android::hardware::Parcel&)>)+68)
11-02 17:10:33.464 452 452 D unicore_gps::unicore_gps_start: #06 pc 0000000000097f44 /apex/com.android.vndk.v30/lib64/libhidlbase.so (android::hardware::IPCThreadState::getAndExecuteCommand()+1076)
11-02 17:10:33.464 452 452 D unicore_gps::unicore_gps_start: #07 pc 000000000009918c /apex/com.android.vndk.v30/lib64/libhidlbase.so (android::hardware::IPCThreadState::joinThreadPool(bool)+96)
11-02 17:10:33.464 452 452 D unicore_gps::unicore_gps_start: #08 pc 000000000000f88c /vendor/bin/hw/android.hardware.gnss@2.0-service-unicore (main+184)
11-02 17:10:33.464 452 452 D unicore_gps::unicore_gps_start: #09 pc 00000000000499fc /apex/com.android.runtime/lib64/bionic/libc.so (__libc_init+108)
Stack Trace:
RELADDR FUNCTION FILE:LINE
0000000000047054 dumping_callstack+64 vendor/unicore_gnss/libgps/callstack.cpp:6
000000000004e87c unicore_gps_start+72 vendor/unicore_gnss/libgps/unicore_gps.c:2666
00000000000139dc android::hardware::gnss::V2_0::implementation::Gnss::start()+152 vendor/unicore_gnss/service2_0/Gnss.cpp:449
000000000007fa10 android::hardware::gnss::V1_0::BnHwGnss::_hidl_start(android::hidl::base::V1_0::BnHwBase*, android::hardware::Parcel const&, android::hardware::Parcel*, std::__1::function<void (android::hardware::Parcel&)>)+148 out/soong/.intermediates/hardware/interfaces/gnss/1.0/android.hardware.gnss@1.0_genc++/gen/android/hardware/gnss/1.0/GnssAll.cpp:1610
0000000000061e6c android::hardware::gnss::V2_0::BnHwGnss::onTransact(unsigned int, android::hardware::Parcel const&, android::hardware::Parcel*, unsigned int, std::__1::function<void (android::hardware::Parcel&)>)+1916 out/soong/.intermediates/hardware/interfaces/gnss/2.0/android.hardware.gnss@2.0_genc++/gen/android/hardware/gnss/2.0/GnssAll.cpp:1766
0000000000093fac android::hardware::BHwBinder::transact(unsigned int, android::hardware::Parcel const&, android::hardware::Parcel*, unsigned int, std::__1::function<void (android::hardware::Parcel&)>)+68 system/libhwbinder/Binder.cpp:116
v--------------> android::hardware::IPCThreadState::executeCommand(int) system/libhwbinder/IPCThreadState.cpp:1206
0000000000097f44 android::hardware::IPCThreadState::getAndExecuteCommand()+1076 system/libhwbinder/IPCThreadState.cpp:459
000000000009918c android::hardware::IPCThreadState::joinThreadPool(bool)+96 system/libhwbinder/IPCThreadState.cpp:559
000000000000f88c main+184 vendor/unicore_gnss/service2_0/service.cpp:37
00000000000499fc __libc_init+108 bionic/libc/bionic/libc_init_dynamic.cpp:151
Z:\newcc\lagvm\lagvm\LINUX\android\out\soong.intermediates\hardware\interfaces\gnss\2.0\android.hardware.gnss@2.0_genc++\gen\android\hardware\gnss\2.0\GnssAll.cpp
Z:\newcc\lagvm\lagvm\LINUX\android\out\soong.intermediates\hardware\interfaces\gnss\1.0\android.hardware.gnss@1.0_genc++\gen\android\hardware\gnss\1.0\GnssAll.cpp
Z:\newcc\lagvm\lagvm\LINUX\android\vendor\unicore_gnss\libgps\unicore_gps.c
Z:\newcc\lagvm\lagvm\LINUX\android\vendor\unicore_gnss\libgps\unicore_gps.c
Z:\newcc\lagvm\lagvm\LINUX\android\vendor\unicore_gnss\libgps\unicore_gps.c
Z:\newcc\lagvm\lagvm\LINUX\android\vendor\unicore_gnss\libgps\unicore_gps.c
会解析读取到的NMEA，由于在室内，定位不成功，我手动设置了一组NMEA。
定位：江西南昌学院（南昌校区）附件
$GPGSA,A,2,01,02,03,06,09,14,17,19,22,28,30,,1.0,0.7,0.7*3F\n\
$GPGSV,4,1,16,01,09,049,30,02,15,253,36,03,35,052,43,06,45,268,35,1*6F\n\
$GPGSV,4,2,16,09,05,136,24,14,64,172,34,17,57,012,47,22,11,040,31,1*6D\n\
$GPGSV,4,3,16,28,79,234,40,04,04,104,,19,45,330,,24,02,299,,1*6B\n\
$GPGSV,4,4,16,30,06,194,,39,,,34,41,,,39,50,,,38,1*56\n\
$GPGGA,055957.00,2846.901314,N,11551.149287,E,1,11,0.7,55.4,M,-5.0,M,,*4A\n\
$GPVTG,76.0,T,79.6,M,24.9,N,46.1,K,A*26\n\
$GPRMC,055957.00,A,2846.901314,N,11551.149287,E,24.9,76.0,020621,3.5,W,A*25\n\
$BDGSA,A,2,01,02,03,07,08,10,13,14,,,,,1.0,0.7,0.7,4*32\n\
$BDGSV,3,1,11,01,43,130,38,02,40,230,37,03,55,189,48,04,31,115,36,0,4*6B\n\
$BDGSV,3,2,11,05,18,251,42,07,67,154,44,08293,39,10,77,281,39,0,4*6D";
11-02 17:10:33.851 452 2275 D Gnss : #00 pc 0000000000012908 /vendor/bin/hw/android.hardware.gnss@2.0-service-unicore (android::hardware::gnss::V2_0::implementation::Gnss::locationCb(GpsLocation*)+116)
11-02 17:10:33.851 452 2275 D Gnss : #01 pc 000000000004aba8 /vendor/lib64/libgps.so (gps_timer_thread+652)
11-02 17:10:33.852 452 2275 D Gnss : #02 pc 0000000000011890 /vendor/bin/hw/android.hardware.gnss@2.0-service-unicore (threadFunc(void*)+12)
11-02 17:10:33.852 452 2275 D Gnss : #03 pc 00000000000afecc /apex/com.android.runtime/lib64/bionic/libc.so (__pthread_start(void*)+64)
11-02 17:10:33.852 452 2275 D Gnss : #04 pc 0000000000050408 /apex/com.android.runtime/lib64/bionic/libc.so (__start_thread+64)
Stack Trace:
RELADDR FUNCTION FILE:LINE
0000000000012908 android::hardware::gnss::V2_0::implementation::Gnss::locationCb(GpsLocation*)+116 vendor/unicore_gnss/service2_0/Gnss.cpp:133
000000000004aba8 gps_timer_thread+652 vendor/unicore_gnss/libgps/unicore_gps.c:2349
0000000000011890 threadFunc(void*)+12 vendor/unicore_gnss/service2_0/ThreadCreationWrapper.cpp:21
00000000000afecc __pthread_start(void*)+64 bionic/libc/bionic/pthread_create.cpp:347
0000000000050408 __start_thread+64 bionic/libc/bionic/clone.cpp:53
Z:\newcc\lagvm\lagvm\LINUX\android\frameworks\base\services\core\jni\com_android_server_location_GnssLocationProvider.cpp
diff --git a/libgps/Android.mk b/libgps/Android.mk
index 0a96c4b..56bc3d6 100755
--- a/libgps/Android.mk
+++ b/libgps/Android.mk
@@ -8,9 +8,9 @@ LOCAL_C_INCLUDES := $(LOCAL_PATH)/halheader \
#LOCAL_MODULE_RELATIVE_PATH := hw
LOCAL_VENDOR_MODULE:= true
-LOCAL_SHARED_LIBRARIES := liblog libcutils libhardware libc libutils
+LOCAL_SHARED_LIBRARIES := liblog libcutils libhardware libc libutils libutilscallstack
-LOCAL_SRC_FILES := unicore_gps.c unicore_geoid.c unicore_agnss.c cJSON.c unicore_fw_update.c unicore_fw.c
+LOCAL_SRC_FILES := unicore_gps.c unicore_geoid.c unicore_agnss.c cJSON.c unicore_fw_update.c unicore_fw.c callstack.cpp
LOCAL_C_FLAGS += -Wno-unused-parameter -D__NO_XPRINTF__
diff --git a/libgps/unicore_config.c b/libgps/unicore_config.c
index af919f6..fd5bbcc 100755
--- a/libgps/unicore_config.c
+++ b/libgps/unicore_config.c
@@ -23,11 +23,8 @@
#define DFR(...) ALOGD(__VA_ARGS__)
-#ifdef GPS_DEBUG
-# define D(...) ALOGD(__VA_ARGS__)
-#else
-# define D(...) ((void)0)
-#endif
+#define D(...) ALOGD(__VA_ARGS__)
+
#define NR_LOGS 10
#define LOG_FILESIZE (100*1024*1024)
diff --git a/libgps/unicore_config.h b/libgps/unicore_config.h
index bd1425d..e0344a2 100755
--- a/libgps/unicore_config.h
+++ b/libgps/unicore_config.h
@@ -35,9 +35,9 @@
#define GPS_DEVICE "/dev/ttyHS2"
#endif
// desired working baud
-static int current_bps = 115200;
+static int current_bps = 460800;
// factory default baud
-static int default_bps = 9600;
+static int default_bps = 460800;
#define UDP_PORT 5744
#define TCP_PORT 5744
diff --git a/libgps/unicore_gps.c b/libgps/unicore_gps.c
index d0b6cb8..0165ec6 100755
--- a/libgps/unicore_gps.c
+++ b/libgps/unicore_gps.c
@@ -51,9 +51,32 @@
#include <hardware/hardware.h>
#include "unicore_agnss.h"
#include "unicore_config.h"
-
-
-
+#include "callstack.h"
+
+//#include <utils/CallStack.h>
+
+//c not work
+//#define dumping_callstack(...) \
+// do { \
+// ALOGD(__VA_ARGS__); \
+// android::CallStack callstack; \
+// callstack.update(); \
+// callstack.log(LOG_TAG, ANDROID_LOG_DEBUG, " "); \
+// }while (false)
+
+
+//zhoujinjian add for test
+static char* testNmeaError = "$GPGSA,A,2,01,02,03,06,09,14,17,19,22,28,30,,1.0,0.7,0.7*3F\n\
+$GPGSV,4,1,16,01,09,049,30,02,15,253,36,03,35,052,43,06,45,268,35,1*6F\n\
+$GPGSV,4,2,16,09,05,136,24,14,64,172,34,17,57,012,47,22,11,040,31,1*6D\n\
+$GPGSV,4,3,16,28,79,234,40,04,04,104,,19,45,330,,24,02,299,,1*6B\n\
+$GPGSV,4,4,16,30,06,194,,39,,,34,41,,,39,50,,,38,1*56\n\
+$GPGGA,055957.00,2846.901314,N,11551.149287,E,1,11,0.7,55.4,M,-5.0,M,,*4A\n\
+$GPVTG,76.0,T,79.6,M,24.9,N,46.1,K,A*26\n\
+$GPRMC,055957.00,A,2846.901314,N,11551.149287,E,24.9,76.0,020621,3.5,W,A*25\n\
+$BDGSA,A,2,01,02,03,07,08,10,13,14,,,,,1.0,0.7,0.7,4*32\n\
+$BDGSV,3,1,11,01,43,130,38,02,40,230,37,03,55,189,48,04,31,115,36,0,4*6B\n\
+$BDGSV,3,2,11,05,18,251,42,07,67,154,44,08293,39,10,77,281,39,0,4*6D";
static struct serial_icounter_struct icount, icount0;
time_t icount_seconds;
@@ -213,7 +236,7 @@ static int bGetFormalNMEA = 1;
static int started = 0;
static int continue_thread = 1;
static int bOrionShutdown = 0;
-static int agnss_thread = 0;
+static int agnss_thread = 1;
static char isNmeaThreadExited = 0;
static char isTimerThreadExited = 0;
@@ -2101,8 +2124,13 @@ static void gps_nmea_thread( void* arg )
#endif
gps_log_write(buf, ret);
tcp_write(tcp_fd, buf, ret);
- for (nn = 0; nn < ret; nn++)
- nmea_reader_addc(reader, buf[nn]);
+ //for (nn = 0; nn < ret; nn++)
+ // nmea_reader_addc(reader, buf[nn]);
+ //zhoujinjian add for debug;
+ int realsize = strlen(testNmeaError);
+ for (nn = 0; nn < realsize; nn++) {
+ nmea_reader_addc(reader, testNmeaError[nn]);
+ }
} else {
DFR("Error on NMEA read :%s",strerror(errno));
if(errno != EAGAIN && errno != EINTR) {
@@ -2420,15 +2448,14 @@ int gps_opentty(GpsState *state)
if(strlen(prop) <= 0)
{
- state->fd = -1;
- return state->fd;
+ //state->fd = -1;
+ //return state->fd;
}
-
if(state->fd != -1)
gps_closetty(state);
do {
- state->fd = open( prop, O_RDWR | O_NOCTTY | O_NONBLOCK);
+ state->fd = open( GPS_DEVICE, O_RDWR | O_NOCTTY | O_NONBLOCK); /*/dev/ttyHS2*/
} while (state->fd < 0 && errno == EINTR);
if (state->fd < 0) {
@@ -2441,7 +2468,7 @@ int gps_opentty(GpsState *state)
}
do {
- state->fd = open( device, O_RDWR | O_NOCTTY | O_NONBLOCK);
+ state->fd = open( GPS_DEVICE, O_RDWR | O_NOCTTY | O_NONBLOCK);
} while (state->fd < 0 && errno == EINTR);
if (state->fd < 0)
@@ -2450,14 +2477,12 @@ int gps_opentty(GpsState *state)
return -1;
}
}
-
D("gps will read from %s(fd=%d)", prop, state->fd);
-
load_config();
// disable echo on serial lines
- if ( isatty( state->fd ) ) {
+ //if ( isatty( state->fd ) ) {
init_serial(state->fd, current_bps);
- }
+ //}
epoll_register( epoll_nmeafd, state->fd );
@@ -2607,6 +2632,7 @@ static int unicore_gps_init(GpsCallbacks* callbacks)
GpsState* s = _gps_state;
D("gps state initializing %d",s->init);
+ dumping_callstack("unicore_gps::unicore_gps_init");
s->callbacks = *callbacks;
if (!s->init)
@@ -2621,6 +2647,7 @@ static int unicore_gps_init(GpsCallbacks* callbacks)
static void unicore_gps_cleanup(void)
{
GpsState* s = _gps_state;
+ dumping_callstack("unicore_gps::unicore_gps_cleanup");
D("%s: called", __FUNCTION__);
@@ -2633,6 +2660,7 @@ static int unicore_gps_start()
GpsState* s = _gps_state;
D("%s: called", __FUNCTION__ );
+ dumping_callstack("unicore_gps::unicore_gps_start");
if (!s->init)
gps_state_init(s);
@@ -2664,6 +2692,7 @@ static int unicore_gps_stop()
GpsState* s = _gps_state;
D("%s: called", __FUNCTION__ );
+ dumping_callstack("unicore_gps::unicore_gps_stop");
if(gps_checkstate(s) == -1)
{
@@ -2708,6 +2737,7 @@ static void unicore_gps_set_fix_frequency(int freq)
static int unicore_gps_inject_time(GpsUtcTime time, int64_t timeReference, int uncertainty)
{
D("__%s:%d__", __FUNCTION__, __LINE__);
+ dumping_callstack("unicore_gps::unicore_gps_inject_time");
(void)time;
(void)timeReference;
(void)uncertainty;
@@ -2720,6 +2750,7 @@ static void unicore_gps_delete_aiding_data(GpsAidingData flags)
int v;
char cmd[32];
unsigned char sum, bits = 0;
+ dumping_callstack("unicore_gps::unicore_gps_delete_aiding_data");
if(flags == GPS_DELETE_ALL) {
bits |= 0x95;
@@ -2750,6 +2781,7 @@ static void unicore_gps_delete_aiding_data(GpsAidingData flags)
static int unicore_gps_inject_location(double latitude, double longitude, float accuracy)
{
D("__%s:%d__", __FUNCTION__, __LINE__);
+ dumping_callstack("unicore_gps::unicore_gps_inject_location");
(void)latitude;
(void)longitude;
(void)accuracy;
@@ -2762,6 +2794,7 @@ static int unicore_gps_set_position_mode(GpsPositionMode mode, GpsPositionRecurr
GpsState* s = _gps_state;
int v = (mode >> 4)&0x3;
// int ret;
+ dumping_callstack("unicore_gps::unicore_gps_set_position_mode");
(void)recurrence;
(void)preferred_accuracy;
@@ -2995,6 +3028,7 @@ static const void* unicore_gps_get_extension(const char* name)
#endif
}
+ dumping_callstack("unicore_gps::unicore_gps_get_extension");
D("%s: no GPS extension for %s is found", __FUNCTION__, name);
return NULL;
}
@@ -3328,6 +3362,7 @@ static int open_gps(const struct hw_module_t* module, char const* name,
struct gps_device_t *dev = malloc(sizeof(struct gps_device_t));
(void)name;
+ dumping_callstack("unicore_gps::open_gps");
memset(dev, 0, sizeof(*dev));
diff --git a/sepolicy/hal_gnss_unicore.te b/sepolicy/hal_gnss_unicore.te
index dc0dcb4..d32bcd9 100755
--- a/sepolicy/hal_gnss_unicore.te
+++ b/sepolicy/hal_gnss_unicore.te
@@ -63,4 +63,7 @@ allow hal_gnss_unicore sdcard_type:file {create_file_perms rw_file_perms};
allow hal_gnss_unicore vendor_data_file:dir write;
allow hal_gnss_unicore vendor_data_file:dir add_name;
allow hal_gnss_unicore vendor_data_file:dir {rw_dir_perms create_dir_perms};
-allow hal_gnss_unicore vendor_data_file:file {create_file_perms rw_file_perms};
\ No newline at end of file
+allow hal_gnss_unicore vendor_data_file:file {create_file_perms rw_file_perms};
+
+allow hal_gnss_unicore vendor_file:file { entrypoint };
+
diff --git a/service2_0/Android.mk b/service2_0/Android.mk
index ee9b036..633559b 100755
--- a/service2_0/Android.mk
+++ b/service2_0/Android.mk
@@ -20,11 +20,12 @@ LOCAL_SHARED_LIBRARIES += \
libhidltransport \
libutils \
libhardware \
+ libutilscallstack \
android.hardware.gnss@1.0 \
android.hardware.gnss@1.1 \
- android.hardware.gnss@2.0 \
- android.hardware.gnss.measurement_corrections@1.0 \
- android.hardware.gnss.visibility_control@1.0
+ android.hardware.gnss@2.0 \
+ android.hardware.gnss.measurement_corrections@1.0 \
+ android.hardware.gnss.visibility_control@1.0
LOCAL_HEADER_LIBRARIES += \
diff --git a/service2_0/Gnss.cpp b/service2_0/Gnss.cpp
index 9cc6bad..277c99f 100755
--- a/service2_0/Gnss.cpp
+++ b/service2_0/Gnss.cpp
@@ -31,6 +31,17 @@
#include <hardware/gps.h>
#include <GnssUtils.h>
#include "unicore.hpp"
+#include <utils/CallStack.h>
+
+#define ALOGD_CALLSTACK(...) \
+ do { \
+ ALOGD(__VA_ARGS__); \
+ android::CallStack callstack; \
+ callstack.update(); \
+ callstack.log(LOG_TAG, ANDROID_LOG_DEBUG, " "); \
+ }while (false)
+
+
using ::android::hardware::Status;
using ::android::hardware::gnss::measurement_corrections::V1_0::implementation::
@@ -119,6 +130,7 @@ void Gnss::locationCb(GpsLocation* location) {
ALOGE("%s: GNSS Callback Interface configured incorrectly", __func__);
return;
}
+ ALOGD_CALLSTACK("locationCb");
if (location == nullptr) {
ALOGE("%s: Invalid location from GNSS HAL", __func__);
@@ -287,6 +299,7 @@ void Gnss::nmeaCb(GpsUtcTime timestamp, const char* nmea, int length) {
ALOGE("%s: GNSS Callback Interface configured incorrectly", __func__);
return;
}
+ //ALOGD_CALLSTACK("nmeaCb");
android::hardware::hidl_string nmeaString;
nmeaString.setToExternal(nmea, length);
@@ -431,6 +444,7 @@ Return<bool> Gnss::start() {
ALOGE("%s: Gnss interface is unavailable", __func__);
return false;
}
+ ALOGD_CALLSTACK("start");
return (mGnssIface->start() == 0);
}
@@ -440,11 +454,14 @@ Return<bool> Gnss::stop() {
ALOGE("%s: Gnss interface is unavailable", __func__);
return false;
}
+ ALOGD_CALLSTACK("stop");
return (mGnssIface->stop() == 0);
}
Return<void> Gnss::cleanup() {
+ ALOGD_CALLSTACK("cleanup");
+
if (mGnssIface == nullptr) {
ALOGE("%s: Gnss interface is unavailable", __func__);
} else {
@@ -719,6 +736,7 @@ Return<bool> Gnss::setCallback_2_0(const sp<V2_0::IGnssCallback>& callback) {
ALOGE("%s: Gnss interface is unavailable", __func__);
return false;
}
+ ALOGD_CALLSTACK("setCallback_2_0");
if (callback == nullptr) {
ALOGE("%s: Null callback ignored", __func__);
@@ -765,6 +783,8 @@ Return<bool> Gnss::setCallback_2_0(const sp<V2_0::IGnssCallback>& callback) {
Return<void> Gnss::reportLocation(const V2_0::GnssLocation& location) const {
std::unique_lock<std::mutex> lock(mMutex);
+ ALOGD_CALLSTACK("reportLocation");
+
if (sGnssCallback_2_0 == nullptr) {
ALOGE("%s: sGnssCallback 2.0 is null.", __func__);
return Void();
diff --git a/service2_0/android.hardware.gnss@2.0-service-unicore.rc b/service2_0/android.hardware.gnss@2.0-service-unicore.rc
index 11e8128..41330af 100755
--- a/service2_0/android.hardware.gnss@2.0-service-unicore.rc
+++ b/service2_0/android.hardware.gnss@2.0-service-unicore.rc
@@ -1,5 +1,5 @@
service gnss_service /vendor/bin/hw/android.hardware.gnss@2.0-service-unicore
class hal
user root
- group root
+ group gps system root
seclabel u:r:hal_gnss_unicore:s0
Z:\newcc\lagvm\lagvm\LINUX\android\vendor\unicore_gnss\libgps\callstack.cpp
#include <utils/CallStack.h>
extern "C" void dumping_callstack(const char* string);
void dumping_callstack(const char* string){
android::CallStack stack;
stack.update();
stack.log(string);
}
Z:\newcc\lagvm\lagvm\LINUX\android\vendor\unicore_gnss\libgps\callstack.h
void dumping_callstack();