RK3288 android7.1.2多4g模块gps功能调试

rk3288 android7.1.2 多4g模块gps功能调试

1、修改gps库名，每个4g模块单独对应一个gps库

gps.default.so->gps.me3630.so

2、在rild服务中添加sys.gps.module系统属性，标志当前获取的4g模块

hardware/ril/rild/rild.c

[url=home.php?mod=space&uid=1999721]@@[/url] -50,6 +50,7 @@
#define REFERENCE_RIL_SIMCOM_SIM7600CE_PATH "/system/lib/libreference-ril-sim7600ce.so"
#define REFERENCE_RIL_HUAWEI_ME909S_PATH "/system/lib/libreference-ril-me909s.so"
#define REFERENCE_RIL_NEOWAY_N720_PATH "/system/lib/libreference-ril-n720.so"
+#define LIB_GPS_PROPERTY "sys.gps.module"
static void usage(const char *argv0) {
fprintf(stderr, "Usage: %s -l [-- ]\n", argv0);
exit(EXIT_FAILURE);
@@ -218,6 +219,9 @@ int main(int argc, char **argv) {
case ZTE_MODEM:
case ZTE_ME3630:
rilLibPath = REFERENCE_RIL_ZTE_ME3630_PATH;

/*bysetsys.gps.modulepropertytoletgps jni choose the right gpslib*/

property_set(LIB_GPS_PROPERTY,"me3630");

ALOGD("setprop sys.gps.module for me3630 gps");break;caseSIMCOM_SIM7600:

@@ -230,6 +234,9 @@ int main(int argc, char **argv) {

caseNEOWAY_N720:rilLibPath= REFERENCE_RIL_NEOWAY_N720_PATH;

/*bysetsys.gps.modulepropertytoletgps jni choose the right gpslib*/

property_set(LIB_GPS_PROPERTY,"n720");

ALOGD("setprop sys.gps.module for n720 gps");break;

3、根据4g模块标志，指定调用的gps库

hardware/libhardware/hardware.c

@@ -189,6 +190,32 @@ int hw_get_module_by_class(const char *class_id, const char *inst,
}
}

if(strncmp(class_id, "gps", 3) == 0){

ALOGD("gps-jni start found gps lib now!");

chargps_prop_name[PATH_MAX] = {0};

intchance =10;/*10tiemstry*/

do{

chance--;

ALOGE("gps-jni property sys.gps.module not exit !");

sleep(1);

}while((property_get("sys.gps.module", gps_prop_name,NULL) <=0) && (chance >=0));

if(strncmp(gps_prop_name,"n720",4) ==0){

if(hw_module_exists(path, sizeof(path),name, "n720") ==0) {

ALOGD("gps-jni found neoway n720 gps lib!");

gotofound;

}

}elseif(strncmp(gps_prop_name,"me3630",6) ==0){

if(hw_module_exists(path, sizeof(path),name, "me3630") ==0) {

ALOGD("gps-jni found me3630 gps lib!");

gotofound;

}

}else{

ALOGE("gps-jni no property gps lib found, will use gps.defualt.so");

}

}+ /add by hjh, use to find right gps lib for different 4g&gps modules end/

原作者：小忽悠0011