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;

 /*by set sys.gps.module property to let gps jni choose the right gps lib*/

 property_set(LIB_GPS_PROPERTY, "me3630");

 ALOGD("setprop sys.gps.module for me3630 gps");
   break;
 
   case SIMCOM_SIM7600:

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

case NEOWAY_N720:
	rilLibPath = REFERENCE_RIL_NEOWAY_N720_PATH;

 /*by set sys.gps.module property to let gps jni choose the right gps lib*/

 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!");

char gps_prop_name[PATH_MAX] = {0};

int chance = 10;/*10 tiems try*/

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!");

goto found;

}

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

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

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

goto found;

}

}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