自 2025 年 3 月 27 日起,我们建议您使用 android-latest-release
而非 aosp-main
构建 AOSP 并为其做出贡献。如需了解详情,请参阅 AOSP 的变更。
使用集合让一切井井有条
根据您的偏好保存内容并对其进行分类。
GnssSvInfo 结构参考文档
#include <
gps.h
>
载波与噪声密度(以 dB-Hz 为单位),通常在 [0, 63] 范围内。它包含天线端口信号的测量 C/N0 值。
此值为必填项。
定义位于文件
gps.h
的
607
行。
定义给定 SV 的星座。值应为 GNSS_CONSTELLATION_* 常量之一
定义位于文件
gps.h
的
599
行。
包含有关给定 SV 的其他数据。值应为 GNSS_SV_FLAGS_* 常量之一
定义位于文件
gps.h
的
619
行。
设置为 sizeof(GnssSvInfo)
定义位于文件
gps.h
的
577
行。
SV 的伪随机数,或 Glonass 的 FCN/OSN 号。您可以通过查看“星座”字段来进行区分。值应在以下范围内:
-
GPS:1-32
-
SBAS:120-151、183-192
-
GLONASS:1-24,轨道槽位编号 (OSN)(如果已知)。或者,如果不是:93-106,频道编号 (FCN)(-7 到 +6)偏移 + 100,即将 -7 的 FCN 报告为 93,0 的 FCN 报告为 100,+6 的 FCN 报告为 106。
-
QZSS:193-200
-
Galileo:1-36
-
Beidou:1-37
定义位于文件
gps.h
的
593
行。
此结构体的文档是根据以下文件生成的:
-
hardware/libhardware/include/hardware/
gps.h
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最后更新时间 (UTC):2025-07-27。
[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["没有我需要的信息","missingTheInformationINeed","thumb-down"],["太复杂/步骤太多","tooComplicatedTooManySteps","thumb-down"],["内容需要更新","outOfDate","thumb-down"],["翻译问题","translationIssue","thumb-down"],["示例/代码问题","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC):2025-07-27。"],[],[],null,["# Android Hardware Abstraction Layer: GnssSvInfo Struct Reference\n\nGnssSvInfo Struct Reference\n===========================\n\n[Data Fields](#pub-attribs) \nGnssSvInfo Struct Reference \n\n`\n#include \u003c\n`[gps.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gps.h)`\n\u003e\n`\n\n|-------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------|\n| Data Fields ----------- ||\n| size_t | [size](/reference/hal/struct_gnss_sv_info#a854352f53b148adc24983a58a1866d66) |\n| ||\n| int16_t | [svid](/reference/hal/struct_gnss_sv_info#a1f9f9bb3d6474ed021c65f57d5d6702b) |\n| ||\n| [GnssConstellationType](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gps.h) | [constellation](/reference/hal/struct_gnss_sv_info#a8484c45fd5f95799df85efef0d62b773) |\n| ||\n| float | [c_n0_dbhz](/reference/hal/struct_gnss_sv_info#ac948700fde8e354a89994a5133abed9a) |\n| ||\n| float | [elevation](/reference/hal/struct_gnss_sv_info#a1c921d7f2f6a29b15d709c49d2df1797) |\n| ||\n| float | [azimuth](/reference/hal/struct_gnss_sv_info#a01b03ebfa7d0a95760e743f611fecbc5) |\n| ||\n| [GnssSvFlags](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gps.h) | [flags](/reference/hal/struct_gnss_sv_info#afd2e459cce87ef8ceb841c395095f81b) |\n| ||\n\n\nDetailed Description\n--------------------\n\n\nDefinition at line\n[575](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gps.h)\nof file\n[gps.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gps.h)\n.\n\nField Documentation\n-------------------\n\n\n|---------------|\n| float azimuth |\n\n\nAzimuth of SV in degrees.\n\n\nDefinition at line\n[613](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gps.h)\nof file\n[gps.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gps.h)\n.\n\n|-----------------|\n| float c_n0_dbhz |\n\n\nCarrier-to-noise density in dB-Hz, typically in the range \\[0, 63\\]. It contains the measured C/N0 value for the signal at the antenna port.\n\n\nThis is a mandatory value.\n\n\nDefinition at line\n[607](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gps.h)\nof file\n[gps.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gps.h)\n.\n\n|---------------------------------------------------------------------------------------------------------------------------------------|\n| [GnssConstellationType](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gps.h) constellation |\n\n\nDefines the constellation of the given SV. Value should be one of those GNSS_CONSTELLATION_\\* constants\n\n\nDefinition at line\n[599](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gps.h)\nof file\n[gps.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gps.h)\n.\n\n|-----------------|\n| float elevation |\n\n\nElevation of SV in degrees.\n\n\nDefinition at line\n[610](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gps.h)\nof file\n[gps.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gps.h)\n.\n\n|---------------------------------------------------------------------------------------------------------------------|\n| [GnssSvFlags](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gps.h) flags |\n\n\nContains additional data about the given SV. Value should be one of those GNSS_SV_FLAGS_\\* constants\n\n\nDefinition at line\n[619](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gps.h)\nof file\n[gps.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gps.h)\n.\n\n|-------------|\n| size_t size |\n\n\nset to sizeof(GnssSvInfo)\n\n\nDefinition at line\n[577](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gps.h)\nof file\n[gps.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gps.h)\n.\n\n|--------------|\n| int16_t svid |\n\n\nPseudo-random number for the SV, or FCN/OSN number for Glonass. The distinction is made by looking at constellation field. Values should be in the range of:\n\n- GPS: 1-32\n- SBAS: 120-151, 183-192\n- GLONASS: 1-24, the orbital slot number (OSN), if known. Or, if not: 93-106, the frequency channel number (FCN) (-7 to +6) offset by + 100 i.e. report an FCN of -7 as 93, FCN of 0 as 100, and FCN of +6 as 106.\n- QZSS: 193-200\n- Galileo: 1-36\n- Beidou: 1-37\n\n\nDefinition at line\n[593](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gps.h)\nof file\n[gps.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gps.h)\n.\n\n*** ** * ** ***\n\nThe documentation for this struct was generated from the following file:\n\n- hardware/libhardware/include/hardware/ [gps.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gps.h)"]]