Skip to content

D
Docs

OpenHarmony / Docs
1 年多 前同步成功

通知 159
Star 292
Fork 28
D
Docs
未验证 提交 1dbe058f 编写于 作者: O openharmony_ci 提交者： Gitee
浏览文件
操作

!2172 修改为纯净版 

Merge pull request !2172 from liyan/master
上级 e505524c d01fb8e8
隐藏空白更改
内联 并排
Showing with 44 addition and 195 deletion
zh-cn/device-dev/driver/driver-peripherals-sensor-des.md
浏览文件 @ 1dbe058f
......@@ -70,207 +70,56 @@ Sensor驱动模型对外开放的API接口能力如下：
- 提供同一类型Sensor器件驱动归一接口, 寄存器配置解析操作接口，总线访问抽象接口，平台抽象接口。
- 提供开发者实现的能力接口：依赖HDF驱动框架的HCS（HDF Configuration Source）配置管理，根据同类型Sensor差异化配置，实现Sensor器件参数序列化配置和器件部分操作接口，简化Sensor器件驱动开发。
Sensor驱动模型对外开放的API接口能力的具体实现参考[表1](#table203963834718)：
**表 1** Sensor驱动模型对外API接口功能介绍
<a name="table203963834718"></a>
<table><thead align="left"><tr id="row173964834716"><th class="cellrowborder" valign="top" width="8.260000000000002%" id="mcps1.2.4.1.1"><p id="p17401913133218"><a name="p17401913133218"></a><a name="p17401913133218"></a>功能分类</p>
</th>
<th class="cellrowborder" valign="top" width="45.4%" id="mcps1.2.4.1.2"><p id="p20921103144918"><a name="p20921103144918"></a><a name="p20921103144918"></a>接口名</p>
</th>
<th class="cellrowborder" valign="top" width="46.339999999999996%" id="mcps1.2.4.1.3"><p id="p109216317495"><a name="p109216317495"></a><a name="p109216317495"></a>功能描述</p>
</th>
</tr>
</thead>
<tbody><tr id="row4397198154712"><td class="cellrowborder" valign="top" width="8.260000000000002%" headers="mcps1.2.4.1.1 "><p id="p8437193673211"><a name="p8437193673211"></a><a name="p8437193673211"></a>查询操作</p>
</td>
<td class="cellrowborder" valign="top" width="45.4%" headers="mcps1.2.4.1.2 "><p id="p11001322173912"><a name="p11001322173912"></a><a name="p11001322173912"></a>int32_t <strong id="b935414557240"><a name="b935414557240"></a><a name="b935414557240"></a>GetAllSensors</strong>(struct SensorInformation **sensorInfo, int32_t *count)</p>
</td>
<td class="cellrowborder" valign="top" width="46.339999999999996%" headers="mcps1.2.4.1.3 "><p id="p199227318499"><a name="p199227318499"></a><a name="p199227318499"></a>获取系统中注册的所有传感器信息，一组完整传感器信息包括传感器名字、设备厂商、固件版本号、硬件版本号、传感器类型编号、传感器标识、最大量程、精度、功耗。</p>
</td>
</tr>
<tr id="row1839716854716"><td class="cellrowborder" rowspan="5" valign="top" width="8.260000000000002%" headers="mcps1.2.4.1.1 "><p id="p06071477324"><a name="p06071477324"></a><a name="p06071477324"></a>配置操作</p>
</td>
<td class="cellrowborder" valign="top" width="45.4%" headers="mcps1.2.4.1.2 "><p id="p38874252376"><a name="p38874252376"></a><a name="p38874252376"></a>int32_t <strong id="b199602219271"><a name="b199602219271"></a><a name="b199602219271"></a>Enable</strong>(int32_t sensorId)</p>
</td>
<td class="cellrowborder" valign="top" width="46.339999999999996%" headers="mcps1.2.4.1.3 "><p id="p5922331114916"><a name="p5922331114916"></a><a name="p5922331114916"></a>使能指定传感器设备，只有数据订阅者使能传感器后，才能获取订阅的传感器数据。</p>
</td>
</tr>
<tr id="row6397138134713"><td class="cellrowborder" valign="top" headers="mcps1.2.4.1.1 "><p id="p6923143184914"><a name="p6923143184914"></a><a name="p6923143184914"></a>int32_t <strong id="b84601875330"><a name="b84601875330"></a><a name="b84601875330"></a>Disable</strong>(int32_t sensorId)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.2.4.1.2 "><p id="p139231531184912"><a name="p139231531184912"></a><a name="p139231531184912"></a>去使能指定传感器设备。</p>
</td>
</tr>
<tr id="row43981283476"><td class="cellrowborder" valign="top" headers="mcps1.2.4.1.1 "><p id="p992473112496"><a name="p992473112496"></a><a name="p992473112496"></a>int32_t <strong id="b16691194511438"><a name="b16691194511438"></a><a name="b16691194511438"></a>SetBatch</strong>(iint32_t sensorId, int64_t samplingInterval, int64_t reportInterval)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.2.4.1.2 "><p id="p14924203134910"><a name="p14924203134910"></a><a name="p14924203134910"></a>设置指定传感器的数据采样间隔和数据上报间隔。</p>
</td>
</tr>
<tr id="row439813812472"><td class="cellrowborder" valign="top" headers="mcps1.2.4.1.1 "><p id="p170411511281"><a name="p170411511281"></a><a name="p170411511281"></a>int32_t <strong id="b170414153284"><a name="b170414153284"></a><a name="b170414153284"></a>SetMode</strong>(int32_t sensorId, int32_t mode)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.2.4.1.2 "><p id="p107051159281"><a name="p107051159281"></a><a name="p107051159281"></a>设置指定传感器的工作模式，不同的工作模式，上报数据方式不同。</p>
</td>
</tr>
<tr id="row123998813470"><td class="cellrowborder" valign="top" headers="mcps1.2.4.1.1 "><p id="p492513120494"><a name="p492513120494"></a><a name="p492513120494"></a>int32_t <strong id="b7501191019330"><a name="b7501191019330"></a><a name="b7501191019330"></a>SetOption</strong>(int32_t sensorId, uint32_t option)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.2.4.1.2 "><p id="p5926031124914"><a name="p5926031124914"></a><a name="p5926031124914"></a>设置指定传感器量程，精度等可选配置。</p>
</td>
</tr>
<tr id="row939914814478"><td class="cellrowborder" rowspan="2" valign="top" width="8.260000000000002%" headers="mcps1.2.4.1.1 "><p id="p1039815743211"><a name="p1039815743211"></a><a name="p1039815743211"></a>数据订阅操作</p>
</td>
<td class="cellrowborder" valign="top" width="45.4%" headers="mcps1.2.4.1.2 "><p id="p11530101054411"><a name="p11530101054411"></a><a name="p11530101054411"></a>int32_t <strong id="b0569161217334"><a name="b0569161217334"></a><a name="b0569161217334"></a>Register</strong>(int32_t groupId, RecordDataCallback cb);</p>
</td>
<td class="cellrowborder" valign="top" width="46.339999999999996%" headers="mcps1.2.4.1.3 "><p id="p892633118493"><a name="p892633118493"></a><a name="p892633118493"></a>订阅者根据不同groupId注册传感器数据回调函数，系统会将获取到的传感器数据上报给订阅者。</p>
</td>
</tr>
<tr id="row10716713314"><td class="cellrowborder" valign="top" headers="mcps1.2.4.1.1 "><p id="p196491214133110"><a name="p196491214133110"></a><a name="p196491214133110"></a>int32_t <strong id="b13758151483317"><a name="b13758151483317"></a><a name="b13758151483317"></a>Unregister</strong>(int32_t groupId, RecordDataCallback cb)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.2.4.1.2 "><p id="p5817133119"><a name="p5817133119"></a><a name="p5817133119"></a>订阅者根据groupId和回调函数注销对应订阅者的传感器数据回调函数。</p>
</td>
</tr>
</tbody>
</table>
Sensor驱动模型对驱动开发者开放的功能接口，驱动开发者无需实现，直接使用，参考[表2](#table1156812588320)：
Sensor驱动模型对外开放的API接口能力的具体实现参考[表1](#PinCntlrMethod成员的回调函数功能说明)：
**表 1** PinCntlrMethod成员的回调函数功能说明
| 接口名 | 功能描述 |
| ----- | -------- |
| int32_t GetAllSensors(struct SensorInformation **sensorInfo, int32_t *count) | 获取系统中注册的所有传感器信息，一组完整传感器信息包括传感器名字、设备厂商、固件版本号、硬件版本号、传感器类型编号、传感器标识、最大量程、精度、功耗。 |
| int32_t Enable(int32_t sensorId) | 使能指定传感器设备，只有数据订阅者使能传感器后，才能获取订阅的传感器数据。 |
| int32_t Disable(int32_t sensorId) | 去使能指定传感器设备。 |
| int32_t SetBatch(iint32_t sensorId, int64_t samplingInterval, int64_t reportInterval) | 设置指定传感器的数据采样间隔和数据上报间隔。 |
| int32_t SetMode(int32_t sensorId, int32_t mode) | 设置指定传感器的工作模式，不同的工作模式，上报数据方式不同。 |
| int32_t SetOption(int32_t sensorId, uint32_t option) | 设置指定传感器量程，精度等可选配置。 |
| int32_t Register(int32_t groupId, RecordDataCallback cb) | 订阅者根据不同groupId注册传感器数据回调函数，系统会将获取到的传感器数据上报给订阅者。 |
| int32_t Unregister(int32_t groupId, RecordDataCallback cb) | 订阅者根据groupId和回调函数注销对应订阅者的传感器数据回调函数。 |
Sensor驱动模型对驱动开发者开放的功能接口，驱动开发者无需实现，直接使用，参考[表2](#Sensor驱动模型对驱动开发者开放的功能接口列表)：
**表2** Sensor驱动模型对驱动开发者开放的功能接口列表
<a name="table1156812588320"></a>
<table><thead align="left"><tr id="row756817584327"><th class="cellrowborder" valign="top" width="8.550855085508552%" id="mcps1.2.4.1.1"><p id="p7568125873219"><a name="p7568125873219"></a><a name="p7568125873219"></a>功能分类</p>
</th>
<th class="cellrowborder" valign="top" width="45.53455345534553%" id="mcps1.2.4.1.2"><p id="p1756812582328"><a name="p1756812582328"></a><a name="p1756812582328"></a>接口名</p>
</th>
<th class="cellrowborder" valign="top" width="45.91459145914592%" id="mcps1.2.4.1.3"><p id="p35681558183210"><a name="p35681558183210"></a><a name="p35681558183210"></a>功能描述</p>
</th>
</tr>
</thead>
<tbody><tr id="row756875811329"><td class="cellrowborder" rowspan="3" valign="top" width="8.550855085508552%" headers="mcps1.2.4.1.1 "><p id="p5974193991911"><a name="p5974193991911"></a><a name="p5974193991911"></a>设备管理操作接口</p>
</td>
<td class="cellrowborder" valign="top" width="45.53455345534553%" headers="mcps1.2.4.1.2 "><p id="p18569158173210"><a name="p18569158173210"></a><a name="p18569158173210"></a>int32_t <strong id="b4994112595516"><a name="b4994112595516"></a><a name="b4994112595516"></a>AddSensorDevice</strong>(const struct SensorDeviceInfo *deviceInfo)</p>
</td>
<td class="cellrowborder" valign="top" width="45.91459145914592%" headers="mcps1.2.4.1.3 "><p id="p356935816328"><a name="p356935816328"></a><a name="p356935816328"></a>添加当前类型的传感器设备到传感器设备管理。</p>
</td>
</tr>
<tr id="row195691858113219"><td class="cellrowborder" valign="top" headers="mcps1.2.4.1.1 "><p id="p1156945883215"><a name="p1156945883215"></a><a name="p1156945883215"></a>int32_t <strong id="b1736762975518"><a name="b1736762975518"></a><a name="b1736762975518"></a>DeleteSensorDevice</strong>(const struct SensorBasicInfo *sensorBaseInfo)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.2.4.1.2 "><p id="p2569145833214"><a name="p2569145833214"></a><a name="p2569145833214"></a>删除传感器设备管理里指定的传感器设备。</p>
</td>
</tr>
<tr id="row15699589321"><td class="cellrowborder" valign="top" headers="mcps1.2.4.1.1 "><p id="p6569105811328"><a name="p6569105811328"></a><a name="p6569105811328"></a>int32_t <strong id="b1174510321555"><a name="b1174510321555"></a><a name="b1174510321555"></a>ReportSensorEvent</strong>(const struct SensorReportEvent *events)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.2.4.1.2 "><p id="p15691858193220"><a name="p15691858193220"></a><a name="p15691858193220"></a>上报指定类型传感器的数据到用户侧。</p>
</td>
</tr>
<tr id="row17569145814329"><td class="cellrowborder" rowspan="2" valign="top" width="8.550855085508552%" headers="mcps1.2.4.1.1 "><p id="p10589113932619"><a name="p10589113932619"></a><a name="p10589113932619"></a>Sensor抽象总线</p>
</td>
<td class="cellrowborder" valign="top" width="45.53455345534553%" headers="mcps1.2.4.1.2 "><p id="p145705585322"><a name="p145705585322"></a><a name="p145705585322"></a>int32_t <strong id="b15560203515558"><a name="b15560203515558"></a><a name="b15560203515558"></a>ReadSensor</strong>(struct SensorBusCfg *busCfg, uint16_t regAddr, uint8_t *data, uint16_t dataLen)</p>
</td>
<td class="cellrowborder" valign="top" width="45.91459145914592%" headers="mcps1.2.4.1.3 "><p id="p1657018586322"><a name="p1657018586322"></a><a name="p1657018586322"></a>按照配置的总线方式，读取传感器寄存器配置数据。</p>
</td>
</tr>
<tr id="row28712021112011"><td class="cellrowborder" valign="top" headers="mcps1.2.4.1.1 "><p id="p38722218200"><a name="p38722218200"></a><a name="p38722218200"></a>int32_t <strong id="b573774595514"><a name="b573774595514"></a><a name="b573774595514"></a>WriteSensor</strong>(struct SensorBusCfg *busCfg, uint8_t *writeData, uint16_t len)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.2.4.1.2 "><p id="p6872112112201"><a name="p6872112112201"></a><a name="p6872112112201"></a>按照配置的总线方式，将传感器配置数据写入寄存器。</p>
</td>
</tr>
<tr id="row19401042245"><td class="cellrowborder" valign="top" width="8.550855085508552%" headers="mcps1.2.4.1.1 "><p id="p694020492417"><a name="p694020492417"></a><a name="p694020492417"></a>通用配置操作接口</p>
</td>
<td class="cellrowborder" valign="top" width="45.53455345534553%" headers="mcps1.2.4.1.2 "><p id="p1794064142418"><a name="p1794064142418"></a><a name="p1794064142418"></a>int32_t <strong id="b1740939195611"><a name="b1740939195611"></a><a name="b1740939195611"></a>SetSensorRegCfgArray</strong>(struct SensorBusCfg *busCfg, const struct SensorRegCfgGroupNode *group);</p>
</td>
<td class="cellrowborder" valign="top" width="45.91459145914592%" headers="mcps1.2.4.1.3 "><p id="p49409417249"><a name="p49409417249"></a><a name="p49409417249"></a>根据传感器总线类型信息，下发寄存器分组配置。</p>
</td>
</tr>
<tr id="row1494015418246"><td class="cellrowborder" rowspan="5" valign="top" width="8.550855085508552%" headers="mcps1.2.4.1.1 "><p id="p185291624202618"><a name="p185291624202618"></a><a name="p185291624202618"></a>配置解析操作接口</p>
<p id="p978482418524"><a name="p978482418524"></a><a name="p978482418524"></a></p>
</td>
<td class="cellrowborder" valign="top" width="45.53455345534553%" headers="mcps1.2.4.1.2 "><p id="p994194132410"><a name="p994194132410"></a><a name="p994194132410"></a>int32_t <strong id="b109631149171514"><a name="b109631149171514"></a><a name="b109631149171514"></a>GetSensorBaseConfigData</strong>(const struct DeviceResourceNode *node, struct SensorCfgData *config)</p>
</td>
<td class="cellrowborder" valign="top" width="45.91459145914592%" headers="mcps1.2.4.1.3 "><p id="p79411640248"><a name="p79411640248"></a><a name="p79411640248"></a>根据传感器设备HCS资源配置，获取传感器信息，总线配置信息，属性配置等基本配置信息，并初始化对应的基本配置数据结构体。</p>
</td>
</tr>
<tr id="row1171817565518"><td class="cellrowborder" valign="top" headers="mcps1.2.4.1.1 "><p id="p7718165615113"><a name="p7718165615113"></a><a name="p7718165615113"></a>int32_t <strong id="b14392155271515"><a name="b14392155271515"></a><a name="b14392155271515"></a>ParseSensorRegConfig</strong>(struct SensorCfgData *config)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.2.4.1.2 "><p id="p171885685120"><a name="p171885685120"></a><a name="p171885685120"></a>根据传感器设备HCS资源配置，解析寄存器分组信息，并初始化配置数据结构体。</p>
</td>
</tr>
<tr id="row394144192414"><td class="cellrowborder" valign="top" headers="mcps1.2.4.1.1 "><p id="p99411144241"><a name="p99411144241"></a><a name="p99411144241"></a>void <strong id="b1322165619152"><a name="b1322165619152"></a><a name="b1322165619152"></a>ReleaseSensorAllRegConfig</strong>(struct SensorCfgData *config)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.2.4.1.2 "><p id="p17941154152419"><a name="p17941154152419"></a><a name="p17941154152419"></a>释放传感器配置数据结构体里分配的资源。</p>
</td>
</tr>
<tr id="row10589154102611"><td class="cellrowborder" valign="top" headers="mcps1.2.4.1.1 "><p id="p4557141217521"><a name="p4557141217521"></a><a name="p4557141217521"></a>int32_t <strong id="b1206195914157"><a name="b1206195914157"></a><a name="b1206195914157"></a>GetSensorBusHandle</strong>(struct SensorBusCfg *busCfg)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.2.4.1.2 "><p id="p953821245219"><a name="p953821245219"></a><a name="p953821245219"></a>获取传感器总线句柄信息。</p>
</td>
</tr>
<tr id="row6784142455212"><td class="cellrowborder" valign="top" headers="mcps1.2.4.1.1 "><p id="p478492410522"><a name="p478492410522"></a><a name="p478492410522"></a>int32_t <strong id="b9443344101610"><a name="b9443344101610"></a><a name="b9443344101610"></a>ReleaseSensorBusHandle</strong>(struct SensorBusCfg *busCfg)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.2.4.1.2 "><p id="p1878422485212"><a name="p1878422485212"></a><a name="p1878422485212"></a>释放传感器句柄信息。</p>
</td>
</tr>
</tbody>
</table>
Sensor驱动模型要求驱动开发者实现的接口功能，参考[表3](#table1083014911336)：
| 接口名 | 功能描述 |
| ----- | -------- |
| int32_t AddSensorDevice(const struct SensorDeviceInfo *deviceInfo) | 添加当前类型的传感器设备到传感器设备管理。 |
| int32_t DeleteSensorDevice(const struct SensorBasicInfo *sensorBaseInfo) | 删除传感器设备管理里指定的传感器设备。 |
| int32_t ReportSensorEvent(const struct SensorReportEvent *events) | 上报指定类型传感器的数据到用户侧。 |
| int32_t ReadSensor(struct SensorBusCfg *busCfg, uint16_t regAddr, uint8_t *data, uint16_t dataLen) | 按照配置的总线方式，读取传感器寄存器配置数据。 |
| int32_t WriteSensor(struct SensorBusCfg *busCfg, uint8_t *writeData, uint16_t len) | 按照配置的总线方式，将传感器配置数据写入寄存器。 |
| int32_t SetSensorRegCfgArray(struct SensorBusCfg *busCfg, const struct SensorRegCfgGroupNode *group); | 根据传感器总线类型信息，下发寄存器分组配置。 |
| int32_t GetSensorBaseConfigData(const struct DeviceResourceNode *node, struct SensorCfgData *config) | 根据传感器设备HCS资源配置，获取传感器信息，总线配置信息，属性配置等基本配置信息，并初始化对应的基本配置数据结构体。 |
| int32_t ParseSensorRegConfig(struct SensorCfgData *config) | 根据传感器设备HCS资源配置，解析寄存器分组信息，并初始化配置数据结构体。 |
| void ReleaseSensorAllRegConfig(struct SensorCfgData *config) | 释放传感器配置数据结构体里分配的资源。 |
| int32_t GetSensorBusHandle(struct SensorBusCfg *busCfg) | 获取传感器总线句柄信息。 |
| int32_t ReleaseSensorBusHandle(struct SensorBusCfg *busCfg) | 释放传感器句柄信息。 |
**表 3** Sensor驱动模型要求驱动开发者实现的接口列表
<a name="table1083014911336"></a>
<table><thead align="left"><tr id="row208301997332"><th class="cellrowborder" valign="top" width="8.41084108410841%" id="mcps1.2.4.1.1"><p id="p1777364318152"><a name="p1777364318152"></a><a name="p1777364318152"></a>功能分类</p>
</th>
<th class="cellrowborder" valign="top" width="45.77457745774577%" id="mcps1.2.4.1.2"><p id="p5773174317157"><a name="p5773174317157"></a><a name="p5773174317157"></a>接口名</p>
</th>
<th class="cellrowborder" valign="top" width="45.81458145814582%" id="mcps1.2.4.1.3"><p id="p1777319437155"><a name="p1777319437155"></a><a name="p1777319437155"></a>功能描述</p>
</th>
</tr>
</thead>
<tbody><tr id="row1880425111572"><td class="cellrowborder" rowspan="8" valign="top" width="8.41084108410841%" headers="mcps1.2.4.1.1 "><p id="p598171454520"><a name="p598171454520"></a><a name="p598171454520"></a>基本功能操作</p>
</td>
<td class="cellrowborder" valign="top" width="45.77457745774577%" headers="mcps1.2.4.1.2 "><p id="p880485195711"><a name="p880485195711"></a><a name="p880485195711"></a>int32_t <strong id="b16497123107"><a name="b16497123107"></a><a name="b16497123107"></a>init</strong>(void)</p>
</td>
<td class="cellrowborder" valign="top" width="45.81458145814582%" headers="mcps1.2.4.1.3 "><p id="p1480465165710"><a name="p1480465165710"></a><a name="p1480465165710"></a>传感器设备探测成功后，需要对传感器设备初始化配置。</p>
</td>
</tr>
<tr id="row178311493339"><td class="cellrowborder" valign="top" headers="mcps1.2.4.1.1 "><p id="p208318963320"><a name="p208318963320"></a><a name="p208318963320"></a>int32_t <strong id="b189921571402"><a name="b189921571402"></a><a name="b189921571402"></a>Enable</strong>(void)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.2.4.1.2 "><p id="p68310953312"><a name="p68310953312"></a><a name="p68310953312"></a>根据当前传感器设备的HCS配置，下发传感器设备使能操作组的寄存器配置。</p>
</td>
</tr>
<tr id="row0831129153318"><td class="cellrowborder" valign="top" headers="mcps1.2.4.1.1 "><p id="p0831169183314"><a name="p0831169183314"></a><a name="p0831169183314"></a>int32_t <strong id="b13541291106"><a name="b13541291106"></a><a name="b13541291106"></a>Disable</strong>(void)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.2.4.1.2 "><p id="p138314912336"><a name="p138314912336"></a><a name="p138314912336"></a>根据当前传感器设备的HCS配置，下发传感器设备去使能操作组的寄存器配置。</p>
</td>
</tr>
<tr id="row178311093334"><td class="cellrowborder" valign="top" headers="mcps1.2.4.1.1 "><p id="p583118920338"><a name="p583118920338"></a><a name="p583118920338"></a>int32_t <strong id="b111117118017"><a name="b111117118017"></a><a name="b111117118017"></a>SetBatch</strong>(int64_t samplingInterval, int64_t reportInterval)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.2.4.1.2 "><p id="p08311903315"><a name="p08311903315"></a><a name="p08311903315"></a>根据数据采样率和数据上报间隔，配置当前传感器设备的数据上报线程处理时间。</p>
</td>
</tr>
<tr id="row1356419421422"><td class="cellrowborder" valign="top" headers="mcps1.2.4.1.1 "><p id="p9565174218421"><a name="p9565174218421"></a><a name="p9565174218421"></a>int32_t <strong id="b13702551143412"><a name="b13702551143412"></a><a name="b13702551143412"></a>SetMode</strong>(int32_t mode)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.2.4.1.2 "><p id="p356524224213"><a name="p356524224213"></a><a name="p356524224213"></a>配置当前传感器设备数据上报方式。</p>
</td>
</tr>
<tr id="row12565104264215"><td class="cellrowborder" valign="top" headers="mcps1.2.4.1.1 "><p id="p17565104210429"><a name="p17565104210429"></a><a name="p17565104210429"></a>int32_t <strong id="b96811512011"><a name="b96811512011"></a><a name="b96811512011"></a>SetOption</strong>(uint32_t option)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.2.4.1.2 "><p id="p4565104214213"><a name="p4565104214213"></a><a name="p4565104214213"></a>根据可选配置、下发量程和精度等寄存器配置。</p>
</td>
</tr>
<tr id="row380240111218"><td class="cellrowborder" valign="top" headers="mcps1.2.4.1.1 "><p id="p1181184016120"><a name="p1181184016120"></a><a name="p1181184016120"></a>void <strong id="b1613451717016"><a name="b1613451717016"></a><a name="b1613451717016"></a>ReadSensorData</strong>(void)</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.2.4.1.2 "><p id="p7815401121"><a name="p7815401121"></a><a name="p7815401121"></a>实现传感器的数据读取函数。</p>
</td>
</tr>
</tbody>
</table>
Sensor驱动模型要求驱动开发者实现的接口功能，参考[表3](#Sensor驱动模型要求驱动开发者实现的接口列表)：
**表 3** Sensor驱动模型要求驱动开发者实现的接口列表
| 接口名 | 功能描述 |
| ----- | -------- |
| int32_t init(void) | 传感器设备探测成功后，需要对传感器设备初始化配置。 |
| int32_t Enable(void) | 根据当前传感器设备的HCS配置，下发传感器设备使能操作组的寄存器配置。 |
| int32_t Disable(void) | 根据当前传感器设备的HCS配置，下发传感器设备去使能操作组的寄存器配置。 |
| int32_t SetBatch(int64_t samplingInterval, int64_t reportInterval) | 根据数据采样率和数据上报间隔，配置当前传感器设备的数据上报线程处理时间。 |
| int32_t SetMode(int32_t mode) | 配置当前传感器设备数据上报方式。 |
| int32_t SetOption(uint32_t option) | 根据可选配置、下发量程和精度等寄存器配置。 |
| void ReadSensorData(void) | 实现传感器的数据读取函数。 |
接口实现参考[开发步骤](#section7893102915819)章节。
......
Markdown is supported
0% 或 .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑！
想要评论请 注册 或