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STHS34PF80

简介

本软件包是为 ST公司 STHS34PF80 传感器提供的通用传感器驱动包。通过使用此软件包,开发者可以快速的利用 RT-Thread 将此传感器驱动起来。

本篇文档主要内容如下:

  • 传感器介绍
  • 支持情况
  • 使用说明

传感器介绍

STHS34PF80 是 ST 推出的小封装的红外传感器,用于存在检测,运动检测以及温度检测,带有3个中断源

支持情况

包含设备 运动检测 存在检测 温度冲击检测
通讯接口
IIC
SPI
工作模式
轮询
中断
FIFO
电源模式
掉电
低功耗
普通
数据输出速率
测量范围
自检
多实例

使用说明

依赖

  • RT-Thread 4.1.0+
  • Sensor 组件
  • IIC 驱动:STHS34PF80 设备使用 IIC 进行数据通讯,需要系统 IIC 驱动框架支持;
  • PIN 驱动:用于处理设备中断引脚;

获取软件包

使用 STHS34PF80 软件包需要在 RT-Thread 的包管理中选中它,具体路径如下:

RT-Thread online packages --->
    peripheral libraries and drivers --->
        sensors drivers --->
            [*] STHS34PF80: STHS34PF80 sensor driver package --->
                    Version (latest)  --->

Version:软件包版本选择

使用软件包

STHS34PF80 软件包初始化函数如下所示:

int rt_hw_sths34pf80_init(const char *name, struct rt_sensor_config *cfg);

该函数需要由用户调用,函数主要完成的功能有,

  • 设备配置和初始化(根据传入的配置信息,配置接口设备和中断引脚);
  • 注册相应的传感器设备,完成 STHS34PF80 设备的注册;

初始化示例

#include "sensor_st_sths34pf80.h"

int sths34pf80_port(void)
{
    uint8_t STHS34PF80_ADDR_DEFAULT = 0x5A;
    struct rt_sensor_config cfg;

    cfg.intf.dev_name = "i2c1";
    cfg.intf.user_data = (void *)STHS34PF80_ADDR_DEFAULT;
    cfg.irq_pin.pin = RT_PIN_NONE;
    cfg.irq_pin.mode = PIN_MODE_INPUT;

    rt_hw_sths34pf80_init("sths34pf80", &cfg);
    return 0;
}
INIT_APP_EXPORT(sths34pf80_port);

注意事项

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