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da270

简介

本软件包是为加速度传感器da270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

da270 是明皜传感科技有限公司(MiraMEMS)专为可穿戴设备和IOT市场开发的一款超低功耗加速度传感器,尺寸小巧。它的功耗只需要 13μA,数据输出速率 1-1000HZ 可调。

支持情况

包含设备 加速度计
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
高功耗
数据输出速率
测量范围
自检
多实例

使用说明

依赖

  • RT-Thread 4.0.0+
  • Sensor 组件
  • IIC 驱动:da270 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 da270 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 --->
            [*] DA270: DA270 sensor driver package, support: accelerometer.
                [*]   Enable DA270 acce
                    Version (latest)  --->

Enable da270 acce: 配置开启加速度计功能

Version:软件包版本选择

使用软件包

da270 软件包初始化函数如下所示:

int rt_hw_da270_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da270设备的注册;

初始化示例

#include "sensor_mira_da270.h"

int da270_port(void)
{
    struct rt_sensor_config cfg;
    
    cfg.intf.dev_name = "i2c1";
    cfg.intf.user_data = (void *)DA270_ADDR_DEFAULT;
    cfg.irq_pin.pin = RT_PIN_NONE;

    rt_hw_da270_init("da270", &cfg);
    return 0;
}
INIT_APP_EXPORT(da270_port);

注意事项

暂无

联系人信息

维护人:

da270-rt-thread's People

Contributors

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Stargazers

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Watchers

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