温湿度传感器

功能介绍

每10秒获取一次温湿度状态，并上报云端

应用介绍

• 代码库 git@gitlab.alibaba-inc.com:Gravity/gravity_lite.git 代码路径： gravity_lite/devices/dht11

• linkdevelop平台 登录账号：电子书测试账号002 项目名字：dht11 产品名称：温湿度传感器 URL： https://linkdevelop.aliyun.com/p/a124XKk9O6qua0XK/device/productaccess/#/productaccess/productdetail?productKey=a1cXajyhMQ8&key=definition

• 模组IO配置 DATA的连接在GPIO 19管脚上

{
  "GPIO": [
    {
      "id": "dht11",
      "port": 19,
      "dir": 3,
      "pull": 1
    }
  ]
}

接线示意图：

云端控制

• 查看当前温湿度

内存占用情况

• JS符号表

# meminfo 
 [3137.460]<W> main [handle_meminfo_cmd#227] : call handle_meminfo_cmd ...
 [3137.460]<W> BoneEngine [handle_meminfo_cmd#228] : memory usage= 474 max=540

#

• 系统内存

# dumpsys mm_info
......
------------------------- memory allocation statistic ------------------------------ 
     free     |     used     |     maxused
      119800  |      121544  |      128160

-----------------number of alloc times:-----------------
[2^06] bytes: 63121   |[2^07] bytes:  8064   |[2^08] bytes:  2617   |[2^09] bytes:  2903   |
[2^10] bytes:   306   |[2^11] bytes: 51079   |[2^12] bytes:     8   |[2^13] bytes:     5   |
[2^14] bytes:     5   |[2^15] bytes:     0   |[2^16] bytes:     0   |[2^17] bytes:     0   |
[2^18] bytes:     0   |[2^19] bytes:     0   |[2^20] bytes:     0   |[2^21] bytes:     0   |
-----------------fix pool information:-----------------
     free     |     used     |     total
        4800  |        3392  |        8192

# 

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