{"id":318,"date":"2021-07-18T23:00:50","date_gmt":"2021-07-18T14:00:50","guid":{"rendered":"https:\/\/blog.u7gi.net\/?p=318"},"modified":"2021-08-07T17:10:43","modified_gmt":"2021-08-07T08:10:43","slug":"%e3%83%a9%e3%82%ba%e3%83%91%e3%82%a4%e3%81%8b%e3%82%89ambient%e3%81%abcpu%e8%b2%a0%e8%8d%b7%e3%81%a8%e6%b8%a9%e5%ba%a6%e3%80%81%e6%b9%bf%e5%ba%a6%e3%82%92%e9%80%81%e4%bf%a1%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/u7gi.com\/?p=318","title":{"rendered":"\u30e9\u30ba\u30d1\u30a4\u304b\u3089Ambient\u306bCPU\u8ca0\u8377\u3068\u6e29\u5ea6\u3001\u6e7f\u5ea6\u3092\u9001\u4fe1\u3059\u308b"},"content":{"rendered":"\n

\u30e9\u30b9\u30d1\u30a4\u304b\u3089\u3001Ambient\u306bCPU\u6e29\u5ea6\u3001CPU\u8ca0\u8377\u3001\u5ba4\u6e29\u3001\u6e7f\u5ea6\u306e\u30c7\u30fc\u30bf\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u3066\u53ef\u8996\u5316\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

Ambient\u30b5\u30fc\u30d3\u30b9\u306e\u30c1\u30e3\u30f3\u30cd\u30eb\u4f5c\u6210<\/strong><\/h3>\n\n\n\n

\u4e0b\u8a18\u306e\u30b5\u30a4\u30c8\u3067\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4f5c\u6210\u3057\u3001\u30c7\u30fc\u30bf\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u30c1\u30e3\u30f3\u30cd\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002
https:\/\/ambidata.io\/<\/a>

\u4eca\u56de\u306f\u3001Raspberry Pi \u3068\u3044\u3046\u30c1\u30e3\u30f3\u30cd\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002\u30c1\u30e3\u30f3\u30cd\u30eb\u4e00\u89a7\u306b\u8868\u793a\u3055\u308c\u308b\u3001\u30c1\u30e3\u30f3\u30cd\u30ebID\u3001\u30ea\u30fc\u30c9\u30ad\u30fc\u3001\u30e9\u30a4\u30c8\u30ad\u30fc\u306f\u3001\u30c7\u30fc\u30bf\u306e\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u306b\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\"\"<\/a>
\u30c1\u30e3\u30f3\u30cd\u30eb\u4e00\u89a7<\/figcaption><\/figure><\/div>\n\n\n\n

\u30c1\u30e3\u30f3\u30cd\u30eb\u306e\u8a2d\u5b9a\u306f\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306b\u3057\u307e\u3057\u305f\u3002\u30c7\u30fc\u30bf\u306f8\u500b\u307e\u3067\u9001\u4fe1\u3067\u304d\u3001\u4eca\u56de\u306f\u3001\u30c7\u30fc\u30bf1~4\u307e\u3067\u3092\u4f7f\u7528\u3057\u3066\u3001CPU\u6e29\u5ea6\u3001CPU\u8ca0\u8377\u3001\u5ba4\u6e29\u3001\u6e7f\u5ea6\u3092\u5272\u308a\u5f53\u3066\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\"\"<\/a>
\u30c1\u30e3\u30f3\u30cd\u30eb\u8a2d\u5b9a<\/figcaption><\/figure><\/div>\n\n\n\n

<\/p>\n\n\n\n

\u30e9\u30ba\u30d1\u30a4\u3078\u306e\u6e29\u5ea6\u30bb\u30f3\u30b5\u30fc\u63a5\u7d9a\u30e9\u30ba\u30d1\u30a4\u3078\u306e\u6e29\u5ea6\u30bb\u30f3\u30b5\u30fc\u63a5<\/h3>\n\n\n\n

\u30e9\u30ba\u30d1\u30a4\u3067\u3001\u5ba4\u6e29\u3001\u6e7f\u5ea6\u3092\u8a08\u6e2c\u3059\u308b\u305f\u3081\u306e\u6e29\u6e7f\u5ea6\u30bb\u30f3\u30b5\u30fc\u3092\u63a5\u7d9a\u3057\u307e\u3059\u3002\u4eca\u56de\u306f\u3001DHT22\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002
\u4f7f\u7528\u3059\u308b\u30e9\u30ba\u30d1\u30a4\u306f\u3001Raspberry Pi 3B+\u3067\u3001 \u30e9\u30ba\u30d1\u30a4\u3068DHT22\u3092\u53f3\u306e\u3088\u3046\u306b\u63a5\u7d9a\u3057\u307e\u3057\u305f\u3002Raspberry Pi 4B\u3067\u3082\u540c\u69d8\u306e\u63a5\u7d9a\u306b\u306a\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002
\u4f7f\u7528\u3059\u308bDHT22\u306f\u3001\u62b5\u6297\u542b\u3081\u3066\u30e2\u30b8\u30e5\u30fc\u30eb\u5316\u3055\u308c\u305f3PIN\u63a5\u7d9a\u306e\u3082\u306e\u3067\u3059\u3002\u4f7f\u7528\u3059\u308b\u30bb\u30f3\u30b5\u30fc\u306b\u3088\u3063\u3066\u306f\u62b5\u6297\u306e\u8ffd\u52a0\u306a\u3069\u304c\u5fc5\u8981\u306b\u306a\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\"\"<\/a>
DHT22\u63a5\u7d9a<\/figcaption><\/figure><\/div>\n\n\n\n
PIN<\/strong><\/td>GPIO<\/strong><\/td>DHT22<\/strong><\/td><\/tr>
2<\/td>5V Power<\/td>+ \uff08\u30d7\u30e9\u30b9\uff09<\/td><\/tr>
35<\/td>Ground<\/td>– (\u30de\u30a4\u30ca\u30b9)<\/td><\/tr>
36<\/td>GPIO<\/td>OUT<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

<\/p>\n\n\n\n

GPIO\u30a2\u30af\u30bb\u30b9\u306e\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u8a2d\u5b9a<\/h3>\n\n\n\n

DHT22\u3092\u4f7f\u7528\u3059\u308b\u306b\u306f\u3001GPIO\u306e\u5236\u5fa1\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u4e0b\u8a18\u306e\u30b5\u30a4\u30c8\u3092\u53c2\u8003\u306b\u3001GPIO\u5236\u5fa1\u306e\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u3092\u8a2d\u5b9a\u3057\u307e\u3057\u305f\u3002
https:\/\/askubuntu.com\/questions\/1247005\/controlling-gpio-on-ubuntu-20-04-64-bit-arm-raspberry-pi<\/a>

\u4eca\u56de\u4f7f\u7528\u3059\u308b\u74b0\u5883\u306eOS\u306f\u3001Ubuntu 20.04 \u3067\u3059\u3002Raspbian \u7b49\u306eOS\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001 \u8a2d\u5b9a\u304c\u7570\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u306e\u3067\u53c2\u8003\u7a0b\u5ea6\u306b\u3054\u89a7\u304f\u3060\u3055\u3044\u3002
lsb_release\u30b3\u30de\u30f3\u30c9\u306e\u51fa\u529b\u7d50\u679c\u306f\u4e0b\u8a18\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n

\n$ lsb_release -d\nDescription:    Ubuntu 20.04.2 LTS\n<\/pre><\/div>\n\n\n
rpi.gpio-common \u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n\n\n
\n$ sudo apt install rpi.gpio-common\n<\/pre><\/div>\n\n\n
\u30c7\u30d0\u30a4\u30b9\u63a5\u7d9a\u6642\u306e\u30eb\u30fc\u30eb\u4f5c\u6210\u3002vi\u3067\u3001\/etc\/udev\/rules.d\/60-rpi.gpio-common.rules \u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n
\n$ sudo vi \/etc\/udev\/rules.d\/60-rpi.gpio-common.rules\n<\/pre><\/div>\n\n\n
\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u306f\u4e0b\u8a18\u306e\u901a\u308a\u3002<\/p>\n\n\n
\nSUBSYSTEM=="bcm2835-gpiomem", KERNEL=="gpiomem", GROUP="dialout", MODE="0660"\nSUBSYSTEM=="gpio", KERNEL=="gpiochip*", ACTION=="add", PROGRAM="\/bin\/sh -c 'chown root:dialout \/sys\/class\/gpio\/export \/sys\/class\/gpio\/unexport ; chmod 220 \/sys\/class\/gpio\/export \/sys\/class\/gpio\/unexport'"\nSUBSYSTEM=="gpio", KERNEL=="gpio*", ACTION=="add", PROGRAM="\/bin\/sh -c 'chown root:dialout \/sys%p\/active_low \/sys%p\/direction \/sys%p\/edge \/sys%p\/value ; chmod 660 \/sys%p\/active_low \/sys%p\/direction \/sys%p\/edge \/sys%p\/value'"\n<\/pre><\/div>\n\n\n
\u30e6\u30fc\u30b6\u30fc\u3092dialout\u30b0\u30eb\u30fc\u30d7\u306b\u8ffd\u52a0\u3057\u3066\u518d\u8d77\u52d5\u3057\u307e\u3059\u3002<\/p>\n\n\n
\n$ sudo adduser $USER dialout\n$ sudo reboot\n<\/pre><\/div>\n\n\n
<\/p>\n\n\n\n
\u30c7\u30fc\u30bf\u9001\u4fe1\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u4f5c\u6210<\/strong><\/h3>\n\n\n\n
\u6b21\u306b\u3001Ambient\u3078\u306e\u30c7\u30fc\u30bf\u9001\u4fe1\u7528\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002
\u30e9\u30ba\u30d1\u30a4\u306eCPU\u6e29\u5ea6\u53d6\u5f97\u306b\u3001vcgencmd \u3092\u4f7f\u7528\u3059\u308b\u306e\u3067\u3001\u4e0b\u8a18\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n
\n$ sudo apt-get install libraspberrypi-bin\n<\/pre><\/div>\n\n\n
<\/p>\n\n\n
\n$ sudo -H pip3 install psutil\n$ sudo -H pip3 install Adafruit_DHT\n$ sudo -H pip3 install git+https:\/\/github.com\/AmbientDataInc\/ambient-python-lib.git\n<\/pre><\/div>\n\n\n
\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u3001\u3069\u3053\u306b\u4f5c\u6210\u3057\u3066\u3082\u3088\u3044\u306e\u3067\u3059\u304c\u3001\u4eca\u56de\u306f\u3001$HOME\/bin\/bin\/ambi_pi_temp.py \u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u540d\u3067\u4fdd\u5b58\u3057\u3066\u3044\u307e\u3059\u3002
\u30c1\u30e3\u30f3\u30cd\u30ebID\u3001\u30ea\u30fc\u30c9\u30ad\u30fc\u3001\u30e9\u30a4\u30c8\u30ad\u30fc\u306f\u3001\u3054\u81ea\u8eab\u306e\u74b0\u5883\u306b\u5408\u308f\u305b\u3066\u4fee\u6b63\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n
\n#!\/usr\/bin\/python3\n\nimport datetime\nimport psutil\nimport subprocess\nimport time\n\nimport ambient\nimport Adafruit_DHT as DHT\n\nAmbiChannelID=<\u30c1\u30e3\u30f3\u30cd\u30ebID>\nAmbientReadKey="<\u30ea\u30fc\u30c9\u30ad\u30fc>"\nAmbiWriteKey="<\u30e9\u30a4\u30c8\u30ad\u30fc>"\n\t\t\t\n# read data using pin 16\npin=16\n\ndef is_float(s):\n  try:\n    float(s)\n  except ValueError:\n    return False\n  else:\n    return True\n              \ndef res_cmd(cmd):\n  return subprocess.Popen(cmd, stdout=subprocess.PIPE, shell=True).communicate()[0]\n\ndef get_raspi_temp():\n  cmd = ("vcgencmd measure_temp | sed -e 's\/temp=\/\/g' -e \\"s\/'C\/\/g\\" | tr -d '\\n'")\n  return res_cmd(cmd).decode('utf-8')\n\ndef get_room_temp():\n  for num in range(30):\n    humidity, temperature = DHT.read(DHT.DHT22, pin)\n    if is_float(temperature) and (-40.0 < temperature < 80.0) and is_float(temperature) and (0.0 < humidity < 100.0):\n      break\n    time.sleep(0.5)\n  return humidity, temperature\n    \nif __name__ == '__main__':\n  ambi = ambient.Ambient(AmbiChannelID, AmbiWriteKey)\n  pi_temp = get_raspi_temp()\n  pi_load = psutil.cpu_percent(interval=1, percpu=False)\n  humidity, temperature = get_room_temp()\n  dt_now = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')\n  print("[%s] Raspi temp:%5s'C CPU: %5s%%"  % (dt_now, pi_temp, pi_load))\n  print("[%s] Room  temp: %3.1f'C humidity: %3.1f%%" % (dt_now, temperature, humidity))\n  r = ambi.send({"d1":pi_temp, "d2":pi_load,\n                "d3":temperature, "d4":humidity})\n<\/pre><\/div>\n\n\n
\u30b9\u30af\u30ea\u30d7\u30c8\u306b\u6a29\u9650\u3092\u4ed8\u4e0e\u3057\u307e\u3059\u3002<\/p>\n\n\n
\n$ chmod 777 ~\/bin\/ambi_pi_temp.py\n<\/pre><\/div>\n\n\n
\u5358\u4f53\u3067\u30b9\u30af\u30ea\u30d7\u30c8\u5b9f\u884c\u3057\u3066\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u306a\u3051\u308c\u3070\u3001\u30c7\u30fc\u30bf\u304c\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3067\u304d\u3066\u3044\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n
\n$ .\/ambi_pi_temp.py\n[2021-07-18 11:34:45] Raspi temp: 39.2'C CPU:   0.0%\n[2021-07-18 11:34:45] Room  temp: 30.0'C humidity: 52.2\n<\/pre><\/div>\n\n\n

cron\u30675\u5206\u5468\u671f\u3067\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n
\n$ crontab -e\n<\/pre><\/div>\n\n\n
\u30a8\u30c7\u30a3\u30bf\u304c\u8d77\u52d5\u3057\u305f\u3089\u3001\u4e0b\u8a18\u306e\u4e00\u884c\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u3053\u308c\u3067\u30015\u5206\u5468\u671f\u3067\u30b3\u30de\u30f3\u30c9\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n
\n*\/5    *       *       *       *       ~\/bin\/ambi_pi_temp.py > \/dev\/null 2>&amp;1\n<\/pre><\/div>\n\n\n
Ambient\u306e\u30b5\u30a4\u30c8\u3067\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u306e\u5185\u5bb9\u3092\u78ba\u8a8d<\/h4>\n\n\n\n
Ambient\u306e\u30b5\u30a4\u30c8\u306b\u623b\u308a\u3001\u30c1\u30e3\u30f3\u30cd\u30eb\u4e00\u89a7\u304b\u3089\u4eca\u56de\u4f5c\u6210\u3057\u305f\u30c1\u30e3\u30f3\u30cd\u30eb\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002
\u4eca\u56de\u306f\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306a\u30c1\u30e3\u30f3\u30cd\u30eb\u8a2d\u5b9a\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\"\"<\/a><\/figure><\/div>\n\n\n\n
\u8a2d\u5b9a\u753b\u9762\u3092\u9589\u3058\u308b\u3068\u30b0\u30e9\u30d5\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
\"\"<\/a><\/figure><\/div>\n\n\n\n
\u3053\u308c\u3067\u30e9\u30ba\u30d1\u30a4\u304b\u3089\u306e\u6e29\u5ea6\u30c7\u30fc\u30bf\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u306f\u7d42\u4e86\u3067\u3059\u3002\u6b21\u56de\u306f\u3001MQTT\u30b3\u30de\u30f3\u30c9\u3067\u30c7\u30fc\u30bf\u9001\u4fe1\u304c\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u305f\u3044\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002
<\/p>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
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